10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2016, or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission file number: 1-3754

ALLY FINANCIAL INC.

(Exact name of registrant as specified in its charter)

Delaware	38-0572512
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

200 Renaissance Center

P.O. Box 200, Detroit, Michigan

48265-2000

(Address of principal executive offices)

(Zip Code)

(866) 710-4623

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes þ                    No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for a shorter period that the registrant was required to submit and post such files).

Yes þ                    No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer þ	Accelerated filer o	Non-accelerated filer o	Smaller reporting company o
	(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ¨                    No þ

At May 4, 2016, the number of shares outstanding of the Registrant’s common stock was 483,745,676 shares.

INDEX

Ally Financial Inc. Ÿ Form 10-Q

		Page
Part I — Financial Information
Item 1.	Financial Statements	3
	Condensed Consolidated Statement of Comprehensive Income (unaudited) for the Three Months Ended March 31, 2016 and 2015	3
	Condensed Consolidated Balance Sheet (unaudited) at March 31, 2016 and December 31, 2015	5
	Condensed Consolidated Statement of Changes in Equity (unaudited) for the Three Months Ended March 31, 2016 and 2015	7
	Condensed Consolidated Statement of Cash Flows (unaudited) for the Three Months Ended March 31, 2016 and 2015	8
	Notes to Condensed Consolidated Financial Statements (unaudited)	10
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	57
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	93
Item 4.	Controls and Procedures	94
Part II — Other Information		95
Item 1.	Legal Proceedings	95
Item 1A.	Risk Factors	95
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	95
Item 3.	Defaults Upon Senior Securities	95
Item 4.	Mine Safety Disclosures	95
Item 5.	Other Information	95
Item 6.	Exhibits	95
Signatures		96
Index of Exhibits		97

Table of Contents PART I — FINANCIAL INFORMATION

Item 1. Financial Statements

Condensed Consolidated Statement of Comprehensive Income (unaudited)

Ally Financial Inc. • Form 10-Q

	Three months ended March 31,
($ in millions)	2016			2015
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	1,235		$	1,074
Interest on loans held-for-sale	—			24
Interest and dividends on investment securities	102			88
Interest on cash and cash equivalents	3			2
Operating leases	769			896
Total financing revenue and other interest income	2,109			2,084
Interest expense
Interest on deposits	193			172
Interest on short-term borrowings	13			11
Interest on long-term debt	442			429
Total interest expense	648			612
Depreciation expense on operating lease assets	510			622
Net financing revenue	951			850
Other revenue
Servicing fees	13			10
Insurance premiums and service revenue earned	230			233
Gain on mortgage and automotive loans, net	1			46
Loss on extinguishment of debt	(4		)	(198		)
Other gain on investments, net	54			55
Other income, net of losses	82			97
Total other revenue	376			243
Total net revenue	1,327			1,093
Provision for loan losses	220			116
Noninterest expense
Compensation and benefits expense	252			255
Insurance losses and loss adjustment expenses	73			56
Other operating expenses	385			384
Total noninterest expense	710			695
Income from continuing operations before income tax expense	397			282
Income tax expense from continuing operations	150			103
Net income from continuing operations	247			179
Income from discontinued operations, net of tax	3			397
Net income	250			576
Other comprehensive income, net of tax	146			31
Comprehensive income	$	396		$	607

Statement continues on the next page.

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

3

Condensed Consolidated Statement of Comprehensive Income (unaudited)

Ally Financial Inc. • Form 10-Q

	Three months ended March 31,
(in dollars) (a)	2016		2015
Basic earnings per common share
Net income from continuing operations	$	0.48	$	0.23
Income from discontinued operations, net of tax	0.01		0.82
Net income	$	0.49	$	1.06
Diluted earnings per common share
Net income from continuing operations	$	0.48	$	0.23
Income from discontinued operations, net of tax	0.01		0.82
Net income	$	0.49	$	1.06

(a) Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

Refer to Note 17 for additional earnings per share information. The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

4

Condensed Consolidated Balance Sheet (unaudited)

Ally Financial Inc. • Form 10-Q

($ in millions, except share data)	March 31, 2016			December 31, 2015
Assets
Cash and cash equivalents
Noninterest-bearing	$	1,906		$	2,148
Interest-bearing	3,095			4,232
Total cash and cash equivalents	5,001			6,380
Available-for-sale securities (refer to Note 5 for discussion of investment securities pledged as collateral)	18,180			17,157
Held-to-maturity securities	118			—
Loans held-for-sale, net	39			105
Finance receivables and loans, net
Finance receivables and loans, net of unearned income	110,876			111,600
Allowance for loan losses	(1,077		)	(1,054		)
Total finance receivables and loans, net	109,799			110,546
Investment in operating leases, net	14,958			16,271
Premiums receivable and other insurance assets	1,828			1,801
Other assets	6,582			6,321
Total assets	$	156,505		$	158,581
Liabilities
Deposit liabilities
Noninterest-bearing	$	92		$	89
Interest-bearing	70,173			66,389
Total deposit liabilities	70,265			66,478
Short-term borrowings	5,365			8,101
Long-term debt	62,044			66,234
Interest payable	374			350
Unearned insurance premiums and service revenue	2,449			2,434
Accrued expenses and other liabilities	2,185			1,545
Total liabilities	142,682			145,142
Contingencies (refer to Note 25)
Equity
Common stock and paid-in capital ($0.01 par value, shares authorized 1,100,000,000; issued 485,130,865 and 482,790,696; and outstanding 483,475,209 and 481,980,111)	21,117			21,100
Preferred stock	696			696
Accumulated deficit	(7,875		)	(8,110		)
Accumulated other comprehensive loss	(85		)	(231		)
Treasury stock, at cost (1,655,656and 810,585 shares)	(30		)	(16		)
Total equity	13,823			13,439
Total liabilities and equity	$	156,505		$	158,581

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

5

Condensed Consolidated Balance Sheet (unaudited)

Ally Financial Inc. • Form 10-Q

The assets of consolidated variable interest entities, presented based upon the legal transfer of the underlying assets in order to reflect legal ownership, that can be used only to settle obligations of the consolidated variable interest entities and the liabilities of these entities for which creditors (or beneficial interest holders) do not have recourse to our general credit were as follows.

($ in millions)	March 31, 2016			December 31, 2015
Assets
Finance receivables and loans, net
Finance receivables and loans, net of unearned income	$	27,626		$	27,929
Allowance for loan losses	(210		)	(196		)
Total finance receivables and loans, net	27,416			27,733
Investment in operating leases, net	4,060			4,791
Other assets	1,563			1,624
Total assets	$	33,039		$	34,148
Liabilities
Long-term debt	$	18,868		$	20,267
Accrued expenses and other liabilities	21			22
Total liabilities	$	18,889		$	20,289

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

6

Condensed Consolidated Statement of Changes in Equity (unaudited)

Ally Financial Inc. • Form 10-Q

($ in millions)	Common stock and paid-in capital		Preferred stock		Accumulated deficit			Accumulated other comprehensive (loss) income			Treasury stock			Total equity
Balance at January 1, 2015	$	21,038	$	1,255	$	(6,828	)	$	(66	)	$	—		$	15,399
Net income					576									576
Preferred stock dividends					(67		)							(67		)
Share-based compensation	10													10
Other comprehensive income								31						31
Share repurchases related to employee stock-based compensation awards											(15		)	(15		)
Balance at March 31, 2015	$	21,048	$	1,255	$	(6,319	)	$	(35	)	$	(15	)	$	15,934
Balance at January 1, 2016	$	21,100	$	696	$	(8,110	)	$	(231	)	$	(16	)	$	13,439
Net income					250									250
Preferred stock dividends					(15		)							(15		)
Share-based compensation	17													17
Other comprehensive income								146						146
Share repurchases related to employee stock-based compensation awards											(14		)	(14		)
Balance at March 31, 2016	$	21,117	$	696	$	(7,875	)	$	(85	)	$	(30	)	$	13,823

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

7

Condensed Consolidated Statement of Cash Flows (unaudited)

Ally Financial Inc. • Form 10-Q

Three months ended March 31, ($ in millions)	2016			2015
Operating activities
Net income	$	250		$	576
Reconciliation of net income to net cash provided by operating activities
Depreciation and amortization	653			759
Provision for loan losses	220			116
Gain on mortgage and automotive loans, net	(1		)	(46		)
Other gain on investments, net	(54		)	(55		)
Loss on extinguishment of debt	4			198
Originations and purchases of loans held-for-sale	(44		)	(1,241		)
Proceeds from sales and repayments of loans originated as held-for-sale	104			125
Gain on sale of subsidiaries, net	—			(452		)
Net change in
Deferred income taxes	147			165
Interest payable	24			(37		)
Other assets	46			396
Other liabilities	(122		)	(92		)
Other, net	(39		)	(165		)
Net cash provided by operating activities	1,188			247
Investing activities
Net change in federal funds sold and securities purchased under resale agreements	—			(50		)
Purchases of available-for-sale securities	(4,870		)	(4,023		)
Proceeds from sales of available-for-sale securities	4,175			1,523
Proceeds from maturities and repayment of available-for-sale securities	409			914
Purchases of held-to-maturity securities	(118		)	—
Net increase in finance receivables and loans	(2,086		)	(45		)
Proceeds from sales of finance receivables and loans originated as held-for-investment	2,594			1,577
Purchases of operating lease assets	(701		)	(1,447		)
Disposals of operating lease assets	1,535			1,337
Proceeds from sale of business unit, net (a)	—			1,049
Net change in restricted cash	48			(121		)
Net change in nonmarketable equity investments	(315		)	58
Other, net	(20		)	33
Net cash provided by investing activities	651			805

Statement continues on the next page.

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

8

Condensed Consolidated Statement of Cash Flows (unaudited)

Ally Financial Inc. • Form 10-Q

Three months ended March 31, ($ in millions)	2016			2015
Financing activities
Net change in short-term borrowings	(2,739		)	(618		)
Net increase in deposits	3,780			2,647
Proceeds from issuance of long-term debt	4,244			8,825
Repayments of long-term debt	(8,490		)	(9,778		)
Dividends paid on preferred stock	(15		)	(67		)
Net cash (used in) provided by financing activities	(3,220		)	1,009
Effect of exchange-rate changes on cash and cash equivalents	2			(1		)
Net (decrease) increase in cash and cash equivalents	(1,379		)	2,060
Cash and cash equivalents at beginning of year	6,380			5,576
Cash and cash equivalents at March 31,	$	5,001		$	7,636
Supplemental disclosures
Cash paid for
Interest	$	626		$	641
Income taxes	—			95
Noncash items
Finance receivables and loans transferred to loans held-for-sale	2,599			69
Other disclosures
Proceeds from sales and repayments of mortgage loans held-for-investment originally designated as held-for-sale	9			43

(a) Cash flows of discontinued operations are reflected within operating, investing, and financing activities in the Condensed Consolidated Statement of Cash Flows.

The Notes to the Condensed Consolidated Financial Statements (unaudited) are an integral part of these statements.

9

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

1.    Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies

Ally Financial Inc. (referred to herein as Ally, Parent, we, our, or us) is a leading, independent, diversified financial services firm. Founded in 1919, we are a leading financial services company with over 95 years of experience providing a broad array of financial products and services. We operate as a financial holding company (FHC) and a bank holding company (BHC).Our banking subsidiary, Ally Bank, is an indirect, wholly-owned subsidiary of Ally Financial Inc. and a leading franchise in the growing direct (internet, telephone, mobile, and mail) banking market.

Our accounting and reporting policies conform to accounting principles generally accepted in the United States of America (GAAP). Additionally, where applicable, the policies conform to the accounting and reporting guidelines prescribed by bank regulatory authorities. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and that affect income and expenses during the reporting period and related disclosures. In developing the estimates and assumptions, management uses all available evidence; however, actual results could differ because of uncertainties associated with estimating the amounts, timing, and likelihood of possible outcomes.

The Condensed Consolidated Financial Statements at March 31, 2016, and for the three months endedMarch 31, 2016, and 2015, are unaudited but reflect all adjustments that are, in management’s opinion, necessary for the fair presentation of the results for the interim periods presented. All such adjustments are of a normal recurring nature. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements (and the related Notes) included in our Annual Report on Form 10-K for the year ended December 31, 2015, as filed on February 24, 2016, with the U.S. Securities and Exchange Commission (SEC), as amended by the Current Report on Form 8-K filed with the SEC on May 5, 2016.

Change in Reportable Segments

As a result of a change in how management views and operates our business, during the first quarter of 2016, we made changes in the composition of our operating segments. Financial information related to our Corporate Finance business is now presented as a separate reportable segment. Previously, all such activity was included in Corporate and Other. Additionally, only the activity of our ongoing bulk acquisitions of mortgage loans and other originations and refinancing is now presented in Mortgage Finance operations. The activity related to the management of our legacy mortgage portfolio is now included in Corporate and Other. Our other operating segments, Automotive Finance operations and Insurance operations, remained unchanged. Amounts for 2015 have been adjusted to conform to the current management view.In connection with the change in operating segments, we have defined additional classes of finance receivables and loans: Mortgage Finance and Mortgage — Legacy. Mortgage Finance includes consumer mortgage loans from our ongoing mortgage operations and Mortgage — Legacy includes consumer mortgage loans originated prior to 2009.

Significant Accounting Policies

Income Taxes

In calculating the provision for interim income taxes, in accordance with Accounting Standards Codification (ASC) 740, Income Taxes, we apply an estimated annual effective tax rate to year-to-date ordinary income. At the end of each interim period, we estimate the effective tax rate expected to be applicable for the full fiscal year. This method differs from that described in Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K, which describes our annual significant income tax accounting policy and related methodology.

Investments

Our portfolio of investments includes various debt and marketable equity securities and nonmarketable equity investments. Debt and marketable equity securities are classified based on management’s intent to sell or hold the security. We classify debt securities as held-to-maturity only when we have both the intent and ability to hold the securities to maturity. We classify debt and marketable equity securities as trading when the securities are acquired for the purpose of selling or holding them for a short period of time. Securities not classified as either held-to-maturity or trading are classified as available-for-sale.

Our debt and marketable equity securities include government securities, corporate bonds, asset-backed securities (ABS), mortgage-backed securities (MBS), equity securities and other investments. Our portfolio includes securities classified as available-for-sale and held-to-maturity. Our available-for-sale securities are carried at fair value with unrealized gains and losses included in accumulated other comprehensive income or loss and are subject to impairment. Our held-to-maturity securities are carried at amortized cost and are subject to impairment.

We amortize premiums and discounts on debt securities as an adjustment to investment yield generally over the stated maturity of the security. For ABS and MBS where prepayments can be reasonably estimated, amortization is adjusted for expected prepayments.

Additionally, we assess our debt and marketable equity securities for potential other-than-temporary impairment. We employ a methodology that considers available evidence in evaluating potential other-than-temporary impairment of our debt and marketable equity securities classified as available-for-sale and held-to-maturity. If the cost of an investment exceeds its fair value, we evaluate, among other factors, the magnitude and duration of the decline in fair value. We also evaluate the financial health of and business outlook for the issuer, the

10

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

performance of the underlying assets for interests in securitized assets, and, for securities classified as available-for-sale, our intent and ability to hold the investment through recovery of its amortized cost basis.

Once a decline in fair value of a debt security is determined to be other-than-temporary, an impairment charge for the credit component is recorded to other gain (loss) on investments, net, in our Consolidated Statement of Income, and a new cost basis in the investment is established. Noncredit component losses of a debt security are recorded in other comprehensive income (loss) when we do not intend to sell the security and it is not more likely than not that we will have to sell the security prior to the security's anticipated recovery. Unrealized losses that we have determined to be other-than-temporary on equity securities are recorded to other gain (loss) on investments, net in our Consolidated Statement of Income. Subsequent increases and decreases to the fair value of available-for-sale debt and equity securities are included in other comprehensive income (loss), so long as they are not attributable to another other-than-temporary impairment.

Realized gains and losses on investment securities are reported in other gain (loss) on investments, net, and are determined using the specific identification method. For information on our debt and marketable equity securities, refer to Note 5.

In addition to our investments in debt and marketable equity securities, we hold equity positions in other entities. These positions include Federal Home Loan Bank (FHLB) and Federal Reserve Bank (FRB) stock held to meet regulatory requirements, other equity investments that are not publicly traded and do not have a readily determinable fair value, equity investments in low income housing tax credits, and Community Reinvestment Act (CRA) equity investments. Our investments in FHLB and FRB stock and other equity investments are accounted for using the cost method of accounting. Our low income housing tax credit investments are accounted for using the proportionate amortization method of accounting for qualified affordable housing investments. Our CRA investments are accounted for using the equity method of accounting. Our FHLB and FRB stock and other equity investments carried at cost are included in nonmarketable equity investments in other assets. Our investments in low income housing tax credits and CRA are also included in other assets. As conditions warrant, we review our investments carried at cost for impairment and will adjust the carrying value of the investment if it is deemed to be impaired. No impairment was recognized in 2016 or 2015. For more information on our nonmarketable equity investments, refer to Note 21.

Refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K regarding additional significant accounting policies.

Recently Adopted Accounting Standards

Consolidation — Amendments to the Consolidation Analysis (ASU 2015-02)

As of January 1, 2016, we adopted ASU 2015-02. The amendments in this update modify the requirements of consolidation with respect to entities that are or are similar in nature to limited partnerships or are variable interest entities (VIEs). For entities that are or are similar to limited partnerships, the guidance clarifies the evaluation of kick-out rights, removes the presumption that the general partner will consolidate and generally states that such entities will be presumed to be VIEs unless proven otherwise. For VIEs, the guidance modifies the analysis related to the evaluation of servicing fees, excludes servicing fees that are deemed commensurate with the level of service required from the determination of the primary beneficiary and clarifies certain considerations related to the consolidation analysis when performing a related party assessment. The amendments in this guidance did not impact our historical VIE and consolidation conclusions. No adjustments to our consolidated financial statements were required as a result of the adoption of this guidance.

Recently Issued Accounting Standards

Revenue from Contracts with Customers (ASU 2014-09) and Revenue from Contracts with Customers — Deferral of the Effective Date (ASU 2015-14)

In May 2014, the Financial Accounting Standards Board (FASB) issued ASU 2014-09. The purpose of this guidance is to streamline and consolidate existing revenue recognition principles in GAAP and to converge revenue recognition principles with International Financial Reporting Standards (IFRS). The core principle of the amendments is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled to receive in exchange for those goods or services. The amendments include a five step process for consideration of the main principle, guidance on the accounting treatment for costs associated with a contract, and disclosure requirements related to the revenue process. As originally issued, the amendments in ASU 2014-09 were to be effective beginning on January 1, 2017. However, in August 2015, the FASB issued ASU 2015-14, which deferred the effective date of the guidance until January 1, 2018, and permitted early adoption as of the original effective date in ASU 2014-09. The FASB created a transition resource group to work with stakeholders and clarify the new guidance as necessary. The FASB has issued and is anticipating issuing additional ASUs to provide clarifying guidance and implementation support for ASU 2014-09. Management will consider these additional ASUs when assessing the overall impact of ASU 2014-09. The amendments to the revenue recognition principles can be applied on adoption either through a full retrospective application or on a modified basis with a cumulative effect adjustment on the date of initial adoption with certain practical expedients. Management is in the process of completing a scoping assessment in order to determine the impact of the adoption of this guidance.

11

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Financial Instruments — Recognition and Measurement of Financial Assets (ASU 2016-01)

In January 2016, the FASB issued ASU 2016-01. The amendments in this update modify the requirements related to the measurement of certain financial instruments in the statement of financial condition and results of operation. For equity investments (other than investments accounted for using the equity method), entities must measure such instruments at fair value with changes in fair value recognized in net income. Changes in fair value for available-for-sale equity securities will no longer be recognized through other comprehensive income. Reporting entities may continue to elect to measure equity investments which do not have a readily determinable fair value at cost with adjustments for impairment and observable changes in price. In addition, for a liability (other than a derivative liability) that an entity measures at fair value, any change in fair value related to the instrument-specific credit risk, that is the entity’s own-credit, should be presented separately in other comprehensive income and not as a component of net income. The amendments are effective on January 1, 2018, with early adoption permitted solely for the provisions pertaining to instrument-specific credit risk for liabilities measured at fair value. The amendments must be applied on a modified retrospective basis with a cumulative effect adjustment as of the beginning of the fiscal year of initial adoption. Management is currently evaluating the impact of the amendments. However, we do expect additional volatility in our consolidated results of operations as a result of the requirement to measure equity investments at fair value with changes in the fair value recognized in net income upon adoption.

Leases (ASU 2016-02)

In February 2016, the FASB issued ASU 2016-02. The amendments in this update primarily replace the existing accounting requirements for operating leases for lessees. Lessee accounting requirements for finance leases and lessor accounting requirements for both operating leases and sales type and direct financing leases (both of which were previously referred to as capital leases) are largely unchanged. The amendments require the lessee of an operating lease to record a balance sheet gross-up upon lease commencement by recognizing a right-to-use asset and lease liability equal to the present value of the lease payments. The right-to-use asset and lease liability should be derecognized in a manner which effectively yields a straight line lease expense over the lease term. In addition to the changes to lessee operating lease accounting, the amendments require additional disclosures for all lease types for both lessees and lessors. The amendments are effective on January 1, 2019, with early adoption permitted. The amendments must be applied on a modified retrospective basis with a cumulative adjustment to the beginning of the earliest fiscal year presented in the financial statements in the period of adoption. Management is currently evaluating the impact of these amendments. Preliminarily, we expect to record a gross up in our consolidated statement of financial position upon adoption reflecting our right-to-use asset and lease liability for our operating leases where we are the lessee (for example, our facility leases). We are currently evaluating the impact of the gross up for our operating leases where we are the lessee. We do not believe the amendments will have a material impact to leases where we are the lessor.

Stock Compensation — Improvements to Employee Share-Based Payment Accounting (ASU 2016-09)

In March 2016, the FASB issued ASU 2016-09. The amendments in this update include changes to several aspects of share-based payment accounting. The amendments allow for an entity wide accounting policy election to either account for forfeitures as they occur or estimate the number of awards that are expected to vest. The amendments modify the tax withholding requirements to allow entities to withhold an amount up to the employee’s maximum individual statutory tax rates without resulting in a liability classification of the award as opposed to limiting the withholding to the minimum statutory tax rates. The amendments require that all excess tax benefits and tax deficiencies related to share-based payment awards should be recognized in income tax expense or benefit in the income statement in the period in which they occur. The amendments also address the classification and presentation of certain items on the cash flow statement. The amendments are effective on January 1, 2017, with early adoption permitted. The transition method varies depending on the specific amendment. Management is currently evaluating the impact of these amendments.

2.     Discontinued Operations

Prior to the adoption of ASU 2014-08, which was prospectively applied only to newly identified disposals that qualify as discontinued operations beginning after January 1, 2015, we have classified operations as discontinued when operations and cash flows will be eliminated from our ongoing operations and we do not expect to retain any significant continuing involvement in their operations after the respective sale or disposal transactions. For all periods presented, the operating results for these discontinued operations have been removed from continuing operations and presented separately as discontinued operations, net of tax, in the Condensed Consolidated Statement of Comprehensive Income. The Notes to the Condensed Consolidated Financial Statements have been adjusted to exclude discontinued operations unless otherwise noted.

Select Automotive Finance Operations

During the fourth quarter of 2012 we entered into an agreement with General Motors Financial Company Inc. (GMF) to sell our 40% interest in a motor vehicle finance joint venture in China. On January 2, 2015, the sale of our interest in the motor vehicle finance joint venture in China was completed and an after-tax gain of approximately $400 million was recorded. The tax expense included in this gain was reduced by the release of the valuation allowance on our capital loss carryforward deferred tax asset that was utilized to offset capital gains stemming from this sale.

Other Operations

Other operations relate to previous discontinued operations for which we continue to have minimal residual costs.

12

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Select Financial Information

Select financial information of discontinued operations is summarized below. The pretax income or loss, including direct costs to transact a sale, includes any impairment recognized to present the operations at the lower-of-cost or fair value. Fair value was based on the estimated sales price, which could differ from the ultimate sales price due to price volatility, changing interest rates, changing foreign-currency rates, and future economic conditions.

	Three months ended March 31,
($ in millions)	2016		2015
Select Automotive Finance operations
Pretax income including direct costs to transact a sale (a)	$	1	$	458
Tax expense (b)	—		65
Other operations
Pretax income	$	3	$	2
Tax expense (benefit)	1		(2		)

(a) Includes certain treasury and other corporate activity recognized by Corporate and Other.

(b) Includes certain income tax activity recognized by Corporate and Other.

3.     Other Income, Net of Losses

Details of other income, net of losses, were as follows.

	Three months ended March 31,
($ in millions)	2016		2015
Remarketing fees	$	28	$	28
Late charges and other administrative fees	25		22
Income from equity-method investments	6		33
Other, net	23		14
Total other income, net of losses	$	82	$	97

4.     Other Operating Expenses

Details of other operating expenses were as follows.

	Three months ended March 31,
($ in millions)	2016		2015
Insurance commissions	$	94	$	93
Technology and communications	66		69
Lease and loan administration	32		29
Advertising and marketing	27		31
Professional services	24		20
Vehicle remarketing and repossession	24		18
Premises and equipment depreciation	21		20
Regulatory and licensing fees	21		21
Occupancy	13		12
Non-income taxes	9		8
Other	54		63
Total other operating expenses	$	385	$	384

13

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

5.     Investment Securities

Our portfolio of securities includes bonds, equity securities, asset- and mortgage-backed securities, and other investments. The cost, fair value, and gross unrealized gains and losses on investment securities were as follows.

	March 31, 2016									December 31, 2015
	Amortized cost		Gross unrealized					Fair value		Amortized cost		Gross unrealized					Fair value
($ in millions)			gains		losses							gains		losses
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	345	$	11	$	—		$	356	$	1,760	$	—	$	(19	)	$	1,741
U.S. States and political subdivisions	721		23		(1		)	743		693		24		(1		)	716
Foreign government	181		10		—			191		169		8		—			177
Mortgage-backed residential (a)	12,241		129		(57		)	12,313		10,459		52		(145		)	10,366
Mortgage-backed commercial	515		—		(15		)	500		486		—		(5		)	481
Asset-backed	1,792		—		(11		)	1,781		1,762		1		(8		)	1,755
Corporate debt	1,561		26		(7		)	1,580		1,213		8		(17		)	1,204
Total debt securities (b) (c)	17,356		199		(91		)	17,464		16,542		93		(195		)	16,440
Equity securities	790		12		(86		)	716		808		3		(94		)	717
Total available-for-sale securities	$	18,146	$	211	$	(177	)	$	18,180	$	17,350	$	96	$	(289	)	$	17,157
Total held-to-maturity securities (d)	$	118	$	—	$	—		$	118	$	—	$	—	$	—		$	—

(a) Residential mortgage-backed securities include agency-backed bonds totaling $9,585 million and $7,544 million at March 31, 2016, and December 31, 2015, respectively.

(b) Certain entities related to our Insurance operations are required to deposit securities with state regulatory authorities. These deposited securities totaled $15 million and $14 million at March 31, 2016, and December 31, 2015.

(c) Investment securities with a fair value of $764 million and $2,506 million at March 31, 2016, and December 31, 2015, were pledged to secure advances from the FHLB, short-term borrowings or repurchase agreements and for other purposes as required by contractual obligation or law. Under these agreements, Ally has granted the counterparty the right to sell or pledge $764 million and $745 million of the underlying investment securities at March 31, 2016, and December 31, 2015, respectively.

(d) Held-to-maturity securities consist of agency-backed residential mortgage-backed debt securities for liquidity purposes.

14

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The maturity distribution of investment securities outstanding is summarized in the following tables. Call or prepayment options may cause actual maturities to differ from contractual maturities.

	Total				Due in one year or less				Due after one year through five years				Due after five years through ten years				Due after ten years
($ in millions)	Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield
March 31, 2016
Fair value of available-for-sale debt securities (a)
U.S. Treasury and federal agencies	$	356	2.1	%	$	8	4.8	%	$	91	1.6	%	$	257	2.2	%	$	—	—	%
U.S. States and political subdivisions	743		3.1		150		1.9		44		1.7		106		3.1		443		3.6
Foreign government	191		2.6		10		1.5		74		2.9		107		2.5		—		—
Mortgage-backed residential	12,313		3.0		—		—		1		4.5		31		2.5		12,281		3.0
Mortgage-backed commercial	500		2.3		—		—		—		—		3		2.7		497		2.3
Asset-backed	1,781		2.5		—		—		1,061		2.3		479		2.9		241		2.4
Corporate debt	1,580		2.9		61		2.9		904		2.6		581		3.3		34		5.3
Total available-for-sale debt securities	$	17,464	2.9		$	229	2.2		$	2,175	2.4		$	1,564	2.9		$	13,496	3.0
Amortized cost of available-for-sale debt securities	$	17,356			$	228			$	2,167			$	1,539			$	13,422
Amortized cost of held-to-maturity securities	$	118	3.2	%	$	—	—	%	$	—	—	%	$	—	—	%	$	118	3.2	%
December 31, 2015
Fair value of available-for-sale debt securities (a)
U.S. Treasury and federal agencies	$	1,741	1.8	%	$	6	5.1	%	$	510	1.2	%	$	1,225	2.1	%	$	—	—	%
U.S. States and political subdivisions	716		3.2		86		1.3		37		2.2		141		2.8		452		3.7
Foreign government	177		2.6		9		1.9		77		2.8		91		2.6		—		—
Mortgage-backed residential	10,366		2.9		—		—		33		2.1		36		2.5		10,297		2.9
Mortgage-backed commercial	481		2.0		—		—		—		—		3		2.7		478		2.0
Asset-backed	1,755		2.3		6		1.4		1,027		2.1		518		2.6		204		2.2
Corporate debt	1,204		2.9		50		3.0		713		2.5		410		3.4		31		5.4
Total available-for-sale debt securities	$	16,440	2.7		$	157	2.0		$	2,397	2.1		$	2,424	2.5		$	11,462	2.9
Amortized cost of available-for-sale debt securities	$	16,542			$	156			$	2,404			$	2,436			$	11,546

(a) Yield is calculated using the effective yield of each security at the end of the period, weighted based on the market value. The effective yield considers the contractual coupon and amortized cost, and excludes expected capital gains and losses.

The balances of cash equivalents were $1.4 billion and $1.0 billion at March 31, 2016, and December 31, 2015, respectively, and were composed primarily of money market accounts and short-term securities, including U.S. Treasury bills.

The following table presents interest and dividends on investment securities.

	Three months ended March 31,
($ in millions)	2016		2015
Taxable interest	$	94	$	80
Taxable dividends	4		5
Interest and dividends exempt from U.S. federal income tax	4		3
Interest and dividends on investment securities	$	102	$	88

15

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents gross gains and losses realized upon the sales of available-for-sale securities and other-than-temporary impairment.

	Three months ended March 31,
($ in millions)	2016		2015
Gross realized gains	$	54	$	60
Gross realized losses (a)	—		(3		)
Other-than-temporary impairment	—		(2		)
Other gain on investments, net	$	54	$	55

(a) Certain available-for-sale securities were sold at a loss in 2015 as a result of market conditions within these respective periods (e.g., a downgrade in the rating of a debt security), in accordance with our risk management policies and practices.

The table below summarizes available-for-sale securities in an unrealized loss position in accumulated other comprehensive income. Based on the assessment of whether such losses were deemed to be other than temporary, we believe that the unrealized losses are not indicative of an other-than-temporary impairment of these securities. As of March 31, 2016, we did not have the intent to sell the debt securities with an unrealized loss position in accumulated other comprehensive income, it is not more likely than not that we will be required to sell these securities before recovery of their amortized cost basis, and we expect to recover the entire amortized cost basis of the securities. As of March 31, 2016, we had the ability and intent to hold equity securities with an unrealized loss position in accumulated other comprehensive income, and it is not more likely than not that we will be required to sell these securities before recovery of their amortized cost basis. As a result, we believe that the securities with an unrealized loss position in accumulated other comprehensive income are not considered to be other-than-temporarily impaired at March 31, 2016. Refer to Note 1 for additional information related to investment securities and our methodology for evaluating potential other-than-temporary impairments.

	March 31, 2016										December 31, 2015
	Less than 12 months					12 months or longer					Less than 12 months					12 months or longer
($ in millions)	Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	—	$	—		$	—	$	—		$	1,553	$	(17	)	$	173	$	(2	)
U.S. States and political subdivisions	248		(1		)	—		—			179		(1		)	—		—
Foreign government	—		—			—		—			2		—			—		—
Mortgage-backed	1,336		(16		)	2,448		(56		)	4,096		(43		)	2,453		(107		)
Asset-backed	1,339		(10		)	118		(1		)	1,402		(8		)	64		—
Corporate debt	291		(6		)	14		(1		)	745		(16		)	12		(1		)
Total temporarily impaired debt securities	3,214		(33		)	2,580		(58		)	7,977		(85		)	2,702		(110		)
Temporarily impaired equity securities	336		(39		)	148		(47		)	534		(54		)	96		(40		)
Total temporarily impaired available-for-sale securities	$	3,550	$	(72	)	$	2,728	$	(105	)	$	8,511	$	(139	)	$	2,798	$	(150	)

16

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

6.     Finance Receivables and Loans, Net

The composition of finance receivables and loans reported at gross carrying value was as follows.

($ in millions)	March 31, 2016		December 31, 2015
Consumer automotive (a)	$	63,013	$	64,292
Consumer mortgage
Mortgage Finance (b)	7,443		6,413
Mortgage — Legacy (c)	3,232		3,360
Total consumer mortgage	10,675		9,773
Total consumer	73,688		74,065
Commercial
Commercial and industrial
Automotive	30,829		31,469
Other	2,863		2,640
Commercial real estate — Automotive	3,496		3,426
Total commercial	37,188		37,535
Total finance receivables and loans (d)	$	110,876	$	111,600

(a) Includes $87 million and $66 million of fair value adjustment for loans in hedge accounting relationships at March 31, 2016, and December 31, 2015, respectively. Refer to Note 19 for additional information.

(b) Includes loans originated as interest-only mortgage loans of $41 million and $44 million at March 31, 2016, and December 31, 2015, respectively, 6% of which are expected to start principal amortization in 2016, 3% in 2017, none in 2018, 40% in 2019, and 36% thereafter.

(c) Includes loans originated as interest-only mortgage loans of $889 million and $941 million at March 31, 2016, and December 31, 2015, respectively, 26% of which are expected to start principal amortization in 2016, 22% in 2017, 2% in 2018, none in 2019, and 1% thereafter.

(d) Totals include a net increase of $198 million and $110 million at March 31, 2016, and December 31, 2015, respectively, for unearned income, unamortized premiums and discounts, and deferred fees and costs.

The following tables present an analysis of the activity in the allowance for loan losses on finance receivables and loans.

Three months ended March 31, 2016 ($ in millions)	Consumer automotive			Consumer mortgage			Commercial		Total
Allowance at January 1, 2016	$	834		$	114		$	106	$	1,054
Charge-offs	(253		)	(10		)	—		(263		)
Recoveries	80			4			—		84
Net charge-offs	(173		)	(6		)	—		(179		)
Provision for loan losses	207			7			6		220
Other (a)	(18		)	—			—		(18		)
Allowance at March 31, 2016	$	850		$	115		$	112	$	1,077
Allowance for loan losses at March 31, 2016
Individually evaluated for impairment	$	25		$	43		$	18	$	86
Collectively evaluated for impairment	825			72			94		991
Loans acquired with deteriorated credit quality	—			—			—		—
Finance receivables and loans at gross carrying value
Ending balance	$	63,013		$	10,675		$	37,188	$	110,876
Individually evaluated for impairment	337			261			90		688
Collectively evaluated for impairment	62,676			10,414			37,098		110,188
Loans acquired with deteriorated credit quality	—			—			—		—

(a) Primarily related to the transfer of finance receivables and loans from held-for-investment to held-for-sale.

17

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Three months ended March 31, 2015 ($ in millions)	Consumer automotive			Consumer mortgage			Commercial			Total
Allowance at January 1, 2015	$	685		$	152		$	140		$	977
Charge-offs	(193		)	(22		)	—			(215		)
Recoveries	61			3			1			65
Net charge-offs	(132		)	(19		)	1			(150		)
Provision for loan losses	158			(5		)	(37		)	116
Other (a)	—			(9		)	(1		)	(10		)
Allowance at March 31, 2015	$	711		$	119		$	103		$	933
Allowance for loan losses at March 31, 2015
Individually evaluated for impairment	$	21		$	54		$	15		$	90
Collectively evaluated for impairment	690			65			88			843
Loans acquired with deteriorated credit quality	—			—			—			—
Finance receivables and loans at gross carrying value
Ending balance	$	57,447		$	7,652		$	34,757		$	99,856
Individually evaluated for impairment	278			253			65			596
Collectively evaluated for impairment	57,169			7,399			34,692			99,260
Loans acquired with deteriorated credit quality	—			—			—			—

(a) Primarily related to the transfer of finance receivables and loans from held-for-investment to held-for-sale.

The following table presents the gross carrying value of significant sales of finance receivables and loans and transfers of finance receivables and loans from held-for-investment to held-for-sale.

	Three months ended March 31,
($ in millions)	2016		2015
Consumer automotive	$	2,599	$	—
Consumer mortgage	2		69
Commercial	—		—
Total sales and transfers	$	2,601	$	69

The following table presents information about significant purchases of finance receivables and loans.

	Three months ended March 31,
($ in millions)	2016		2015
Consumer automotive	$	—	$	—
Consumer mortgage	1,370		654
Total purchases of finance receivables and loans	$	1,370	$	654

18

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents an analysis of our past due finance receivables and loans recorded at gross carrying value.

($ in millions)	30-59 days past due		60-89 days past due		90 days or more past due		Total past due		Current		Total finance receivables and loans
March 31, 2016
Consumer automotive	$	1,227	$	247	$	215	$	1,689	$	61,324	$	63,013
Consumer mortgage
Mortgage Finance	65		3		8		76		7,367		7,443
Mortgage — Legacy	46		16		70		132		3,100		3,232
Total consumer mortgage	111		19		78		208		10,467		10,675
Total consumer	1,338		266		293		1,897		71,791		73,688
Commercial
Commercial and industrial
Automotive	—		—		—		—		30,829		30,829
Other	—		—		—		—		2,863		2,863
Commercial real estate — Automotive	—		—		—		—		3,496		3,496
Total commercial	—		—		—		—		37,188		37,188
Total consumer and commercial	$	1,338	$	266	$	293	$	1,897	$	108,979	$	110,876
December 31, 2015
Consumer automotive	$	1,618	$	369	$	222	$	2,209	$	62,083	$	64,292
Consumer mortgage
Mortgage Finance	44		5		10		59		6,354		6,413
Mortgage — Legacy	53		20		73		146		3,214		3,360
Total consumer mortgage	97		25		83		205		9,568		9,773
Total consumer	1,715		394		305		2,414		71,651		74,065
Commercial
Commercial and industrial
Automotive	—		—		—		—		31,469		31,469
Other	—		—		—		—		2,640		2,640
Commercial real estate — Automotive	—		—		—		—		3,426		3,426
Total commercial	—		—		—		—		37,535		37,535
Total consumer and commercial	$	1,715	$	394	$	305	$	2,414	$	109,186	$	111,600

19

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents the gross carrying value of our finance receivables and loans on nonaccrual status.

($ in millions)	March 31, 2016		December 31, 2015
Consumer automotive	$	492	$	475
Consumer mortgage
Mortgage Finance	11		15
Mortgage — Legacy	105		113
Total consumer mortgage	116		128
Total consumer	608		603
Commercial
Commercial and industrial
Automotive	19		25
Other	66		44
Commercial real estate — Automotive	5		8
Total commercial	90		77
Total consumer and commercial finance receivables and loans	$	698	$	680

Management performs a quarterly analysis of the consumer automotive, consumer mortgage, and commercial portfolios using a range of credit quality indicators to assess the adequacy of the allowance for loan losses based on historical and current trends. The following tables present the population of loans by quality indicators for our consumer automotive, consumer mortgage, and commercial portfolios.

The following table presents performing and nonperforming credit quality indicators in accordance with our internal accounting policies for our consumer finance receivables and loans recorded at gross carrying value. Nonperforming loans include finance receivables and loans on nonaccrual status when the principal or interest has been delinquent for 90 days or when full collection is not expected. Refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K for additional information.

	March 31, 2016						December 31, 2015
($ in millions)	Performing		Nonperforming		Total		Performing		Nonperforming		Total
Consumer automotive	$	62,521	$	492	$	63,013	$	63,817	$	475	$	64,292
Consumer mortgage
Mortgage Finance	7,432		11		7,443		6,398		15		6,413
Mortgage — Legacy	3,127		105		3,232		3,247		113		3,360
Total consumer mortgage	10,559		116		10,675		9,645		128		9,773
Total consumer	$	73,080	$	608	$	73,688	$	73,462	$	603	$	74,065

The following table presents pass and criticized credit quality indicators based on regulatory definitions for our commercial finance receivables and loans recorded at gross carrying value.

	March 31, 2016						December 31, 2015
($ in millions)	Pass		Criticized (a)		Total		Pass		Criticized (a)		Total
Commercial and industrial
Automotive	$	29,008	$	1,821	$	30,829	$	29,613	$	1,856	$	31,469
Other	2,144		719		2,863		2,122		518		2,640
Commercial real estate — Automotive	3,334		162		3,496		3,265		161		3,426
Total commercial	$	34,486	$	2,702	$	37,188	$	35,000	$	2,535	$	37,535

(a) Includes loans classified as special mention, substandard, or doubtful. These classifications are based on regulatory definitions and generally represent loans within our portfolio that have a higher default risk or have already defaulted.

Impaired Loans and Troubled Debt Restructurings

Impaired Loans

Loans are considered impaired when we determine it is probable that we will be unable to collect all amounts due according to the terms of the loan agreement. For more information on our impaired finance receivables and loans, refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K.

20

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents information about our impaired finance receivables and loans.

($ in millions)	Unpaid principal balance (a)		Gross carrying value		Impaired with no allowance		Impaired with an allowance		Allowance for impaired loans
March 31, 2016
Consumer automotive	$	375	$	337	$	118	$	219	$	25
Consumer mortgage
Mortgage Finance	9		8		4		4		1
Mortgage — Legacy	256		253		59		194		42
Total consumer mortgage	265		261		63		198		43
Total consumer	640		598		181		417		68
Commercial
Commercial and industrial
Automotive	19		19		3		16		2
Other	78		66		23		43		15
Commercial real estate — Automotive	5		5		1		4		1
Total commercial	102		90		27		63		18
Total consumer and commercial finance receivables and loans	$	742	$	688	$	208	$	480	$	86
December 31, 2015
Consumer automotive	$	315	$	315	$	—	$	315	$	22
Consumer mortgage
Mortgage Finance	9		9		5		4		1
Mortgage — Legacy	260		257		59		198		43
Total consumer mortgage	269		266		64		202		44
Total consumer	584		581		64		517		66
Commercial
Commercial and industrial
Automotive	25		25		4		21		3
Other	44		44		—		44		15
Commercial real estate — Automotive	8		8		1		7		2
Total commercial	77		77		5		72		20
Total consumer and commercial finance receivables and loans	$	661	$	658	$	69	$	589	$	86

(a) Adjusted for charge-offs.

21

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents average balance and interest income for our impaired finance receivables and loans.

	2016				2015
Three months ended March 31, ($ in millions)	Average balance		Interest income		Average balance		Interest income
Consumer automotive	$	326	$	4	$	290	$	4
Consumer mortgage
Mortgage Finance	9		—		7		—
Mortgage — Legacy	255		2		304		2
Total consumer mortgage	264		2		311		2
Total consumer	590		6		601		6
Commercial
Commercial and industrial
Automotive	23		—		34		—
Other	49		1		40		3
Commercial real estate — Automotive	6		—		4		—
Total commercial	78		1		78		3
Total consumer and commercial finance receivables and loans	$	668	$	7	$	679	$	9

Troubled Debt Restructurings

Troubled Debt Restructurings (TDRs) are loan modifications where concessions were granted to borrowers experiencing financial difficulties. Numerous initiatives are in place to provide support to our mortgage customers in financial distress, including principal forgiveness, maturity extensions, delinquent interest capitalization, and changes to contractual interest rates. Additionally, for automotive loans, we may offer several types of assistance to aid our customers, including extension of the loan maturity date and rewriting the loan terms. Total TDRs recorded at gross carrying value were $641 million and $625 million at March 31, 2016, and December 31, 2015, respectively. Commercial commitments to lend additional funds to borrowers owing receivables whose terms had been modified in a TDR were $3 million and $2 million, at March 31, 2016, and December 31, 2015, respectively. Refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K for additional information.

The following table presents information related to finance receivables and loans recorded at gross carrying value modified in connection with a TDR during the period.

	2016					2015
Three months ended March 31, ($ in millions)	Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value		Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value
Consumer automotive	5,622	$	89	$	76	4,055	$	63	$	53
Consumer mortgage
Mortgage Finance	1	1		1		2	1		1
Mortgage — Legacy	31	4		4		38	6		5
Total consumer mortgage	32	5		5		40	7		6
Total consumer	5,654	94		81		4,095	70		59
Commercial
Commercial and industrial
Automotive	—	—		—		—	—		—
Other	—	—		—		—	—		—
Commercial real estate — Automotive	—	—		—		—	—		—
Total commercial	—	—		—		—	—		—
Total consumer and commercial finance receivables and loans	5,654	$	94	$	81	4,095	$	70	$	59

22

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents information about finance receivables and loans recorded at gross carrying value that have redefaulted during the reporting period and were within 12 months or less of being modified as a TDR. Redefault is when finance receivables and loans meet the requirements for evaluation under our charge-off policy (refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K for additional information) except for commercial finance receivables and loans, where redefault is defined as 90 days past due.

	2016					2015
Three months ended March 31, ($ in millions)	Number of loans	Gross carrying value		Charge-off amount		Number of loans	Gross carrying value		Charge-off amount
Consumer automotive	1,800	$	23	$	12	1,581	$	19	$	11
Consumer mortgage
Mortgage Finance	—	—		—		—	—		—
Mortgage — Legacy	1	—		—		4	—		—
Total consumer finance receivables and loans	1,801	$	23	$	12	1,585	$	19	$	11

7.     Investment in Operating Leases, Net

Investments in operating leases were as follows.

($ in millions)	March 31, 2016			December 31, 2015
Vehicles	$	18,784		$	20,211
Accumulated depreciation	(3,826		)	(3,940		)
Investment in operating leases, net	$	14,958		$	16,271

Depreciation expense on operating lease assets includes remarketing gains and losses recognized on the sale of operating lease assets. The following summarizes the components of depreciation expense on operating lease assets.

	Three months ended March 31,
($ in millions)	2016			2015
Depreciation expense on operating lease assets (excluding remarketing gains)	$	565		$	691
Remarketing gains	(55		)	(69		)
Net depreciation expense on operating lease assets	$	510		$	622

8.    Securitizations and Variable Interest Entities

We are involved in several types of securitization and financing transactions that utilize special-purpose entities (SPEs). A SPE is an entity that is designed to fulfill a specified limited need of the sponsor. Our principal use of SPEs is to obtain liquidity by securitizing certain of our financial assets and operating lease assets.

The transaction-specific SPEs involved in our securitization and other financing transactions are often considered VIEs. VIEs are entities that have either a total equity investment at risk that is insufficient to permit the entity to finance its activities without additional subordinated financial support or whose equity investors at risk lack the ability to control the entity's activities.

We provide a wide range of consumer and commercial automotive loans, operating leases, and commercial loans to a diverse customer base. We securitize consumer and commercial automotive loans, and operating leases through private-label securitizations. We often securitize these loans and notes secured by operating leases (collectively referred to as financial assets) through the use of securitization entities, which may or may not be consolidated on our Condensed Consolidated Balance Sheet.

We provide long-term guarantee contracts to investors in certain nonconsolidated affordable housing entities and have extended a line of credit to provide liquidity and minimize our exposure under these contracts. Since we do not have control over the entities or the power to make decisions, we do not consolidate the entities and our involvement is limited to the guarantee and the line of credit.

We have involvement with various other nonconsolidated equity investments, including affordable housing entities and venture capital funds and loan funds. We do not consolidate these entities and our involvement is limited to our outstanding investment, additional capital committed to these funds plus any previously recognized low income housing tax credits that are subject to recapture.

Refer to Note 10 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K for further description of our securitization activities and our involvement with VIEs.

23

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Our involvement with consolidated and nonconsolidated VIEs in which we hold variable interests is presented below.

($ in millions)	Involvement with VIEs			Assets of nonconsolidated VIEs (a)			Maximum exposure to loss in nonconsolidated VIEs
March 31, 2016
On-balance sheet variable interest entities
Consumer automotive	$	27,408	(b)
Commercial automotive	15,817
Off-balance sheet variable interest entities
Consumer automotive	25			$	3,647	(c)	$	3,672	(d)
Commercial other	224		(e)	—		(c)	523		(f)
Total	$	43,474		$	3,647		$	4,195
December 31, 2015
On-balance sheet variable interest entities
Consumer automotive	$	27,967	(b)
Commercial automotive	16,763
Off-balance sheet variable interest entities
Consumer automotive	—			$	3,034		$	3,034	(d)
Commercial other	210		(e)	—		(c)	493		(f)
Total	$	44,940		$	3,034		$	3,527

(a) Asset values represent the current unpaid principal balance of outstanding consumer finance receivables and loans within the VIEs.

(b) Includes $10.2 billion and $10.6 billion of assets that are not encumbered by VIE beneficial interests held by third parties at March 31, 2016, and December 31, 2015, respectively. Ally or consolidated affiliates hold the interests in these assets which eliminate in consolidation.

(c) Includes VIEs for which we have no management oversight and therefore we are not able to provide the total assets of the VIEs.

(d) Maximum exposure to loss represents the current unpaid principal balance of outstanding loans based on our customary representation and warranty provisions and certain noncertificated interests retained from the sale of automotive finance receivables. This measure is based on the unlikely event that all of the loans have underwriting defects or other defects that trigger a representation and warranty provision and the collateral supporting the loans are worthless. This required disclosure is not an indication of our expected loss.

(e) Includes $234 million and $222 million classified as other assets, offset by $10 million and $12 million classified as accrued expenses and other liabilities at March 31, 2016, and December 31, 2015, respectively.

(f) For certain nonconsolidated affordable housing entities, maximum exposure to loss represents the yield we guaranteed investors through long term guarantee contracts. The amount disclosed is based on the unlikely event that the underlying properties cease generating yield to investors and the yield delivered to investors in the form of low income tax housing credits is recaptured. For nonconsolidated equity investments, maximum exposure to loss represents our outstanding investment, additional committed capital, and low income housing tax credits subject to recapture. The amount disclosed is based on the unlikely event that our committed capital is funded, our investments become worthless, and the tax credits previously delivered to us are recaptured. This required disclosure is not an indication of our expected loss.

Cash Flows with Off-balance Sheet Securitization Entities

The following table summarizes cash flows received and paid related to securitization entities and asset-backed financings where the transfer is accounted for as a sale and we have a continuing involvement with the transferred assets (e.g., servicing) that were outstanding during the three months endedMarch 31, 2016, and 2015. Additionally, this table contains information regarding cash flows received from and paid to nonconsolidated securitization entities that existed during each period.

Three months ended March 31, ($ in millions)	Consumer automotive
2016
Cash proceeds from transfers completed during the period	$	1,025
Servicing fees	8
Other cash flows	2
2015
Servicing fees	$	7

24

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Delinquencies and Net Credit Losses

The following tables represent on-balance sheet loans held-for-sale and finance receivable and loans, off-balance sheet securitizations, and whole-loan sales where we have continuing involvement. The tables present quantitative information about delinquencies and net credit losses.

	Total Amount				Amount 60 days or more past due
($ in millions)	March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015
On-balance sheet loans
Consumer automotive	$	63,013	$	64,292	$	462	$	591
Consumer mortgage	10,675		9,773		97		108
Commercial automotive	34,325		34,895		—		—
Commercial other	2,902		2,745		—		—
Total on-balance sheet loans	110,915		111,705		559		699
Off-balance sheet securitization entities
Consumer automotive	3,139		2,529		8		9
Total off-balance sheet securitization entities	3,139		2,529		8		9
Whole-loan transactions (a)	3,477		2,252		8		13
Total	$	117,531	$	116,486	$	575	$	721

(a) Whole-loan transactions are not part of a securitization transaction, but represent consumer automotive pools of loans sold to third-party investors.

	Net credit losses
	Three months ended March 31,
($ in millions)	2016		2015
On-balance sheet loans
Consumer automotive	$	173	$	132
Consumer mortgage	6		19
Commercial automotive	—		(1		)
Total on-balance sheet loans	179		150
Off-balance sheet securitization entities
Consumer automotive	2		1
Total off-balance sheet securitization entities	2		1
Total	$	181	$	151

9.     Servicing Activities

Automotive Finance Servicing Activities

We service consumer automotive contracts. Historically, we have sold a portion of our consumer automotive contracts. With respect to contracts we sell, we retain the right to service and earn a servicing fee for our servicing function. We have concluded that the fee we are paid for servicing consumer automotive finance receivables represents adequate compensation, and consequently, we do not recognize a servicing asset or liability. We recognized automotive servicing fee income of $13 million and $10 million during the three months endedMarch 31, 2016, and 2015, respectively.

25

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Automotive Finance Serviced Assets

The current unpaid principal balance and any related unamortized deferred fees and costs of total serviced automotive finance loans and leases outstanding were as follows.

($ in millions)	March 31, 2016		December 31, 2015
On-balance sheet automotive finance loans and leases
Consumer automotive	$	62,819	$	64,067
Commercial automotive	34,325		34,895
Operating leases	14,690		15,965
Other	67		72
Off-balance sheet automotive finance loans
Loans sold to third-party investors
Securitizations	3,168		2,550
Whole-loan	3,512		2,259
Total serviced automotive finance loans and leases	$	118,581	$	119,808

10.     Other Assets

The components of other assets were as follows.

($ in millions)	March 31, 2016			December 31, 2015
Property and equipment at cost	$	724		$	691
Accumulated depreciation	(474		)	(456		)
Net property and equipment	250			235
Restricted cash collections for securitization trusts (a)	2,021			2,010
Net deferred tax assets	1,142			1,369
Nonmarketable equity investments (b)	733			418
Other accounts receivable	392			158
Fair value of derivative contracts in receivable position (c)	224			233
Cash reserve deposits held-for-securitization trusts (d)	208			252
Collateral placed with counterparties	106			125
Restricted cash and cash equivalents	105			120
Other assets	1,401			1,401
Total other assets	$	6,582		$	6,321

(a) Represents cash collections from customer payments on securitized receivables. These funds are distributed to investors as payments on the related secured debt.

(b) Includes investments in FHLB stock of $271 million and $391 million and FRB stock of $435 million and $0 million at March 31, 2016, and December 31, 2015, respectively.

(c) For additional information on derivative instruments and hedging activities, refer to Note 19.

(d) Represents credit enhancement in the form of cash reserves for various securitization transactions.

26

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

11.    Deposit Liabilities

Deposit liabilities consisted of the following.

($ in millions)	March 31, 2016		December 31, 2015
Noninterest-bearing deposits	$	92	$	89
Interest-bearing deposits
Savings and money market checking accounts	39,945		36,386
Certificates of deposit	30,010		29,774
Dealer deposits	218		229
Total deposit liabilities	$	70,265	$	66,478

At March 31, 2016, and December 31, 2015, certificates of deposit included $11.5 billion of certificates of deposit in denominations of $100 thousand or more. At March 31, 2016, and December 31, 2015, certificates of deposit included $3.2 billion in denominations in excess of $250 thousand federal insurance limits.

12.    Short-term Borrowings

The following table presents the composition of our short-term borrowings portfolio.

	March 31, 2016						December 31, 2015
($ in millions)	Unsecured		Secured (a)		Total		Unsecured		Secured (a)		Total
Demand notes	$	3,640	$	—	$	3,640	$	3,369	$	—	$	3,369
Federal Home Loan Bank	—		1,000		1,000		—		4,000		4,000
Securities sold under agreements to repurchase	—		725		725		—		648		648
Other	—		—		—		84		—		84
Total short-term borrowings	$	3,640	$	1,725	$	5,365	$	3,453	$	4,648	$	8,101

(a) Refer to Note 13 for further details on assets restricted as collateral for payment of the related debt.

We periodically enter into term repurchase agreements, short-term borrowing agreements in which we sell financial instruments to one or more investors while simultaneously committing to repurchase them at a specified future date, at the stated price plus accrued interest. As of March 31, 2016, the financial instruments sold under agreement to repurchase consisted of mortgage-backed residential securities with the following maturities: $351 millionwithin the next 30 days and$374 millionwithin 31 to 60 days. Refer to Note 5 and Note 22 for further details on investment securities sold under agreements to repurchase.

The primary risk associated with these repurchase agreements is that the counterparty will be unable to perform under the terms of the contract. As the borrower, Ally is exposed to the excess market value of the securities pledged over the amount borrowed. Daily mark-to-market collateral management is designed to limit this risk to the initial margin. However, should a counterparty declare bankruptcy or become insolvent, Ally may incur additional delays and costs. As of March 31, 2016, we received cash collateral totaling $1 million and we placed cash collateral totaling $2 million with counterparties under these collateral arrangements associated with our repurchase agreements.

13.    Long-term Debt

The following table presents the composition of our long-term debt portfolio.

	March 31, 2016						December 31, 2015
($ in millions)	Unsecured		Secured		Total		Unsecured		Secured			Total
Long-term debt
Due within one year	$	4,351	$	9,517	$	13,868	$	1,829	$	9,427		$	11,256
Due after one year (a)	15,758		31,911		47,669		18,803		35,844			54,647
Fair value adjustment (b)	497		10		507		334		(3		)	331
Total long-term debt (c)	$	20,606	$	41,438	$	62,044	$	20,966	$	45,268		$	66,234

(a) Includes $2.6 billion of trust preferred securities at both March 31, 2016, and December 31, 2015.

(b) Represents the fair value adjustment associated with the application of hedge accounting on certain of our long-term debt positions. Refer to Note 19 for additional information.

(c) Includes advances from the Federal Home Loan Bank of Pittsburgh (FHLB) of $5.4 billion at both March 31, 2016, and December 31, 2015.

27

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table presents the scheduled remaining maturity of long-term debt at March 31, 2016, assuming no early redemptions will occur. The actual payment of secured debt may vary based on the payment activity of the related pledged assets.

($ in millions)	2016			2017			2018			2019			2020			2021 and thereafter			Fair value adjustment		Total
Unsecured
Long-term debt	$	1,412		$	4,371		$	3,701		$	1,631		$	2,213		$	8,156		$	497	$	21,981
Original issue discount	(58		)	(87		)	(99		)	(35		)	(36		)	(1,060		)	—		(1,375		)
Total unsecured	1,354			4,284			3,602			1,596			2,177			7,096			497		20,606
Secured
Long-term debt	5,569			12,721			8,448			7,128			4,058			3,504			10		41,438
Total long-term debt	$	6,923		$	17,005		$	12,050		$	8,724		$	6,235		$	10,600		$	507	$	62,044

The following summarizes assets restricted as collateral for the payment of the related debt obligation primarily arising from securitization transactions accounted for as secured borrowings and repurchase agreements.

	March 31, 2016					December 31, 2015
($ in millions)	Total			Ally Bank (a)		Total			Ally Bank (a)
Investment securities(b)	$	685		$	—	$	2,420		$	1,761
Mortgage assets held-for-investment and lending receivables	10,614			10,614		9,743			9,743
Consumer automotive finance receivables	32,246			8,515		34,324			9,167
Commercial automotive finance receivables	18,905			18,539		19,623			19,177
Investment in operating leases, net	4,669			2,644		5,539			3,205
Other assets (b)	74			—		—			—
Total assets restricted as collateral (c) (d)	$	67,193		$	40,312	$	71,649		$	43,053
Secured debt	$	43,163	(e)	$	19,259	$	49,916	(e)	$	24,787

(a) Ally Bank is a component of the total column.

(b) Certain investment securities and other assets are restricted under repurchase agreements. Refer to Note 12 for information on the repurchase agreements.

(c) Ally Bank has an advance agreement with the FHLB, and had assets pledged to secure borrowings that were restricted as collateral to the FHLB totaling $14.1 billion and $14.9 billion at March 31, 2016, and December 31, 2015, respectively. These assets were composed primarily of consumer mortgage finance receivables and loans, net and investment securities. Ally Bank has access to the Federal Reserve Bank Discount Window. Ally Bank had assets pledged and restricted as collateral to the Federal Reserve Bank totaling $2.9 billion at both March 31, 2016, and December 31, 2015. These assets were composed of consumer automotive finance receivables and loans, net and investment in operating leases, net. Availability under these programs is only for the operations of Ally Bank and cannot be used to fund the operations or liabilities of Ally or its subsidiaries.

(d) Excludes restricted cash and cash reserves for securitization trusts recorded within other assets on the Condensed Consolidated Balance Sheet. Refer to Note 10 for additional information.

(e) Includes $1.7 billion and $4.6 billion of short-term borrowings at March 31, 2016, and December 31, 2015, respectively.

Trust Preferred Securities

At March 31, 2016 we have issued and outstanding approximately $2.6 billion in aggregate liquidation preference of 8.125% Fixed Rate / Floating Rate Trust Preferred Securities, Series 2 (Series 2 TRUPS) net of original issue discount and debt issuance costs. Each Series 2 TRUPS security has a liquidation amount of $25. Distributions are cumulative and are payable until redemption at the applicable coupon rate. Distributions were payable at an annual rate of 8.125% payable quarterly in arrears, through but excluding February 15, 2016. From and including February 15, 2016, to but excluding February 15, 2040, distributions will be payable at an annual rate equal to three-month London interbank offer rate plus 5.785% payable quarterly in arrears, beginning May 15, 2016. Ally has the right to defer payments of interest for a period not exceeding 20 consecutive quarters. The Series 2 TRUPS have no stated maturity date, but must be redeemed upon the redemption or maturity of the related debentures (Debentures), which mature on February 15, 2040. Ally at any time on or after February 15, 2016 may redeem the Series 2 TRUPS at a redemption price equal to 100% of the principal amount being redeemed, plus accrued and unpaid interest through the date of redemption. The Series 2 TRUPS are generally nonvoting, other than with respect to certain limited matters. During any period in which any Series 2 TRUPS remain outstanding but in which distributions on the Series 2 TRUPS have not been fully paid, none of Ally or its subsidiaries will be permitted to (i) declare or pay dividends on, make any distributions with respect to, or redeem, purchase, acquire or otherwise make a liquidation payment with respect to, any of Ally’s capital stock or make any guarantee payment with respect thereto; or (ii) make any payments of principal, interest, or premium on, or repay, repurchase or redeem, any debt securities or guarantees that rank on a parity with or junior in interest to the Debentures with certain specified exceptions in each case.

Funding Facilities

We utilize both committed credit facilities and other collateralized funding vehicles. The debt outstanding under our various funding facilities is included on our Condensed Consolidated Balance Sheet.

28

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

As of March 31, 2016, Ally Bank had exclusive access to $4.0 billion of funding capacity from committed credit facilities. Funding programs supported by the Federal Reserve and the FHLB, together with repurchase agreements, complement Ally Bank’s private collateralized funding vehicles.

The total capacity in our committed funding facilities is provided by banks and other financial institutions through private transactions. The committed secured funding facilities can be revolving in nature and allow for additional funding during the commitment period, or they can be amortizing and not allow for any further funding after the closing date. At March 31, 2016, $19.6 billion of our $19.8 billion of committed capacity was revolving. Our revolving facilities generally have an original tenor ranging from 364 days to two years. As of March 31, 2016, we had $16.2 billion of committed funding capacity from revolving facilities with a remaining tenor greater than 364 days.

Committed Funding Facilities

	Outstanding				Unused capacity (a)				Total capacity
($ in millions)	March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015
Bank funding
Secured (b)	$	2,250	$	3,250	$	1,750	$	—	$	4,000	$	3,250
Parent funding
Secured	15,325		16,914		465		251		15,790		17,165
Total committed facilities	$	17,575	$	20,164	$	2,215	$	251	$	19,790	$	20,415

(a) Funding from committed secured facilities is available on request in the event excess collateral resides in certain facilities or is available to the extent incremental collateral is available and contributed to the facilities.

(b) Excludes off-balance sheet credit facility amounts.

14.    Accrued Expenses and Other Liabilities

The components of accrued expenses and other liabilities were as follows.

($ in millions)	March 31, 2016		December 31, 2015
Accounts payable	$	1,082	$	391
Reserves for insurance losses and loss adjustment expenses	184		169
Employee compensation and benefits	158		242
Collateral received from counterparties	126		82
Fair value of derivative contracts in payable position (a)	124		145
Deferred revenue	93		108
Other liabilities	418		408
Total accrued expenses and other liabilities	$	2,185	$	1,545

(a) For additional information on derivative instruments and hedging activities, refer to Note 19.

15.    Preferred Stock

The following table summarizes information about our Series A preferred stock.

	March 31, 2016			December 31, 2015
Series A preferred stock (a) (b)
Carrying value ($ in millions)	$	696		$	696
Par value (per share)	0.01			0.01
Liquidation preference (per share)	25			25
Number of shares authorized	40,870,560			40,870,560
Number of shares issued and outstanding	27,870,560			27,870,560
Dividend/coupon
Prior to May 15, 2016	8.5		%	8.5		%
On and after May 15, 2016	Three month LIBOR + 6.243%			Three month LIBOR + 6.243%

(a) Nonredeemable prior to May 15, 2016.

(b) On April 14, 2016, we issued a Notice of Redemption to the holders of the outstanding Series A Preferred Stock to redeem the remaining 27,870,560 shares at a redemption price of $25 per share.We plan to redeem the outstanding shares on May 16, 2016.

29

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

16.    Accumulated Other Comprehensive Loss

The following table presents changes, net of tax, in each component of accumulated other comprehensive (loss) income.

($ in millions)	Unrealized (losses) gains on investment securities (a)			Translation adjustments and net investment hedges (b)			Cash flow hedges		Defined benefit pension plans			Accumulated other comprehensive loss
Balance at December 31, 2014	$	(21	)	$	36		$	7	$	(88	)	$	(66	)
2015 net change	52			(21		)	—		—			31
Balance at March 31, 2015	$	31		$	15		$	7	$	(88	)	$	(35	)
Balance at December 31, 2015	$	(159	)	$	9		$	8	$	(89	)	$	(231	)
2016 net change	142			5			—		(1		)	146
Balance at March 31, 2016	$	(17	)	$	14		$	8	$	(90	)	$	(85	)

(a) Represents the after-tax difference between the fair value and amortized cost of our available-for-sale securities portfolio.

(b) For additional information on derivative instruments and hedging activities, refer to Note 19.

The following tables present the before- and after-tax changes in each component of accumulated other comprehensive (loss) income.

Three months ended March 31, 2016($ in millions)	Before Tax				Tax Effect				After Tax
Investment securities
Net unrealized gains arising during the period	$	280			$	(104	)		$	176
Less: Net realized gains reclassified to income from continuing operations	54			(a)	(20		)	(b)	34
Net change	226				(84		)		142
Translation adjustments
Net unrealized gains arising during the period	13				(5		)		8
Net investment hedges
Net unrealized losses arising during the period	(6		)		3				(3		)
Defined benefit pension plans
Net unrealized losses arising during the period	(1		)		—				(1		)
Other comprehensive income	$	232			$	(86	)		$	146

(a) Includes gains reclassified to other gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

Three months ended March 31, 2015 ($ in millions)	Before Tax				Tax Effect				After Tax
Investment securities
Net unrealized gains arising during the period	$	138			$	(51	)		$	87
Less: Net realized gains reclassified to income from continuing operations	55			(a)	(20		)	(b)	35
Net change	83				(31		)		52
Translation adjustments
Net unrealized losses arising during the period	(20		)		7				(13		)
Less: Net realized gains reclassified to income from discontinued operations, net of tax	42				(20		)		22
Net change	(62		)		27				(35		)
Net investment hedges
Net unrealized gains arising during the period	18				(7		)		11
Less: Net realized losses reclassified to income from discontinued operations, net of tax	(4		)		1				(3		)
Net change	22				(8		)		14
Other comprehensive income	$	43			$	(12	)		$	31

(a) Includes gains reclassified to other gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

30

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

17.    Earnings per Common Share

The following table presents the calculation of basic and diluted earnings per common share.

	Three months ended March 31,
($ in millions, except share data) (a)	2016			2015
Net income from continuing operations	$	247		$	179
Preferred stock dividends	(15		)	(67		)
Net income from continuing operations attributable to common shareholders	232			112
Income from discontinued operations, net of tax	3			397
Net income attributable to common shareholders	$	235		$	509
Basic weighted-average common shares outstanding (b)	484,233,246			482,247,935
Diluted weighted-average common shares outstanding (b)	484,654,229			482,781,619
Basic earnings per common share
Net income from continuing operations	$	0.48		$	0.23
Income from discontinued operations, net of tax	0.01			0.82
Net income	$	0.49		$	1.06
Diluted earnings per common share
Net income from continuing operations	$	0.48		$	0.23
Income from discontinued operations, net of tax	0.01			0.82
Net income	$	0.49		$	1.06

(a) Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

(b) Includes shares related to share-based compensation that vested but were not yet issued for the three months endedMarch 31, 2016, and 2015, respectively.

18.    Regulatory Capital and Other Regulatory Matters

As a BHC, we and our wholly-owned state-chartered banking subsidiary, Ally Bank, are subject to capital requirements issued by U.S. banking regulators that require us to maintain risk-based and leverage capital ratios above minimum levels. A risk-based capital ratio is a ratio of a banking organization’s regulatory capital to its risk-weighted assets. A leverage capital ratio is a ratio of a banking organization’s regulatory capital to a measure of assets or exposures that is not risk-weighted. As of January 1, 2015, Ally and Ally Bank became subject to the rules implementing the 2010 Basel III capital framework in the United States (U.S. Basel III), which reflect new and higher capital requirements, capital buffers, and new regulatory capital definitions, deductions and adjustments. Certain aspects of U.S. Basel III, including the new capital buffers and regulatory capital deductions, will be phased in over several years.

Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary action by regulators that, if undertaken, could have a direct material effect on the Condensed Consolidated Financial Statements or the results of operations and financial condition of Ally and Ally Bank. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, we and Ally Bank must meet specific capital guidelines that involve quantitative measures of capital, assets and certain off-balance sheet items. These measures and related classifications, which are used in the calculation of our risk-based and leverage capital ratios and those of Ally Bank, are also subject to qualitative judgments by the regulators about the components of capital, the risk-weightings of assets and other exposures, and other factors. The U.S. banking regulators also use these ratios and guidelines as part of the capital planning and stress testing processes. In addition, in order for Ally to maintain its status as a FHC, Ally and its bank subsidiary, Ally Bank, must remain “well-capitalized” and “well-managed,” as defined under applicable law. Effective January 1, 2015, the “well-capitalized” standard for insured depository institutions, such as Ally Bank, was revised to reflect the new and higher capital requirements under U.S. Basel III.

Under U.S. Basel III, Ally must maintain a minimum Common Equity Tier 1 risk-based capital ratio of4.5%, a minimum Tier 1 risk-based capital ratio of6%, and a minimum Total risk-based capital ratio of8%. In addition to these minimum requirements, Ally is also subject to a Common Equity Tier 1 capital conservation buffer of more than2.5%, subject to a phase-in from January 1, 2016 through December 31, 2018. Failure to maintain the full amount of the buffer will result in restrictions on Ally’s ability to make capital distributions, including dividend payment and stock repurchases and redemptions, and to pay discretionary bonuses to executive officers. In addition to these new risk-based capital standards, U.S. Basel III subjects all U.S. banking organizations, including Ally, to a minimum Tier 1 leverage ratio of 4%, the denominator of which takes into account only on-balance sheet assets.

31

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

In addition to introducing new capital ratios, U.S. Basel III revises the eligibility criteria for regulatory capital instruments and provides for the phase-out of instruments that had previously been recognized as capital but that do not satisfy the new criteria. Subject to certain exceptions (e.g., for certain debt or equity issued to the U.S. government under the Emergency Economic Stabilization Act), trust preferred and other “hybrid” securities are no longer included in a BHC's Tier 1 capital as of January 1, 2016. Also, subject to a phase-in schedule, certain new items are deducted from Common Equity Tier 1 capital, and certain other deductions from regulatory capital have been modified. Among other things, U.S. Basel III requires significant investments in the common shares of unconsolidated financial institutions, mortgage servicing rights, and certain deferred tax assets that exceed specified individual and aggregate thresholds to be deducted from Common Equity Tier 1 capital. U.S. Basel III also revises the standardized approach for calculating risk-weighted assets by, among other things, modifying certain risk weights and introducing new methods for calculating risk-weighted assets for certain types of assets and exposures.

Ally is subject to the U.S. Basel III standardized approach for credit risk. It is not subject to the U.S. Basel III advanced approaches for credit risk. Ally is currently not subject to the U.S. market risk capital rule, which applies only to banking organizations with significant trading assets and liabilities.

On March 7, 2016, Ally Bank received approval from the Federal Reserve to become a state member bank. Ally Bank will now be regulated by the FRB through the Federal Reserve Bank of Chicago, as well as the Utah Department of Financial Institutions. In addition, in connection with the application for membership in the Federal Reserve System, Ally Bank made commitments to the FRB relating to capital, liquidity, and business plan requirements that are consistent with existing requirements pursuant to the Capital and Liquidity Maintenance Agreement (CLMA) that was entered into with the Federal Deposit Insurance Corporation including the requirement to maintain capital at a level such that its Tier 1 leverage ratio is at least 15%. For this purpose, the leverage ratio is determined in accordance with the FRB's regulations related to capital maintenance. As a requirement of Federal Reserve membership, on March 21, 2016, Ally Bank purchased $435 million of FRB stock.

Compliance with capital requirements is a strategic priority for Ally. We expect to be in compliance with all applicable requirements within the established timeframes.

The following table summarizes our capital ratios under the U.S. Basel III capital framework.

	March 31, 2016				December 31, 2015				Required minimum			Well-capitalized minimum
($ in millions)	Amount		Ratio		Amount		Ratio
Risk-based capital
Common Equity Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	12,656	9.47	%	$	12,507	9.21	%	4.50	%		(a)
Ally Bank	16,871		17.61		16,594		17.05		4.50			6.50	%
Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	15,462	11.57	%	$	15,077	11.10	%	6.00	%		6.00	%
Ally Bank	16,871		17.61		16,594		17.05		6.00			8.00
Total (to risk-weighted assets)
Ally Financial Inc.	$	17,363	13.00	%	$	17,005	12.52	%	8.00	%		10.00	%
Ally Bank	17,344		18.11		17,043		17.51		8.00			10.00
Tier 1 leverage (to adjusted quarterly average assets) (b)
Ally Financial Inc.	$	15,462	9.87	%	$	15,077	9.73	%	4.00	%		(a)
Ally Bank	16,871		15.25		16,594		15.38		15.00		(c)	5.00	%

(a) Currently, there is no ratio component for determining whether a BHC is "well-capitalized."

(b) Federal regulatory reporting guidelines require the calculation of adjusted quarterly average assets using a daily average methodology.

(c) Ally Bank has committed to the FRB to maintain a Tier 1 leverage ratio of at least 15%.

At March 31, 2016, Ally and Ally Bank were “well-capitalized” and met all capital requirements to which each was subject.

Capital Planning and Stress Tests

As a BHC with $50 billion or more of consolidated assets, Ally is required to conduct periodic company-run stress tests, is subject to an annual supervisory stress test conducted by the FRB, and must submit an annual capital plan to the FRB.

Ally’s capital plan must include a description of all planned capital actions over a nine-quarter planning horizon. The capital plan must also include a discussion of how Ally will maintain capital above the minimum regulatory capital ratios under baseline, adverse, and severely adverse economic scenarios, and serve as a source of strength to Ally Bank. The FRB must approve Ally's capital plan before Ally may take any capital action. Even with an approved capital plan, Ally must seek the approval of the FRB before making a capital distribution if, among other factors, Ally would not meet its regulatory capital requirements after making the proposed capital distribution.

32

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

In addition to the Series G preferred stock redemptions and Series A preferred stock repurchase that occurred during 2015, as part of the 2015 CCAR process, Ally also received approval to repurchase or redeem the remaining approximately $700 million of Series A preferred stock as well as $500 million of our Trust Preferred Securities. We plan to redeem the outstanding shares of Series A preferred stock, pursuant to a Notice of Redemption issued by Ally on April 14, 2016, but will indefinitely defer redemption of the Trust Preferred Securities in support of the TradeKing Group, Inc. acquisition announced on April 5, 2016. Refer to Note 26 to the Condensed Consolidated Financial Statements for additional information impacting these capital actions. No later than June 30, 2016, the FRB will either provide a notice of non-objection or object to our 2016 capital plan, which was submitted to the FRB on April 5, 2016, with planned capital actions including the initiation of a dividend on and repurchases of shares of our common stock.

19.    Derivative Instruments and Hedging Activities

We enter into interest rate, foreign-currency, and equity swaps, futures, forwards, options, and swaptions in connection with our market risk management activities. Derivative instruments are used to manage interest rate risk relating to specific groups of assets and liabilities, including automotive loan assets and debt. We use foreign exchange contracts to mitigate foreign-currency risk associated with foreign-currency-denominated debt, foreign exchange transactions, and our net investment in foreign subsidiaries. In addition, we also enter into equity option contracts to manage our exposure to the equity markets. Our primary objective for utilizing derivative financial instruments is to manage interest rate risk associated with our fixed- and variable-rate assets and liabilities, foreign exchange risks related to our foreign-currency denominated assets and liabilities, and market risks related to our investment portfolio and certain of our executive share-based compensation plans.

Interest Rate Risk

We monitor our mix of fixed- and variable-rate assets and liabilities. When it is cost-effective to do so, we may enter into interest rate swaps, forwards, futures, options, and swaptions to achieve our desired mix of fixed- and variable-rate assets and liabilities. We execute interest rate swaps, forwards, futures, options, and swaptions to modify our exposure to interest rate risk by converting certain fixed-rate instruments to a variable-rate and certain variable-rate instruments to a fixed-rate. We use a mix of both derivatives that qualify for hedge accounting treatment and economic hedges.

Derivatives qualifying for hedge accounting consist of receive-fixed swaps designated as fair value hedges of specific fixed-rate unsecured debt obligations, receive-fixed swaps designated as fair value hedges of specific fixed-rate Federal Home Loan Bank Advances and pay-fixed swaps designated as fair value hedges of specific portfolios of fixed-rate held-for-investment retail automotive loan assets. In 2015, we also had pay-fixed swaps designated as cash flow hedges of the expected future cash flows in the form of interest payments on certain outstanding variable-rate borrowings associated with our secured debt.

We also execute economic hedges, which consist of interest rate swaps and interest rate caps held to mitigate interest rate risk associated with our debt portfolio. We also use interest rate swaps to economically hedge our net fixed-versus-variable interest rate exposure. We enter into economic hedges in the form of short-dated, exchange-traded Eurodollar futures to hedge the interest rate exposure of our fixed-rate automotive loans, as well as forwards, options, and swaptions to economically hedge our net fixed-versus-variable interest rate exposure.

Foreign Exchange Risk

We enter into derivative financial instrument contracts to mitigate the risk associated with variability in cash flows related to our various foreign-currency exposures.

We enter into foreign-currency forwards with external counterparties as net investment hedges of foreign exchange exposure on our investments in foreign subsidiaries. Our equity is impacted by the cumulative translation adjustments resulting from the translation of foreign subsidiary results; this impact is reflected in our accumulated other comprehensive (loss) income.

We also enter into foreign-currency forwards to economically hedge our foreign-denominated debt, our centralized lending program, and foreign-denominated third party loans. The hedge of foreign-denominated debt was entered into concurrent with the debt issuance with the terms of the derivative matching the terms of the underlying debt. The centralized lending program manages liquidity for our subsidiary businesses, but as of March 31, 2016, this activity is immaterial. Foreign-currency-denominated loan agreements are executed with our foreign subsidiaries in their local currencies. We evaluate our foreign-currency exposure resulting from intercompany lending and manage our currency risk exposure by entering into foreign-currency derivatives with external counterparties. Our remaining foreign-currency derivatives, such as hedges of foreign-denominated third party loans, are recorded at fair value with changes recorded as income offsetting the gains and losses on the associated foreign-currency transactions.

We utilized a cross-currency swap to economically hedge foreign exchange exposure on foreign-currency-denominated debt by converting the funding currency to our functional currency. This swap was entered into concurrent with the debt issuance with the terms of the derivative matching the terms of the underlying debt. This swap matured during the second quarter of 2015.

Market Risk

We enter into equity options to economically hedge our exposure to the equity markets. We purchase options to assume a long position on certain equities and write options to assume a short position.

33

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

We also enter into prepaid equity forward contracts to economically hedge the price risk associated with certain of our executive share-based compensation plans. The prepaid equity forward contracts are hybrid instruments containing an embedded forward contract, which is considered a derivative instrument. The embedded derivative instrument is bifurcated from the host contract and is recorded at fair value with changes in fair value recorded in compensation and benefits expense. The balance of the prepaid component of these equity forward contracts was $25 million as of March 31, 2016, and was recorded within other assets on the Condensed Consolidated Balance Sheet.

Counterparty Credit Risk

Derivative financial instruments contain an element of credit risk if counterparties are unable to meet the terms of the agreements. Credit risk associated with derivative financial instruments is measured as the net replacement cost should the counterparties that owe us under the contract completely fail to perform under the terms of those contracts, assuming no recoveries of underlying collateral as measured by the market value of the derivative financial instrument.

To mitigate the risk of counterparty default, we maintain collateral agreements with certain counterparties. The agreements require both parties to post collateral in the event the fair values of the derivative financial instruments meet posting thresholds established under the agreements. In the event that either party defaults on the obligation, the secured party may seize the collateral. Generally, our collateral arrangements are bilateral such that we and the counterparty post collateral for the value of our total obligation to each other. Contractual terms provide for standard and customary exchange of collateral based on changes in the market value of the outstanding derivatives. The securing party posts additional collateral when their obligation rises or removes collateral when it falls.

Certain derivative instruments contain provisions that require us to either post additional collateral or immediately settle any outstanding liability balances upon the occurrence of a specified credit risk-related event. No such specified credit risk related events occurred during the first quarter of 2016.

We placed cash collateral totaling $104 million and securities collateral totaling $78 million at March 31, 2016, and $103 million and $86 million at December 31, 2015, respectively, in accounts maintained by counterparties. This amount primarily relates to collateral posted to support our derivative positions. This amount also excludes cash and securities pledged as collateral under repurchase agreements. At March 31, 2016 and December 31, 2015, we placed cash collateral totaling $2 million and $21 million, respectively, with counterparties under collateral arrangements associated with repurchase agreements. Refer to Note 12 for details on the repurchase agreements. The receivables for cash collateral placed are included in our Condensed Consolidated Balance Sheet in other assets.

We received cash collateral from counterparties totaling $125 million at March 31, 2016 to support these derivative positions. We received cash collateral from counterparties totaling $82 million at December 31, 2015. This amount also excludes cash and securities pledged as collateral under repurchase agreements. At March 31, 2016, we received cash collateral totaling $1 million from counterparties under collateral arrangements associated with repurchase agreements. Refer to Note 12 for details on the repurchase agreements. The payables for cash collateral received are included on our Condensed Consolidated Balance Sheet in accrued expenses and other liabilities. In certain circumstances, we receive or post securities as collateral with counterparties. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met. At March 31, 2016, and December 31, 2015, we received noncash collateral of $3 million and $7 million, respectively. Included in these amounts is noncash collateral where we have been granted the right to sell or pledge the underlying assets. We have not sold or pledged any of the noncash collateral received under these agreements.

34

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Balance Sheet Presentation

The following table summarizes the fair value amounts of derivative instruments reported on our Condensed Consolidated Balance Sheet. The fair value amounts are presented on a gross basis, are segregated by derivatives that are designated and qualifying as hedging instruments or those that are not, and are further segregated by type of contract within those two categories. Notional amounts are reference amounts from which contractual obligations are derived and are not recorded on the balance sheet. In our view, derivative notional is not an accurate measure of our derivative exposure when viewed in isolation from other factors, such as market rate fluctuations and counterparty credit risk.

	March 31, 2016						December 31, 2015
	Derivative contracts in a				Notional amount		Derivative contracts in a				Notional amount
($ in millions)	receivable position (a)		payable position (b)				receivable position (a)		payable position (b)
Derivatives designated as accounting hedges
Interest rate contracts
Swaps (c) (d) (e)	$	154	$	18	$	10,698	$	126	$	9	$	14,151
Foreign exchange contracts
Forwards	—		6		222		—		1		189
Total derivatives qualifying for hedge accounting	154		24		10,920		126		10		14,340
Derivatives not designated as accounting hedges
Interest rate contracts
Swaps	33		55		4,979		30		51		6,101
Futures and forwards	3		3		1,875		2		2		1,905
Written options	—		33		17,539		—		72		18,220
Purchased options	33		—		17,539		73		—		18,240
Total interest rate risk	69		91		41,932		105		125		44,466
Foreign exchange contracts
Futures and forwards	1		3		159		—		—		278
Total foreign exchange risk	1		3		159		—		—		278
Equity contracts
Forwards	—		6		25		—		9		32
Written options	—		—		—		—		1		—
Purchased options	—		—		—		2		—		—
Total equity risk	—		6		25		2		10		32
Total Derivatives not designated as accounting hedges	70		100		42,116		107		135		44,776
Total derivatives	$	224	$	124	$	53,036	$	233	$	145	$	59,116

(a) Derivative contracts in a receivable position are classified as other assets on the Condensed Consolidated Balance Sheet, and includes accrued interest of $15 million and $46 million at March 31, 2016, and December 31, 2015, respectively.

(b) Derivative contracts in a liability position are classified as accrued expenses and other liabilities on the Condensed Consolidated Balance Sheet, and includes accrued interest of $5 million and $12 million at March 31, 2016, and December 31, 2015, respectively.

(c) Includes fair value hedges consisting of receive-fixed swaps on fixed-rate unsecured debt obligations with $142 million and $112 million in a receivable position, $0 million and $3 million in a payable position, and a $3.9 billion and $6.8 billion notional amount at March 31, 2016, and December 31, 2015, respectively. Of the hedge notional amount at March 31, 2016, $2.1 billion is associated with debt maturing in five or more years.

(d) Includes fair value hedges consisting of receive-fixed swaps on fixed-rate secured debt obligations (FHLB Advances) with $11 million and $1 million in a receivable position, $0 million and $2 million in a payable position, and a $700 million and $500 million notional amount at March 31, 2016, and December 31, 2015, respectively.

(e) Other fair value hedges include pay-fixed swaps on portfolios of held-for-investment automotive loan assets with $1 million and $13 million in a receivable position, $18 million and $3 million in a payable position, and a $6.0 billion and $6.8 billion notional amount at March 31, 2016, and December 31, 2015, respectively.

35

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Statement of Comprehensive Income Presentation

The following table summarizes the location and amounts of gains and losses on derivative instruments reported in our Condensed Consolidated Statement of Comprehensive Income.

	Three months ended March 31,
($ in millions)	2016			2015
Derivatives qualifying for hedge accounting
(Loss) gain recognized in earnings on derivatives
Interest rate contracts
Interest and fees on finance receivables and loans (a)	$	(28	)	$	(23	)
Interest on long-term debt (b) (c)	191			86
Gain (loss) recognized in earnings on hedged items
Interest rate contracts
Interest and fees on finance receivables and loans (d)	28			33
Interest on long-term debt (e)	(196		)	(87		)
Total derivatives qualifying for hedge accounting	(5		)	9
Derivatives not designated as accounting hedges
(Loss) gain recognized in earnings on derivatives
Interest rate contracts
Loss on mortgage and automotive loans, net	—			(2		)
Other income, net of losses	2			(12		)
Total interest rate contracts	2			(14		)
Foreign exchange contracts (f)
Interest on long-term debt	(1		)	(143		)
Other income, net of losses	(4		)	11
Total foreign exchange contracts	(5		)	(132		)
Equity contracts
Compensation and benefits expense	(1		)	(6		)
Total equity contracts	(1		)	(6		)
Loss recognized in earnings on derivatives	$	(9	)	$	(143	)

(a) Amounts exclude losses related to interest for qualifying accounting hedges of retail automotive loans held-for-investment, which are primarily offset by the fixed coupon payments of the loans. The losses were $7 million and $17 million for the three months endedMarch 31, 2016, and 2015, respectively.

(b) Amounts exclude gains related to interest for qualifying accounting hedges of unsecured debt, which are primarily offset by the fixed coupon payment on the long-term debt. The gains were $16 million and $23 million for the three months endedMarch 31, 2016, and 2015, respectively.

(c) Amounts exclude gains related to interest for qualifying accounting hedges of secured debt (FHLB Advances), which are primarily offset by the fixed coupon payment on the long-term debt. The gains were $1 million for the three months endedMarch 31, 2016.

(d) Amounts exclude losses related to amortization of deferred loan basis adjustments on the de-designated hedged item of $5 million for the three months endedMarch 31, 2016.

(e) Amounts exclude gains related to amortization of deferred debt basis adjustments on the de-designated hedged item of $18 million and $28 million for the three months endedMarch 31, 2016, and 2015, respectively.

(f) Amounts exclude gains related to the revaluation of the related foreign-denominated debt or receivable of $4 million and $134 million for the three months endedMarch 31, 2016, and 2015, respectively.

36

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The following table summarizes derivative instruments used in cash flow and net investment hedge accounting relationships.

	Three months ended March 31,
($ in millions)	2016			2015
Foreign exchange contracts
Loss reclassified from accumulated other comprehensive loss to income from discontinued operations, net	$	—		$	(4	)
Total loss from discontinued operations, net	$	—		$	(4	)
(Loss) gain recognized in other comprehensive income (a)	$	(6	)	$	22

(a) The amounts represent the effective portion of net investment hedges. There are offsetting amounts recognized in accumulated other comprehensive (loss) income related to the revaluation of the related net investment in foreign operations, including the tax impacts of the hedge and related net investment, as disclosed separately in Note 16. There were gains of $11 million and losses of $43 million for the three months endedMarch 31, 2016, and 2015, respectively.

20.    Income Taxes

We recognized total income tax expense from continuing operations of $150 million for the three months endedMarch 31, 2016, compared to income tax expense of $103 million for the same period in 2015. The increase in income tax expense for the three months ended March 31, 2016, compared to the same period in 2015, was primarily driven by tax attributable to pre-tax earnings and a nonrecurring benefit from the release of our valuation allowance on capital loss carryforwards utilized against 2015 capital gains.

As of each reporting date, we consider existing evidence, both positive and negative, that could impact our view with regard to future realization of deferred tax assets. We continue to believe it is more likely than not that the benefit for certain foreign tax credits and state net operating loss carryforwards will not be realized. In recognition of this risk, we continue to provide a partial valuation allowance on the deferred tax assets relating to these carryforwards.

It is reasonably possible the unrecognized tax benefits disclosed in our Annual Report on Form 10-K for the year ended December 31, 2015, will decrease by up to $180 million over the next 12 months if certain tax matters ultimately settle with the applicable taxing jurisdiction as anticipated.

21.    Fair Value

Fair Value Measurements

For purposes of this disclosure, fair value is defined as the exchange price that would be received to sell an asset or paid to transfer a liability (exit price) in the principal or most advantageous market in an orderly transaction between market participants at the measurement date under current market conditions. Fair value is based on the assumptions market participants would use when pricing an asset or liability. Additionally, entities are required to consider all aspects of nonperformance risk, including the entity’s own credit standing, when measuring the fair value of a liability.

GAAP specifies a three-level hierarchy that is used when measuring and disclosing fair value. The fair value hierarchy gives the highest priority to quoted prices available in active markets (i.e., observable inputs) and the lowest priority to data lacking transparency (i.e., unobservable inputs). An instrument’s categorization within the fair value hierarchy is based on the lowest level of significant input to its valuation. The following is a description of the three hierarchy levels.

Level 1 Inputs are quoted prices in active markets for identical assets or liabilities at the measurement date. Additionally, the entity must have the ability to access the active market, and the quoted prices cannot be adjusted by the entity.

Level 2 Inputs are other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices in active markets for similar assets or liabilities; quoted prices in inactive markets for identical or similar assets or liabilities; or inputs that are observable or can be corroborated by observable market data by correlation or other means for substantially the full term of the assets or liabilities.

Level 3 Unobservable inputs are supported by little or no market activity. The unobservable inputs represent management's best assumptions of how market participants would price the assets or liabilities. Generally, Level 3 assets and liabilities are valued using pricing models, discounted cash flow methodologies, or similar techniques that require significant judgment or estimation.

Transfers Transfers into or out of any hierarchy level are recognized at the end of the reporting period in which the transfer occurred. There were no transfers between any levels for the three months endedMarch 31, 2016.

Following are descriptions of the valuation methodologies used to measure material assets and liabilities at fair value and details of the valuation models, key inputs to those models, and significant assumptions utilized.

• Available-for-sale securities — All classes of available-for-sale securities are carried at fair value based on observable market prices, when available. If observable market prices are not available, our valuations are based on internally developed discounted

37

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

cash flow models (an income approach) that use a market-based discount rate and consider recent market transactions, experience with similar securities, current business conditions, and analysis of the underlying collateral, as available. To estimate cash flows, we are required to utilize various significant assumptions including market observable inputs (e.g., forward interest rates) and internally developed inputs (including prepayment speeds, delinquency levels, and credit losses).

• Interests retained in financial asset sales — Includes certain noncertificated interests retained from the sale of automotive finance receivables. Due to inactivity in the market, valuations are based on internally developed discounted cash flow models (an income approach) that use a market-based discount rate; therefore, we classified these assets as Level 3. The valuation considers recent market transactions, experience with similar assets, current business conditions, and analysis of the underlying collateral, as available. To estimate cash flows, we utilize various significant assumptions, including market observable inputs (e.g., forward interest rates) and internally developed inputs (e.g., prepayment speeds, delinquency levels, and credit losses).

• Derivative instruments — We enter into a variety of derivative financial instruments as part of our risk management strategies. Certain of these derivatives are exchange traded, such as Eurodollar futures, options of Eurodollar futures, and equity options. To determine the fair value of these instruments, we utilize the quoted market prices for the particular derivative contracts; therefore, we classified these contracts as Level 1.

We also execute over-the-counter (OTC) and centrally-cleared derivative contracts, such as interest rate swaps, a cross-currency swap, swaptions, foreign-currency denominated forward contracts, prepaid equity forward contracts, caps, floors, and agency to-be-announced securities. For OTC contracts, we utilize third-party-developed valuation models that are widely accepted in the market to value these OTC derivative contracts. The specific terms of the contract and market observable inputs (such as interest rate forward curves, interpolated volatility assumptions, or equity pricing) are used in the model. We classified these OTC derivative contracts as Level 2 because all significant inputs into these models were market observable. For centrally-cleared contracts, we utilize unadjusted prices obtained from the clearing house as the basis for valuation, and they are also classified as Level 2. We did not have any derivative instruments classified as Level 3 as of March 31, 2016, or December 31, 2015.

We are required to consider all aspects of nonperformance risk, including our own credit standing, when measuring fair value of a liability. We reduce credit risk on the majority of our derivatives by entering into legally enforceable agreements that enable the posting and receiving of collateral associated with the fair value of our derivative positions on an ongoing basis. In the event that we do not enter into legally enforceable agreements that enable the posting and receiving of collateral, we will consider our credit risk and the credit risk of our counterparties in the valuation of derivative instruments through a credit valuation adjustment (CVA), if warranted. The CVA calculation utilizes the credit default swap spreads of the counterparty.

38

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Recurring Fair Value

The following tables display the assets and liabilities measured at fair value on a recurring basis including financial instruments elected for the fair value option. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The tables below display the hedges separately from the hedged items; therefore, they do not directly display the impact of our risk management activities.

	Recurring fair value measurements
March 31, 2016($ in millions)	Level 1			Level 2			Level 3		Total
Assets
Investment securities
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	356		$	—		$	—	$	356
U.S. States and political subdivisions	—			743			—		743
Foreign government	11			180			—		191
Mortgage-backed residential	—			12,313			—		12,313
Mortgage-backed commercial	—			500			—		500
Asset-backed	—			1,781			—		1,781
Corporate debt	—			1,580			—		1,580
Total debt securities	367			17,097			—		17,464
Equity securities (a)	716			—			—		716
Total available-for-sale securities	1,083			17,097			—		18,180
Other assets
Interests retained in financial asset sales	—			—			31		31
Derivative contracts in a receivable position (b)
Interest rate	3			220			—		223
Foreign currency	—			1			—		1
Total derivative contracts in a receivable position	3			221			—		224
Total assets	$	1,086		$	17,318		$	31	$	18,435
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position (b)
Interest rate	$	(3	)	$	(106	)	$	—	$	(109	)
Foreign currency	—			(9		)	—		(9		)
Other	—			(6		)	—		(6		)
Total derivative contracts in a payable position	(3		)	(121		)	—		(124		)
Total liabilities	$	(3	)	$	(121	)	$	—	$	(124	)

(a) Our investment in any one industry did not exceed 15%.

(b) For additional information on derivative instruments and hedging activities, refer to Note 19.

39

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

	Recurring fair value measurements
December 31, 2015 ($ in millions)	Level 1			Level 2			Level 3		Total
Assets
Investment securities
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	1,469		$	272		$	—	$	1,741
U.S. States and political subdivisions	—			716			—		716
Foreign government	10			167			—		177
Mortgage-backed residential	—			10,366			—		10,366
Mortgage-backed commercial	—			481			—		481
Asset-backed	—			1,755			—		1,755
Corporate debt	—			1,204			—		1,204
Total debt securities	1,479			14,961			—		16,440
Equity securities (a)	717			—			—		717
Total available-for-sale securities	2,196			14,961			—		17,157
Other assets
Interests retained in financial asset sales	—			—			40		40
Derivative contracts in a receivable position (b)
Interest rate	2			229			—		231
Other	2			—			—		2
Total derivative contracts in a receivable position	4			229			—		233
Total assets	$	2,200		$	15,190		$	40	$	17,430
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position (b)
Interest rate	$	(2	)	$	(133	)	$	—	$	(135	)
Foreign currency	—			(1		)	—		(1		)
Other	(1		)	(8		)	—		(9		)
Total derivative contracts in a payable position	(3		)	(142		)	—		(145		)
Total liabilities	$	(3	)	$	(142	)	$	—	$	(145	)

(a) Our investment in any one industry did not exceed 14%.

(b) For additional information on derivative instruments and hedging activities, refer to Note 19.

The following tables present the reconciliation for all Level 3 assets and liabilities measured at fair value on a recurring basis. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The Level 3 items presented below may be hedged by derivatives and other financial instruments that are classified as Level 1 or Level 2. Thus, the following tables do not fully reflect the impact of our risk management activities.

	Level 3 recurring fair value measurements
			Net realized/unrealized gains														Fair value at March 31, 2016		Net unrealized gains included in earnings still held at March 31, 2016
($ in millions)	Fair value at January 1, 2016		included in earnings			included in OCI		Purchases		Sales		Issuances		Settlements
Assets
Other assets
Interests retained in financial asset sales	$	40	$	2	(a)	$	—	$	—	$	4	$	—	$	(15	)	$	31	$	—
Total assets	$	40	$	2		$	—	$	—	$	4	$	—	$	(15	)	$	31	$	—

(a) Reported as other income, net of losses, in the Condensed Consolidated Statement of Comprehensive Income.

40

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

	Level 3 recurring fair value measurements
	Fair value at January 1, 2015		Net realized/unrealized gains					Purchases		Sales		Issuances		Settlements			Fair value at March 31, 2015		Net unrealized gains included in earnings still held at March 31, 2015
($ in millions)			included in earnings			included in OCI
Assets
Mortgage loans held-for-sale, net	$	3	$	—		$	—	$	—	$	—	$	—	$	—		$	3	$	—
Other assets
Interests retained in financial asset sales	47		3		(a)	—		—		—		1		(9		)	42		—
Total assets	$	50	$	3		$	—	$	—	$	—	$	1	$	(9	)	$	45	$	—

(a)    Reported as other income, net of losses, in the Condensed Consolidated Statement of Comprehensive Income.

Nonrecurring Fair Value

We may be required to measure certain assets and liabilities at fair value from time to time. These periodic fair value measures typically result from the application of lower-of-cost or fair value accounting or certain impairment measures. These items would constitute nonrecurring fair value measures.

The following tables display the assets and liabilities measured at fair value on a nonrecurring basis.

	Nonrecurring fair value measurements								Lower-of-cost or fair value or valuation reserve allowance			Total gain included in earnings for the three months ended
March 31, 2016($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale, net	$	—	$	—	$	39	$	39	$	—		n/m	(a)
Commercial finance receivables and loans, net (b)
Automotive	—		—		17		17		(3		)	n/m	(a)
Other	—		—		28		28		(15		)	n/m	(a)
Total commercial finance receivables and loans, net	—		—		45		45		(18		)	n/m	(a)
Other assets
Repossessed and foreclosed assets (c)	—		—		12		12		(3		)	n/m	(a)
Other	—		—		6		6		—			n/m	(a)
Total assets	$	—	$	—	$	102	$	102	$	(21	)	n/m

n/m = not meaningful

(a) We consider the applicable valuation or loan loss allowance to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation or loan loss allowance.

(b) Represents the portion of the portfolio specifically impaired during 2016. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(c) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

41

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

	Nonrecurring fair value measurements								Lower-of-cost or fair value or valuation reserve allowance			Total gain included in earnings for the three months ended
March 31, 2015 ($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale
Automotive	$	—	$	—	$	1,500	$	1,500	$	(8	)	n/m	(a)
Mortgage	—		—		28		28		(5		)	n/m	(a)
Other	—		—		17		17		—			n/m	(a)
Total loans held-for-sale	—		—		1,545		1,545		(13		)	n/m	(a)
Commercial finance receivables and loans, net (b)
Automotive	—		—		26		26		(7		)	n/m	(a)
Other	—		—		18		18		(8		)	n/m	(a)
Total commercial finance receivables and loans, net	—		—		44		44		(15		)	n/m	(a)
Other assets
Repossessed and foreclosed assets (c)	—		—		8		8		(2		)	n/m	(a)
Other	—		—		2		2		—			n/m	(a)
Total assets	$	—	$	—	$	1,599	$	1,599	$	(30	)	n/m

n/m = not meaningful

(a) We consider the applicable valuation or loan loss allowance to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation or loan loss allowance.

(b) Represents the portion of the portfolio specifically impaired during 2015. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(c) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

The following table presents quantitative information regarding the significant unobservable inputs used in significant Level 3 assets measured at fair value on a nonrecurring basis.

March 31, 2015 ($ in millions)	Level 3 nonrecurring measurements		Valuation technique	Unobservable input	Weighted average/range
Assets
Automotive loans held-for-sale, net	$	1,500	Discounted cash flow	Prepayment rate	1.30%
				Gross loss	0-4.80%
				Credit spread	0.58%

Fair Value Option for Financial Assets

We elected the fair value option for an insignificant amount of conforming and government-insured mortgage loans held-for-sale. We elected the fair value option to mitigate earnings volatility by better matching the accounting for the assets with the related hedges. Our intent in electing fair value measurement was to mitigate a divergence between accounting losses and economic exposure for certain assets and liabilities.

42

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Fair Value of Financial Instruments

The following table presents the carrying and estimated fair value of financial instruments, except for those recorded at fair value on a recurring basis presented in the previous section of this Note titled Recurring Fair Value. When possible, we use quoted market prices to determine fair value. Where quoted market prices are not available, the fair value is internally derived based on appropriate valuation methodologies with respect to the amount and timing of future cash flows and estimated discount rates. However, considerable judgment is required in interpreting current market data to develop the market assumptions and inputs necessary to estimate fair value. As such, the actual amount received to sell an asset or the amount paid to settle a liability could differ from our estimates. Fair value information presented herein was based on information available at March 31, 2016, and December 31, 2015.

			Estimated fair value
($ in millions)	Carrying value		Level 1		Level 2		Level 3		Total
March 31, 2016
Financial assets
Held-to-maturity securities	$	118	$	—	$	118	$	—	$	118
Loans held-for-sale, net	39		—		—		39		39
Finance receivables and loans, net	109,799		—		—		110,596		110,596
Nonmarketable equity investments	733		—		706		42		748
Financial liabilities
Deposit liabilities	$	70,265	$	—	$	—	$	70,849	$	70,849
Short-term borrowings	5,365		—		—		5,365		5,365
Long-term debt	62,044		—		22,252		41,463		63,715
December 31, 2015
Financial assets
Loans held-for-sale, net	$	105	$	—	$	—	$	105	$	105
Finance receivables and loans, net	110,546		—		—		110,737		110,737
Nonmarketable equity investments	418		—		391		42		433
Financial liabilities
Deposit liabilities	$	66,478	$	—	$	—	$	66,889	$	66,889
Short-term borrowings	8,101		—		—		8,102		8,102
Long-term debt	66,234		—		23,018		45,157		68,175

The following describes the methodologies and assumptions used to determine fair value for the significant classes of financial instruments. In addition to the valuation methods discussed below, we also followed guidelines for determining whether a market was not active and a transaction was not distressed. We assumed the price that would be received in an orderly transaction (including a market-based return) and not in forced liquidation or distressed sale.

• Cash and cash equivalents — Included in cash and cash equivalents are highly liquid investments that are readily convertible to known amounts of cash and which are subject to an insignificant risk of change in value due to interest rate, quoted price, or penalty on withdrawal. Classified as Level 1 under the fair value hierarchy, cash and cash equivalents generally expose us to limited credit risk and are so near maturity that they present insignificant risk of changes in value because of changes in interest rates. Accordingly, the carrying value approximates the fair value of these instruments.

• Held-to-maturity securities — Held-to-maturity securities, which consist of residential mortgage-backed debt securities, are carried at amortized cost. For fair value disclosure purposes, held-to-maturity securities are classified as Level 2, with fair value based on observable market prices, when available.

• Finance receivables and loans, net — With the exception of mortgage loans held-for-investment, the fair value of finance receivables and loans was based on discounted future cash flows using applicable spreads to approximate current rates applicable to each category of finance receivables and loans (an income approach using Level 3 inputs). The carrying value of commercial receivables in certain markets and certain automotive and other receivables for which interest rates reset on a short-term basis with applicable market indices are assumed to approximate fair value either because of the short-term nature or because of the interest rate adjustment feature. The fair value of commercial receivables in other markets was based on discounted future cash flows using applicable spreads to approximate current rates applicable to similar assets in those markets.

43

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The fair value of mortgage loans held-for-investment was based on a discounted cash flow basis utilizing cash flow projections from internally developed models that utilized prepayment, default, and discount rate assumptions. These valuations consider unique attributes of the loans such as geography, delinquency status, product type, and other factors.

• Nonmarketable equity investments — Nonmarketable equity investments primarily include investments in FHLB and FRB stock and other equity investments carried at cost. As a member of the FHLB and FRB, Ally Bank is required to hold FHLB and FRB stock. The stock can be sold only to the FHLB and FRB upon termination of membership, or redeemed at the sole discretion of the FHLB and FRB, respectively. The fair value of FHLB and FRB stock is equal to the stock’s par value since the stock is bought, sold, and/or redeemed at par. FHLB and FRB stock is carried at cost, which generally represents the stock’s par value.

• Deposit liabilities — Deposit liabilities represent certain consumer and brokered bank deposits, mortgage escrow deposits, and dealer deposits. The fair value of deposits at Level 3 were estimated by discounting projected cash flows based on discount factors derived from the forward interest rate swap curve.

• Short-term borrowings and Long-term debt — Level 2 debt was valued using quoted market prices for similar instruments, when available, or other means for substantiation with observable inputs. Debt valued by discounting projected cash flows using internally derived inputs, such as prepayment speeds and discount rates, was classified as Level 3.

• Financial instruments for which carrying value approximates fair value — Certain financial instruments that are not carried at fair value on the consolidated balance sheet are carried at amounts that approximate fair value primarily due to their short term nature and limited credit risk. These instruments include restricted cash, cash collateral, accrued interest receivable, accrued interest payable, trade receivables and payables, and other short term receivables and payables.

22.    Offsetting Assets and Liabilities

Our derivative contracts and repurchase/reverse repurchase transactions are supported by qualifying master netting and master repurchase agreements. These agreements are legally enforceable bilateral agreements that (1) create a single legal obligation for all individual transactions covered by the agreement to the nondefaulting entity upon an event of default of the counterparty, including bankruptcy, insolvency, or similar proceeding, and (2) provide the nondefaulting entity the right to accelerate, terminate, and close-out on a net basis all transactions under the agreement and to liquidate or set off collateral promptly upon an event of default of the counterparty.

To further mitigate the risk of counterparty default related to derivative instruments, we maintain collateral agreements with certain counterparties. The agreements require both parties to maintain collateral in the event the fair values of the derivative financial instruments meet established thresholds. In the event that either party defaults on the obligation, the secured party may seize the collateral. Generally, our collateral arrangements are bilateral such that we and the counterparty post collateral for the value of our total obligation to each other. Contractual terms provide for standard and customary exchange of collateral based on changes in the market value of the outstanding derivatives. The securing party posts additional collateral when their obligation rises or removes collateral when it falls, such that the net replacement cost of the nondefaulting party is covered in the event of counterparty default.

In certain instances as it relates to our derivative instruments, we have the option to report derivative assets and liabilities as well as assets and liabilities associated with cash collateral received or delivered that is governed by a master netting agreement on a net basis as long as certain qualifying criteria are met. Similarly, for our repurchase/reverse repurchase transactions, we have the option to report recognized assets and liabilities subject to a master netting agreement on a net basis if certain qualifying criteria are met. At March 31, 2016, these instruments are reported as gross assets and gross liabilities on the Condensed Consolidated Balance Sheet.

44

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

The composition of offsetting derivative instruments, financial assets, and financial liabilities was as follows.

	Gross Amounts of Recognized Assets/(Liabilities)			Gross Amounts Offset in the Condensed Consolidated Balance Sheet		Net Amounts of Assets/(Liabilities) Presented in the Condensed Consolidated Balance Sheet
									Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet
March 31, 2016 ($ in millions)									Financial Instruments			Collateral  (a) (b) (c)			Net Amount
Assets
Derivative assets in net asset positions	$	219		$	—	$	219		$	(55	)	$	(123	)	$	41
Derivative assets in net liability positions	5			—		5			(5		)	—			—
Total assets (d)	$	224		$	—	$	224		$	(60	)	$	(123	)	$	41
Liabilities
Derivative liabilities in net liability positions	$	(63	)	$	—	$	(63	)	$	5		$	25		$	(33	)
Derivative liabilities in net asset positions	(55		)	—		(55		)	55			—			—
Derivative liabilities with no offsetting arrangements	(6		)	—		(6		)	—			—			(6		)
Total derivative liabilities (d)	(124		)	—		(124		)	60			25			(39		)
Securities sold under agreements to repurchase (e)	(725		)	—		(725		)	—			725			—
Total liabilities	$	(849	)	$	—	$	(849	)	$	60		$	750		$	(39	)

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. $3 million of noncash derivative collateral pledged to us was excluded at March 31, 2016. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $3 million at March 31, 2016. We have not sold or pledged any of the noncash collateral received under these agreements as of March 31, 2016.

(d) For additional information on derivative instruments and hedging activities, refer to Note 19.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

45

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

	Gross Amounts of Recognized Assets/(Liabilities)			Gross Amounts Offset in the Condensed Consolidated Balance Sheet		Net Amounts of Assets/(Liabilities) Presented in the Condensed Consolidated Balance Sheet
									Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet
December 31, 2015 ($ in millions)									Financial Instruments			Collateral (a) (b) (c)			Net Amount
Assets
Derivative assets in net asset positions	$	224		$	—	$	224		$	(69	)	$	(67	)	$	88
Derivative assets in net liability positions	9			—		9			(9		)	—			—
Total assets (d)	$	233		$	—	$	233		$	(78	)	$	(67	)	$	88
Liabilities
Derivative liabilities in net liability positions	$	(68	)	$	—	$	(68	)	$	9		$	2		$	(57	)
Derivative liabilities in net asset positions	(69		)	—		(69		)	69			—			—
Derivative liabilities with no offsetting arrangements	(8		)	—		(8		)	—			—			(8		)
Total derivative liabilities (d)	(145		)	—		(145		)	78			2			(65		)
Securities sold under agreements to repurchase (e)	(648		)	—		(648		)	—			648			—
Total liabilities	$	(793	)	$	—	$	(793	)	$	78		$	650		$	(65	)

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. $7 million of noncash derivative collateral pledged to us was excluded at December 31, 2015. We do not record such collateral received on our Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $7 million at December 31, 2015. We have not sold or pledged any of the noncash collateral received under these agreements as of December 31, 2015.

(d) For additional information on derivative instruments and hedging activities, refer to Note 19.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

23.    Segment and Geographic Information

Operating segments are defined as components of an enterprise that engage in business activity from which revenues are earned and expenses incurred for which discrete financial information is available that is evaluated regularly by our chief operating decision maker in deciding how to allocate resources and in assessing performance.

Change in Reportable Segments

As a result of a change in how management views and operates our business, during the first quarter of 2016, we made changes in the composition of our operating segments. Financial information related to our Corporate Finance business is now presented as a separate reportable segment. Previously, all such activity was included in Corporate and Other. Additionally, only the activity of our ongoing bulk acquisitions of mortgage loans and other originations and refinancing is now presented in Mortgage Finance operations. The activity related to the management of our legacy mortgage portfolio is now included in Corporate and Other. Our other operating segments, Automotive Finance operations and Insurance operations, remained unchanged. Amounts for 2015 have been adjusted to conform to the current management view.

We report our results of operations on a line-of-business basis through four operating segments: Automotive Finance operations, Insurance operations, Mortgage Finance operations, and Corporate Finance operations, with the remaining activity reported in Corporate and Other. The operating segments are determined based on the products and services offered, and reflect the manner in which financial information is currently evaluated by management. The following is a description of each of our reportable operating segments.

Automotive Finance operations— Provides automotive financing services to consumers and automotive dealers. Our automotive financing services include providing retail installment sales financing, loans, and leases; offering term loans to dealers, financing dealer floorplans and other lines of credit to dealers; fleet financing, and vehicle remarketing services.

Insurance operations — Offer both consumer finance protection and insurance products sold primarily through the automotive dealer channel, and commercial insurance products sold to dealers. As part of our focus on offering dealers a broad range of consumer financial and insurance products, we provide vehicle service contracts, maintenance coverage, and guaranteed asset protection products. We also underwrite selected commercial insurance coverages, which primarily insure dealers' vehicle inventories.

46

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Mortgage Finance operations — Includes the management of a held-for-investment consumer mortgage finance loan portfolio and includes the execution of bulk purchases of high-quality jumbo and low-to-moderate income mortgage loans originated by third parties.

Corporate Finance operations — Provides senior secured leveraged cash flow and asset-based loans primarily to U.S.-based middle market companies. The loans are used to support leveraged buyouts, mergers and acquisitions, debt refinancing, restructurings, and working capital.

Corporate and Other primarily consists of activity related to centralized corporate treasury activities such as management of the cash and corporate investment securities and loan portfolios, short- and long-term debt, retail and brokered deposit liabilities, derivative instruments, the amortization of the discount associated with new debt issuances and bond exchanges, and the residual impacts of our corporate funds-transfer pricing (FTP) and treasury asset liability management (ALM) activities. Corporate and Other also includes certain equity investments, the management of our legacy mortgage portfolio, and reclassifications and eliminations between the reportable operating segments.

We utilize an FTP methodology for the majority of our business operations. The FTP methodology assigns charge rates and credit rates to classes of assets and liabilities based on expected duration and the benchmark rate curve plus an assumed credit spread. Matching duration allocates interest income and interest expense to these reportable segments so their respective results are insulated from interest rate risk. This methodology is consistent with our ALM practices, which includes managing interest rate risk centrally at a corporate level. The net residual impact of the FTP methodology is included within the results of Corporate and Other.

The information presented in our reportable operating segments and geographic areas tables that follow are based in part on internal allocations, which involve management judgment.

Financial information for our reportable operating segments is summarized as follows.

Three months ended March 31, ($ in millions)	Automotive Finance operations		Insurance operations		Mortgage Finance operations		Corporate Finance operations			Corporate and Other			Consolidated (a)
2016
Net financing revenue (loss)	$	896	$	14	$	20	$	28		$	(7	)	$	951
Other revenue	77		254		—		6			39			376
Total net revenue	973		268		20		34			32			1,327
Provision for loan losses	209		—		3		6			2			220
Total noninterest expense	427		218		15		17			33			710
Income (loss) from continuing operations before income tax expense	$	337	$	50	$	2	$	11		$	(3	)	$	397
Total assets	$	112,289	$	7,194	$	7,493	$	2,839		$	26,690		$	156,505
2015
Net financing revenue (loss)	$	809	$	12	$	11	$	20		$	(2	)	$	850
Other revenue (loss)	52		268		—		6			(83		)	243
Total net revenue (loss)	861		280		11		26			(85		)	1,093
Provision for loan losses	127		—		2		(5		)	(8		)	116
Total noninterest expense	428		202		8		14			43			695
Income (loss) from continuing operations before income tax expense	$	306	$	78	$	1	$	17		$	(120	)	$	282
Total assets	$	111,149	$	7,242	$	3,941	$	1,976		$	29,016		$	153,324

(a) Net financing revenue after the provision for loan losses totaled $731 million and $734 million for the three months endedMarch 31, 2016, and 2015, respectively.

47

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Information concerning principal geographic areas was as follows.

Three months ended March 31, ($ in millions)	Revenue (a)		Income from continuing operations before income tax expense		Net income (loss) (b)
2016
Canada	$	21	$	10	$	8
Europe	—		—		(1		)
Total foreign (c)	21		10		7
Total domestic (d)	1,306		387		243
Total	$	1,327	$	397	$	250
2015
Canada	$	24	$	11	$	8
Europe	1		4		11
Asia-Pacific	—		—		452
Total foreign (c)	25		15		471
Total domestic (d)	1,068		267		105
Total	$	1,093	$	282	$	576

(a) Revenue consists of net financing revenue and total other revenue as presented in our Condensed Consolidated Financial Statements.

(b) Gain (loss) realized on sale of discontinued operations are allocated to the geographic area in which the business operated.

(c) Our foreign operations as of March 31, 2016, and March 31, 2015, consist of our ongoing Insurance operations in Canada and our remaining international entities in wind-down.

(d) Amounts include eliminations between our domestic and foreign operations.

24.    Parent and Guarantor Condensed Consolidating Financial Statements

Certain of our senior notes issued by the parent are guaranteed by 100% directly owned subsidiaries of Ally (the Guarantors). As of March 31, 2016, the Guarantors include Ally US LLC and IB Finance Holding Company, LLC (IB Finance), each of which fully and unconditionally guarantee the senior notes on a joint and several basis.

The following financial statements present condensed consolidating financial data for (i) Ally Financial Inc. (on a parent company-only basis); (ii) the Guarantors; (iii) the nonguarantor subsidiaries (all other subsidiaries); and (iv) an elimination column for adjustments to arrive at (v) the information for the parent company, the Guarantors, and nonguarantors on a consolidated basis.

Investments in subsidiaries are accounted for by the parent company and the Guarantors using the equity-method for this presentation. Results of operations of subsidiaries are therefore classified in the parent company’s and Guarantors’ investment in subsidiaries accounts. The elimination entries set forth in the following condensed consolidating financial statements eliminate distributed and undistributed income of subsidiaries, investments in subsidiaries, and intercompany balances and transactions between the parent, the Guarantors, and nonguarantors.

48

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Condensed Consolidating Statements of Comprehensive Income

Three months ended March 31, 2016 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	(38	)	$	—	$	1,273		$	—		$	1,235
Interest and fees on finance receivables and loans — intercompany	3			—		2			(5		)	—
Interest and dividends on investment securities	—			—		102			—			102
Interest on cash and cash equivalents	1			—		2			—			3
Interest-bearing cash — intercompany	—			—		2			(2		)	—
Operating leases	5			—		764			—			769
Total financing revenue and other interest income	(29		)	—		2,145			(7		)	2,109
Interest expense
Interest on deposits	2			—		191			—			193
Interest on short-term borrowings	10			—		3			—			13
Interest on long-term debt	289			—		153			—			442
Interest on intercompany debt	4			—		3			(7		)	—
Total interest expense	305			—		350			(7		)	648
Depreciation expense on operating lease assets	4			—		506			—			510
Net financing (loss) revenue	(338		)	—		1,289			—			951
Cash dividends from subsidiaries
Nonbank subsidiaries	482			—		—			(482		)	—
Other revenue
Servicing fees	296			—		211			(494		)	13
Insurance premiums and service revenue earned	—			—		230			—			230
(Loss) gain on mortgage and automotive loans, net	(3		)	—		4			—			1
Loss on extinguishment of debt	(2		)	—		(2		)	—			(4		)
Other gain on investments, net	—			—		54			—			54
Other income, net of losses	78			—		6			(2		)	82
Total other revenue	369			—		503			(496		)	376
Total net revenue	513			—		1,792			(978		)	1,327
Provision for loan losses	60			—		160			—			220
Noninterest expense
Compensation and benefits expense	147			—		105			—			252
Insurance losses and loss adjustment expenses	—			—		73			—			73
Other operating expenses	340			—		542			(497		)	385
Total noninterest expense	487			—		720			(497		)	710
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	(34		)	—		912			(481		)	397
Income tax (benefit) expense from continuing operations	(43		)	—		193			—			150
Net (loss) income from continuing operations	9			—		719			(481		)	247
Income (loss) from discontinued operations, net of tax	6			—		(3		)	—			3
Undistributed income of subsidiaries
Bank subsidiary	270			270		—			(540		)	—
Nonbank subsidiaries	(35		)	—		—			35			—
Net income	250			270		716			(986		)	250
Other comprehensive income, net of tax	146			84		151			(235		)	146
Comprehensive income	$	396		$	354	$	867		$	(1,221	)	$	396

49

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Three months ended March 31, 2015 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	4		$	—	$	1,070		$	—		$	1,074
Interest and fees on finance receivables and loans — intercompany	10			—		16			(26		)	—
Interest on loans held-for-sale	—			—		24			—			24
Interest and dividends on investment securities	—			—		88			—			88
Interest on cash and cash equivalents	—			—		2			—			2
Interest-bearing cash - intercompany	—			—		2			(2		)	—
Operating leases	—			—		896			—			896
Total financing revenue and other interest income	14			—		2,098			(28		)	2,084
Interest expense
Interest on deposits	3			—		169			—			172
Interest on short-term borrowings	10			—		1			—			11
Interest on long-term debt	292			—		137			—			429
Interest on intercompany debt	19			—		9			(28		)	—
Total interest expense	324			—		316			(28		)	612
Depreciation expense on operating lease assets	—			—		622			—			622
Net financing (loss) revenue	(310		)	—		1,160			—			850
Cash dividends from subsidiaries
Bank subsidiaries	125			125		—			(250		)	—
Nonbank subsidiaries	238			—		—			(238		)	—
Other revenue
Servicing fees	279			—		204			(473		)	10
Insurance premiums and service revenue earned	—			—		233			—			233
(Loss) gain on mortgage and automotive loans, net	(8		)	—		54			—			46
Loss on extinguishment of debt	(197		)	—		(1		)	—			(198		)
Other gain on investments, net	—			—		55			—			55
Other income, net of losses	72			—		152			(127		)	97
Total other revenue	146			—		697			(600		)	243
Total net revenue	199			125		1,857			(1,088		)	1,093
Provision for loan losses	100			—		16			—			116
Noninterest expense
Compensation and benefits expense	154			—		225			(124		)	255
Insurance losses and loss adjustment expenses	—			—		56			—			56
Other operating expenses	310			—		550			(476		)	384
Total noninterest expense	464			—		831			(600		)	695
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	(365		)	125		1,010			(488		)	282
Income tax (benefit) expense from continuing operations	(115		)	—		218			—			103
Net (loss) income from continuing operations	(250		)	125		792			(488		)	179
Income from discontinued operations, net of tax	387			—		10			—			397
Undistributed income of subsidiaries
Bank subsidiary	180			180		—			(360		)	—
Nonbank subsidiaries	259			—		—			(259		)	—
Net income	576			305		802			(1,107		)	576
Other comprehensive loss, net of tax	31			42		47			(89		)	31
Comprehensive income	$	607		$	347	$	849		$	(1,196	)	$	607

50

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Condensed Consolidating Balance Sheet

March 31, 2016 ($ in millions)	Parent (a)			Guarantors		Nonguarantors (a)			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	1,045		$	—	$	861		$	—		$	1,906
Interest-bearing	700			—		2,395			—			3,095
Interest-bearing — intercompany	—			—		737			(737		)	—
Total cash and cash equivalents	1,745			—		3,993			(737		)	5,001
Available-for-sale securities	—			—		18,180			—			18,180
Held-to-maturity securities	—			—		118			—			118
Loans held-for-sale, net	—			—		39			—			39
Finance receivables and loans, net
Finance receivables and loans, net	3,282			—		107,594			—			110,876
Intercompany loans to
Bank subsidiary	775			—		—			(775		)	—
Nonbank subsidiaries	2,322			—		604			(2,926		)	—
Allowance for loan losses	(82		)	—		(995		)	—			(1,077		)
Total finance receivables and loans, net	6,297			—		107,203			(3,701		)	109,799
Investment in operating leases, net	70			—		14,888			—			14,958
Intercompany receivables from
Bank subsidiary	316			—		—			(316		)	—
Nonbank subsidiaries	141			—		41			(182		)	—
Investment in subsidiaries
Bank subsidiary	16,856			16,856		—			(33,712		)	—
Nonbank subsidiaries	10,500			11		—			(10,511		)	—
Premiums receivable and other insurance assets	—			—		1,852			(24		)	1,828
Other assets	4,697			—		4,951			(3,066		)	6,582
Total assets	$	40,622		$	16,867	$	151,265		$	(52,249	)	$	156,505
Liabilities
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	92		$	—		$	92
Interest-bearing	218			—		69,955			—			70,173
Total deposit liabilities	218			—		70,047			—			70,265
Short-term borrowings	3,640			—		1,725			—			5,365
Long-term debt	20,676			—		41,368			—			62,044
Intercompany debt to
Nonbank subsidiaries	1,341			—		3,097			(4,438		)	—
Intercompany payables to
Bank subsidiary	262			—		—			(262		)	—
Nonbank subsidiaries	137			—		122			(259		)	—
Interest payable	237			—		137			—			374
Unearned insurance premiums and service revenue	—			—		2,449			—			2,449
Accrued expenses and other liabilities	288			82		4,883			(3,068		)	2,185
Total liabilities	26,799			82		123,828			(8,027		)	142,682
Total equity	13,823			16,785		27,437			(44,222		)	13,823
Total liabilities and equity	$	40,622		$	16,867	$	151,265		$	(52,249	)	$	156,505

(a) Amounts presented are based upon the legal transfer of the underlying assets to VIEs in order to reflect legal ownership.

51

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

December 31, 2015 ($ in millions)	Parent (a)			Guarantors		Nonguarantors (a)			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	1,234		$	—	$	914		$	—		$	2,148
Interest-bearing	401			—		3,831			—			4,232
Interest-bearing — intercompany	—			—		850			(850		)	—
Total cash and cash equivalents	1,635			—		5,595			(850		)	6,380
Available-for-sale securities	—			—		17,157			—			17,157
Loans held-for-sale, net	—			—		105			—			105
Finance receivables and loans, net
Finance receivables and loans, net	2,636			—		108,964			—			111,600
Intercompany loans to
Bank subsidiary	600			—		—			(600		)	—
Nonbank subsidiaries	3,277			—		559			(3,836		)	—
Allowance for loan losses	(72		)	—		(982		)	—			(1,054		)
Total finance receivables and loans, net	6,441			—		108,541			(4,436		)	110,546
Investment in operating leases, net	81			—		16,190			—			16,271
Intercompany receivables from
Bank subsidiary	186			—		—			(186		)	—
Nonbank subsidiaries	259			—		282			(541		)	—
Investment in subsidiaries
Bank subsidiary	16,496			16,496		—			(32,992		)	—
Nonbank subsidiaries	10,902			11		—			(10,913		)	—
Premiums receivable and other insurance assets	—			—		1,827			(26		)	1,801
Other assets	4,785			—		4,488			(2,952		)	6,321
Total assets	$	40,785		$	16,507	$	154,185		$	(52,896	)	$	158,581
Liabilities
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	89		$	—		$	89
Interest-bearing	229			—		66,160			—			66,389
Total deposit liabilities	229			—		66,249			—			66,478
Short-term borrowings	3,453			—		4,648			—			8,101
Long-term debt	21,048			—		45,186			—			66,234
Intercompany debt to
Nonbank subsidiaries	1,409			—		3,877			(5,286		)	—
Intercompany payables to
Bank subsidiary	142			—		—			(142		)	—
Nonbank subsidiaries	420			—		191			(611		)	—
Interest payable	258			—		92			—			350
Unearned insurance premiums and service revenue	—			—		2,434			—			2,434
Accrued expenses and other liabilities	387			82		4,028			(2,952		)	1,545
Total liabilities	27,346			82		126,705			(8,991		)	145,142
Total equity	13,439			16,425		27,480			(43,905		)	13,439
Total liabilities and equity	$	40,785		$	16,507	$	154,185		$	(52,896	)	$	158,581

(a) Amounts presented are based upon the legal transfer of the underlying assets to VIEs in order to reflect legal ownership.

52

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Condensed Consolidating Statement of Cash Flows

Three months ended March 31, 2016 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash (used in) provided by operating activities	$	(38	)	$	—	$	1,708		$	(482	)	$	1,188
Investing activities
Purchases of available-for-sale securities	—			—		(4,870		)	—			(4,870		)
Proceeds from sales of available-for-sale securities	—			—		4,175			—			4,175
Proceeds from maturities and repayments of available-for-sale securities	—			—		409			—			409
Purchases of held-to-maturity securities	—			—		(118		)	—			(118		)
Net increase in finance receivables and loans	(292		)	—		(1,794		)	—			(2,086		)
Proceeds from sales of finance receivables and loans originated as held-for-investment	—			—		2,594			—			2,594
Net change in loans — intercompany	683			—		(44		)	(639		)	—
Purchases of operating lease assets	—			—		(701		)	—			(701		)
Disposals of operating lease assets	2			—		1,533			—			1,535
Capital contributions to subsidiaries	(128		)	—		—			128			—
Returns of contributed capital	223			—		—			(223		)	—
Net change in restricted cash	—			—		48			—			48
Net change in nonmarketable equity investments	—			—		(315		)	—			(315		)
Other, net	(32		)	—		12			—			(20		)
Net cash provided by investing activities	456			—		929			(734		)	651
Financing activities
Net change in short-term borrowings — third party	187			—		(2,926		)	—			(2,739		)
Net (decrease) increase in deposits	(10		)	—		3,790			—			3,780
Proceeds from issuance of long-term debt — third party	178			—		4,066			—			4,244
Repayments of long-term debt — third party	(580		)	—		(7,910		)	—			(8,490		)
Net change in debt — intercompany	(68		)	—		(684		)	752			—
Dividends paid — third party	(15		)	—		—			—			(15		)
Dividends paid and returns of contributed capital — intercompany	—			—		(705		)	705			—
Capital contributions from parent	—			—		128			(128		)	—
Net cash used in financing activities	(308		)	—		(4,241		)	1,329			(3,220		)
Effect of exchange-rate changes on cash and cash equivalents	—			—		2			—			2
Net increase (decrease) in cash and cash equivalents	110			—		(1,602		)	113			(1,379		)
Cash and cash equivalents at beginning of year	1,635			—		5,595			(850		)	6,380
Cash and cash equivalents at March 31,	$	1,745		$	—	$	3,993		$	(737	)	$	5,001

53

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Three months ended March 31, 2015 ($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash (used in) provided by operating activities	$	(189	)	$	125		$	799		$	(488	)	$	247
Investing activities
Net change in federal funds sold and securities purchased under resale agreements	—			—			(50		)	—			(50		)
Purchases of investment securities	—			—			(4,023		)	—			(4,023		)
Proceeds from sales of available-for-sale securities	—			—			1,523			—			1,523
Proceeds from maturities and repayments of investment securities	—			—			914			—			914
Net (increase) decrease in finance receivables and loans	(242		)	—			197			—			(45		)
Proceeds from sales of finance receivables and loans	—			—			1,577			—			1,577
Net change in loans — intercompany	374			—			205			(579		)	—
Purchases of operating lease assets	—			—			(1,447		)	—			(1,447		)
Disposals of operating lease assets	—			—			1,337			—			1,337
Capital contributions to subsidiaries	(24		)	—			—			24			—
Returns of contributed capital	222			—			—			(222		)	—
Proceeds from sale of business unit, net	1,049			—			—			—			1,049
Net change in restricted cash	—			—			(121		)	—			(121		)
Net change in nonmarketable equity investments	—			—			58			—			58
Other, net	(1		)	—			34			—			33
Net cash provided by investing activities	1,378			—			204			(777		)	805
Financing activities
Net change in short-term borrowings — third party	142			—			(760		)	—			(618		)
Net (decrease) increase in deposits	(9		)	—			2,656			—			2,647
Proceeds from issuance of long-term debt — third party	2,467			—			6,358			—			8,825
Repayments of long-term debt — third party	(3,161		)	—			(6,617		)	—			(9,778		)
Net change in debt — intercompany	(202		)	—			(374		)	576			—
Dividends paid — third party	(67		)	—			—			—			(67		)
Dividends paid and returns of contributed capital — intercompany	—			(125		)	(586		)	711			—
Capital contributions from parent	—			—			24			(24		)	—
Net cash (used in) provided by financing activities	(830		)	(125		)	701			1,263			1,009
Effect of exchange-rate changes on cash and cash equivalents	—			—			(1		)	—			(1		)
Net increase in cash and cash equivalents	359			—			1,703			(2		)	2,060
Cash and cash equivalents at beginning of year	2,286			—			3,905			(615		)	5,576
Cash and cash equivalents at March 31,	$	2,645		$	—		$	5,608		$	(617	)	$	7,636

25.    Contingencies and Other Risks

In the normal course of business, we enter into transactions that expose us to varying degrees of risk. For additional information on contingencies and other risks arising from such transactions, refer to Note 30 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K.

Legal Proceedings

We are or may be subject to potential liability under various governmental proceedings, claims, and legal actions that are pending or otherwise asserted against us. We are named as defendants in a number of legal actions, and we are involved in governmental proceedings arising in connection with our respective businesses. Some of the pending actions purport to be class actions, and certain legal actions include claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages. We establish reserves for legal claims when payments associated with the claims become probable and the payments can be reasonably estimated. Given the inherent difficulty of predicting the outcome of litigation and regulatory matters, it is generally very difficult to predict what the eventual outcome will be, and when the matter will be resolved. The actual costs of resolving legal claims may be higher or lower than any amounts reserved for the claims.

On the basis of information currently available, advice of counsel, available insurance coverage, and established reserves, it is the opinion of management that the eventual outcome of the current actions against us will not have a material adverse effect on our consolidated

54

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

financial condition, results of operations, or cash flows. However, it is possible that the ultimate resolution of legal matters, if unfavorable, may be material to our consolidated financial condition, results of operations, or cash flows in a particular period.

Regulatory Matters

Ally and its subsidiaries, including Ally Bank, are or may become involved from time to time in formal and informal reviews, investigations, examinations, proceedings, and information-gathering requests by federal and state government and self-regulatory agencies, including, among others, the U.S. Department of Justice (DOJ), the SEC, Consumer Financial Protection Bureau (CFPB), the FRB, the FDIC, the Utah Department of Financial Institutions, and the Federal Trade Commission regarding their respective operations.

Mortgage Matters

We have received subpoenas from the DOJ that include a broad request for documentation and other information relating to residential mortgage-backed securities issued by our former mortgage subsidiary, Residential Capital, LLC and its subsidiaries (ResCap RMBS). In connection with these requests, the DOJ is investigating potential fraud and other potential legal claims related to ResCap RMBS, including its investigation of potential claims under the Financial Institutions Reform, Recovery, and Enforcement Act of 1989. The DOJ is also investigating potential claims under the False Claims Act (FCA) related to representations made by us in connection with investments in Ally made by the United States Department of the Treasury pursuant to the Troubled Asset Relief Program in 2008 and 2009 regarding certain claims against Residential Capital, LLC or its subsidiaries at that time. We continue to engage in discussions with the DOJ with respect to legal and factual aspects of their investigations and potential claims. As previously disclosed, at the request of the DOJ, we entered into an agreement to voluntarily extend the statutes of limitations related to potential FCA claims. This agreement expired at the end of January 2016.

We have separately received subpoenas and document requests from the SEC that include information covering a wide range of mortgage-related matters.

These matters could result in material adverse consequences including, without limitation, adverse judgments, significant settlements, fines, penalties, injunctions, or other actions.

Automotive Subprime Matters

In October 2014, we received a document request from the SEC in connection with its investigation related to subprime automotive finance and related securitization activities. Separately, in December 2014, we received a subpoena from the DOJ requesting similar information. In May 2015, we received an information request from the New York Department of Financial Services requesting similar information. We have cooperated with each of these agencies with respect to these matters. These matters could result in material adverse consequences including, without limitation, adverse judgments, significant settlements, fines, penalties, injunctions, or other actions.

CFPB

In December 2013, Ally Financial Inc. and Ally Bank entered into Consent Orders issued by the CFPB and the DOJ pertaining to the allegation of disparate impact in the automotive finance business. The Consent Orders require Ally to create a compliance plan addressing, at a minimum, the communication of Ally’s expectations of Equal Credit Opportunity Act compliance to dealers, maintenance of Ally’s existing limits on dealer finance income for contracts acquired by Ally, and monitoring for potential discrimination both at the dealer level and within our portfolio of contracts acquired across all dealers. Ally formed a compliance committee consisting of certain Ally and Ally Bank directors to oversee Ally’s execution of the Consent Orders’ terms. Ally is required to meet certain stipulations under the Consent Orders, including a requirement to make monetary payments when ongoing remediation targets are not attained. These matters could result in material adverse consequences including, without limitation, adverse judgments, significant settlements, fines, penalties, injunctions, or other actions.

Other Contingencies

We are subject to potential liability under various other exposures including tax, nonrecourse loans, self-insurance, and other miscellaneous contingencies. We establish reserves for these contingencies when the loss becomes probable and the amount can be reasonably estimated. The actual costs of resolving these items may be substantially higher or lower than the amounts reserved for any one item. Based on information currently available, it is the opinion of management that the eventual outcome of these items will not have a material adverse impact on our results of operations, financial position, or cash flows.

26.    Subsequent Events

TradeKing Group, Inc. Acquisition

On April 5, 2016, we announced that we signed an agreement to acquire TradeKing Group, Inc., an online brokerage and digital wealth management company, for approximately $275 million. The purchase price includes approximately $250 million in premium to the acquired net assets and is subject to certain purchase price adjustments. The transaction is expected to close in the second or third quarter of 2016 and includes an online broker/dealer, a digital portfolio management platform, and educational content and social collaboration channels. The transaction is subject to regulatory approval and satisfaction of other customary closing conditions.

55

Notes to Condensed Consolidated Financial Statements (unaudited)

Ally Financial Inc. • Form 10-Q

Declaration of Quarterly Dividend Payment

On April 11, 2016, the Ally Board of Directors declared a quarterly dividend payment on certain outstanding preferred stock. This included a cash dividend of $0.53 per share, or a total of $15 million, on Fixed Rate/Floating Rate Perpetual Preferred Stock, Series A. The dividend is payable to shareholders of record as of May 1, 2016, and is payable on May 16, 2016.

Series A Preferred Stock Redemption

On April 14, 2016, we issued a Notice of Redemption to the holders of the outstanding Series A Preferred Stock to redeem the remaining 27,870,560 shares at a redemption price of $25 per share. We plan to redeem the outstanding shares on May 16, 2016, subsequent to the quarterly dividend payment.

Departure and Appointment of Certain Officers

On April 28, 2016, we announced the appointment of Scott Stengel as General Counsel of Ally. Mr. Stengel will assume the General Counsel role effective as of May 31, 2016. Our current General Counsel, William B. Solomon, Jr., will step down from this role as of May 31, 2016, but will remain with Ally until September 30, 2016, to transition his duties to Mr. Stengel.

56

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Item 2.    Management's Discussion and Analysis of Financial Condition and Results of Operations

Selected Financial Data

The selected historical financial information set forth below should be read in conjunction with Management’s Discussion and Analysis (MD&A) of Financial Condition and Results of Operations, our Condensed Consolidated Financial Statements, and the Notes to Condensed Consolidated Financial Statements. The historical financial information presented may not be indicative of our future performance.

The following table presents selected Condensed Consolidated Statement of Comprehensive Income and market price data.

	Three months ended March 31,
($ in millions, except per share data)	2016		2015
Total financing revenue and other interest income	$	2,109	$	2,084
Total interest expense	648		612
Depreciation expense on operating lease assets	510		622
Net financing revenue	951		850
Total other revenue	376		243
Total net revenue	1,327		1,093
Provision for loan losses	220		116
Total noninterest expense	710		695
Income from continuing operations before income tax expense	397		282
Income tax expense from continuing operations	150		103
Net income from continuing operations	247		179
Income from discontinued operations, net of tax	3		397
Net income	$	250	$	576
Basic and diluted earnings per common share:
Net income from continuing operations	$	0.48	$	0.23
Net income	0.49		1.06
Market price per common share:
High closing	$	18.88	$	23.88
Low closing	15.33		18.71
Period end closing	18.72		20.98

57

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The following table presents selected balance sheet and ratio data.

	At and for the three months ended March 31,
($ in millions)	2016			2015
Selected period-end balance sheet data:
Total assets	$	156,505		$	153,324
Total deposit liabilities	$	70,265		$	60,857
Long-term debt	$	62,044		$	65,578
Preferred stock	$	696		$	1,255
Total equity	$	13,823		$	15,934
Financial ratios:
Return on average assets (a)	0.64		%	1.55		%
Return on average equity (a)	7.38		%	14.88		%
Return on average tangible common equity (non-GAAP) (b)	7.28		%	14.16		%
Equity to assets (a)	8.66		%	10.40		%
Net interest spread (a) (c)	2.49		%	2.31		%
Net yield on interest-earning assets (a) (d)	2.59		%	2.44		%

(a) The ratios were based on average assets and average equity using a combination of monthly and daily average methodologies.

(b) Return on average tangible common equity (ROTCE) is a non-GAAP measure which is important to the reader of the Condensed Consolidated Financial Statements but should be supplemental to primary measures of accounting principles generally accepted in the United States of America (GAAP). It is computed as net income available to common shareholders under GAAP and includes preferred dividends and premiums paid, divided by a two-period average of tangible common equity (non-GAAP). Tangible common equity is calculated as average total shareholder's equity, $13,631 million and $15,666 million at March 31, 2016, and 2015, respectively, less preferred stock, $696 million and $1,255 million at March 31, 2016, and 2015, respectively, and less goodwill, $27 million at March 31, 2016, and 2015. Other companies may define or calculate this measure differently. We believe this measure is useful to investors, analysts, and banking regulators because, by removing the effect of preferred stock and goodwill from shareholder’s equity, it allows investors, analysts, and banking regulators to more easily compare our return on equity to other companies in the industry who present a similar measure. We also believe that removing preferred stock and goodwill from shareholder’s equity, and including the impact of preferred dividends and premiums paid in net income is a more relevant measure of the return on our common shareholders' equity.

(c) Net interest spread represents the difference between the rate on total interest-earning assets and the rate on total interest-bearing liabilities, excluding discontinued operations for the periods shown.

(d) Net yield on interest-earning assets represents net financing revenue as a percentage of total interest-earning assets.

58

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

As of January 1, 2015, Ally became subject to the rules implementing the 2010 Basel III capital framework in the United States (U.S. Basel III), which reflect new and higher capital requirements, capital buffers, and new regulatory capital definitions, deductions and adjustments. Certain aspects of U.S. Basel III, including the new capital buffers and regulatory capital deductions, will be phased in over several years. To assess our capital adequacy against the full impact of U.S. Basel III, we also present "fully phased-in" information that reflects regulatory capital rules that will take effect as of January 1, 2019. Refer to Note 18 to the Condensed Consolidated Financial Statements for further information. The following table presents selected regulatory capital data.

	March 31, 2016						March 31, 2015
($ in millions)	Transitional			Fully Phased-in			Transitional			Fully Phased-in
Common Equity Tier 1 capital ratio (a)	9.47		%	9.20		%	10.94		%	10.36		%
Tier 1 capital ratio	11.57		%	11.54		%	13.16		%	13.04		%
Total capital ratio	13.00		%	12.96		%	14.11		%	14.03		%
Tier 1 leverage (to adjusted quarterly average assets) (b)	9.87		%	9.87		%	11.43		%	11.39		%
Total equity	$	13,823		$	13,823		$	15,934		$	15,934
Preferred stock	(696		)	(696		)	(1,255		)	(1,255		)
Goodwill and certain other intangibles	(27		)	(27		)	(27		)	(27		)
Deferred tax assets arising from net operating loss and tax credit carryforwards (c)	(496		)	(826		)	(451		)	(1,128		)
Other adjustments	52			52			39			39
Common Equity Tier 1 capital (non-GAAP) (a)	12,656			12,326			14,240			13,563
Preferred stock	696			696			1,080			1,021
Trust preferred securities	2,487			2,487			2,546			2,546
Deferred tax assets arising from net operating loss and tax credit carryforwards	(330		)	—			(677		)	—
Other adjustments	(47		)	(47		)	(58		)	(58		)
Tier 1 capital	15,462			15,462			17,131			17,072
Qualifying subordinated debt and other instruments qualifying as Tier 2	871			871			358			417
Qualifying allowance for credit losses	1,077			1,077			934			934
Other adjustments	(47		)	(47		)	(58		)	(58		)
Total capital	$	17,363		$	17,363		$	18,365		$	18,365
Risk-weighted assets (d)	$	133,586		$	134,018		$	130,142		$	130,907

(a) Common Equity Tier 1 capital is a non-GAAP measure which is important to the reader of the Condensed Consolidated Financial Statements but should be supplemental to primary measures of GAAP. Common Equity Tier 1 Capital generally consists of common stock (plus any related surplus and net of any treasury stock), retained earnings, accumulated other comprehensive income, and minority interests in the common equity of consolidated subsidiaries, together subject to certain adjustments and deductions. We consider various measures when evaluating capital utilization and adequacy, including the Common Equity Tier 1 Capital ratio. Because GAAP does not include capital ratio measures, we believe there are no comparable GAAP financial measures to these ratios. Common Equity Tier 1 Capital is not formally defined by GAAP and, therefore, is considered to be a non-GAAP financial measure. We believe the Common Equity Tier 1 Capital measure is important because we believe investors, analysts, and banking regulators may assess our capital adequacy using this ratio. Additionally, presentation of this measure allows readers to compare certain aspects of our capital adequacy on the same basis to other companies in the industry.

(b) Tier 1 leverage equals Tier 1 capital divided by adjusted quarterly average total assets (which reflects adjustments for disallowed goodwill, certain intangible assets, and disallowed deferred tax assets).

(c) Contains disallowed deferred tax assets under and Basel III as applicable.

(d) Risk-weighted assets are defined by regulation and are determined by allocating assets and specified off-balance sheet financial instruments into various risk categories.

59

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Overview

Ally Financial Inc. is a leading, independent, diversified financial services firm. Founded in 1919, we are a leading financial services company with over 95 years of experience providing a broad array of financial products and services. We operate as a financial holding company (FHC) and a bank holding company (BHC). Our banking subsidiary, Ally Bank, is an indirect, wholly-owned subsidiary of Ally Financial Inc. and a leading franchise in the growing direct (internet, telephone, mobile, and mail) banking market.

Discontinued Operations

During 2013 and 2012, certain disposal groups met the criteria to be presented as discontinued operations. For all periods presented, the operating results for these operations have been removed from continuing operations. Refer to Note 2 to the Condensed Consolidated Financial Statements for more details. The MD&A has been adjusted to exclude discontinued operations unless otherwise noted.

Change in Reportable Segments

As a result of a change in how management views and operates our business, during the first quarter of 2016, we made changes in the composition of our operating segments. Financial information related to our Corporate Finance business is now presented as a separate reportable segment. Previously, all such activity was included in Corporate and Other. Additionally, only the activity of our ongoing bulk acquisitions of mortgage loans and other originations and refinancing is now presented in Mortgage Finance operations. The activity related to the management of our legacy mortgage portfolio is now included in Corporate and Other. Our other operating segments, Automotive Finance operations and Insurance operations, remained unchanged. Amounts for 2015 have been adjusted to conform to the current management view.In connection with the change in operating segments, we have defined additional classes of finance receivables and loans: Mortgage Finance and Mortgage — Legacy. Mortgage Finance includes consumer mortgage loans from our ongoing mortgage operations and Mortgage — Legacy includes consumer mortgage loans originated prior to 2009.

Primary Lines of Business

Dealer Financial Services, which includes our Automotive Finance and Insurance operations, Mortgage Finance, and Corporate Finance are our primary lines of business. The following table summarizes the operating results excluding discontinued operations of each line of business. Operating results for each of the lines of business are more fully described in the MD&A sections that follow.

	Three months ended March 31,
($ in millions)	2016			2015			Favorable/ (unfavorable) % change
Total net revenue (loss)
Dealer Financial Services
Automotive Finance	$	973		$	861		13
Insurance	268			280			(4)
Mortgage Finance	20			11			82
Corporate Finance	34			26			31
Corporate and Other	32			(85		)	138
Total	$	1,327		$	1,093		21
Income (loss) from continuing operations before income tax expense
Dealer Financial Services
Automotive Finance	$	337		$	306		10
Insurance	50			78			(36)
Mortgage Finance	2			1			100
Corporate Finance	11			17			(35)
Corporate and Other	(3		)	(120		)	98
Total	$	397		$	282		41

• Our Dealer Financial Services operations offer a wide range of financial services and insurance products to automotive dealerships and their customers. Dealer Financial Services consist of two separate reportable segments — Automotive Finance and Insurance operations.

Our automotive finance services include providing retail installment sales contracts, loans, and leases, offering term loans to dealers, financing dealer floorplans and other lines of credit to dealers, fleet financing, and vehicle remarketing services. The business is centered on our strong and longstanding relationships with automotive dealers and serves the financial needs of over 17,500 dealers in the United States, including over 11,000 dealers outside of the General Motors Company (GM) and Fiat Chrysler Automobiles US LLC (Chrysler) channels, and approximately 4.4 million of their retail customers with a wide range of financial

60

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

services and insurance products. We believe our dealer-focused business model, with a focus on premium service and deep relationships, value added products and services, and full credit spectrum expertise proven over many credit cycles, makes us the preferred automotive finance company for thousands of our automotive dealer customers. We have developed particularly strong relationships with thousands of dealers resulting from our longstanding relationship with GM as well as relationships with other manufacturers, including Chrysler, providing us with an extensive understanding of the operating needs of these dealers relative to other automotive finance companies. During the first quarter of 2016, we completed the national roll-out of our used lease product.

We have established relationships with thousands of Growth channel (non-GM/Chrysler) dealers through our customer-centric approach and specialized incentive programs. The Growth channel was established as a formal channel in 2012 to focus on developing dealer relationships beyond our existing relationships that primarily were developed through our role as a captive finance company historically for GM and more recently for Chrysler brands. The success of the Growth channel has been a key enabler to converting our business model from a focused captive finance company to a leading market competitor. In this channel, we currently have approximately 11,000 dealer relationships, of which nearly 10,000 are franchised dealers from brands such as Ford, Nissan, Kia, Hyundai, Toyota, Honda and others; RV dealers; and used vehicle only retailers, which have a national presence.

Our Insurance operations offer both consumer finance protection and insurance products sold primarily through the automotive dealer channel, and commercial insurance products sold directly to dealers. As part of our focus on offering dealers a broad range of consumer financial and insurance products, we provide vehicle service contracts (VSC), maintenance coverage, and guaranteed asset protection (GAP) products. We also underwrite selected commercial insurance coverages, which primarily insure dealers' wholesale vehicle inventory. As part of our continued efforts to diversify, our Insurance operations launched its new flagship vehicle service contract offering, Ally Premier Protection, nationwide for new and used vehicles of virtually all makes and models in June 2015. Ally Premier Protection is replacing the General Motors Protection Plan nameplate which will be discontinued in November 2016.

• Our Mortgage Finance operations are limited to the management of a held-for-investment consumer mortgage finance loan portfolio and includes the execution of bulk purchases of high-quality jumbo and low-to-moderate income (LMI) mortgage loans originated by third parties. During the three months endedMarch 31, 2016, we continued to execute bulk purchases of mortgage loans that were originated by third parties. First quarter purchases have totaled $1.4 billion. We expect this activity to continue in support of our treasury asset liability management (ALM) activities and diversification. We also plan to introduce limited direct mortgage originations in late 2016.

• Our Corporate Finance operations provide senior secured leveraged cash flow and asset-based loans primarily to U.S.-based middle market companies. The Corporate Finance portfolio is almost entirely comprised of first lien, first out loans. Our primary focus is on businesses owned by private equity sponsors with loans typically used for leveraged buyouts, mergers and acquisitions, debt refinancing, restructurings, and working capital. The portfolio is well diversified across multiple industries including retail, manufacturing, distribution, service companies, and other specialty sectors such as healthcare and technology.

• Corporate and Other primarily consists of activity related to centralized corporate treasury activities such as management of the cash and corporate investment securities and loan portfolios, short- and long-term debt, retail and brokered deposit liabilities, derivative instruments, the amortization of the discount associated with new debt issuances and bond exchanges, and the residual impacts of our corporate funds-transfer pricing (FTP) and ALM activities. Corporate and Other also includes certain equity investments, the management of our legacy mortgage portfolio, and reclassifications and eliminations between the reportable operating segments.

In addition, as we look ahead, we are well positioned as the marketplace continues to evolve and are working to build on our existing foundation of approximately 5.5 million customers, strong brand, innovative culture, and leading digital platform to expand our products and services and to create an integrated customer experience.

61

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Consolidated Results of Operations

The following table summarizes our consolidated operating results excluding discontinued operations for the periods shown. Refer to the operating segment sections of the MD&A that follows for a more complete discussion of operating results by line of business.

	Three months ended March 31,
($ in millions)	2016			2015			Favorable/ (unfavorable) % change
Net financing revenue
Total financing revenue and other interest income	$	2,109		$	2,084		1
Total interest expense	648			612			(6)
Depreciation expense on operating lease assets	510			622			18
Net financing revenue	951			850			12
Other revenue
Servicing fees	13			10			30
Insurance premiums and service revenue earned	230			233			(1)
Gain on mortgage and automotive loans, net	1			46			(98)
Loss on extinguishment of debt	(4		)	(198		)	98
Other gain on investments, net	54			55			(2)
Other income, net of losses	82			97			(15)
Total other revenue	376			243			55
Total net revenue	1,327			1,093			21
Provision for loan losses	220			116			(90)
Noninterest expense
Compensation and benefits expense	252			255			1
Insurance losses and loss adjustment expenses	73			56			(30)
Other operating expenses	385			384			—
Total noninterest expense	710			695			(2)
Income from continuing operations before income tax expense	397			282			41
Income tax expense from continuing operations	150			103			(46)
Net income from continuing operations	$	247		$	179		38

We earned net income from continuing operations of $247 million for the three months endedMarch 31, 2016, compared to $179 million for the three months endedMarch 31, 2015. The increase was primarily due to a decrease in loss on extinguishment of debt due to a debt tender offer in 2015 and an increase in net financing revenue. The increase was partially offset by a decrease in gain on mortgage and automotive loans, an increase in the provision for loan losses, and an increase in insurance losses and loss adjustment expenses.

Net financing revenue increased $101 million for the three months endedMarch 31, 2016, compared to the same period in 2015. Total financing revenue and other interest income remained flat as growth in our consumer retail automotive loans and consumer mortgage loans more than offset the lower operating lease asset balance as a result of GM's decision to provide subvention programs for their products exclusively through a wholly-owned subsidiary. Total interest expenseincreased6% for the three months endedMarch 31, 2016, compared to the same period in 2015, due to higher funding requirements resulting from loan portfolio growth and unfavorable derivative activity driven primarily by a decline in exchange rate hedging, and a decrease in deferred debt amortization income resulting from accelerated amortization in 2015 related to debt tender offers. The increase was partially offset by continued deposit growth and the repayment of higher-cost legacy debt. Additionally, our declining operating lease asset balances resulted in a $112 million reduction to depreciation expense on operating lease assets.

Net gain on mortgage and automotive loans decreased $45 million for the three months endedMarch 31, 2016, compared to the same period in 2015. The gain for three months endedMarch 31, 2015, was primarily due to a sale of a portfolio of troubled debt restructuring (TDR) loans from our consumer mortgage portfolio.

We incurred a loss on extinguishment of debt of $4 million for three months endedMarch 31, 2016, compared to a loss of $198 million for the same period in 2015. The decrease in loss was due to nonrecurring debt tender offers in 2015. During the first quarter of 2015, we completed tender offers to buy back $950 million of our high-coupon debt, resulting in a total loss on extinguishment of debt of $197 million related to these transactions.

62

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The provision for loan losses was $220 million for the three months endedMarch 31, 2016, compared to $116 million during the same period in 2015. The increase in provision for loan losses is primarily the result of the growth in our consumer retail automotive loan portfolio, as our automotive originations have continued to shift to an increase in loans offsetting a significant reduction in leases which are not included in the allowance, and the continued execution of our underwriting strategy to originate automotive loans across a broad risk spectrum, with credit performance in line with expectations for the portfolio. Additionally, the increase is also partly attributable to continued growth within our commercial loan portfolio combined with a reserve release from favorable credit performance on our dealer floorplan loans during the three months endedMarch 31, 2015.

Insurance losses and loss adjustment expenses increased $17 million for the three months endedMarch 31, 2016, compared to the same period in 2015. The increase was primarily due to early and severe spring hailstorms, which drove higher weather related losses.

We recognized total income tax expense from continuing operations of $150 million for the three months endedMarch 31, 2016, compared to $103 million for the same period in 2015. The increase in income tax expense was primarily driven by tax attributable to pre-tax earnings and a nonrecurring benefit from the release of our valuation allowance on capital loss carryforwards utilized against 2015 capital gains.

In calculating the provision for income taxes from continuing operations, we apply an estimated annual effective tax rate to year-to-date ordinary income on an interim basis. Refer to Note 1 to the Condensed Consolidated Financial Statements for further details.

63

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Dealer Financial Services

Results for Dealer Financial Services are presented by reportable segment, which includes our Automotive Finance and Insurance operations.

Automotive Finance

Results of Operations

The following table summarizes the operating results of our Automotive Finance operations excluding discontinued operations for the periods shown. The amounts presented are before the elimination of balances and transactions with our other reportable segments.

	Three months ended March 31,
($ in millions)	2016		2015			Favorable/ (unfavorable) % change
Net financing revenue
Consumer	$	866	$	745		16
Commercial	252		238			6
Loans held-for-sale	—		19			(100)
Operating leases	769		896			(14)
Other interest income	3		2			50
Total financing revenue and other interest income	1,890		1,900			(1)
Interest expense	484		469			(3)
Depreciation expense on operating lease assets	510		622			18
Net financing revenue	896		809			11
Other revenue
Servicing fees	13		10			30
Gain (loss) on automotive loans, net	5		(15		)	133
Other income	59		57			4
Total other revenue	77		52			48
Total net revenue	973		861			13
Provision for loan losses	209		127			(65)
Noninterest expense
Compensation and benefits expense	126		126			—
Other operating expenses	301		302			—
Total noninterest expense	427		428			—
Income from continuing operations before income tax expense	$	337	$	306		10
Total assets	$	112,289	$	111,149		1

Components of net operating lease revenue, included in amounts above, were as follows

	Three months ended March 31,
($ in millions)	2016			2015			Favorable/ (unfavorable) % change
Net operating lease revenue
Operating lease revenue	$	769		$	896		(14)
Depreciation expense
Depreciation expense on operating lease assets (excluding remarketing gains)	565			691			18
Remarketing gains	(55		)	(69		)	(20)
Total depreciation expense on operating lease assets	510			622			18
Total net operating lease revenue	$	259		$	274		(5)

Our Automotive Finance operations earned income from continuing operations before income tax expense of $337 million for the three months endedMarch 31, 2016, compared to $306 million for the three months endedMarch 31, 2015. Results for the three months endedMarch 31, 2016, were favorably impacted by higher consumer financing revenue primarily due to continued strong origination volume and

64

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

improved yields, partially offset by an increase in provision for loan losses primarily due to continued growth in our consumer retail automotive loan portfolio and our continued underwriting strategy to originate consumer assets across a broad risk spectrum.

Consumer financing revenue (combined with interest income on consumer loans held-for-sale) increased $102 million for the three months endedMarch 31, 2016, compared to the same period in 2015, primarily due to continued loan origination growth in the Growth and Chrysler channels, as well as improved portfolio yields. Growth and Chrysler new consumer originations increased 23% and 19%, respectively, for the three months endedMarch 31, 2016, compared to the same period in 2015.

Commercial financing revenue increased $14 million for the three months endedMarch 31, 2016, compared to the same period in 2015, primarily due to higher commercial assets driven by the Growth and Chrysler channels, as well as an increase in interest rate benchmarks driving higher rates on dealer floorplan loans.

Total net operating lease revenue decreased 5% for the three months endedMarch 31, 2016, compared to the same period in 2015. The decrease for the three months ended March 31, 2016, was primarily due to lower lease remarketing gains driven by lower gain per unit, partially offset by an increase in termination volume. We recognized remarketing gains of $55 million for the three months endedMarch 31, 2016, compared to $69 million for the same period in 2015. Net operating lease revenue excluding remarketing gains for the three months ended March 31, 2016, remained flat compared to the same period in 2015.

The provision for loan losses was $209 million for the three months endedMarch 31, 2016, compared to $127 million for the same period in 2015. The increase was primarily due to continued growth in our consumer retail automotive loan portfolio and our continued underwriting strategy to originate consumer assets across a broad risk spectrum, as well as a reduction due to favorable loss performance on dealer floorplan loans in the three months endedMarch 31, 2015, that did not repeat in the same period in 2016.

65

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Automotive Financing Volume

Consumer Automotive Financing Volume

The following tables present retail originations by credit tier, Average Buy Rate, and NAALR.

Three months ended March 31,
Credit Tier (a)	Volume ($ in billions)		% Share of volume	Average Buy Rate (b)		NAALR (c)		Average FICO®
2016
S	$	2.5	30	3.49	%	(0.14	)%	758
A	3.6		44	5.72	%	(0.79	)%	667
B	1.6		20	9.35	%	(2.46	)%	640
C	0.5		6	13.47	%	(4.66	)%	604
Total retail originations	$	8.2	100	6.32	%	(1.17	)%	684
2015
S	$	2.7	33	3.05	%	(0.15	)%	758
A	3.2		39	5.01	%	(0.75	)%	675
B	1.7		21	8.63	%	(2.08	)%	637
C	0.5		6	12.26	%	(3.65	)%	601
D	0.1		1	17.41	%	(5.46	)%	571
Total retail originations	$	8.2	100	5.74	%	(1.10	)%	688

(a) Represents Ally's internal credit score, incorporating numerous borrower and structure attributes including: FICO® score; severity and aging of delinquency; number of credit inquiries; loan-to-value ratio; and payment-to-income ratio. We originated an insignificant amount of retail loans classified as Tier D during the three months endedMarch 31, 2016, and Tier E during the three months endedMarch 31, 2016, and 2015.

(b) Simple weighted average rate at which Ally purchases a retail loan contract from a dealer.

(c) Projected Net Average Annualized Loss Rate.

For the three months ended March 31, 2016, as compared to projections a year ago for the three months ended March 31, 2015, the increase in NAALR was 7 basis points, while the Average Buy Rate for retail originations increased by 58 basis points.

The following table presents the total retail and lease origination dollars and percentage mix by product type.

	Consumer automotive financing originations				% Share of Ally originations
Three months ended March 31, ($ in millions)	2016		2015		2016	2015
New retail standard	$	4,040	$	4,088	45	42
Used retail	4,092		3,586		45	36
Lease	833		1,643		9	17
New retail subvented	76		527		1	5
Total consumer automotive financing originations (a)	$	9,041	$	9,844	100	100

(a) Includes Commercial Services Group (CSG) originations of $835 million and $971 million for the three months endedMarch 31, 2016, and 2015, respectively, and RV originations of $128 million and $107 million for the three months endedMarch 31, 2016, and 2015, respectively.

The following table presents the total retail and lease origination dollars and percentage mix by channel.

	Consumer automotive financing originations				% Share of Ally originations
Three months ended March 31, ($ in millions)	2016		2015		2016	2015
Growth	$	3,367	$	2,744	37	28
GM	3,329		5,130		37	52
Chrysler	2,345		1,970		26	20
Total consumer automotive financing originations	$	9,041	$	9,844	100	100

During the three months endedMarch 31, 2016, total consumer originations decreased$803 million compared to the same period in 2015. The decrease, as expected, was primarily due to lower GM new retail subvented and lease volume, partially offset by higher volume in

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Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

the Growth and Chrysler channels. Growth and Chrysler volume increased 23% and 19%, respectively, for the three months ended March 31, 2016, compared to the same period in 2015, driven by expanded offerings and new dealer relationships.

The following table presents the percentage of total retail originations by the loan term in months.

Three months ended March 31,	2016		2015
0-71	19	%	24	%
72-75	68		70
76+	13		6
Total retail originations (a)	100	%	100	%

(a) Excludes RV loans.

As we continue the execution of our disciplined underwriting strategy to originate consumer automotive assets across a broad risk spectrum, retail originations with a term of 76 months or more represented 13% of total retail originations for the three months endedMarch 31, 2016, compared to 6% in the same period in 2015. Substantially all of the loans originated with a term of 76 months or more during the three months endedMarch 31, 2016, and 2015, were considered to be prime. We define prime retail automotive loans primarily as those loans with a FICO® Score (or an equivalent score) at origination of 620 or greater.

The following table presents the percentage of total retail and lease originations by FICO® Score.

Three months ended March 31,	2016		2015
740 +	22	%	28	%
739-660	36		34
659-620	25		21
619-540	11		11
< 540	1		1
Unscored (a)	5		5
Total consumer automotive financing originations	100	%	100	%

(a) Unscored are primarily CSG contracts with entities that have no FICO® Score.

Originations with a FICO® Score of less than 620 (considered nonprime) represented 12% of total consumer originations for each of the three months endedMarch 31, 2016, and 2015, respectively. Consumer loans and leases with FICO® Scores of less than 540 continued to comprise only 1% of total originations each period. For discussion of our credit risk management practices and performance, refer to the section titled Risk Management within this MD&A.

For discussion of manufacturing marketing incentives, refer to our Annual Report on Form 10-K for the year ended December 31, 2015, Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations — Automotive Finance Operations.

Commercial Wholesale Financing Volume

The following tables summarize the average balances of our commercial wholesale floorplan finance receivables of new and used vehicles and share of dealer inventory in the United States.

	Average balance				% Share of manufacturer franchise dealer inventory
Three months ended March 31, ($ in millions)	2016		2015		2016	2015
GM new vehicles (a)	$	14,290	$	15,537	63	63
Chrysler new vehicles (a)	9,217		8,202		44	45
Growth new vehicles	4,108		3,432
Used vehicles	3,870		3,320
Total commercial wholesale finance receivables	$	31,485	$	30,491

(a) Share of dealer inventory based on a 4-point average of dealer inventory.

Commercial wholesale financing average volume increased $994 million during the three months endedMarch 31, 2016, compared to the same period in 2015. The increases in Growth new, Chrysler new, and Used commercial wholesale financing volume, including higher balances from the preferred provider agreement with Mitsubishi Motors North America, Inc. that was announced on April 27, 2015, were partially offset by a decrease in GM new receivables.

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Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Insurance

Results of Operations

The following table summarizes the operating results of our Insurance operations excluding discontinued operations for the periods shown. The amounts presented are before the elimination of balances and transactions with our other reportable segments.

	Three months ended March 31,
($ in millions)	2016			2015			Favorable/ (unfavorable) % change
Insurance premiums and other income
Insurance premiums and service revenue earned	$	230		$	233		(1)
Investment income, net (a)	34			43			(21)
Other income	4			4			—
Total insurance premiums and other income	268			280			(4)
Expense
Insurance losses and loss adjustment expenses	73			56			(30)
Acquisition and underwriting expense
Compensation and benefits expense	18			19			5
Insurance commissions expense	94			93			(1)
Other expenses	33			34			3
Total acquisition and underwriting expense	145			146			1
Total expense	218			202			(8)
Income from continuing operations before income tax expense	$	50		$	78		(36)
Total assets	$	7,194		$	7,242		(1)
Insurance premiums and service revenue written	$	222		$	239		(7)
Combined ratio (b)	94.0		%	85.9		%

(a) Includes realized gains on investments of $22 million and $33 million for the three months endedMarch 31, 2016, and 2015, respectively, and interest expense of $12 million and $13 million for the three months endedMarch 31, 2016, and 2015, respectively.

(b) Management uses a combined ratio as a primary measure of underwriting profitability. Underwriting profitability is indicated by a combined ratio under 100% and is calculated as the sum of all incurred losses and expenses (excluding interest and income tax expense) divided by the total of premiums and service revenues earned and other fee income.

Our Insurance operations earned income from continuing operations before income tax expense of $50 million for the three months endedMarch 31, 2016, compared to $78 million for the three months endedMarch 31, 2015. The decrease for the three months ended March 31, 2016, was primarily due to early and severe spring hailstorms, which drove higher weather related losses, and lower investment income.

Insurance premiums and service revenue earned was $230 million for the three months endedMarch 31, 2016, compared to $233 million for the same period in 2015. The decrease for the three months endedMarch 31, 2016, was due primarily to lower earned revenue on VSC products.

Net investment income was $34 million for the three months endedMarch 31, 2016, compared to $43 million for the three months endedMarch 31, 2015, respectively. The decrease for the three months ended March 31, 2016, was due primarily to lower realized investment gains as compared to the same period in 2015.

Insurance losses and loss adjustment expenses totaled $73 million for the three months endedMarch 31, 2016, compared to $56 million for the same period in 2015. The increase was primarily due to early and severe spring hailstorms, which drove higher weather related losses. Higher weather-related losses primarily drove the increase in the combined ratio to 94.0% during the three months endedMarch 31, 2016, compared to 85.9% for the three months endedMarch 31, 2015.

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Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The following table shows premium and service revenue written by insurance product.

	Three months ended March 31,
($ in millions)	2016			2015
Vehicle service contracts
New retail	$	96		$	97
Used retail	109			130
Reinsurance (a)	(41		)	(40		)
Total vehicle service contracts (b)	164			187
Wholesale	41			37
Other finance and insurance (c)	17			15
Total	$	222		$	239

(a) Reinsurance represents the transfer of premiums and risk from an Ally insurance company to a third party insurance company.

(b) VSC revenue is earned over the life of the service contract on a basis proportionate to the anticipated cost pattern.

(c) Other finance and insurance includes GAP coverage, excess wear and tear, wind-down of Canadian personal lines, and other ancillary products.

Insurance premiums and service revenue written was $222 million for the three months endedMarch 31, 2016, compared to $239 million for the same period in 2015. The decrease for the three months ended March 31, 2016, was due primarily to lower premium written from used VSCs, and discontinuation of the agent sales channel.

Cash and Investments

A significant aspect of our Insurance operations is the investment of proceeds from premiums and other revenue sources. We use these investments to satisfy our obligations related to future claims at the time these claims are settled. Our Insurance operations have an Investment Committee, which develops guidelines and strategies for these investments. The guidelines established by this committee reflect our risk tolerance, liquidity requirements, regulatory requirements, and rating agency considerations, among other factors.

The following table summarizes the composition of our Insurance operations cash and investment portfolio at fair value.

($ in millions)	March 31, 2016		December 31, 2015
Cash
Noninterest-bearing cash	$	261	$	293
Interest-bearing cash	944		995
Total cash	1,205		1,288
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	50		269
U.S. States and political subdivisions	727		698
Foreign government	191		177
Mortgage-backed	667		694
Asset-backed	5		6
Corporate debt	1,580		1,204
Total debt securities	3,220		3,048
Equity securities	716		717
Total available-for-sale securities	3,936		3,765
Total cash and securities	$	5,141	$	5,053

69

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Mortgage Finance

Results of Operations

The following table summarizes the operating results for our Mortgage Finance operations, which includes high-quality jumbo and LMI mortgage loans originated by third parties after January 1, 2009, excluding discontinued operations for the periods shown. The amounts presented are before the elimination of balances and transactions with our other reportable segments.

	Three months ended March 31,
($ in millions)	2016		2015		Favorable/ (unfavorable) % change
Net financing revenue
Total financing revenue and other interest income	$	57	$	33	73
Interest expense	37		22		(68)
Net financing revenue	20		11		82
Provision for loan losses	3		2		(50)
Noninterest expense
Compensation and benefits expense	3		1		n/m
Other operating expenses	12		7		(71)
Total noninterest expense	15		8		(88)
Income from continuing operations before income tax expense	$	2	$	1	100
Total assets	$	7,493	$	3,941	90

n/m = not meaningful

Our Mortgage Finance operations earned income from continuing operations before income tax expense of $2 million for the three months endedMarch 31, 2016, compared to $1 million for the three months endedMarch 31, 2015. The increase was primarily due to an increase in net financing revenue driven by portfolio growth as a result of bulk acquisitions of mortgage loans. The increase was partially offset by an increase in noninterest expense.

Net financing revenue was $20 million for the three months endedMarch 31, 2016, compared to $11 million for the three months endedMarch 31, 2015. The increase in net financing revenue was primarily due to portfolio growth as a result of bulk acquisitions of mortgage loans. The increase was partially offset by higher funding costs also driven by portfolio growth.

Total noninterest expense was $15 million for the three months endedMarch 31, 2016, compared to $8 million for the three months endedMarch 31, 2015. The increase was primarily due to increases in compensation and benefits expense and overhead expenses as we position for future portfolio growth.

Total assets increased $3.6 billion compared to March 31, 2015. The increase was primarily due to continued purchases of high-quality jumbo and LMI mortgage loans originated by third parties. We expect this activity to continue in support of our treasury ALM activities and diversification. We also plan to introduce limited direct mortgage originations in late 2016. During the three months endedMarch 31, 2016, we purchased $1.4 billion of mortgage loans that were originated by third parties.

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Management's Discussion and Analysis

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Corporate Finance

Results of Operations

The following table summarizes the activities of our Corporate Finance operations excluding discontinued operations for the periods shown. The amounts presented are before the elimination of balances and transactions with our reportable segments.

	Three months ended March 31,
($ in millions)	2016		2015			Favorable/ (unfavorable) % change
Net financing revenue
Interest and fees on finance receivables and loans	$	44	$	33		33
Interest expense	16		13			(23)
Net financing revenue	28		20			40
Total other revenue	6		6			—
Total net revenue	34		26			31
Provision for loan losses	6		(5		)	n/m
Noninterest expense
Compensation and benefits expense	10		8			(25)
Other operating expenses	7		6			(17)
Total noninterest expense	17		14			(21)
Income from continuing operations before income tax expense	$	11	$	17		(35)
Total assets	$	2,839	$	1,976		44

n/m = not meaningful

Our Corporate Finance operations earned income from continuing operations before income tax expense of $11 million for the three months endedMarch 31, 2016, compared to $17 million for the three months endedMarch 31, 2015. The decrease was primarily driven by lower recoveries on nonaccrual loan exposures compared to 2015, increased portfolio level reserves due primarily to higher asset growth, and an increase in noninterest expense. The decrease was partially offset by higher net financing revenue primarily due to asset growth.

Net financing revenue was $28 million for the three months endedMarch 31, 2016, compared to $20 million for the three months endedMarch 31, 2015. The increase was primarily due to asset growth across all business segments in line with our growth strategy, which resulted in a 44% increase in the gross carrying value of finance receivables and loans compared to March 31, 2015. This was partially offset by higher funding costs also driven by asset growth.

The provision for loan losses increased$11 million for the three months endedMarch 31, 2016, compared to the three months endedMarch 31, 2015. The increase was primarily due to higher recoveries on nonaccrual loans in 2015 and increased reserves primarily due to asset growth.

Total noninterest expense was $17 million for the three months endedMarch 31, 2016, compared to $14 million for the three months endedMarch 31, 2015. The increase was primarily due to increased expenses to support the growth of the business.

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Management's Discussion and Analysis

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Corporate and Other

The following table summarizes the activities of Corporate and Other excluding discontinued operations for the periods shown. Corporate and Other primarily consists of activity related to centralized corporate treasury activities such as management of the cash and corporate investment securities and loan portfolios, short- and long-term debt, retail and brokered deposit liabilities, derivative instruments, the amortization of the discount associated with new debt issuances and bond exchanges, and the residual impacts of our corporate FTP and treasury ALM activities. Corporate and Other also includes certain equity investments, the management of our legacy mortgage portfolio, and reclassifications and eliminations between the reportable operating segments.

	Three months ended March 31,
($ in millions)	2016			2015			Favorable/ (unfavorable) % change
Net financing loss
Total financing revenue and other interest income	$	92		$	93		(1)
Interest expense
Original issue discount amortization	18			14			(29)
Other interest expense	81			81			—
Total interest expense	99			95			(4)
Net financing loss (a)	(7		)	(2		)	n/m
Other revenue (expense)
(Loss) gain on mortgage and automotive loans, net	(4		)	61			(107)
Loss on extinguishment of debt	(4		)	(198		)	98
Other gain on investments, net	32			22			45
Other income, net of losses	15			32			(53)
Total other revenue (expense)	39			(83		)	147
Total net revenue (loss)	32			(85		)	138
Provision for loan losses	2			(8		)	(125)
Total noninterest expense (b)	33			43			23
Loss from continuing operations before income tax expense	$	(3	)	$	(120	)	98
Total assets	$	26,690		$	29,016		(8)

n/m = not meaningful

(a) Refer to the table that follows for further details on the components of net financing loss.

(b) Includes a reduction of $202 million for the three months endedMarch 31, 2016, and the three months endedMarch 31, 2015, related to the allocation of corporate overhead expenses to other segments. The receiving segments record their allocation of corporate overhead expense within other operating expense.

The following table summarizes the components of net financing revenue (loss) for Corporate and Other.

	Three months ended March 31,
($ in millions)	2016			2015
Original issue discount amortization (a)	$	(18	)	$	(14	)
Net impact of the funds-transfer pricing methodology	3			4
Other (including legacy mortgage net financing revenue)	8			8
Total net financing loss for Corporate and Other	$	(7	)	$	(2	)
Outstanding original issue discount balance	$	1,375		$	1,425

(a) Amortization is included as interest on long-term debt in the Condensed Consolidated Statement of Comprehensive Income.

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Management's Discussion and Analysis

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The following table presents the scheduled remaining amortization of the original issue discount at March 31, 2016.

Year ended December 31, ($ in millions)	2016		2017		2018		2019		2020		2021 and thereafter (a)		Total
Original issue discount
Outstanding balance	$	1,317	$	1,230	$	1,131	$	1,096	$	1,060	$	1,020
Total amortization (b)	58		87		99		35		36		1,060		$	1,375

(a) The maximum annual scheduled amortization for any individual year is $158 million in 2030.

(b) The amortization is included as interest on long-term debt on the Condensed Consolidated Statement of Comprehensive Income.

Loss from continuing operations before income tax expense for Corporate and Other was $3 million for the three months endedMarch 31, 2016, compared to $120 million for the three months endedMarch 31, 2015. The decrease in loss for the three months ended March 31, 2016, was primarily due to a decrease in loss on extinguishment of debt due to a tender offer in 2015. The decrease in loss was partially offset by a decrease in gain on mortgage and automotive loans due to sales of legacy TDR mortgage loans in 2015, and a decrease in income from certain equity method investments.

We recognized a net loss on mortgage and automotive loans of $4 million for the three months endedMarch 31, 2016, compared to a net gain of $61 million for the three months endedMarch 31, 2015. The decrease in gain was primarily due to nonrecurring sales of legacy TDR mortgage loans in 2015, which totaled $614 million of unpaid principal balance.

Loss on extinguishment of debt was $4 million for the three months endedMarch 31, 2016, compared to $198 million for the three months endedMarch 31, 2015. The decrease in loss was due to nonrecurring debt tender offers in 2015. During the first quarter of 2015, we completed tender offers to buy back $950 million of our high-coupon debt, resulting in a total loss on extinguishment of debt of $197 million related to these transactions.

Other income, net of losses was $15 million for the three months endedMarch 31, 2016, compared to $32 million for the three months endedMarch 31, 2015. The decrease was primarily due to a decrease in income from certain equity method investments partially offset by favorable derivative activity.

Total assets were $26.7 billion as of March 31, 2016, compared to $29.0 billion as of March 31, 2015. The decline was primarily the result of a lower cash and cash equivalents balance due to lower secured debt levels, and the continued runoff of our legacy mortgage portfolio. These decreases were partially offset by growth of our available-for-sale and held-to-maturity investment security portfolios.

Cash and Securities

The following table summarizes the composition of the cash and securities portfolio held at fair value by Corporate and Other.

($ in millions)	March 31, 2016		December 31, 2015
Cash
Noninterest-bearing cash	$	1,620	$	1,829
Interest-bearing cash	2,145		3,232
Total cash	3,765		5,061
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	306		1,472
U.S. States and political subdivisions	16		18
Mortgage-backed	12,146		10,153
Asset-backed	1,776		1,749
Total debt securities	14,244		13,392
Total available-for-sale securities	14,244		13,392
Total held-to-maturity securities	118		—
Total cash and securities	$	18,127	$	18,453

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Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Risk Management

Managing the risk/reward trade-off is a fundamental component of operating our businesses. Our risk management program is overseen by the Ally Board of Directors (the Board), various risk committees, the executive leadership team, and our associates. The Risk and Compliance Committee of the Board, together with the Board, sets the risk appetite across our company while the risk committees, executive leadership team, and our associates identify and monitor current and emerging risks and manage those risks to be within our risk appetite. Ally's primary types of risk include credit, lease residual, market, operational, insurance/underwriting, and liquidity. For more information on our risk management process, refer to the Risk Management MD&A section of our 2015 Annual Report on Form 10-K.

Loan and Lease Exposure

The following table summarizes the exposures from our loan and lease activities.

($ in millions)	March 31, 2016		December 31, 2015
Finance receivables and loans
Automotive Finance	$	97,338	$	99,187
Mortgage Finance	7,443		6,413
Corporate Finance	2,796		2,568
Corporate and Other (a)	3,299		3,432
Total finance receivables and loans	110,876		111,600
Loans held-for-sale
Automotive Finance	—		—
Mortgage Finance	—		—
Corporate Finance	39		105
Corporate and Other	—		—
Total loans held-for-sale	39		105
Total on-balance sheet loans	110,915		111,705
Off-balance sheet securitized loans
Automotive Finance (b)	3,139		2,529
Total off-balance sheet securitized loans	3,139		2,529
Operating lease assets
Automotive Finance	14,958		16,271
Total operating lease assets	14,958		16,271
Total loan and lease exposure	$	129,012	$	130,505
Serviced loans and leases
Automotive Finance (c)	$	118,581	$	119,808
Mortgage Finance	7,443		6,413
Corporate Finance	2,758		2,532
Corporate and Other	3,232		3,360
Total serviced loans and leases	$	132,014	$	132,113

(a) Includes $3.2 billion and $3.4 billion of consumer mortgage loans in our Mortgage — Legacy portfolio at March 31, 2016 and December 31, 2015, respectively.

(b) Represents the current unpaid principal balance of outstanding loans based on our customary representation and warranty provisions.

(c) Includes $3.5 billion and $2.3 billion of off-balance sheet whole-loan transactions at March 31, 2016, and December 31, 2015, respectively.

The risks inherent in our loan and lease exposures are largely driven by changes in the overall economy, used vehicle and housing price levels, unemployment levels, and their impact to our borrowers. The potential financial statement impact of these exposures varies depending on the accounting classification and future expected disposition strategy. We retain the majority of our automotive loans as they complement our core business model, but we do sell loans from time to time on an opportunistic basis. We ultimately manage the associated risks based on the underlying economics of the exposure.

Over the past year, we have experienced significant growth in our consumer retail automotive loan portfolio, which offset a significant reduction in lease originations. As a result of this shift in the portfolio mix, the provision expense for loan losses has increased. However, our risk to future fluctuations in used vehicle prices has diminished because all leases are exposed to potential reductions in used vehicle prices, while only those loans that default and where we take possession of the vehicle are affected by potential reductions in used vehicle prices. Consumer lease residuals are not included in the allowance for loan losses as changes in the expected residual values on consumer leases are

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Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

included in depreciation expense over the remaining life of the lease. Our risk to future fluctuations in used vehicle prices through lease residuals has declined materially and will continue to decline as the number of leases terminating currently is significantly larger than the number of new leases being originated.

Credit Risk Management

Credit risk is defined as the potential failure to receive payments due from an obligor in accordance with contractual obligations. Therefore, credit risk is a major source of potential economic loss to us. Credit risk is monitored by several groups and functions throughout the organization, including enterprise and line of business committees and the risk management function. Together, they oversee the credit decisioning and management processes, and monitor credit risk exposures to ensure they are managed in a safe-and-sound manner and are within our risk appetite. In addition, our Loan Review Group provides an independent assessment of the quality of our credit portfolios and credit risk management practices, and directly reports its findings to the Risk and Compliance Committee of the Board on a regular basis.

To mitigate risk, we have implemented specific policies and practices across all lines of business, utilizing both qualitative and quantitative analyses. This reflects our commitment to maintain an independent and ongoing assessment of credit risk and credit quality. Our policies require an objective and timely assessment of the overall quality of the consumer and commercial loan and lease portfolios. This includes the identification of relevant trends that affect the collectability of the portfolios, segments of the portfolios that are potential problem areas, loans and leases with potential credit weaknesses, and the assessment of the adequacy of internal credit risk policies and procedures to monitor compliance with relevant laws and regulations. Our consumer and commercial loan and lease portfolios are subject to regular stress tests that are based on plausible, but unexpected, economic scenarios to ensure that we can withstand a severe economic downturn. In addition, we establish and maintain underwriting policies and volume based limits across our portfolios and higher risk segments (e.g. nonprime) in support of our risk appetite.

We manage credit risk based on the risk profile of the borrower, the source of repayment, the underlying collateral, and current market conditions. We monitor the credit risk profile of individual borrowers and the aggregate portfolio of borrowers either within a designated geographic region or a particular product or industry segment. We perform quarterly analyses of the consumer automotive, consumer mortgage, and commercial portfolios using a range of indicators to assess the adequacy of the allowance for loan losses based on historical and current trends. Refer to Note 6 to the Condensed Consolidated Financial Statements for additional information.

Additionally, we utilize numerous collection strategies to mitigate loss and provide ongoing support to customers in financial distress. For automotive loans, we work with customers when they become delinquent on their monthly payment. In lieu of repossessing their vehicle, we may offer several types of assistance to aid our customers based on their willingness and ability to repay their loan. Loss mitigation may include extension of the loan maturity date and rewriting the loan terms. For mortgage loans, as part of our participation in certain governmental programs, we offer mortgage loan modifications to qualified borrowers. Numerous initiatives are in place to provide support to our mortgage customers in financial distress, including principal forgiveness, maturity extensions, delinquent interest capitalization, and changes to contractual interest rates.

Furthermore, we manage our counterparty credit exposure based on the risk profile of the counterparty. Within our policies, we have established standards and requirements for managing counterparty risk exposures in a safe-and-sound manner. Counterparty credit risk is derived from multiple exposure types, including derivatives, securities trading, securities financing transactions, financial futures, cash balances (e.g., due from depository institutions, restricted accounts, and cash equivalents), and investment in debt securities. For more information on derivative counterparty credit risk, refer toNote 19 to the Condensed Consolidated Financial Statements.

During the three months endedMarch 31, 2016, the U.S. economy continued to expand. The labor market recovered further during the period, with nonfarm payrolls increasing and the annual unemployment rate remaining flat at 5% from December 31, 2015. Within the U.S. automotive market, new light vehicle sales continued to increase, resulting in a 17.1 million annual pace for the three months ended March 31, 2016. We closely monitor macro-economic trends given the nature of our business and the potential impacts on our credit risk. We continue to be cautious with the economic outlook given continued weak global economic growth and the potential for higher interest rates.

On-balance Sheet Portfolio

Our on-balance sheet portfolio includes both finance receivables and loans and loans held-for-sale. At March 31, 2016, this primarily included $97.3 billion of automotive finance receivables and loans and $10.7 billion of mortgage finance receivables and loans. Our ongoing Mortgage Finance operations are limited to the management of our held-for-investment mortgage loan portfolio. During the three months ended March 31, 2016, we continued to execute bulk purchases of high-quality jumbo and LMI mortgage loans originated by third parties. We expect to continue this activity in support of our treasury ALM activities and diversification. We also plan to introduce limited direct mortgage originations in late 2016.

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The following table presents our total on-balance sheet consumer and commercial finance receivables and loans.

	Outstanding				Nonperforming (a)				Accruing past due 90 days or more
($ in millions)	March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015
Consumer
Finance receivables and loans
Loans at gross carrying value	$	73,688	$	74,065	$	608	$	603	$	—	$	—
Loans at fair value	—		—		—		—		—		—
Total finance receivables and loans	73,688		74,065		608		603		—		—
Loans held-for-sale	—		—		—		—		—		—
Total consumer loans (b)	73,688		74,065		608		603		—		—
Commercial
Finance receivables and loans
Loans at gross carrying value	37,188		37,535		90		77		—		—
Loans held-for-sale	39		105		—		—		—		—
Total commercial loans	37,227		37,640		90		77		—		—
Total on-balance sheet loans	$	110,915	$	111,705	$	698	$	680	$	—	$	—

(a) Includes nonaccrual TDR loans of $276 million and $277 million at March 31, 2016, and December 31, 2015, respectively.

(b) Includes outstanding loans from CSG of $6.2 billion at both March 31, 2016, and December 31, 2015, and RV loans of $1.5 billion at both March 31, 2016, and December 31, 2015.

Total on-balance sheet loans outstanding at March 31, 2016, decreased$790 million to $110.9 billion from December 31, 2015, reflecting a decrease of $413 million in the commercial portfolio and a decrease of $377 million in the consumer portfolio. The decrease in commercial on-balance sheet loans outstanding was primarily driven by seasonality of dealer inventories. The decrease in consumer on-balance sheet loans was primarily driven by the completion of $2.6 billion in consumer automotive loan sales and securitizations of higher quality prime assets. This decrease was largely offset by our consumer automotive loan originations, which outpaced portfolio runoff, and the execution of bulk purchases of high-quality jumbo and LMI mortgage loans originated by third parties totaling $1.4 billion during the three months endedMarch 31, 2016.

Total TDRs outstanding at March 31, 2016, increased $16 million to $641 million from December 31, 2015. Refer to Note 6 to the Condensed Consolidated Financial Statements for additional information.

Total nonperforming loans at March 31, 2016, increased$18 million to $698 million from December 31, 2015, reflecting an increase of $13 million of commercial nonperforming loans and an increase of $5 million of consumer nonperforming loans. Nonperforming loans include finance receivables and loans on nonaccrual status when the principal or interest has been delinquent for 90 days or when full collection is determined not to be probable. Refer to Note 1 to the Consolidated Financial Statements included in our 2015 Annual Report on Form 10-K for additional information.

The following table includes consumer and commercial net charge-offs from finance receivables and loans at gross carrying value and related ratios.

	Three months ended March 31,
	Net charge-offs (recoveries)					Net charge-off ratios (a)
($ in millions)	2016		2015			2016		2015
Consumer	$	179	$	151		1.0	%	0.9	%
Commercial	—		(1		)	—		—
Total finance receivables and loans at gross carrying value	$	179	$	150		0.6	%	0.6	%

(a) Net charge-off ratios are calculated as annualized net charge-offs divided by average outstanding finance receivables and loans excluding loans measured at fair value and loans held-for-sale during the period for each loan category.

Net charge-offs were $179 million for the three months endedMarch 31, 2016, compared to $150 million for the three months endedMarch 31, 2015. The increase during the three months ended March 31, 2016, was driven primarily by consumer automotive portfolio growth and the change in our portfolio composition as we continued the execution of our underwriting strategy to originate consumer automotive assets across a broad risk spectrum.

76

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The Consumer Credit Portfolio and Commercial Credit Portfolio discussions that follow relate to consumer and commercial finance receivables and loans recorded at gross carrying value. Finance receivables and loans recorded at gross carrying value have an associated allowance for loan losses.

Consumer Credit Portfolio

During the three months endedMarch 31, 2016, the credit performance of the consumer portfolio remained strong and reflects both the continued execution of our underwriting strategy to originate consumer automotive assets across a broad risk spectrum, including used, nonprime, extended term, Growth, and nonsubvented finance receivables and loans and our continued execution of bulk purchases of high-quality jumbo and LMI mortgage loans originated by third parties. For information on our consumer credit risk practices and policies regarding delinquencies, nonperforming status, and charge-offs, refer to Note 1 to the Consolidated Financial Statements included in our 2015 Annual Report on Form 10-K.

The following table includes consumer finance receivables and loans recorded at gross carrying value.

	Outstanding				Nonperforming (a)				Accruing past due 90 days or more
($ in millions)	March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015
Consumer automotive (b) (c)	$	63,013	$	64,292	$	492	$	475	$	—	$	—
Consumer mortgage
Mortgage Finance	7,443		6,413		11		15		—		—
Mortgage — Legacy	3,232		3,360		105		113		—		—
Total consumer finance receivables and loans	$	73,688	$	74,065	$	608	$	603	$	—	$	—

(a) Includes nonaccrual TDR loans of $233 million at both March 31, 2016, and December 31, 2015.

(b) Includes $87 million and $66 million of fair value adjustment for loans in hedge accounting relationships at March 31, 2016, and December 31, 2015, respectively. Refer to Note 19 to the Condensed Consolidated Financial Statements for additional information.

(c) Includes outstanding CSG loans of $6.2 billion at both March 31, 2016, and December 31, 2015, and RV loans of $1.5 billion at both March 31, 2016, and December 31, 2015.

Total consumer outstanding finance receivables and loans decreased$377 million at March 31, 2016, compared with December 31, 2015. The decrease in consumer automotive finance receivables and loans was primarily related to the completion of $2.6 billion in loan sales and securitizations of higher quality prime assets, partially offset by our loan originations, which outpaced portfolio runoff. This decrease was partially offset by an increase in consumer mortgage finance receivables and loans primarily due to growth in the Mortgage Finance portfolio due to the execution of bulk loan purchases, which outpaced total consumer mortgage portfolio runoff.

Total consumer nonperforming finance receivables and loans at March 31, 2016, increased$5 million to $608 million from December 31, 2015, reflecting an increase of $17 million of consumer automotive finance receivables and loans and a decrease of $12 million of consumer mortgage nonperforming finance receivables and loans. The increase in nonperforming consumer automotive finance receivables and loans was primarily due to the change in our portfolio composition as we continued the execution of our underwriting strategy to expand our originations across a broad risk spectrum. The decrease in nonperforming consumer mortgage finance receivables and loans was primarily due to fewer accounts deteriorating into nonperforming status due to continued improvement in the macroeconomic environment, and the liquidation of certain nonperforming accounts. Refer to Note 6 to the Condensed Consolidated Financial Statements for additional information. Nonperforming consumer finance receivables and loans as a percentage of total outstanding consumer finance receivables and loans were 0.8% at both March 31, 2016, and December 31, 2015.

Consumer automotive loans accruing and past due 30 days or more decreased $499 million to $1.4 billion at March 31, 2016, compared with December 31, 2015, primarily due to seasonality.

77

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The following table includes consumer net charge-offs from finance receivables and loans at gross carrying value and related ratios.

	Three months ended March 31,
	Net charge-offs				Net charge-off ratios (a)
($ in millions)	2016		2015		2016		2015
Consumer automotive	$	173	$	132	1.1	%	0.9	%
Consumer mortgage
Mortgage Finance	—		1		—		0.1
Mortgage — Legacy	6		18		0.7		1.9
Total consumer finance receivables and loans	$	179	$	151	1.0	%	0.9	%

(a) Net charge-off ratios are calculated as net charge-offs divided by average outstanding finance receivables and loans excluding loans measured at fair value and loans held-for-sale during the period for each loan category.

Our net charge-offs from total consumer finance receivables and loans were $179 million for the three months endedMarch 31, 2016, compared to $151 million for the three months endedMarch 31, 2015. The increase during the three months ended March 31, 2016, was driven primarily by consumer automotive portfolio growth and the change in our automotive portfolio composition as we continued the execution of our underwriting strategy to originate consumer automotive assets across a broad risk spectrum.

The following table summarizes the unpaid principal balance of total consumer loan originations for the periods shown. Total consumer loan originations include loans classified as finance receivables and loans and loans held-for-sale during the period.

	Three months ended March 31,
($ in millions)	2016		2015
Consumer automotive (a)	$	8,208	$	8,201
Consumer mortgage	4		—
Total consumer loan originations	$	8,212	$	8,201

(a) Includes $1.2 billion of loans originated as held-for-sale during the first quarter of 2015.

The following table shows the percentage of total consumer finance receivables and loans recorded at gross carrying value by state concentration. Total automotive loans were $63.0 billion and $64.3 billion at March 31, 2016, and December 31, 2015, respectively. Total mortgage and home equity loans were $10.7 billion and $9.8 billion at March 31, 2016, and December 31, 2015, respectively.

	March 31, 2016 (a)				December 31, 2015
	Consumer automotive		Consumer mortgage		Consumer automotive		Consumer mortgage
Texas	13.7	%	6.4	%	13.7	%	6.2	%
California	7.5		34.5		7.3		33.6
Florida	7.8		4.1		7.7		4.1
Pennsylvania	4.9		1.5		5.0		1.5
Illinois	4.4		3.8		4.4		4.1
Georgia	4.4		2.3		4.4		2.2
North Carolina	3.6		1.7		3.6		1.8
Ohio	3.7		0.6		3.7		0.6
New York	3.4		1.9		3.5		1.9
Michigan	2.9		2.1		3.1		2.4
Other United States	43.7		41.1		43.6		41.6
Total consumer loans	100.0	%	100.0	%	100.0	%	100.0	%

(a) Presentation is in descending order as a percentage of total consumer finance receivables and loans at March 31, 2016.

We monitor our consumer loan portfolio for concentration risk across the geographies in which we lend. The highest concentrations of consumer loans are in Texas and California, which represented an aggregate of 24.0% and 23.5% of our total outstanding consumer finance receivables and loans at March 31, 2016, and December 31, 2015, respectively.

78

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Repossessed and Foreclosed Assets

We classify an asset as repossessed or foreclosed (included in other assets on the Condensed Consolidated Balance Sheet) when physical possession of the collateral is taken, which includes the transfer of title through foreclosure or other similar proceedings. We dispose of the acquired collateral in a timely fashion in accordance with regulatory requirements. For more information on repossessed and foreclosed assets, refer to Note 1 to the Consolidated Financial Statements included in our 2015 Annual Report on Form 10-K.

Repossessed consumer automotive loan assets in our Automotive Finance operations at March 31, 2016, decreased $8 million to $114 million from December 31, 2015. Foreclosed mortgage assets at March 31, 2016, decreased $1 million to $9 million from December 31, 2015.

Commercial Credit Portfolio

During the three months endedMarch 31, 2016, the credit performance of the commercial portfolio remained strong, as nonperforming finance receivables and loans remained low and no net charge-offs were realized. For information on our commercial credit risk practices and policies regarding delinquencies, nonperforming status, and charge-offs, refer to Note 1 to the Consolidated Financial Statements included in our 2015 Annual Report on Form 10-K.

The following table includes total commercial finance receivables and loans reported at gross carrying value.

	Outstanding				Nonperforming (a)				Accruing past due 90 days or more
($ in millions)	March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015
Commercial and industrial
Automotive	$	30,829	$	31,469	$	19	$	25	$	—	$	—
Other (b)	2,863		2,640		66		44		—		—
Commercial real estate — Automotive	3,496		3,426		5		8		—		—
Total commercial finance receivables and loans	$	37,188	$	37,535	$	90	$	77	$	—	$	—

(a) Includes nonaccrual TDR loans of $43 million and $44 million at March 31, 2016, and December 31, 2015, respectively.

(b) Other commercial primarily includes senior secured commercial lending.

Total commercial finance receivables and loans outstanding decreased$347 million from December 31, 2015, to $37.2 billion at March 31, 2016. The commercial and industrial finance receivables and loans outstanding decreased $417 million primarily due to seasonality of dealer inventories, as well as the competitive environment across the automotive lending market. This decrease was partially offset by the increase within Other, representing the Corporate Finance portfolio, as the growth in this portfolio continues in line with our business strategy.

Total commercial nonperforming finance receivables and loans were $90 million at March 31, 2016, reflecting an increase of $13 million when compared to December 31, 2015. However, nonperforming commercial finance receivables and loans as a percentage of outstanding commercial finance receivables and loans remained flat at 0.2% at both March 31, 2016, and December 31, 2015.

The following table includes total commercial net charge-offs from finance receivables and loans at gross carrying value and related ratios.

	Three months ended March 31,
	Net (recoveries) charge-offs					Net charge-off ratios (a)
($ in millions)	2016		2015			2016		2015
Commercial and industrial
Automotive	$	—	$	(1	)	—	%	—	%
Other	—		—			—		—
Total commercial finance receivables and loans	$	—	$	(1	)	—	%	—	%

(a) Net charge-off ratios are calculated as net charge-offs divided by average outstanding finance receivables and loans excluding loans measured at fair value and loans held-for-sale during the period for each loan category.

Commercial Real Estate

The commercial real estate portfolio consists of finance receivables and loans issued primarily to automotive dealers. Commercial real estate finance receivables and loans were $3.5 billion and $3.4 billion at March 31, 2016, and December 31, 2015, respectively.

79

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

The following table presents the percentage of total commercial real estate finance receivables and loans by state concentration. These finance receivables and loans are reported at gross carrying value.

	March 31, 2016		December 31, 2015
Texas	17.8	%	17.7	%
Florida	9.9		10.0
California	8.7		8.7
Michigan	8.2		8.9
North Carolina	3.8		3.8
Virginia	3.7		3.8
Pennsylvania	3.6		3.4
Georgia	3.6		3.6
Illinois	3.0		2.9
New York	3.0		3.1
Other United States	34.7		34.1
Total commercial real estate finance receivables and loans	100.0	%	100.0	%

Commercial Criticized Exposure

Finance receivables and loans classified as special mention, substandard, or doubtful are deemed criticized. These classifications are based on regulatory definitions and generally represent finance receivables and loans within our portfolio that have a higher default risk or have already defaulted. These finance receivables and loans require additional monitoring and review including specific actions to mitigate our potential loss.

The following table presents the percentage of total commercial criticized finance receivables and loans by industry concentrations. These finance receivables and loans within our automotive and Corporate Finance portfolios are reported at gross carrying value.

	March 31, 2016		December 31, 2015
Industry
Automotive	75.1	%	80.5	%
Manufacturing	7.8		7.8
Services	5.9		5.3
Other	11.2		6.4
Total commercial criticized finance receivables and loans	100.0	%	100.0	%

Total criticized exposures increased $167 million from December 31, 2015, to $2.7 billion at March 31, 2016. The increase was primarily related to the overall growth of the Corporate Finance portfolio.

80

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Allowance for Loan Losses

The following tables present an analysis of the activity in the allowance for loan losses on finance receivables and loans.

Three months ended March 31, 2016 ($ in millions)	Consumer automotive			Consumer mortgage			Total consumer			Commercial			Total
Allowance at January 1, 2016	$	834		$	114		$	948		$	106		$	1,054
Charge-offs	(253		)	(10		)	(263		)	—			(263		)
Recoveries	80			4			84			—			84
Net charge-offs	(173		)	(6		)	(179		)	—			(179		)
Provision for loan losses	207			7			214			6			220
Other (a)	(18		)	—			(18		)	—			(18		)
Allowance at March 31, 2016	$	850		$	115		$	965		$	112		$	1,077
Allowance for loan losses to finance receivables and loans outstanding at March 31, 2016 (b)	1.3		%	1.1		%	1.3		%	0.3		%	1.0		%
Net charge-offs to average finance receivables and loans outstanding for the three months ended March 31, 2016 (b)	1.1		%	0.3		%	1.0		%	—		%	0.6		%
Allowance for loan losses to total nonperforming finance receivables and loans at March 31, 2016 (b)	172.9		%	99.0		%	158.8		%	123.3		%	154.2		%
Ratio of allowance for loan losses to net charge-offs at March 31, 2016	1.2			4.4			1.3			n/m			1.5

n/m = not meaningful

(a) Primarily related to the transfer of finance receivables and loans from held-for-investment to held-for-sale.

(b) Coverage percentages are based on the allowance for loan losses related to finance receivables and loans excluding those loans held at fair value as a percentage of the unpaid principal balance, net of premiums and discounts.

Three months ended March 31, 2015 ($ in millions)	Consumer automotive			Consumer mortgage			Total consumer			Commercial			Total
Allowance at January 1, 2015	$	685		$	152		$	837		$	140		$	977
Charge-offs	(193		)	(22		)	(215		)	—			(215		)
Recoveries	61			3			64			1			65
Net charge-offs	(132		)	(19		)	(151		)	1			(150		)
Provision for loan losses	158			(5		)	153			(37		)	116
Other (a)	—			(9		)	(9		)	(1		)	(10		)
Allowance at March 31, 2015	$	711		$	119		$	830		$	103		$	933
Allowance for loan losses to finance receivables and loans outstanding at March 31, 2015 (b)	1.2		%	1.6		%	1.3		%	0.3		%	0.9		%
Net charge-offs to average finance receivables and loans outstanding for the three months ended March 31, 2015 (b)	0.9		%	1.0		%	0.9		%	—		%	0.6		%
Allowance for loan losses to total nonperforming finance receivables and loans at March 31, 2015 (b)	188.8		%	78.8		%	157.3		%	159.1		%	157.5		%
Ratio of allowance for loan losses to net charge-offs at March 31, 2015	1.3			1.5			1.4			(26.8		)	1.6

(a) Primarily related to the transfer of finance receivables and loans from held-for-investment to held-for-sale.

(b) Coverage percentages are based on the allowance for loan losses related to finance receivables and loans excluding those loans held at fair value as a percentage of the unpaid principal balance, net of premiums and discounts.

The allowance for consumer loan losses at March 31, 2016, increased$135 million compared to March 31, 2015. The increase was primarily due to growth in the consumer automotive portfolio and the change in our automotive portfolio composition as we continued the execution of our underwriting strategy to originate consumer automotive assets across a broad risk spectrum.

The allowance for commercial loan losses increased$9 million at March 31, 2016, compared to March 31, 2015, primarily due to portfolio growth.

81

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Allowance for Loan Losses by Type

The following table summarizes the allocation of the allowance for loan losses by product type.

	2016						2015
March 31, ($ in millions)	Allowance for loan losses		Allowance as a % of loans outstanding		Allowance as a % of total allowance for loan losses		Allowance for loan losses		Allowance as a % of loans outstanding		Allowance as a % of total allowance for loan losses
Consumer
Consumer automotive	$	850	1.3	%	78.9	%	$	711	1.2	%	76.1	%
Consumer mortgage
Mortgage Finance	18		0.2		1.7		11		0.3		1.2
Mortgage — Legacy	97		3.0		9.0		108		2.9		11.6
Total consumer mortgage	115		1.1		10.7		119		1.6		12.8
Total consumer loans	965		1.3		89.6		830		1.3		88.9
Commercial
Commercial and industrial
Automotive	31		0.1		2.9		44		0.1		4.7
Other	57		2.0		5.3		36		1.8		3.9
Commercial real estate — Automotive	24		0.7		2.2		23		0.7		2.5
Total commercial loans	112		0.3		10.4		103		0.3		11.1
Total allowance for loan losses	$	1,077	1.0	%	100.0	%	$	933	0.9	%	100.0	%

Provision for Loan Losses

The following table summarizes the provision for loan losses by product type.

	Three months ended March 31,
($ in millions)	2016		2015
Consumer
Consumer automotive	$	207	$	158
Consumer mortgage
Mortgage Finance	3		2
Mortgage — Legacy	4		(7		)
Total consumer mortgage	7		(5		)
Total consumer loans	214		153
Commercial
Commercial and industrial
Automotive	1		(22		)
Other	4		(6		)
Commercial real estate — Automotive	1		(9		)
Total commercial loans	6		(37		)
Total provision for loan losses	$	220	$	116

The provision for consumer loan losses increased$61 million for the three months endedMarch 31, 2016, compared to the same period in 2015. The increase in the consumer automotive portfolio was primarily due to portfolio growth and the change in our portfolio composition as we continued the execution of our underwriting strategy to originate consumer automotive assets across a broad risk spectrum. The increase in the consumer mortgage portfolio was primarily due to growth in the Mortgage Finance portfolio, combined with reserve releases in the prior year that did not repeat. The reserve releases in the prior year period were driven by lower reserve requirements due to favorable macroeconomic factors in the Mortgage — Legacy portfolio.

The provision for commercial loan losses was $6 million for the three months ended March 31, 2016, compared to a net credit of $37 million for the same period in 2015. The increase was primarily due to reserve releases that did not repeat.

82

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

Lease Residual Risk Management

We are exposed to residual risk on vehicles in the consumer lease portfolio. This lease residual risk represents the possibility that the actual proceeds realized upon the sale of returned vehicles will be lower than the projection of these values used in establishing the pricing at lease inception. For information on our valuation of automotive lease residuals including periodic revisions through adjustments to depreciation expense based on current and forecasted market conditions, refer to the section titled Critical Accounting Estimates — Valuation of Automotive Lease Assets and Residuals within the MD&A included in our 2015 Annual Report on Form 10-K.

Lease Vehicle Terminations and Remarketing

The following table summarizes the volume of lease terminations and average gain per vehicle over recent periods, as well as our methods of vehicle sales at lease termination, stated as a percentage of total lease vehicle disposals. The actual gain per vehicle on lease terminations varies based upon the type of vehicle.

	Three months ended March 31,
	2016			2015
Off-lease vehicles terminated (in units)	78,820			65,060
Average gain per vehicle ($ per unit)	$	700		$	1,067
Method of vehicle sales
Auction
Internet	57		%	53		%
Physical	13			10
Sale to dealer, lessee, and other	30			37

The number of off-lease vehicles remarketed during the three months endedMarch 31, 2016, increased 21%, compared to the same period in 2015. The increase in the number of off-lease vehicles remarketed during the three months endedMarch 31, 2016, reflects a shift of incentive programs from two-year leases in 2012 towards three-year leases in 2013. We expect termination volumes to increase during 2016 as three-year leases continue to terminate. In 2018 and beyond, we expect our termination volumes to decrease significantly as a direct result of lower GM lease originations.

Average gain per vehicle decreased for the three months ended March 31, 2016, compared to the same period in 2015. The decrease for the three months ended March 31, 2016, was primarily due to lower lifetime depreciation recognized on terminated lease vehicles as a result of higher anticipated proceeds based on recent market conditions. This trend is expected to continue in the near term. For more information on our investment in operating leases, refer to Note 7 to the Condensed Consolidated Financial Statements, and Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K.

Lease Portfolio Mix

We monitor the concentration of our outstanding operating leases. The following table presents the mix of leased vehicles by type, based on volume of units.

March 31,	2016		2015
Car	37	%	39	%
Truck	14		13
Sport utility vehicle	49		48

Market Risk

Our automotive financing, mortgage, and insurance activities give rise to market risk representing the potential loss in the fair value of assets or liabilities and earnings caused by movements in market variables, such as interest rates, foreign-exchange rates, equity prices, market perceptions of credit risk, and other market fluctuations that affect the value of securities, assets held-for-sale, and operating leases. We are exposed to interest rate risk arising from changes in interest rates related to financing, investing, and cash management activities. More specifically, we have entered into contracts to provide financing and to retain various assets related to securitization activities all of which are exposed in varying degrees to changes in value due to movements in interest rates. Interest rate risk arises from the mismatch between assets and the related liabilities used for funding. We enter into various financial instruments, including derivatives, to maintain the desired level of exposure to the risk of interest rate and other fluctuations. Refer to Note 19 to the Condensed Consolidated Financial Statements for further information.

We are also exposed to some foreign-currency risk arising from foreign-currency denominated assets and liabilities, primarily in Canada. We enter into hedges to mitigate foreign exchange risk.

83

Management's Discussion and Analysis

Ally Financial Inc. • Form 10-Q

We also have exposure to equity price risk, primarily in our Insurance operations, which invests in equity securities that are subject to price risk influenced by capital market movements. We enter into equity options to economically hedge our exposure to the equity markets. Additionally, we have exposure to equity price risk related to certain share-based compensation programs. We enter into prepaid equity forward contracts to economically hedge a portion of this exposure.

Although the diversity of our activities from our complementary lines of business may partially mitigate market risk, we also actively manage this risk. We maintain risk management control systems to monitor interest rates, foreign-currency exchange rates, equity price risks, and any of their related hedge positions. Positions are monitored using a variety of analytical techniques including market value, sensitivity analysis, and value at risk models.

Net Financing Revenue Sensitivity Analysis

Interest rate risk represents our most significant exposure to market risk. We actively monitor the level of exposure so that movements in interest rates do not adversely affect future earnings. We use net financing revenue sensitivity analysis as our primary metric to measure and manage the interest rate sensitivities of our financial instruments.

We prepare forward-looking forecasts of net financing revenue, which take into consideration anticipated future business growth, asset/liability positioning, and interest rates based on the implied forward curve. Simulations are used to assess changes in net financing revenue in multiple interest rates scenarios relative to the baseline forecast. The changes in net financing revenue relative to the baseline are defined as the sensitivity. Our simulation incorporates contractual cash flows and repricing characteristics for all assets, liabilities and off-balance sheet exposures and incorporates the effects of changing interest rates on the prepayment and attrition rates of certain assets and liabilities. The analysis is highly dependent upon a variety of assumptions including the repricing characteristics of deposits with noncontractual maturities. Our simulation does not assume any specific future actions are taken to mitigate the impacts of changing interest rates.Relative to our baseline forecast, which is based on the implied forward curve, our net financing revenue over the next twelve months would decrease by $26 million if interest rates remain unchanged.

The net financing revenue sensitivity tests measure the potential change in our pretax net financing revenue over the following twelve months. A number of alternative rate scenarios are tested, including immediate and gradual parallel shocks to both current spot rates and the market forward curve. We also evaluate nonparallel shocks to interest rates and stresses to certain term points on the yield curve in isolation to capture and monitor a number of risk types.

Our twelve-month pretax net financing revenue sensitivity based on the market forward-curve was as follows.

	March 31, 2016						December 31, 2015
Change in Interest Rates ($ in millions)	Instantaneous			Gradual (a)			Instantaneous			Gradual (a)
-100 basis points	$	(84	)	$	(14	)	$	47		$	17
+100 basis points	(29		)	(16		)	(109		)	(37		)
+200 basis points	(151		)	(48		)	(278		)	(96		)

(a) Gradual changes in interest rates are recognized over 12 months.

Our exposure to upward interest rate shocks has declined since December 31, 2015 primarily due to a reduction in implied forward interest rates. In addition, we reduced our receive-fixed interest rate swap portfolio and the sensitivity to consumer deposits with embedded optionality declined given the lower interest rate environment. The adverse change in the downward interest rate shock scenario is primarily driven by increased prepayment sensitivity across our whole loan mortgage and mortgage-backed securities portfolios. The downward shock scenario is impacted by the current low rate environment, which limits absolute declines in short-term rates in a shock scenario.

The future repricing behavior of retail deposit liabilities, particularly non-maturity deposits, remains a significant driver of interest rate sensitivity. The sustained low interest rate environment increases the uncertainty of assumptions for deposit repricing relationships to market interest rates. Our interest rate risk models use dynamic assumptions driven by a number of factors, including the overall level of interest rates and the spread between short-term and long-term interest rates to project changes in our retail deposit offered rates. Our interest rate risk metrics currently assume a long-term retail deposit beta of greater than 75%. We believe our deposits may ultimately be less sensitive to interest rate changes, which will reduce our overall exposure to rising rates. Assuming a long-term retail deposit beta of 50% (vs. current assumption of greater than 75%) would result in a consolidated interest rate risk position that is asset sensitive.

Our pro-forma rate sensitivity assuming a 50% deposit pass-through based on the forward-curve was as follows.

	March 31, 2016						December 31, 2015
Change in Interest Rates ($ in millions)	Instantaneous			Gradual (a)			Instantaneous			Gradual (a)
-100 basis points	$	(233	)	$	(67	)	$	(89	)	$	(19	)
+100 basis points	73			21			13			4
+200 basis points	104			35			(13		)	(1		)

(a) Gradual changes in interest rates are recognized over 12 months.

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Our liability sensitive risk position is also driven by receive-fixed interest rate swaps designated as fair value hedges of certain fixed-rate liabilities including legacy unsecured debt. These swaps continue to generate positive financing revenue in the current interest rate environment, but also add to our liability sensitive position. The impact of receive-fixed interest rate swaps is partially offset by pay-fixed interest rate swaps designated as fair value hedges of certain retail automotive assets. The size, maturity and mix of our hedging activities change frequently as we adjust our broader asset and liability management objectives.

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Liquidity Management, Funding, and Regulatory Capital

Overview

The purpose of liquidity management is to ensure our ability to meet loan and lease demand, debt maturities, deposit withdrawals, and other cash commitments under both normal operating conditions as well as periods of economic or financial stress. Our primary objective is to maintain cost-effective, stable and diverse sources of funding capable of sustaining the organization throughout all market cycles. Sources of funding include both retail and brokered deposits and secured and unsecured market-based funding across various maturity, interest rate, and investor profiles. Additional liquidity is available through a pool of unencumbered highly liquid securities, borrowing facilities, repurchase agreements, as well as funding programs supported by the Federal Reserve and the Federal Home Loan Bank of Pittsburgh (FHLB).

We define liquidity risk as the risk that an institution's financial condition or overall safety and soundness is adversely affected by an inability, or perceived inability, to meet its financial obligations, and to withstand unforeseen liquidity stress events. Liquidity risk can arise from a variety of institution specific or market-related events that could have a negative impact on cash flows available to the organization. Effective management of liquidity risk helps ensure an organization's preparedness to meet cash flow obligations caused by unanticipated events. Managing liquidity needs and contingent funding exposures has proven essential to the solvency of financial institutions.

The Asset-Liability Committee (ALCO) is chaired by the Corporate Treasurer and is responsible for overseeing our liquidity, funding strategies and plans, contingency funding plans, and counterparty credit exposure arising from financial transactions. Corporate Treasury is responsible for managing our liquidity positions within prudent operating guidelines and targets approved by ALCO and the Risk and Compliance Committee of the Ally Board of Directors. Liquidity risk is managed for the parent company, Ally Bank, and the consolidated organization. The parent company and Ally Bank prepare periodic forecasts depicting anticipated funding needs and sources of funds with oversight and monitoring by the Liquidity Risk group within Corporate Treasury. Corporate Treasury executes our funding strategies and manages liquidity under baseline economic projections as well as more severely stressed macroeconomic environments.

Funding Strategy

Liquidity and ongoing profitability are largely dependent on the timely and cost-effective access to retail deposits and funding in different segments of the capital markets. Our funding strategy largely focuses on the development of diversified funding sources across a broad investor base to meet liquidity needs throughout different market cycles, including periods of financial distress. These funding sources include wholesale and retail unsecured debt, public and private asset-backed securitizations, whole-loan sales, committed credit facilities, FHLB advances, brokered deposits, and retail deposits. We also supplement these funding sources with a modest amount of short-term borrowings, including demand notes and repurchase arrangements. The diversity of our funding sources enhances funding flexibility, limits dependence on any one source, and results in a more cost-effective funding strategy over the long term. We evaluate funding markets on an ongoing basis to achieve an appropriate balance of unsecured and secured funding sources and maturity profiles. In addition, we further distinguish our funding strategy between Ally Bank funding and parent company (nonbank) funding.

We diversify Ally Bank's overall funding in order to reduce reliance on any one source of funding and to achieve a well-balanced funding portfolio across a spectrum of risk, duration, and cost of funds characteristics. We optimize our funding sources at Ally Bank by growing retail deposits, maintaining active public and private securitization programs, managing a prudent maturity profile of our brokered deposit portfolio, utilizing repurchase agreements, and continuing to access funds from the FHLB.

Since 2009, a significant portion of asset originations have been directed to Ally Bank in order to reduce parent company exposures and funding requirements, and to utilize our growing consumer deposit-taking capabilities. This has allowed us to use bank funding for a wider array of our automotive finance assets and to provide a sustainable long-term funding channel for the business, while also improving the cost of funds for the enterprise.

Liquidity Risk Management

Multiple metrics are used to frame the level of liquidity risk, manage the liquidity position, and identify related trends. These metrics include coverage ratios and stress tests that measure the sufficiency of the liquidity portfolio, stability ratios that measure longer-term structural liquidity, and concentration ratios that ensure prudent funding diversification. In addition, we have established internal management routines designed to review all aspects of liquidity and funding plans, evaluate the adequacy of liquidity buffers, review stress testing results, and assist senior management in the execution of its funding strategy and risk management accountabilities.

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We maintain available liquidity in the form of cash, unencumbered highly liquid securities, and available committed credit facility capacity that, taken together, would allow us to operate and to meet our contractual and contingent obligations in the event that market-wide disruptions and enterprise-specific events disrupt normal access to funding. The available liquidity is held at various entities and considers regulatory restrictions and tax implications that may limit our ability to transfer funds across entities. The following table summarizes our total available liquidity.

March 31, 2016($ in millions)	Ally Bank			Parent company (nonbank) (a)
Unencumbered highly liquid U.S. federal government and U.S. agency securities	$	6,822		$	1,809
Liquid cash and equivalents	2,114			2,679
Committed funding facilities (b)
Total capacity	4,510			15,790
Outstanding	2,760			15,325
Unused capacity (c)	1,750			465
Intercompany loan (d)	(775		)	775
Total available liquidity	$	9,911		$	5,728

(a) Parent company liquidity is defined as our consolidated operations less Ally Bank and the regulated subsidiaries of Ally Insurance's holding company.

(b) Committed funding facilities include both consolidated and nonconsolidated facilities.

(c) Funding from committed secured facilities is available on request in the event excess collateral resides in certain facilities or is available to the extent incremental collateral is available and contributed to the facilities.

(d) To optimize cash and secured facility capacity between entities, the parent company lends cash to Ally Bank on occasion under an intercompany loan agreement. Amounts outstanding on this loan are repayable to the parent company upon demand, subject to a five day notice period.

As of March 31, 2016, assuming a long-term capital markets stress, we expect that our available liquidity would allow us to continue to fund all planned loan originations and meet all of our financial obligations for approximately 36 months, assuming no issuance of unsecured debt or term securitizations.

In addition, our estimated Modified Liquidity Coverage Ratio exceeded 100% at March 31, 2016. Refer to Note 18 to the Condensed Consolidated Financial Statements for further discussion of our liquidity requirements.

Ally Bank

Ally Bank gathers retail deposits directly from customers through direct banking via the internet, telephone, mobile, and mail channels. These retail deposits provide our Automotive Finance, Mortgage Finance, and Corporate Finance operations with a stable and low-cost funding source.

Optimizing bank funding continues to be a key part of our long-term liquidity strategy. We have made significant progress in migrating asset originations to Ally Bank and growing our retail deposit base since becoming a BHC in December 2008. Retail deposit growth is a key driver of optimizing funding costs and reducing reliance on capital markets based funding. We believe deposits provide a stable, low-cost source of funds that are less sensitive to interest rate changes, market volatility, or changes in credit ratings when compared to other funding sources. We have continued to expand our deposit gathering efforts through both direct and indirect marketing channels. Current retail deposit offerings consist of a variety of products including CDs, savings accounts, money market accounts, IRA deposit products, as well as an interest checking product. In addition, we utilize brokered deposits, which are obtained through third-party intermediaries.

The following table shows Ally Bank's number of accounts and deposit balances by type as of the end of each quarter since 2015.

($ in millions)	1st Quarter 2016		4th Quarter 2015		3rd Quarter 2015		2nd Quarter 2015		1st Quarter 2015
Number of retail accounts	2,139,184		1,969,562		1,931,380		1,874,632		1,818,770
Deposits
Retail	$	58,977	$	55,437	$	53,502	$	51,750	$	50,633
Brokered	10,979		10,723		10,180		9,844		9,835
Other (a)	91		89		91		89		79
Total deposits	$	70,047	$	66,249	$	63,773	$	61,683	$	60,547

(a) Other deposits include mortgage escrow and other deposits (excluding intercompany deposits).

During the first three months of 2016, the deposit base at Ally Bank grew $3.8 billion. The growth in total deposits has been primarily attributable to our retail deposit portfolio, particularly within our savings and money market accounts. Strong retention rates and customer acquisition continue to drive growth in retail deposits. Refer to Note 11 to the Condensed Consolidated Financial Statements for a summary of deposit funding by type.

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In addition to building a larger deposit base, we continue to remain active in the securitization markets to finance our Ally Bank automotive loan portfolios. During the first quarter of 2016, Ally Bank raised $1.8 billion through the completion of term securitization transactions backed by retail automotive loans, which includes $1.0 billion through the completion of one off-balance sheet securitization transaction backed by retail automotive loans. In addition, Ally Bank raised $1.6 billion related to whole-loan sales comprised of retail automotive loans.

Securitization has proven to be a reliable and cost-effective funding source. Additionally, for retail automotive loans and lease notes, the term structure of the transaction locks in funding for a specified pool of loans and leases for the life of the underlying asset, creating an effective tool for managing interest rate and liquidity risk. We manage secured funding execution risk by maintaining a diverse investor base and available committed credit facility capacity. Ally Bank has exclusive access to private committed funding facilities, the largest of which is a $3.0 billion syndicated credit facility of sixteen lenders shared with the parent company. This facility can fund automotive retail and dealer floorplan loans, as well as leases. During March 2016, this facility was renewed with the maturity extended to March 2018. Our ability to access the unused capacity in the secured facility depends on the availability of eligible assets to collateralize the incremental funding and, in some instances, on the execution of interest rate hedges.

Ally Bank also has access to funding through advances with the FHLB. These advances are primarily secured by consumer mortgage and commercial real estate automotive finance receivables and loans. As of March 31, 2016, Ally Bank had pledged $14.1 billion of assets to the FHLB resulting in $9.2 billion in total funding capacity with $6.4 billion of debt outstanding.

In addition, Ally Bank has access to repurchase agreements. A repurchase agreement is a transaction in which the firm sells financial instruments to a buyer, typically in exchange for cash, and simultaneously enters into an agreement to repurchase the same or substantially the same financial instruments from the buyer at a stated price plus accrued interest at a future date. The financial instruments sold in repurchase agreements typically include U.S. government and federal agency obligations. As of March 31, 2016, Ally Bank had no debt outstanding under repurchase agreements.

Additionally, Ally Bank has access to the Federal Reserve Bank Discount Window and can borrow funds to meet short-term liquidity demands. However, the Federal Reserve Bank is not a primary source of funding for day to day business. Instead, it is a liquidity source that can be accessed in stressed environments or periods of market disruption. Ally Bank has assets pledged and restricted as collateral to the Federal Reserve Bank totaling $2.9 billion. Ally Bank had no debt outstanding with the Federal Reserve as of March 31, 2016.

Parent Company (Nonbank) Funding

Funding sources at the parent company generally consist of long-term unsecured debt, unsecured retail term notes, floating rate demand notes, committed credit facilities, asset-backed securitizations, and a modest amount of short-term borrowings. The parent company's ability to access unused capacity in secured facilities depends on the availability of eligible assets to collateralize the incremental funding and, in some instances, on the execution of interest rate hedges.

In addition, we have short-term and long-term unsecured debt outstanding from retail term note programs. These programs generally consist of callable fixed-rate instruments with fixed-maturity dates. There were $416 million of retail term notes outstanding at March 31, 2016.

We obtain unsecured funding from the sale of floating-rate demand notes under our Demand Notes program. The holder has the option to require us to redeem these notes at any time without restriction. Demand Notes outstanding were $3.6 billion at March 31, 2016. Refer to Note 12 and Note 13 to the Condensed Consolidated Financial Statements for additional information about our outstanding short-term borrowings and long-term unsecured debt, respectively.

Secured funding continues to be a significant source of financing at the parent company. The total capacity in our committed funding facilities is provided by banks and other financial institutions through private transactions. The committed secured funding facilities can be revolving in nature and allow for additional funding during the commitment period, or they can be amortizing and not allow for any further funding after the closing date. At March 31, 2016, $15.6 billion of our $15.8 billion of committed capacity was revolving. Our revolving facilities generally have an original tenor ranging from 364 days to two years. As of March 31, 2016, we had $12.2 billion of committed funding capacity from revolving facilities with a remaining tenor greater than 364 days. The parent company's largest facility is an $8.0 billion revolving syndicated credit facility secured by automotive receivables. This facility was renewed in March 2016 by a syndicate of sixteen lenders and extended until March 2018. In the event this facility is not renewed at maturity, the outstanding debt will be repaid over time as the underlying collateral amortizes. At March 31, 2016, there was $8.0 billion outstanding under this facility. In addition to our syndicated revolving credit facility, we also maintain various bilateral and multilateral secured credit facilities that fund our Automotive Finance operations. These are primarily private securitization facilities that fund a specific pool of automotive assets.

During the first quarter of 2016, the parent company raised $1.0 billion through a public securitization transaction comprised of retail automotive loan collateral.

At March 31, 2016, the parent company had debt of $725 million outstanding under repurchase agreements.

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Recent Funding Developments

During the first three months of 2016, we accessed the public and private markets to execute secured funding transactions, whole-loan sales, unsecured funding transactions, and funding facility renewals totaling $17.5 billion. Key funding highlights from January 1, 2016 to date were as follows:

• Ally Financial Inc. closed, renewed, increased, and/or extended $13.1 billion in U.S. credit facilities. The automotive credit facility renewal amount includes the March 2016 refinancing of $11.0 billion for our shared credit facilities at both the parent company and Ally Bank with a syndicate of sixteen lenders. The $11.0 billion capacity is secured by retail, lease, and dealer floorplan automotive assets and is allocated to two separate facilities; one is an $8.0 billion facility which is available to the parent company, while the other is a $3.0 billion facility available to Ally Bank. Both facilities mature in March 2018.

• Ally Financial Inc. continued to access the public and private term asset-backed securitization markets raising $2.8 billion, with $1.8 billion and $1.0 billion raised by Ally Bank and the parent company, respectively. Included in Ally Bank's funding for 2016 is one off-balance sheet securitization backed by retail automotive loans, which raised $1.0 billion. In addition, Ally Bank raised $1.6 billion related to whole-loan sales comprised of retail automotive loans.

• In April 2016, Ally Financial Inc. accessed the unsecured debt capital markets and raised $900 million through the issuance of $600 million and $300 million of aggregate principal amount of senior and subordinated notes, respectively.

Funding Sources

The following table summarizes debt and other sources of funding and the amount outstanding under each category for the periods shown.

($ in millions)	Bank		Parent		Total		%
March 31, 2016
Secured financings	$	19,249	$	23,904	$	43,153	32
Institutional term debt	—		19,694		19,694		14
Retail debt programs (a)	—		4,055		4,055		3
Total debt (b)	19,249		47,653		66,902		49
Deposits (c)	70,047		218		70,265		51
Total on-balance sheet funding	$	89,296	$	47,871	$	137,167	100
December 31, 2015
Secured financings	$	24,790	$	25,129	$	49,919	36
Institutional term debt	—		20,235		20,235		14
Retail debt programs (a)	—		3,850		3,850		3
Total debt (b)	24,790		49,214		74,004		53
Deposits (c)	66,249		229		66,478		47
Total on-balance sheet funding	$	91,039	$	49,443	$	140,482	100

(a) Includes $416 million and $397 million of retail term notes at March 31, 2016, and December 31, 2015, respectively.

(b) Excludes fair value adjustment as described in Note 21 to the Condensed Consolidated Financial Statements.

(c) Bank deposits include retail, brokered, mortgage escrow, and other deposits. Parent deposits include dealer deposits. Intercompany deposits are not included.

Refer to Note 13 to the Condensed Consolidated Financial Statements for a summary of the scheduled maturity of long-term debt at March 31, 2016.

Cash Flows

Net cash provided by operating activities was $1.2 billion for the three months endedMarch 31, 2016, compared to $0.2 billion for the same period in 2015. The change is primarily due to the decrease in the originations and purchases of loans held-for-sale.

Net cash provided by investing activities was $0.7 billion for the three months endedMarch 31, 2016, compared to $0.8 billion for the same period in 2015. The change is primarily due to a $1.0 billion increase in net cash used due to an increase in finance receivables and loans. Also contributing to the decrease was $1.0 billion in proceeds from the sale of a business unit in 2015, and an increase of $0.4 billion in net cash used due to the purchase of nonmarketable equity investments. This was offset by an increase in net cash inflows from purchases, sales, maturities and repayment of available-for-sale securities of $1.3 billion, and an increase of net cash inflows from operating lease activity of $0.9 billion.

Net cash used in financing activities for the three months endedMarch 31, 2016, was $3.2 billion, compared to $1.0 billion cash provided for the same period in 2015. The change is due to cash used for the payment of long-term debt exceeding debt issuances by $4.2 billion for the period ended March 31, 2016, compared to $1.0 billion for the same period in 2015. Also contributing is net cash used due to a

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decrease in short-term borrowings of $2.7 billion for the three months endedMarch 31, 2016, compared to net cash used of $0.6 billion for the three months ended March 31, 2015. This was partially offset by an increase in deposits of $1.1 billion during the three months endedMarch 31, 2016, compared to the same period in 2015.

Capital Planning and Stress Tests

As a BHC with $50 billion or more of consolidated assets, Ally is required to conduct periodic company-run stress tests, is subject to an annual supervisory stress test conducted by the Federal Reserve Bank (FRB), and must submit an annual capital plan to the FRB.

Ally’s capital plan must include a description of all planned capital actions over a nine-quarter planning horizon. The capital plan must also include a discussion of how Ally will maintain capital above the minimum regulatory capital ratios under baseline, adverse, and severely adverse economic scenarios, and serve as a source of strength to Ally Bank. The FRB must approve Ally's capital plan before Ally may take any capital action. Even with an approved capital plan, Ally must seek the approval of the FRB before making a capital distribution if, among other factors, Ally would not meet its regulatory capital requirements after making the proposed capital distribution.

In addition to the Series G preferred stock redemptions and Series A preferred stock repurchase that occurred during 2015, as part of the 2015 CCAR process, Ally also received approval to repurchase or redeem the remaining approximately $700 million of Series A preferred stock as well as $500 million of our Trust Preferred Securities. We plan to redeem the outstanding shares of Series A preferred stock, pursuant to a Notice of Redemption issued by Ally on April 14, 2016, but will indefinitely defer redemption of the Trust Preferred Securities in support of the TradeKing Group, Inc. acquisition announced on April 5, 2016. Refer to Note 26 to the Condensed Consolidated Financial Statements for additional information impacting these capital actions. No later than, June 30, 2016, the FRB will either provide a notice of non-objection or object to our 2016 capital plan, which was submitted to the FRB on April 5, 2016, with planned capital actions including the initiation of a dividend on and repurchases of shares of our common stock.

Regulatory Capital

Refer to Note 18 to the Condensed Consolidated Financial Statements and Selected Financial Data within this MD&A.

Credit Ratings

The cost and availability of unsecured financing are influenced by credit ratings, which are intended to be an indicator of the creditworthiness of a particular company, security, or obligation. Lower ratings result in higher borrowing costs and reduced access to capital markets. This is particularly true for certain institutional investors whose investment guidelines require investment-grade ratings on term debt and the two highest rating categories for short-term debt (particularly money market investors).

Nationally recognized statistical rating organizations rate substantially all our debt. The following table summarizes our current ratings and outlook by the respective nationally recognized rating agencies.

Rating agency	Short-term	Senior unsecured debt	Outlook	Date of last action
Fitch	B	BB+	Stable	April 6, 2016 (a)
Moody’s	Not Prime	Ba3	Stable	October 20, 2015 (b)
S&P	B	BB+	Positive	October 21, 2015 (c)
DBRS	R-3	BBB (Low)	Stable	May 2, 2016 (d)

(a) Fitch affirmed our senior unsecured debt rating of BB+, affirmed our short-term rating of B, and maintained a Stable outlook on April 6, 2016.

(b) Moody's upgraded our senior unsecured debt rating to Ba3 from B1, affirmed our short-term rating of Not Prime, and changed the outlook to Stable on October 20, 2015. Effective December 1, 2014, we determined to not renew our contractual arrangement with Moody's related to their providing of our corporate family, senior debt, and short-term ratings. Notwithstanding this, Moody's has determined to continue to provide these ratings on a discretionary basis. However, Moody's has no obligation to continue to provide these ratings, and could cease doing so at any time.

(c) Standard & Poor's affirmed our senior unsecured debt rating of BB+, affirmed our short-term rating of B, and changed the outlook from Stable to Positive on October 21, 2015.

(d) DBRS upgraded our short-term rating to R-3 from R-4, upgraded our senior unsecured debt rating to BBB (Low) from BB (High), and changed the outlook to Stable on all ratings on May 2, 2016.

Off-balance Sheet Arrangements

Refer to Note 8 to the Condensed Consolidated Financial Statements.

Critical Accounting Estimates

We identified critical accounting estimates that, as a result of judgments, uncertainties, uniqueness, and complexities of the underlying accounting standards and operations involved could result in material changes to our financial condition, results of operations, or cash flows under different conditions or using different assumptions.

Our most critical accounting estimates are as follows.

• Allowance for loan losses

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• Valuation of automotive lease assets and residuals

• Fair value of financial instruments

• Legal and regulatory reserves

• Determination of provision for income taxes

During 2016, we did not substantively change any material aspect of our overall methodologies and processes used in developing these estimates from what was described in our 2015 Annual Report on Form 10-K.

Refer to Note 1 to the Condensed Consolidated Financial Statements for further discussion regarding the methodology used in calculating the provision for income taxes for interim financial reporting.

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Statistical Table

The accompanying supplemental information should be read in conjunction with the more detailed information, including our Condensed Consolidated Financial Statements and the Notes thereto, which appears elsewhere in this Quarterly Report.

Net Interest Margin Table

The following table presents an analysis of net yield on interest-earning assets (or net interest margin) excluding discontinued operations for the periods shown.

	2016							2015							(Decrease) increase due to (a)
Three months ended March 31, ($ in millions)	Average balance (b)			Interest income/ Interest expense		Yield/rate		Average balance (b)			Interest income/ Interest expense		Yield/rate		Volume			Yield/rate			Total
Assets
Interest-bearing cash and cash equivalents	$	2,867		$	3	0.42	%	$	4,402		$	2	0.18	%	$	(1	)	$	2		$	1
Federal funds sold and securities purchased under resale agreements	—			—		—		7			—		—		—			—			—
Investment securities (c)	16,856			98		2.34		15,904			83		2.12		6			9			15
Loans held-for-sale, net	35			—		—		1,947			24		5.00		(12		)	(12		)	(24		)
Finance receivables and loans, net (d) (e)	111,525			1,235		4.45		98,843			1,074		4.41		140			21			161
Investment in operating leases, net (f)	15,638			259		6.66		19,405			274		5.73		(59		)	43			(16		)
Total interest-earning assets	146,921			1,595		4.37		140,508			1,457		4.21		74			63			137
Noninterest-bearing cash and cash equivalents	1,841							1,825
Other assets	9,667							9,597
Allowance for loan losses	(1,060		)					(969		)
Total assets	$	157,369						$	150,961
Liabilities
Interest-bearing deposit liabilities	$	68,148		$	193	1.14	%	$	59,372		$	172	1.17	%	25			(4		)	21
Short-term borrowings	5,609			13		0.93		6,280			11		0.71		(1		)	3			2
Long-term debt (e)	64,841			442		2.74		64,991			429		2.68		(1		)	14			13
Total interest-bearing liabilities	138,598			648		1.88		130,643			612		1.90		23			13			36
Noninterest-bearing deposit liabilities	92							73
Total funding sources	138,690			648		1.88		130,716			612		1.90
Other liabilities (g)	5,053							4,548
Total liabilities	143,743							135,264
Total equity	13,626							15,697
Total liabilities and equity	$	157,369						$	150,961
Net financing revenue				$	947						$	845			$	51		$	50		$	101
Net interest spread (h)						2.49	%						2.31	%
Net yield on interest-earning assets (i)						2.59	%						2.44	%

(a) Changes in interest not solely due to volume or yield/rate are allocated in proportion to the absolute dollar amount of change in volume and yield/rate.

(b) Average balances are calculated using a combination of monthly and daily average methodologies.

(c) Excludes equity investments with an average balance of $738 million and $848 million at March 31, 2016, and 2015, respectively, and related income on equity investments of $4 million and $5 million for the three months endedMarch 31, 2016, and 2015, respectively. Yields on available-for-sale debt securities are based on fair value as opposed to amortized cost.

(d) Nonperforming finance receivables and loans are included in the average balances. For information on our accounting policies regarding nonperforming status, refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K.

(e) Includes the effects of derivative financial instruments designated as hedges.

(f) Includes gains on sale of $55 million and $69 million for the three months endedMarch 31, 2016, and 2015, respectively. Excluding these gains on sale, the annualized yield would be 5.25% and 4.28% at March 31, 2016, and 2015, respectively.

(g) Includes average balances of discontinued operations for the three months endedMarch 31, 2016, and 2015.

(h) Net interest spread represents the difference between the rate on total interest-earning assets and the rate on total interest-bearing liabilities.

(i) Net yield on interest-earning assets represents net financing revenue as a percentage of total interest-earning assets.

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Recently Issued Accounting Standards

Refer to Note 1 to the Condensed Consolidated Financial Statements.

Forward-looking Statements

The foregoing Management’s Discussion and Analysis of Financial Condition and Results of Operations and other portions of this Form 10-Q contain various forward-looking statements within the meaning of applicable federal securities laws.

The words “expect,” “anticipate,” “estimate,” “forecast,” “initiative,” “objective,” “plan,” “goal,” “project,” “outlook,” “priorities,” “target,” “intend,” “evaluate,” “pursue,” “seek,” “may,” “would,” “could,” “should,” “believe,” “potential,” “continue,” or the negative of any of these words or similar expressions are intended to identify forward-looking statements. All statements herein, other than statements of historical fact, including without limitation statements about future events and financial performance, are forward-looking statements that involve certain risks and uncertainties.

While these statements represent our current judgment on what the future may hold, and we believe these judgments are reasonable, these statements are not guarantees of any events or financial results, and Ally's actual results may differ materially. You should not place undue reliance on any forward-looking statement and should consider all uncertainties and risks described in the most recent reports on Securities and Exchange Commission (SEC) Forms 10-K and 10-Q for Ally, or discussed in this report, including those under Item 1A, Risk Factors, as well as those provided in any subsequent SEC filings. Forward-looking statements apply only as of the date they are made, and Ally undertakes no obligation to update any forward-looking statement to reflect events or circumstances that arise after the date the forward-looking statement are made. Such factors include, among others, the following: maintaining the mutually beneficial relationship between Ally and GM, and Ally and Chrysler, and our ability to further diversify our business; our ability to maintain relationships with automotive dealers; the significant regulation and restrictions that we are subject to as a BHC and a FHC; the potential for deterioration in the residual value of off-lease vehicles; disruptions in the market in which we fund our operations, with resulting negative impact on our liquidity; changes in our accounting assumptions that may require or that result from changes in the accounting rules or their application, which could result in an impact on earnings; changes in our credit ratings; changes in economic conditions, currency exchange rates or political stability in the markets in which we operate; and changes in the existing or the adoption of new laws, regulations, policies or other activities of governments, agencies and similar organizations (including as a result of the Dodd-Frank Act and Basel III).

Use of the term “loans” describes products associated with direct and indirect lending activities of Ally’s operations. The specific products include retail installment sales contracts, lines of credit, leases or other financing products. The term “originate” refers to Ally’s purchase, acquisition or direct origination of various “loan” products.

Item 3.    Quantitative and Qualitative Disclosures about Market Risk

Refer to the Market Risk Management section of Item 2, Management's Discussion and Analysis.

93

Controls and Procedures

Ally Financial Inc. • Form 10-Q

Item 4.    Controls and Procedures

We maintain disclosure controls and procedures, as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the Exchange Act), designed to ensure that information required to be disclosed in reports filed under the Exchange Act is recorded, processed, summarized, and reported within the specified time periods. Our disclosure controls and procedures are also designed to ensure that information required to be disclosed in the reports we file and submit under the Exchange Act is accumulated and communicated to management, including our Chief Executive Officer (Principal Executive Officer) and Chief Financial Officer (Principal Financial Officer), to allow timely decisions regarding required disclosure.

As of the end of the period covered by this report, our Principal Executive Officer and Principal Financial Officer evaluated, with the participation of our management, the effectiveness of our disclosure controls and procedures and concluded that our disclosure controls and procedures were effective.

There were no changes in our internal control over financial reporting (as defined in Rule 13a-15(f) of the Exchange Act) that occurred during our most recent fiscal quarter that materially affected, or were reasonably likely to materially affect, our internal control over financial reporting.

Our management, including our Principal Executive Officer and Principal Financial Officer, does not expect that our disclosure controls or our internal controls will prevent or detect all errors and all fraud. A control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control system's objectives will be met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within Ally have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty and that breakdowns can occur because of simple error or mistake. Controls can also be circumvented by the individual acts of some persons, by collusion of two or more people, or by management override of the controls. The design of any system of controls is based in part on certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Over time, controls may become inadequate because of changes in conditions or deterioration in the degree of compliance with associated policies or procedures. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.

94

PART II — OTHER INFORMATION

Ally Financial Inc. • Form 10-Q

Item 1.    Legal Proceedings

Refer to Note 25 to the Condensed Consolidated Financial Statements (incorporated herein by reference) for a discussion related to our legal proceedings, which supplements the discussion of legal proceedings set forth in Note 30 to our 2015 Annual Report on Form 10-K.

Item 1A.    Risk Factors

There have been no material changes to the Risk Factors described in our 2015 Annual Report on Form 10-K.

Item 2.     Unregistered Sales of Equity Securities and Use of Proceeds

Repurchases Under Share-Based Incentive Plans

The following table presents repurchases of our common stock, by month, for the three months endedMarch 31, 2016. All repurchases reflected below include only shares of common stock that were withheld to cover income taxes owed by participants in our share-based incentive plans.

Three months ended March 31, 2016	Total number of shares repurchased	Weighted-average price paid per share
January 2016	594,100	$	15.85
February 2016	—	—
March 2016	250,971	18.45
Total	845,071	$	16.62

Item 3.     Defaults upon Senior Securities

None.

Item 4.    Mine Safety Disclosures

Not applicable.

Item 5.    Other Information

None.

Item 6.    Exhibits

The exhibits listed on the accompanying Index of Exhibits are filed as a part of this report. This Index is incorporated herein by reference.

95

Signatures

Ally Financial Inc. • Form 10-Q

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, this 5th day of May, 2016.

Ally Financial Inc.

(Registrant)

/S/CHRISTOPHER A.HALMY

Christopher A. Halmy

Chief Financial Officer

/S/DAVID J. DEBRUNNER

David J. DeBrunner

Vice President, Chief Accounting Officer, and

Corporate Controller

96

Ally Financial Inc. • Form 10-Q

INDEX OF EXHIBITS

Exhibit	Description	Method of Filing
3.1	Ally Financial Inc. Amended and Restated Bylaws	Filed as Exhibit 3.1 to the Company's Current Report on Form 8-K dated as of March 22, 2016, (File No. 1-3754), incorporated herein by reference.
10.1	Release Agreement	Filed herewith.
12	Computation of Ratio of Earnings to Fixed Charges	Filed herewith.
31.1	Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)	Filed herewith.
31.2	Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)	Filed herewith.
32	Certification of Principal Executive Officer and Principal Financial Officer pursuant to 18 U.S.C. Section 1350	Filed herewith.
101	Interactive Data File	Filed herewith.

97

EX-10.1

RELEASE AGREEMENT

William B. Solomon, Jr. and Ally Financial Inc. have reached the following Release Agreement. In this Release Agreement, "Employee" refers to William B. Solomon, Jr., and "Company" refers to Ally Financial Inc., its shareholders, subsidiaries, affiliates and divisions, predecessors and successors, joint ventures, employee benefit plans, directors, officers, agents, employees, and assigns.

WHEREAS Company and Employee have decided it is in their best interest to terminate their employment relationship according to the terms set forth below, the parties agree as follows:

1.Provided that this signed and notarized document is received by Allyson H. Parker, Executive Director Ally Human Resources, 200 Renaissance Drive, Detroit, MI 48265, no later than May 18, 2016 and not revoked in accordance with Paragraph 17 and provided Employee signs and returns the notarized Re-Acknowledgement appended to this Release Agreement to Allyson H. Parker (or her designate) on or about September 30, 2016, Employee’s termination of employment will be reflected as by “Mutual Consent” effective September 30, 2016 and Employee will receive the other favorable treatment described below in this Paragraph 1.

a) Effective May 31, 2016, Employee will resign from his position as Group Vice President and General Counsel of Ally Financial Inc., and all related board and management committee positions, and commence a “Transitional Assignment” reporting to the Chief Executive Officer as an advisor to the Company as the Company may request.

b) Except as required to perform such requested tasks during this Transitional Assignment, Employee will have no obligation to be present in Company’s business offices during the Transitional Assignment.

c) During the Transitional Assignment, Employee will receive his normal base compensation (i.e., $500,000 annually) plus additional cash compensation equal to $228,750 per month (collectively “Transition Compensation Rate”) and remain eligible for all the benefits to which other active Company employees are eligible and subject to all the terms and conditions of employment to which other active Company employees are subject.

d) The Transition Compensation Rate notwithstanding, for purposes of calculating any welfare benefits for which Employee may become eligible on or prior to September 30, 2016 (e.g., life insurance, short or long-term disability) Employee’s normal base compensation (i.e., $500,000 annually) will continue to be used.

e) At the conclusion of the Transitional Assignment (i.e., September 30, 2016), subject to Employee’s satisfying the terms and conditions contained in this Release Agreement, Employee will receive a separation allowance of $500,000, less applicable tax withholdings and any outstanding debts to the Company, including but not limited to any corporate credit card balance, as well as payment for all accrued and unused paid time off (“PTO”) as currently reflected in the Company’s records. Employee will also receive outplacement assistance consistent with the outplacement assistance he would have been eligible for under the Ally Financial Inc. Severance Plan had he received severance benefits under same.

2.Employee agrees that the separation status, compensation, and consideration referred to in Paragraph 1 are more than the Company is required to provide under its normal policies and procedures. Employee agrees to remain actively employed in good standing and meet the specific objectives required of his Transitional Assignment until September 30, 2016. Notwithstanding the above, if Employee wishes to terminate his employment prior to September 30, 2016, he will provide the Company with two (2) weeks advance notice, at which point the Company may agree to a new separation date and pay Employee

the Transition Compensation Rate (but no benefits) as if he remained employed through September 30, 2016. If the Company does not agree to the new separation date, which agreement will not be unreasonably withheld, Employee’s separation will be deemed a Voluntarily Resignation effective two (2) weeks from the date of his notice, and Employee will forfeit any right to continued payment of the Transition Compensation Rate or Company benefits under this Release Agreement as of his separation date. Under either scenario, the release language contained in Paragraph 3 will remain in full force and effect.

3.Employee for himself, family, heirs and representatives further agrees that, by entering into this Release Agreement, he releases the Company from all claims or demands he may have based on his employment with the Company, this Release Agreement, or the termination of his employment. This release specifically includes, without limitation, a release of any rights or claims he may have under:

• the Employee Retirement Income Security Act of 1974, as amended, which regulates employee benefit plans;

• Title VII of the Civil Rights Act of 1964, as amended, the Civil Rights and Women’s Equity Act of 1991, as amended, and the Equal Pay Act of 1963, as amended, which prohibit discrimination in employment based on race, color, national origin, religion, or sex;

• the Age Discrimination in Employment Act, which prohibits discrimination based on age;

• the Rehabilitation Act of 1973, as amended, and the Americans with Disabilities Act, as amended, which prohibit discrimination based on disability;

• the Family Medical Leave Act, as amended;

• the Worker Adjustment and Retraining Notification Act (WARN), as amended;

• the National Labor Relations Act, as amended;

• state fair employment practices or civil rights laws;

• the Dodd-Frank Wall Street Reform and Consumer Protection Act, as amended, and Sarbanes-Oxley Act of 2002, as amended, which govern whistleblower claims by financial services employees; and

• any other federal, state, or local laws, or regulations, or any common law actions relating to employment, or employment discrimination.

This includes, without limitation, any claims for breach of employment contract, either expressed or implied, violation of public policy, breach of implied covenant of good faith and fair dealing, intentional infliction of emotional distress, negligent infliction of emotional distress, fraud, false imprisonment, invasion of privacy, commercial or trade defamation, defamation, slander, libel, tort, and wrongful discharge. This release does not foreclose Employee’s ability to file an administrative charge with the Equal Employment Opportunity Commission (“EEOC”), however, Employee expressly waives any right or claim to monetary relief in relation to any charge he files should any administrative agency, including but not limited to the EEOC, pursue any claim on his behalf to the maximum extent permitted by law. This release does not include any claims to: (a) vested 401(k) pension benefits; (b) vested deferred compensation such as deferred stock units; (c) unemployment compensation; or (d) enforce the terms of this Release Agreement. This release covers all claims accrued or un-accrued, known or unknown, up to the effective date of this Release Agreement. If any claim is not subject to release, to the extent permitted by law, Employee waives any right or ability to be a class or collective action representative or to otherwise participate in any putative or certified class, collective or multi-party action or proceeding based on such a claim in which Company is a party.  Employee promises not to consent to become a member of any class or collective in a case in which claims are asserted against Company that are related in any way to his employment

or the termination of his employment with Company. If Employee is made a member of a class in any such proceeding, he will immediately opt out of the class.

4.Employee understands and agrees that he is not eligible for severance benefits under the Ally Financial Inc. Severance Plan - any claim to which Employee expressly waives by signing this Release Agreement. Employee understands and agrees that the termination of his employment by “Mutual Consent” is not a termination for “Cause” as defined under the Ally Financial Inc. 2014 Incentive Compensation Plan (“ICP”), or any predecessor plan, and any RSU and PSU awards for which he may be eligible thereunder as of his separation date are not forfeited or waived by virtue of his signing this Release Agreement and will vest in accordance with the ICP and Employee’s award letter(s). Employee’s termination will also qualify as “Retirement” as that term is used in the ICP given his age and tenure with the Company. It is understood, however, that notwithstanding Employee’s termination for Mutual Consent, Employee will not be eligible for certain IRSUs granted to Employee, the settlement of which were contingent upon Employee’s continued employment beyond September 30, 2016.

5.The Company makes this Release Agreement to avoid the cost of defending against any possible lawsuit or claims. By making this Release Agreement, the Company does not admit that it has done anything wrong.

6.If the Company successfully asserts this Release Agreement as a defense against a future lawsuit or claim of Employee, Employee will pay for all costs incurred by the Company, including reasonable attorney’s fees, in defending against his claim, unless such lawsuit or claim is brought by Employee for purposes of enforcing this Release Agreement.

7.Employee is advised to consult with an attorney before signing this Release Agreement. Employee understands that whether or not he does so is his decision. Employee will have until May 18, 2016 to accept or reject this Release Agreement.

8.For purposes of clarity, Employee understands that, following his September 30, 2016 separation, he has no right to reemployment with Company and any reemployment decision is solely within the Company’s discretion.

9.Employee agrees and acknowledges that, during the course of his employment with the Company, he had access and was privy to information, documents, and materials relating to the Company that are of a confidential or proprietary nature or which constitute or contain trade secrets, privileged information, or matters subject to an attorney-client privilege or which are related work product, the disclosure of which will cause irreparable harm to the Company. As part of this Agreement, Employee affirms his legal duties regarding this information and agrees to return such information which is in his possession or which has been given to others, and agrees that he will not discuss or disclose to any person or entity any trade secret, confidential and/or proprietary information, or matters subject to an attorney-client privilege or which are related work product without the expressed permission of the Company. Nothing in this Agreement prohibits Employee or his attorney from initiating communications directly with, or responding to any inquiry from or providing testimony before, the SEC, FINRA, or any other self-regulatory organization or any other state or federal regulatory authority or responding to any subpoena or other legal process. Employee acknowledges that a breach of this Paragraph 9 will entitle Company to legal and equitable relief.

10.Employee acknowledges that he is able to work and suffers from no disability that would preclude him from doing his regularly assigned job.

11.Employee understands and agrees that the existence and terms of this Release Agreement may be publicly disclosed in accordance with applicable law; provided however, that the negotiations, discussions, and proceedings leading up to this Release Agreement are confidential, and that neither he, nor his attorney, nor any individual acting on his behalf may disclose these matters to any person or entity, except as expressly required by law.

12.Employee agrees to cooperate with the Company and its legal counsel on any matters relating to the conduct of any administrative or judicial litigation, claim, suit, investigation or proceeding involving the Company in connection with any facts or circumstances occurring during his employment with the Company. The Company agrees to cooperate in scheduling such obligations at a mutually agreeable time and place, and will reimburse Employee for all reasonable associated expenses.

13.Employee will retain all rights to be indemnified by the Company pursuant to Company policy in connection with any third-party claims, investigations or proceedings.

14.Employee affirms that, as of the conclusion of the Transitional Assignment, he has returned all Company property, including, but not limited to, computer laptops, cell phones, Company credit and telephone cards, ID cards, building passes, keys and any other item or items that were either issued or purchased by the Company.

15.Employee will be permitted to remove from Ally premises his personal papers and personal electronic files, personal contact lists, files of nonproprietary third-party research and media articles, and personal effects from his office, subject to whatever oversight Ally deems necessary to be confident that such files and effects to not contain Company property or information that is confidential or other classification described in paragraph 9.

16.Employee understands that he has been given a period of at least twenty-one (21) days to review and consider this Release Agreement before signing it. Employee further understands that he may use as much of this period as he wishes prior to signing. In order for this Release Agreement to become effective, Employee must return a signed and notarized original to Allyson H. Parker as per Paragraph 1 no later than May 18, 2016. If executed or returned after that date, Company, in its sole discretion, may declare this Release Agreement null and void.

17.Employee may revoke this Release Agreement within seven (7) days of signing it. Revocation can be made by delivering a written notice to Allyson H. Parker. For this revocation to be effective, written notice must be received by Allyson H. Parker no later than the seventh (7^th) day after he signs this Release Agreement. If Employee revokes this Release Agreement, it will not be effective or enforceable and Employee will not receive the benefits described in Paragraph 1.

18.This Agreement will be interpreted in accordance with the laws of Michigan without regard to its conflict of laws provision. For purposes of enforcement of the terms of this Agreement, Employee agrees to submit to the jurisdiction of any federal or state court in Michigan. Should any provision of this Agreement be declared illegal or unenforceable by any court of

competent jurisdiction and cannot be modified to be enforceable, only such provision will be affected, leaving the remainder of this Agreement in full force and effect.

19.This is the entire agreement between Employee and Company with respect to the termination of Employee’s employment with the Company. The Company has made no promises to Employee other than those in this Release Agreement.

EMPLOYEE ACKNOWLEDGES THAT HE HAS READ THIS RELEASE AGREEMENT, UNDERSTANDS IT AND IS VOLUNTARILY ENTERING INTO IT. PLEASE READ THIS RELEASE AGREEMENT CAREFULLY. IT CONTAINS A RELEASE OF ALL KNOWN AND UNKNOWN CLAIMS.

Accepted:

____________________________________

William B. Solomon, Jr.

____________________________________     

Dated

State Of: _____________________

County Of: ___________________

On this ______day of __________________, before me personally came ___________________ to me known to be the person described in and who executed the foregoing Release Agreement and that he duly acknowledged to me that he executed the same.

__________________________________

Notary Public

Accepted:

__________________________________

Allyson H. Parker

Ally Financial Inc.

____________________________________

Dated

Re-Acknowledgement

EMPLOYEE RE-ACKNOWLEDGES THAT HE HAS READ THIS RELEASE AGREEMENT, UNDERSTANDS IT AND IS VOLUNTARILY RE-ENTERING INTO IT AS OF THE LAST DATE OF HIS EMPLOYMENT. PLEASE READ THIS RELEASE AGREEMENT CAREFULLY. IT CONTAINS A RELEASE OF ALL KNOWN AND UNKNOWN CLAIMS.

Re-accepted as of September 30, 2016:

____________________________________ ________________________________

William B. Solomon, Jr. Dated

State Of:_____________________

County Of: ___________________

On this ______day of __________________, before me personally came ________________ to me known to be the person described in and who executed the foregoing Release Agreement and that he duly acknowledged to me that he executed the same.

__________________________________

Notary Public

Re-Accepted as of September 30, 2016:

__________________________________        _______________________________

Allyson H. ParkerDated

Ally Financial Inc.

EX-12

Exhibit 12

Ally Financial Inc.

Ratio of Earnings to Fixed Charges

	Three months ended March 31,			Year ended December,
($ in millions)	2016 (a)			2015 (a)			2014 (a)			2013 (a)			2012 (a)			2011 (a)
Earnings
Consolidated net income (loss) from continuing operations	$	247		$	897		$	925		$	416		$	1,370		$	(219	)
Income tax expense (benefit) from continuing operations	150			496			321			(59		)	(856		)	42
Equity-method investee (earnings)	(6		)	(52		)	(18		)	(15		)	(6		)	(7		)
Minority interest expense	—			—			—			—			1			1
Consolidated income (loss) from continuing operations before income taxes, minority interest, and income or loss from equity investees	391			1,341			1,228			342			509			(183		)
Fixed charges	646			2,460			2,826			3,344			4,031			4,668
Earnings available for fixed charges	$	1,037		$	3,801		$	4,054		$	3,686		$	4,540		$	4,485
Fixed charges
Interest, discount, and issuance expense on debt	$	642		$	2,443		$	2,810		$	3,330		$	4,014		$	4,652
Portion of rentals representative of the interest factor	4			17			16			15			17			16
Total fixed charges	646			2,460			2,826			3,345			4,031			4,668
Preferred dividend requirements (b)	24			3,991			361			1,049			801			763
Total fixed charges and preferred dividend requirements	$	670		$	6,451		$	3,187		$	4,394		$	4,832		$	5,431
Ratio of earnings to fixed charges (c)	1.61			1.55			1.43			1.10			1.13			0.96
Ratio of earnings to fixed charges and preferred dividend requirements (d)	1.55			0.59			1.27			0.84			0.94			0.83

(a) During 2013 and 2012, certain disposal groups met the criteria to be presented as discontinued operations. For all periods presented, the operating results for these operations have been removed from continuing operations. We report these businesses separately as discontinued operations in the Condensed Consolidated Financial Statements. Refer to Note 2 to the Condensed Consolidated Financial Statements for further discussion of our discontinued operations. All reported periods of the calculation of the ratio of earnings to fixed charges exclude discontinued operations.

(b) Amount for 2015 includes a $1,185 million reduction (increase) to retained earnings (accumulated deficit) related to a redemption of our Series G Preferred Stock in April 2015, a $22 million reduction (increase) to retained earnings (accumulated deficit) related to a repurchase of our Series A Preferred Shares in May 2015, and a $1,178 million reduction (increase) to retained earnings (accumulated deficit) related to the redemption of our remaining Series G Preferred Stock in December 2015. Amount for 2013 includes a $240 million reduction to retained earnings (accumulated deficit) related to a repurchase of mandatorily convertible preferred stock held by U.S. Department of Treasury and elimination of share adjustment right on November 20, 2013.

(c) The ratio indicates a less than one-to-one coverage for the year ended December 31, 2011. Earnings available for fixed charges for the year ended December 31, 2011 were inadequate to cover fixed charges. The deficient amount for the ratio was $183 million for the year ended December 31, 2011.

(d) The ratio indicates a less than one-to-one coverage for the years ended December 31, 2015, 2013, 2012, and 2011. Earnings available for fixed charges and preferred dividend requirements for the years ended December 31, 2015, 2013, 2012, and 2011, were inadequate to cover total fixed charges and preferred dividend requirements. The deficient amounts for the ratio were $2,650 million, $708 million, $292 million, and $946 million for the years ended December 31, 2015, 2013, 2012, and 2011, respectively.

EX-31.1

Exhibit 31.1

Ally Financial Inc. 

I, Jeffrey J. Brown, certify that:

1. I have reviewed this report on Form 10-Q of Ally Financial Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a–15(f) and 15d–15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize, and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 5, 2016

/S/JEFFREY J. BROWN

Jeffrey J. Brown

Chief Executive Officer

EX-31.2

Exhibit 31.2

Ally Financial Inc.

I, Christopher A. Halmy, certify that:

1. I have reviewed this report on Form 10-Q of Ally Financial Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a–15(f) and 15d–15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize, and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 5, 2016

/S/CHRISTOPHER A. HALMY

Christopher A. Halmy

Chief Financial Officer

EX-32

Exhibit 32

Ally Financial Inc.

Certification of Principal Executive Officer and Principal Financial Officer Pursuant to 18 U.S.C. Section 1350

In connection with the Annual Report of Ally Financial Inc. (the Company) on Form 10-Q for the period ending March 31, 2016, as filed with the Securities and Exchange Commission on the date hereof (the Report), each of the undersigned officers of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to the best of their knowledge:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/S/ JEFFREY J. BROWN

Jeffrey J. Brown

Chief Executive Officer

May 5, 2016

/S/ CHRISTOPHER A. HALMY

Christopher A. Halmy

Chief Financial Officer

May 5, 2016

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Ally Financial Inc. and will be furnished to the Securities and Exchange Commission or its staff upon request.

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Document And Entity Information - USD ($)	3 Months Ended
	Mar. 31, 2016	May. 04, 2016	Jun. 30, 2015
Document And Entity Information [Abstract]
Entity Registrant Name	Ally Financial Inc.
Entity Central Index Key	0000040729
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		483,745,676
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 9,874,447,499

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Consolidated Statement of Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Financing Revenue and Other Interest Income [Abstract]
Interest and fees on finance receivables and loans	$ 1,235	$ 1,074
Interest on loans held-for-sale	0	24
Interest and dividends on investment securities	102	88
Interest on cash and cash equivalents	3	2
Operating leases	769	896
Total financing revenue and other interest income	2,109	2,084
Interest Expense [Abstract]
Interest on deposits	193	172
Interest on short-term borrowings	13	11
Interest on long-term debt	442	429
Total interest expense	648	612
Depreciation expense on operating lease assets	510	622
Net financing revenue (loss)	951	850
Other revenue [Abstract]
Servicing fees	13	10
Insurance premiums and service revenue earned	230	233
Gain (loss) on mortgage and automotive loans, net	1	46
Loss on extinguishment of debt	(4)	(198)
Other gain on investments, net	54	55
Other income, net of losses	82	97
Total other revenue	376	243
Total net revenue (loss)	1,327	1,093
Provision for loan losses	220	116
Noninterest Expense [Abstract]
Compensation and benefits expense	252	255
Insurance losses and loss adjustment expenses	73	56
Other operating expenses	385	384
Total noninterest expense	710	695
Income (loss) from continuing operations before income tax expense	397	282
Income tax expense (benefit) from continuing operations	150	103
Net income (loss) from continuing operations	247	179
Income (loss) from discontinued operations, net of tax	3	397
Net income (loss)	250	576
Other Comprehensive Income (Loss), Net of Tax	146	31
Comprehensive income	$ 396	$ 607
Earnings Per Share, Basic [Abstract]
Net income from continuing operations	$ 0.48	$ 0.23
Income from discontinued operations, net of tax	0.01	0.82
Net income	0.49	1.06
Earnings Per Share, Diluted [Abstract]
Net income from continuing operations	0.48	0.23
Income from discontinued operations, net of tax	0.01	0.82
Net income	$ 0.49	$ 1.06

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Consolidated Balance Sheet - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Assets [Abstract]
Noninterest-bearing cash and cash equivalents	$ 1,906	$ 2,148
Interest-bearing cash and cash equivalents	3,095	4,232
Total cash and cash equivalents	5,001	6,380
Available-for-sale securities	18,180	17,157
Held-to-maturity securities	118	0
Loans held-for-sale, net	39	105
Finance receivables and loans, net [Abstract]
Finance receivables and loans, net	110,876	111,600
Allowance for loan losses	(1,077)	(1,054)
Total finance receivables and loans, net	109,799	110,546
Investment in operating leases, net	14,958	16,271
Premiums receivable and other insurance assets	1,828	1,801
Other assets	6,582	6,321
Total assets	156,505	158,581
Liabilities and Equity [Abstract]
Noninterest-bearing deposit liabilities	92	89
Interest-bearing deposit liabilities	70,173	66,389
Total deposit liabilities	70,265	66,478
Short-term borrowings	5,365	8,101
Long-term debt	62,044	66,234
Interest payable	374	350
Unearned insurance premiums and service revenue	2,449	2,434
Accrued expenses and other liabilities	2,185	1,545
Total liabilities	142,682	145,142
Equity [Abstract]
Common stock and paid-in-capital	21,117	21,100
Preferred stock	696	696
Accumulated deficit	(7,875)	(8,110)
Accumulated other comprehensive loss	(85)	(231)
Treasury stock, at cost	(30)	(16)
Total equity	13,823	13,439
Total liabilities and equity	156,505	158,581
Variable Interest Entity, Primary Beneficiary [Member]
Finance receivables and loans, net [Abstract]
Finance receivables and loans, net	27,626	27,929
Allowance for loan losses	(210)	(196)
Total finance receivables and loans, net	27,416	27,733
Investment in operating leases, net	4,060	4,791
Other assets	1,563	1,624
Total assets	33,039	34,148
Liabilities and Equity [Abstract]
Long-term debt	18,868	20,267
Accrued expenses and other liabilities	21	22
Total liabilities	$ 18,889	$ 20,289

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Consolidated Balance Sheet (Paranthetical) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	1,100,000,000	1,100,000,000
Common Stock, Shares, Issued	485,130,865	482,790,696
Common Stock, Shares, Outstanding	483,475,209	481,980,111
Treasury Stock, Shares	1,655,656	810,585

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Consolidated Statement Of Changes In Equity - USD ($) $ in Millions	Total	Common stock and paid-in capital [Member]	Preferred stock [Member]	Accumulated deficit [Member]	Accumulated other comprehensive (loss) income [Member]	Treasury stock [Member]
Balance at at Dec. 31, 2014	$ 15,399	$ 21,038	$ 1,255	$ (6,828)	$ (66)	$ 0
Net income (loss)	576			576
Preferred stock dividends	(67)			(67)
Share-based compensation	10	10
Other comprehensive income	31				31
Share repurchases related to employee stock-based compensation awards	(15)					(15)
Balance at at Mar. 31, 2015	15,934	21,048	1,255	(6,319)	(35)	(15)
Balance at at Dec. 31, 2015	13,439	21,100	696	(8,110)	(231)	(16)
Net income (loss)	250			250
Preferred stock dividends	(15)			(15)
Share-based compensation	17	17
Other comprehensive income	146				146
Share repurchases related to employee stock-based compensation awards	(14)					(14)
Balance at at Mar. 31, 2016	$ 13,823	$ 21,117	$ 696	$ (7,875)	$ (85)	$ (30)

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Consolidated Statement Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income (loss)	$ 250	$ 576
Depreciation and amortization	653	759
Provision for loan losses	220	116
Gain on mortgage and automotive loans, net	(1)	(46)
Other gain on investments, net	(54)	(55)
Loss on extinguishment of debt	4	198
Originations and purchases of loans held-for-sale	(44)	(1,241)
Proceeds from sales and repayments of loans originated as held-for-sale	104	125
Gain on sale of subsidiaries, net	0	(452)
Deferred income taxes	147	165
Interest payable	24	(37)
Other assets	46	396
Other liabilities	(122)	(92)
Other, net	(39)	(165)
Net cash provided by (used in) operating activities	1,188	247
Net Cash Provided by Investing Activities [Abstract]
Net change in federal funds sold and securities purchased under resale agreements	0	(50)
Purchases of available-for-sale securities	(4,870)	(4,023)
Proceeds from sales of available-for-sale securities	4,175	1,523
Proceeds from maturities and repayment of available-for-sale securities	409	914
Purchases of held-to-maturity securities	(118)	0
Net (increase) decrease in finance receivables and loans	(2,086)	(45)
Proceeds from sales of finance receivables and loans originated as held-for-investment	2,594	1,577
Purchases of operating lease assets	(701)	(1,447)
Disposals of operating lease assets	1,535	1,337
Proceeds from sale of business units, net	0	1,049
Increase (Decrease) in Restricted Cash	48	(121)
Net change in nonmarketable equity investments	(315)	58
Other, net	(20)	33
Net cash provided by investing activities	651	805
Net Cash Provided by (Used in) Financing Activities [Abstract]
Net change in short-term borrowings	(2,739)	(618)
Net increase in bank deposits	3,780	2,647
Proceeds from issuance of long-term debt	4,244	8,825
Repayments of long-term debt	(8,490)	(9,778)
Dividends paid on preferred stock	(15)	(67)
Net cash (used in) provided by financing activities	(3,220)	1,009
Effect of exchange-rate changes on cash and cash equivalents	2	(1)
Net (decrease) increase in cash and cash equivalents	(1,379)	2,060
Cash and cash equivalents at beginning of period	6,380	5,576
Cash and cash equivalents at end of period	5,001	7,636
Supplemental Cash Flow Information [Abstract]
Interest	626	641
Income taxes	0	95
Finance receivables and loans transferred to loans held-for-sale	2,599	69
Proceeds from sales and repayments of mortgage loans held-for-investment originally designated as held-for-sale	$ 9	$ 43

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Description Of Business, Basis Of Presentation, And Changes In Significant Accounting Policies

3 Months Ended

Mar. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]

Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies

Ally Financial Inc. (referred to herein as Ally, Parent, we, our, or us) is a leading, independent, diversified financial services firm. Founded in 1919, we are a leading financial services company with over 95 years of experience providing a broad array of financial products and services. We operate as a financial holding company (FHC) and a bank holding company (BHC).Our banking subsidiary, Ally Bank, is an indirect, wholly-owned subsidiary of Ally Financial Inc. and a leading franchise in the growing direct (internet, telephone, mobile, and mail) banking market.

Our accounting and reporting policies conform to accounting principles generally accepted in the United States of America (GAAP). Additionally, where applicable, the policies conform to the accounting and reporting guidelines prescribed by bank regulatory authorities. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and that affect income and expenses during the reporting period and related disclosures. In developing the estimates and assumptions, management uses all available evidence; however, actual results could differ because of uncertainties associated with estimating the amounts, timing, and likelihood of possible outcomes.

The Condensed Consolidated Financial Statements at March 31, 2016, and for the three months endedMarch 31, 2016, and 2015, are unaudited but reflect all adjustments that are, in management’s opinion, necessary for the fair presentation of the results for the interim periods presented. All such adjustments are of a normal recurring nature. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements (and the related Notes) included in our Annual Report on Form 10-K for the year ended December 31, 2015, as filed on February 24, 2016, with the U.S. Securities and Exchange Commission (SEC), as amended by the Current Report on Form 8-K filed with the SEC on May 5, 2016.

Change in Reportable Segments

As a result of a change in how management views and operates our business, during the first quarter of 2016, we made changes in the composition of our operating segments. Financial information related to our Corporate Finance business is now presented as a separate reportable segment. Previously, all such activity was included in Corporate and Other. Additionally, only the activity of our ongoing bulk acquisitions of mortgage loans and other originations and refinancing is now presented in Mortgage Finance operations. The activity related to the management of our legacy mortgage portfolio is now included in Corporate and Other. Our other operating segments, Automotive Finance operations and Insurance operations, remained unchanged. Amounts for 2015 have been adjusted to conform to the current management view.In connection with the change in operating segments, we have defined additional classes of finance receivables and loans: Mortgage Finance and Mortgage — Legacy. Mortgage Finance includes consumer mortgage loans from our ongoing mortgage operations and Mortgage — Legacy includes consumer mortgage loans originated prior to 2009.

Significant Accounting Policies

Income Taxes

In calculating the provision for interim income taxes, in accordance with Accounting Standards Codification (ASC) 740, Income Taxes, we apply an estimated annual effective tax rate to year-to-date ordinary income. At the end of each interim period, we estimate the effective tax rate expected to be applicable for the full fiscal year. This method differs from that described in Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K, which describes our annual significant income tax accounting policy and related methodology.

Investments

Our portfolio of investments includes various debt and marketable equity securities and nonmarketable equity investments. Debt and marketable equity securities are classified based on management’s intent to sell or hold the security. We classify debt securities as held-to-maturity only when we have both the intent and ability to hold the securities to maturity. We classify debt and marketable equity securities as trading when the securities are acquired for the purpose of selling or holding them for a short period of time. Securities not classified as either held-to-maturity or trading are classified as available-for-sale.

Our debt and marketable equity securities include government securities, corporate bonds, asset-backed securities (ABS), mortgage-backed securities (MBS), equity securities and other investments. Our portfolio includes securities classified as available-for-sale and held-to-maturity. Our available-for-sale securities are carried at fair value with unrealized gains and losses included in accumulated other comprehensive income or loss and are subject to impairment. Our held-to-maturity securities are carried at amortized cost and are subject to impairment.

We amortize premiums and discounts on debt securities as an adjustment to investment yield generally over the stated maturity of the security. For ABS and MBS where prepayments can be reasonably estimated, amortization is adjusted for expected prepayments.

Additionally, we assess our debt and marketable equity securities for potential other-than-temporary impairment. We employ a methodology that considers available evidence in evaluating potential other-than-temporary impairment of our debt and marketable equity securities classified as available-for-sale and held-to-maturity. If the cost of an investment exceeds its fair value, we evaluate, among other factors, the magnitude and duration of the decline in fair value. We also evaluate the financial health of and business outlook for the issuer, the performance of the underlying assets for interests in securitized assets, and, for securities classified as available-for-sale, our intent and ability to hold the investment through recovery of its amortized cost basis.

Once a decline in fair value of a debt security is determined to be other-than-temporary, an impairment charge for the credit component is recorded to other gain (loss) on investments, net, in our Consolidated Statement of Income, and a new cost basis in the investment is established. Noncredit component losses of a debt security are recorded in other comprehensive income (loss) when we do not intend to sell the security and it is not more likely than not that we will have to sell the security prior to the security's anticipated recovery. Unrealized losses that we have determined to be other-than-temporary on equity securities are recorded to other gain (loss) on investments, net in our Consolidated Statement of Income. Subsequent increases and decreases to the fair value of available-for-sale debt and equity securities are included in other comprehensive income (loss), so long as they are not attributable to another other-than-temporary impairment.

Realized gains and losses on investment securities are reported in other gain (loss) on investments, net, and are determined using the specific identification method. For information on our debt and marketable equity securities, refer to Note 5.

In addition to our investments in debt and marketable equity securities, we hold equity positions in other entities. These positions include Federal Home Loan Bank (FHLB) and Federal Reserve Bank (FRB) stock held to meet regulatory requirements, other equity investments that are not publicly traded and do not have a readily determinable fair value, equity investments in low income housing tax credits, and Community Reinvestment Act (CRA) equity investments. Our investments in FHLB and FRB stock and other equity investments are accounted for using the cost method of accounting. Our low income housing tax credit investments are accounted for using the proportionate amortization method of accounting for qualified affordable housing investments. Our CRA investments are accounted for using the equity method of accounting. Our FHLB and FRB stock and other equity investments carried at cost are included in nonmarketable equity investments in other assets. Our investments in low income housing tax credits and CRA are also included in other assets. As conditions warrant, we review our investments carried at cost for impairment and will adjust the carrying value of the investment if it is deemed to be impaired. No impairment was recognized in 2016 or 2015. For more information on our nonmarketable equity investments, refer to Note 21.

Refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K regarding additional significant accounting policies.

Recently Adopted Accounting Standards

Consolidation — Amendments to the Consolidation Analysis (ASU 2015-02)

As of January 1, 2016, we adopted ASU 2015-02. The amendments in this update modify the requirements of consolidation with respect to entities that are or are similar in nature to limited partnerships or are variable interest entities (VIEs). For entities that are or are similar to limited partnerships, the guidance clarifies the evaluation of kick-out rights, removes the presumption that the general partner will consolidate and generally states that such entities will be presumed to be VIEs unless proven otherwise. For VIEs, the guidance modifies the analysis related to the evaluation of servicing fees, excludes servicing fees that are deemed commensurate with the level of service required from the determination of the primary beneficiary and clarifies certain considerations related to the consolidation analysis when performing a related party assessment. The amendments in this guidance did not impact our historical VIE and consolidation conclusions. No adjustments to our consolidated financial statements were required as a result of the adoption of this guidance.

Recently Issued Accounting Standards

Revenue from Contracts with Customers (ASU 2014-09) and Revenue from Contracts with Customers — Deferral of the Effective Date (ASU 2015-14)

In May 2014, the Financial Accounting Standards Board (FASB) issued ASU 2014-09. The purpose of this guidance is to streamline and consolidate existing revenue recognition principles in GAAP and to converge revenue recognition principles with International Financial Reporting Standards (IFRS). The core principle of the amendments is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled to receive in exchange for those goods or services. The amendments include a five step process for consideration of the main principle, guidance on the accounting treatment for costs associated with a contract, and disclosure requirements related to the revenue process. As originally issued, the amendments in ASU 2014-09 were to be effective beginning on January 1, 2017. However, in August 2015, the FASB issued ASU 2015-14, which deferred the effective date of the guidance until January 1, 2018, and permitted early adoption as of the original effective date in ASU 2014-09. The FASB created a transition resource group to work with stakeholders and clarify the new guidance as necessary. The FASB has issued and is anticipating issuing additional ASUs to provide clarifying guidance and implementation support for ASU 2014-09. Management will consider these additional ASUs when assessing the overall impact of ASU 2014-09. The amendments to the revenue recognition principles can be applied on adoption either through a full retrospective application or on a modified basis with a cumulative effect adjustment on the date of initial adoption with certain practical expedients. Management is in the process of completing a scoping assessment in order to determine the impact of the adoption of this guidance.

Financial Instruments — Recognition and Measurement of Financial Assets (ASU 2016-01)

In January 2016, the FASB issued ASU 2016-01. The amendments in this update modify the requirements related to the measurement of certain financial instruments in the statement of financial condition and results of operation. For equity investments (other than investments accounted for using the equity method), entities must measure such instruments at fair value with changes in fair value recognized in net income. Changes in fair value for available-for-sale equity securities will no longer be recognized through other comprehensive income. Reporting entities may continue to elect to measure equity investments which do not have a readily determinable fair value at cost with adjustments for impairment and observable changes in price. In addition, for a liability (other than a derivative liability) that an entity measures at fair value, any change in fair value related to the instrument-specific credit risk, that is the entity’s own-credit, should be presented separately in other comprehensive income and not as a component of net income. The amendments are effective on January 1, 2018, with early adoption permitted solely for the provisions pertaining to instrument-specific credit risk for liabilities measured at fair value. The amendments must be applied on a modified retrospective basis with a cumulative effect adjustment as of the beginning of the fiscal year of initial adoption. Management is currently evaluating the impact of the amendments. However, we do expect additional volatility in our consolidated results of operations as a result of the requirement to measure equity investments at fair value with changes in the fair value recognized in net income upon adoption.

Leases (ASU 2016-02)

In February 2016, the FASB issued ASU 2016-02. The amendments in this update primarily replace the existing accounting requirements for operating leases for lessees. Lessee accounting requirements for finance leases and lessor accounting requirements for both operating leases and sales type and direct financing leases (both of which were previously referred to as capital leases) are largely unchanged. The amendments require the lessee of an operating lease to record a balance sheet gross-up upon lease commencement by recognizing a right-to-use asset and lease liability equal to the present value of the lease payments. The right-to-use asset and lease liability should be derecognized in a manner which effectively yields a straight line lease expense over the lease term. In addition to the changes to lessee operating lease accounting, the amendments require additional disclosures for all lease types for both lessees and lessors. The amendments are effective on January 1, 2019, with early adoption permitted. The amendments must be applied on a modified retrospective basis with a cumulative adjustment to the beginning of the earliest fiscal year presented in the financial statements in the period of adoption. Management is currently evaluating the impact of these amendments. Preliminarily, we expect to record a gross up in our consolidated statement of financial position upon adoption reflecting our right-to-use asset and lease liability for our operating leases where we are the lessee (for example, our facility leases). We are currently evaluating the impact of the gross up for our operating leases where we are the lessee. We do not believe the amendments will have a material impact to leases where we are the lessor.

Stock Compensation — Improvements to Employee Share-Based Payment Accounting (ASU 2016-09)

In March 2016, the FASB issued ASU 2016-09. The amendments in this update include changes to several aspects of share-based payment accounting. The amendments allow for an entity wide accounting policy election to either account for forfeitures as they occur or estimate the number of awards that are expected to vest. The amendments modify the tax withholding requirements to allow entities to withhold an amount up to the employee’s maximum individual statutory tax rates without resulting in a liability classification of the award as opposed to limiting the withholding to the minimum statutory tax rates. The amendments require that all excess tax benefits and tax deficiencies related to share-based payment awards should be recognized in income tax expense or benefit in the income statement in the period in which they occur. The amendments also address the classification and presentation of certain items on the cash flow statement. The amendments are effective on January 1, 2017, with early adoption permitted. The transition method varies depending on the specific amendment. Management is currently evaluating the impact of these amendments.

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Discontinued and Held-for-sale Operations

3 Months Ended

Mar. 31, 2016

Discontinued Operations and Disposal Groups [Abstract]

Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]

Discontinued Operations

Prior to the adoption of ASU 2014-08, which was prospectively applied only to newly identified disposals that qualify as discontinued operations beginning after January 1, 2015, we have classified operations as discontinued when operations and cash flows will be eliminated from our ongoing operations and we do not expect to retain any significant continuing involvement in their operations after the respective sale or disposal transactions. For all periods presented, the operating results for these discontinued operations have been removed from continuing operations and presented separately as discontinued operations, net of tax, in the Condensed Consolidated Statement of Comprehensive Income. The Notes to the Condensed Consolidated Financial Statements have been adjusted to exclude discontinued operations unless otherwise noted.

Select Automotive Finance Operations

During the fourth quarter of 2012 we entered into an agreement with General Motors Financial Company Inc. (GMF) to sell our 40% interest in a motor vehicle finance joint venture in China. On January 2, 2015, the sale of our interest in the motor vehicle finance joint venture in China was completed and an after-tax gain of approximately $400 million was recorded. The tax expense included in this gain was reduced by the release of the valuation allowance on our capital loss carryforward deferred tax asset that was utilized to offset capital gains stemming from this sale.

Other Operations

Other operations relate to previous discontinued operations for which we continue to have minimal residual costs.

Select Financial Information

Select financial information of discontinued operations is summarized below. The pretax income or loss, including direct costs to transact a sale, includes any impairment recognized to present the operations at the lower-of-cost or fair value. Fair value was based on the estimated sales price, which could differ from the ultimate sales price due to price volatility, changing interest rates, changing foreign-currency rates, and future economic conditions.

	Three months ended March 31,
($ in millions)	2016		2015
Select Automotive Finance operations
Pretax income including direct costs to transact a sale (a)	$	1	$	458
Tax expense (b)	—		65
Other operations
Pretax income	$	3	$	2
Tax expense (benefit)	1		(2		)

(a) Includes certain treasury and other corporate activity recognized by Corporate and Other.

(b) Includes certain income tax activity recognized by Corporate and Other.

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Other Income, Net Of Losses

3 Months Ended

Mar. 31, 2016

Other Nonoperating Income (Expense) [Abstract]

Other Income, Net of Losses [Text Block]

Other Income, Net of Losses

Details of other income, net of losses, were as follows.

	Three months ended March 31,
($ in millions)	2016		2015
Remarketing fees	$	28	$	28
Late charges and other administrative fees	25		22
Income from equity-method investments	6		33
Other, net	23		14
Total other income, net of losses	$	82	$	97

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Other Operating Expenses

3 Months Ended

Mar. 31, 2016

Operating Expenses [Abstract]

Other Operating Expenses [Text Block]

Other Operating Expenses

Details of other operating expenses were as follows.

	Three months ended March 31,
($ in millions)	2016		2015
Insurance commissions	$	94	$	93
Technology and communications	66		69
Lease and loan administration	32		29
Advertising and marketing	27		31
Professional services	24		20
Vehicle remarketing and repossession	24		18
Premises and equipment depreciation	21		20
Regulatory and licensing fees	21		21
Occupancy	13		12
Non-income taxes	9		8
Other	54		63
Total other operating expenses	$	385	$	384

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Investment Securities

3 Months Ended

Mar. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Investment Securities [Text Block]

Investment Securities

Our portfolio of securities includes bonds, equity securities, asset- and mortgage-backed securities, and other investments. The cost, fair value, and gross unrealized gains and losses on investment securities were as follows.

	March 31, 2016									December 31, 2015
	Amortized cost		Gross unrealized					Fair value		Amortized cost		Gross unrealized					Fair value
($ in millions)			gains		losses							gains		losses
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	345	$	11	$	—		$	356	$	1,760	$	—	$	(19	)	$	1,741
U.S. States and political subdivisions	721		23		(1		)	743		693		24		(1		)	716
Foreign government	181		10		—			191		169		8		—			177
Mortgage-backed residential (a)	12,241		129		(57		)	12,313		10,459		52		(145		)	10,366
Mortgage-backed commercial	515		—		(15		)	500		486		—		(5		)	481
Asset-backed	1,792		—		(11		)	1,781		1,762		1		(8		)	1,755
Corporate debt	1,561		26		(7		)	1,580		1,213		8		(17		)	1,204
Total debt securities (b) (c)	17,356		199		(91		)	17,464		16,542		93		(195		)	16,440
Equity securities	790		12		(86		)	716		808		3		(94		)	717
Total available-for-sale securities	$	18,146	$	211	$	(177	)	$	18,180	$	17,350	$	96	$	(289	)	$	17,157
Total held-to-maturity securities (d)	$	118	$	—	$	—		$	118	$	—	$	—	$	—		$	—

(a) Residential mortgage-backed securities include agency-backed bonds totaling $9,585 million and $7,544 million at March 31, 2016, and December 31, 2015, respectively.

(b) Certain entities related to our Insurance operations are required to deposit securities with state regulatory authorities. These deposited securities totaled $15 million and $14 million at March 31, 2016, and December 31, 2015.

(c) Investment securities with a fair value of $764 million and $2,506 million at March 31, 2016, and December 31, 2015, were pledged to secure advances from the FHLB, short-term borrowings or repurchase agreements and for other purposes as required by contractual obligation or law. Under these agreements, Ally has granted the counterparty the right to sell or pledge $764 million and $745 million of the underlying investment securities at March 31, 2016, and December 31, 2015, respectively.

(d) Held-to-maturity securities consist of agency-backed residential mortgage-backed debt securities for liquidity purposes.

The maturity distribution of investment securities outstanding is summarized in the following tables. Call or prepayment options may cause actual maturities to differ from contractual maturities.

	Total				Due in one year or less				Due after one year through five years				Due after five years through ten years				Due after ten years
($ in millions)	Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield
March 31, 2016
Fair value of available-for-sale debt securities (a)
U.S. Treasury and federal agencies	$	356	2.1	%	$	8	4.8	%	$	91	1.6	%	$	257	2.2	%	$	—	—	%
U.S. States and political subdivisions	743		3.1		150		1.9		44		1.7		106		3.1		443		3.6
Foreign government	191		2.6		10		1.5		74		2.9		107		2.5		—		—
Mortgage-backed residential	12,313		3.0		—		—		1		4.5		31		2.5		12,281		3.0
Mortgage-backed commercial	500		2.3		—		—		—		—		3		2.7		497		2.3
Asset-backed	1,781		2.5		—		—		1,061		2.3		479		2.9		241		2.4
Corporate debt	1,580		2.9		61		2.9		904		2.6		581		3.3		34		5.3
Total available-for-sale debt securities	$	17,464	2.9		$	229	2.2		$	2,175	2.4		$	1,564	2.9		$	13,496	3.0
Amortized cost of available-for-sale debt securities	$	17,356			$	228			$	2,167			$	1,539			$	13,422
Amortized cost of held-to-maturity securities	$	118	3.2	%	$	—	—	%	$	—	—	%	$	—	—	%	$	118	3.2	%
December 31, 2015
Fair value of available-for-sale debt securities (a)
U.S. Treasury and federal agencies	$	1,741	1.8	%	$	6	5.1	%	$	510	1.2	%	$	1,225	2.1	%	$	—	—	%
U.S. States and political subdivisions	716		3.2		86		1.3		37		2.2		141		2.8		452		3.7
Foreign government	177		2.6		9		1.9		77		2.8		91		2.6		—		—
Mortgage-backed residential	10,366		2.9		—		—		33		2.1		36		2.5		10,297		2.9
Mortgage-backed commercial	481		2.0		—		—		—		—		3		2.7		478		2.0
Asset-backed	1,755		2.3		6		1.4		1,027		2.1		518		2.6		204		2.2
Corporate debt	1,204		2.9		50		3.0		713		2.5		410		3.4		31		5.4
Total available-for-sale debt securities	$	16,440	2.7		$	157	2.0		$	2,397	2.1		$	2,424	2.5		$	11,462	2.9
Amortized cost of available-for-sale debt securities	$	16,542			$	156			$	2,404			$	2,436			$	11,546

(a) Yield is calculated using the effective yield of each security at the end of the period, weighted based on the market value. The effective yield considers the contractual coupon and amortized cost, and excludes expected capital gains and losses.

The balances of cash equivalents were $1.4 billion and $1.0 billion at March 31, 2016, and December 31, 2015, respectively, and were composed primarily of money market accounts and short-term securities, including U.S. Treasury bills.

The following table presents interest and dividends on investment securities.

	Three months ended March 31,
($ in millions)	2016		2015
Taxable interest	$	94	$	80
Taxable dividends	4		5
Interest and dividends exempt from U.S. federal income tax	4		3
Interest and dividends on investment securities	$	102	$	88

The following table presents gross gains and losses realized upon the sales of available-for-sale securities and other-than-temporary impairment.

	Three months ended March 31,
($ in millions)	2016		2015
Gross realized gains	$	54	$	60
Gross realized losses (a)	—		(3		)
Other-than-temporary impairment	—		(2		)
Other gain on investments, net	$	54	$	55

(a) Certain available-for-sale securities were sold at a loss in 2015 as a result of market conditions within these respective periods (e.g., a downgrade in the rating of a debt security), in accordance with our risk management policies and practices.

The table below summarizes available-for-sale securities in an unrealized loss position in accumulated other comprehensive income. Based on the assessment of whether such losses were deemed to be other than temporary, we believe that the unrealized losses are not indicative of an other-than-temporary impairment of these securities. As of March 31, 2016, we did not have the intent to sell the debt securities with an unrealized loss position in accumulated other comprehensive income, it is not more likely than not that we will be required to sell these securities before recovery of their amortized cost basis, and we expect to recover the entire amortized cost basis of the securities. As of March 31, 2016, we had the ability and intent to hold equity securities with an unrealized loss position in accumulated other comprehensive income, and it is not more likely than not that we will be required to sell these securities before recovery of their amortized cost basis. As a result, we believe that the securities with an unrealized loss position in accumulated other comprehensive income are not considered to be other-than-temporarily impaired at March 31, 2016. Refer to Note 1 for additional information related to investment securities and our methodology for evaluating potential other-than-temporary impairments.

	March 31, 2016										December 31, 2015
	Less than 12 months					12 months or longer					Less than 12 months					12 months or longer
($ in millions)	Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	—	$	—		$	—	$	—		$	1,553	$	(17	)	$	173	$	(2	)
U.S. States and political subdivisions	248		(1		)	—		—			179		(1		)	—		—
Foreign government	—		—			—		—			2		—			—		—
Mortgage-backed	1,336		(16		)	2,448		(56		)	4,096		(43		)	2,453		(107		)
Asset-backed	1,339		(10		)	118		(1		)	1,402		(8		)	64		—
Corporate debt	291		(6		)	14		(1		)	745		(16		)	12		(1		)
Total temporarily impaired debt securities	3,214		(33		)	2,580		(58		)	7,977		(85		)	2,702		(110		)
Temporarily impaired equity securities	336		(39		)	148		(47		)	534		(54		)	96		(40		)
Total temporarily impaired available-for-sale securities	$	3,550	$	(72	)	$	2,728	$	(105	)	$	8,511	$	(139	)	$	2,798	$	(150	)

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Finance Receivables And Loans, Net

3 Months Ended

Mar. 31, 2016

Loans and Leases Receivable, Net Reported Amount, by Category Alternative [Abstract]

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

Finance Receivables and Loans, Net

The composition of finance receivables and loans reported at gross carrying value was as follows.

($ in millions)	March 31, 2016		December 31, 2015
Consumer automotive (a)	$	63,013	$	64,292
Consumer mortgage
Mortgage Finance (b)	7,443		6,413
Mortgage — Legacy (c)	3,232		3,360
Total consumer mortgage	10,675		9,773
Total consumer	73,688		74,065
Commercial
Commercial and industrial
Automotive	30,829		31,469
Other	2,863		2,640
Commercial real estate — Automotive	3,496		3,426
Total commercial	37,188		37,535
Total finance receivables and loans (d)	$	110,876	$	111,600

(a) Includes $87 million and $66 million of fair value adjustment for loans in hedge accounting relationships at March 31, 2016, and December 31, 2015, respectively. Refer to Note 19 for additional information.

(b) Includes loans originated as interest-only mortgage loans of $41 million and $44 million at March 31, 2016, and December 31, 2015, respectively, 6% of which are expected to start principal amortization in 2016, 3% in 2017, none in 2018, 40% in 2019, and 36% thereafter.

(c) Includes loans originated as interest-only mortgage loans of $889 million and $941 million at March 31, 2016, and December 31, 2015, respectively, 26% of which are expected to start principal amortization in 2016, 22% in 2017, 2% in 2018, none in 2019, and 1% thereafter.

(d) Totals include a net increase of $198 million and $110 million at March 31, 2016, and December 31, 2015, respectively, for unearned income, unamortized premiums and discounts, and deferred fees and costs.

The following tables present an analysis of the activity in the allowance for loan losses on finance receivables and loans.

Three months ended March 31, 2016 ($ in millions)	Consumer automotive			Consumer mortgage			Commercial		Total
Allowance at January 1, 2016	$	834		$	114		$	106	$	1,054
Charge-offs	(253		)	(10		)	—		(263		)
Recoveries	80			4			—		84
Net charge-offs	(173		)	(6		)	—		(179		)
Provision for loan losses	207			7			6		220
Other (a)	(18		)	—			—		(18		)
Allowance at March 31, 2016	$	850		$	115		$	112	$	1,077
Allowance for loan losses at March 31, 2016
Individually evaluated for impairment	$	25		$	43		$	18	$	86
Collectively evaluated for impairment	825			72			94		991
Loans acquired with deteriorated credit quality	—			—			—		—
Finance receivables and loans at gross carrying value
Ending balance	$	63,013		$	10,675		$	37,188	$	110,876
Individually evaluated for impairment	337			261			90		688
Collectively evaluated for impairment	62,676			10,414			37,098		110,188
Loans acquired with deteriorated credit quality	—			—			—		—

(a) Primarily related to the transfer of finance receivables and loans from held-for-investment to held-for-sale.

Three months ended March 31, 2015 ($ in millions)	Consumer automotive			Consumer mortgage			Commercial			Total
Allowance at January 1, 2015	$	685		$	152		$	140		$	977
Charge-offs	(193		)	(22		)	—			(215		)
Recoveries	61			3			1			65
Net charge-offs	(132		)	(19		)	1			(150		)
Provision for loan losses	158			(5		)	(37		)	116
Other (a)	—			(9		)	(1		)	(10		)
Allowance at March 31, 2015	$	711		$	119		$	103		$	933
Allowance for loan losses at March 31, 2015
Individually evaluated for impairment	$	21		$	54		$	15		$	90
Collectively evaluated for impairment	690			65			88			843
Loans acquired with deteriorated credit quality	—			—			—			—
Finance receivables and loans at gross carrying value
Ending balance	$	57,447		$	7,652		$	34,757		$	99,856
Individually evaluated for impairment	278			253			65			596
Collectively evaluated for impairment	57,169			7,399			34,692			99,260
Loans acquired with deteriorated credit quality	—			—			—			—

(a) Primarily related to the transfer of finance receivables and loans from held-for-investment to held-for-sale.

The following table presents the gross carrying value of significant sales of finance receivables and loans and transfers of finance receivables and loans from held-for-investment to held-for-sale.

	Three months ended March 31,
($ in millions)	2016		2015
Consumer automotive	$	2,599	$	—
Consumer mortgage	2		69
Commercial	—		—
Total sales and transfers	$	2,601	$	69

The following table presents information about significant purchases of finance receivables and loans.

	Three months ended March 31,
($ in millions)	2016		2015
Consumer automotive	$	—	$	—
Consumer mortgage	1,370		654
Total purchases of finance receivables and loans	$	1,370	$	654

The following table presents an analysis of our past due finance receivables and loans recorded at gross carrying value.

($ in millions)	30-59 days past due		60-89 days past due		90 days or more past due		Total past due		Current		Total finance receivables and loans
March 31, 2016
Consumer automotive	$	1,227	$	247	$	215	$	1,689	$	61,324	$	63,013
Consumer mortgage
Mortgage Finance	65		3		8		76		7,367		7,443
Mortgage — Legacy	46		16		70		132		3,100		3,232
Total consumer mortgage	111		19		78		208		10,467		10,675
Total consumer	1,338		266		293		1,897		71,791		73,688
Commercial
Commercial and industrial
Automotive	—		—		—		—		30,829		30,829
Other	—		—		—		—		2,863		2,863
Commercial real estate — Automotive	—		—		—		—		3,496		3,496
Total commercial	—		—		—		—		37,188		37,188
Total consumer and commercial	$	1,338	$	266	$	293	$	1,897	$	108,979	$	110,876
December 31, 2015
Consumer automotive	$	1,618	$	369	$	222	$	2,209	$	62,083	$	64,292
Consumer mortgage
Mortgage Finance	44		5		10		59		6,354		6,413
Mortgage — Legacy	53		20		73		146		3,214		3,360
Total consumer mortgage	97		25		83		205		9,568		9,773
Total consumer	1,715		394		305		2,414		71,651		74,065
Commercial
Commercial and industrial
Automotive	—		—		—		—		31,469		31,469
Other	—		—		—		—		2,640		2,640
Commercial real estate — Automotive	—		—		—		—		3,426		3,426
Total commercial	—		—		—		—		37,535		37,535
Total consumer and commercial	$	1,715	$	394	$	305	$	2,414	$	109,186	$	111,600

The following table presents the gross carrying value of our finance receivables and loans on nonaccrual status.

($ in millions)	March 31, 2016		December 31, 2015
Consumer automotive	$	492	$	475
Consumer mortgage
Mortgage Finance	11		15
Mortgage — Legacy	105		113
Total consumer mortgage	116		128
Total consumer	608		603
Commercial
Commercial and industrial
Automotive	19		25
Other	66		44
Commercial real estate — Automotive	5		8
Total commercial	90		77
Total consumer and commercial finance receivables and loans	$	698	$	680

Management performs a quarterly analysis of the consumer automotive, consumer mortgage, and commercial portfolios using a range of credit quality indicators to assess the adequacy of the allowance for loan losses based on historical and current trends. The following tables present the population of loans by quality indicators for our consumer automotive, consumer mortgage, and commercial portfolios.

The following table presents performing and nonperforming credit quality indicators in accordance with our internal accounting policies for our consumer finance receivables and loans recorded at gross carrying value. Nonperforming loans include finance receivables and loans on nonaccrual status when the principal or interest has been delinquent for 90 days or when full collection is not expected. Refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K for additional information.

	March 31, 2016						December 31, 2015
($ in millions)	Performing		Nonperforming		Total		Performing		Nonperforming		Total
Consumer automotive	$	62,521	$	492	$	63,013	$	63,817	$	475	$	64,292
Consumer mortgage
Mortgage Finance	7,432		11		7,443		6,398		15		6,413
Mortgage — Legacy	3,127		105		3,232		3,247		113		3,360
Total consumer mortgage	10,559		116		10,675		9,645		128		9,773
Total consumer	$	73,080	$	608	$	73,688	$	73,462	$	603	$	74,065

The following table presents pass and criticized credit quality indicators based on regulatory definitions for our commercial finance receivables and loans recorded at gross carrying value.

	March 31, 2016						December 31, 2015
($ in millions)	Pass		Criticized (a)		Total		Pass		Criticized (a)		Total
Commercial and industrial
Automotive	$	29,008	$	1,821	$	30,829	$	29,613	$	1,856	$	31,469
Other	2,144		719		2,863		2,122		518		2,640
Commercial real estate — Automotive	3,334		162		3,496		3,265		161		3,426
Total commercial	$	34,486	$	2,702	$	37,188	$	35,000	$	2,535	$	37,535

(a) Includes loans classified as special mention, substandard, or doubtful. These classifications are based on regulatory definitions and generally represent loans within our portfolio that have a higher default risk or have already defaulted.

Impaired Loans and Troubled Debt Restructurings

Impaired Loans

Loans are considered impaired when we determine it is probable that we will be unable to collect all amounts due according to the terms of the loan agreement. For more information on our impaired finance receivables and loans, refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K.

The following table presents information about our impaired finance receivables and loans.

($ in millions)	Unpaid principal balance (a)		Gross carrying value		Impaired with no allowance		Impaired with an allowance		Allowance for impaired loans
March 31, 2016
Consumer automotive	$	375	$	337	$	118	$	219	$	25
Consumer mortgage
Mortgage Finance	9		8		4		4		1
Mortgage — Legacy	256		253		59		194		42
Total consumer mortgage	265		261		63		198		43
Total consumer	640		598		181		417		68
Commercial
Commercial and industrial
Automotive	19		19		3		16		2
Other	78		66		23		43		15
Commercial real estate — Automotive	5		5		1		4		1
Total commercial	102		90		27		63		18
Total consumer and commercial finance receivables and loans	$	742	$	688	$	208	$	480	$	86
December 31, 2015
Consumer automotive	$	315	$	315	$	—	$	315	$	22
Consumer mortgage
Mortgage Finance	9		9		5		4		1
Mortgage — Legacy	260		257		59		198		43
Total consumer mortgage	269		266		64		202		44
Total consumer	584		581		64		517		66
Commercial
Commercial and industrial
Automotive	25		25		4		21		3
Other	44		44		—		44		15
Commercial real estate — Automotive	8		8		1		7		2
Total commercial	77		77		5		72		20
Total consumer and commercial finance receivables and loans	$	661	$	658	$	69	$	589	$	86

(a) Adjusted for charge-offs.

The following table presents average balance and interest income for our impaired finance receivables and loans.

	2016				2015
Three months ended March 31, ($ in millions)	Average balance		Interest income		Average balance		Interest income
Consumer automotive	$	326	$	4	$	290	$	4
Consumer mortgage
Mortgage Finance	9		—		7		—
Mortgage — Legacy	255		2		304		2
Total consumer mortgage	264		2		311		2
Total consumer	590		6		601		6
Commercial
Commercial and industrial
Automotive	23		—		34		—
Other	49		1		40		3
Commercial real estate — Automotive	6		—		4		—
Total commercial	78		1		78		3
Total consumer and commercial finance receivables and loans	$	668	$	7	$	679	$	9

Troubled Debt Restructurings

Troubled Debt Restructurings (TDRs) are loan modifications where concessions were granted to borrowers experiencing financial difficulties. Numerous initiatives are in place to provide support to our mortgage customers in financial distress, including principal forgiveness, maturity extensions, delinquent interest capitalization, and changes to contractual interest rates. Additionally, for automotive loans, we may offer several types of assistance to aid our customers, including extension of the loan maturity date and rewriting the loan terms. Total TDRs recorded at gross carrying value were $641 million and $625 million at March 31, 2016, and December 31, 2015, respectively. Commercial commitments to lend additional funds to borrowers owing receivables whose terms had been modified in a TDR were $3 million and $2 million, at March 31, 2016, and December 31, 2015, respectively. Refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K for additional information.

The following table presents information related to finance receivables and loans recorded at gross carrying value modified in connection with a TDR during the period.

	2016					2015
Three months ended March 31, ($ in millions)	Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value		Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value
Consumer automotive	5,622	$	89	$	76	4,055	$	63	$	53
Consumer mortgage
Mortgage Finance	1	1		1		2	1		1
Mortgage — Legacy	31	4		4		38	6		5
Total consumer mortgage	32	5		5		40	7		6
Total consumer	5,654	94		81		4,095	70		59
Commercial
Commercial and industrial
Automotive	—	—		—		—	—		—
Other	—	—		—		—	—		—
Commercial real estate — Automotive	—	—		—		—	—		—
Total commercial	—	—		—		—	—		—
Total consumer and commercial finance receivables and loans	5,654	$	94	$	81	4,095	$	70	$	59

The following table presents information about finance receivables and loans recorded at gross carrying value that have redefaulted during the reporting period and were within 12 months or less of being modified as a TDR. Redefault is when finance receivables and loans meet the requirements for evaluation under our charge-off policy (refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K for additional information) except for commercial finance receivables and loans, where redefault is defined as 90 days past due.

	2016					2015
Three months ended March 31, ($ in millions)	Number of loans	Gross carrying value		Charge-off amount		Number of loans	Gross carrying value		Charge-off amount
Consumer automotive	1,800	$	23	$	12	1,581	$	19	$	11
Consumer mortgage
Mortgage Finance	—	—		—		—	—		—
Mortgage — Legacy	1	—		—		4	—		—
Total consumer finance receivables and loans	1,801	$	23	$	12	1,585	$	19	$	11

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Investment In Operating Leases, Net

3 Months Ended

Mar. 31, 2016

Leases, Operating [Abstract]

Operating Leases of Lessor Disclosure [Text Block]

Investment in Operating Leases, Net

Investments in operating leases were as follows.

($ in millions)	March 31, 2016			December 31, 2015
Vehicles	$	18,784		$	20,211
Accumulated depreciation	(3,826		)	(3,940		)
Investment in operating leases, net	$	14,958		$	16,271

Depreciation expense on operating lease assets includes remarketing gains and losses recognized on the sale of operating lease assets. The following summarizes the components of depreciation expense on operating lease assets.

	Three months ended March 31,
($ in millions)	2016			2015
Depreciation expense on operating lease assets (excluding remarketing gains)	$	565		$	691
Remarketing gains	(55		)	(69		)
Net depreciation expense on operating lease assets	$	510		$	622

XML

Securitizations And Variable Interest Entities

3 Months Ended

Mar. 31, 2016

Securitizations And Variable Interest Entities [Abstract]

Securitizations And Variable Interest Entities Disclosure [Text Block]

Securitizations and Variable Interest Entities

We are involved in several types of securitization and financing transactions that utilize special-purpose entities (SPEs). A SPE is an entity that is designed to fulfill a specified limited need of the sponsor. Our principal use of SPEs is to obtain liquidity by securitizing certain of our financial assets and operating lease assets.

The transaction-specific SPEs involved in our securitization and other financing transactions are often considered VIEs. VIEs are entities that have either a total equity investment at risk that is insufficient to permit the entity to finance its activities without additional subordinated financial support or whose equity investors at risk lack the ability to control the entity's activities.

We provide a wide range of consumer and commercial automotive loans, operating leases, and commercial loans to a diverse customer base. We securitize consumer and commercial automotive loans, and operating leases through private-label securitizations. We often securitize these loans and notes secured by operating leases (collectively referred to as financial assets) through the use of securitization entities, which may or may not be consolidated on our Condensed Consolidated Balance Sheet.

We provide long-term guarantee contracts to investors in certain nonconsolidated affordable housing entities and have extended a line of credit to provide liquidity and minimize our exposure under these contracts. Since we do not have control over the entities or the power to make decisions, we do not consolidate the entities and our involvement is limited to the guarantee and the line of credit.

We have involvement with various other nonconsolidated equity investments, including affordable housing entities and venture capital funds and loan funds. We do not consolidate these entities and our involvement is limited to our outstanding investment, additional capital committed to these funds plus any previously recognized low income housing tax credits that are subject to recapture.

Refer to Note 10 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K for further description of our securitization activities and our involvement with VIEs.

Our involvement with consolidated and nonconsolidated VIEs in which we hold variable interests is presented below.

($ in millions)	Involvement with VIEs			Assets of nonconsolidated VIEs (a)			Maximum exposure to loss in nonconsolidated VIEs
March 31, 2016
On-balance sheet variable interest entities
Consumer automotive	$	27,408	(b)
Commercial automotive	15,817
Off-balance sheet variable interest entities
Consumer automotive	25			$	3,647	(c)	$	3,672	(d)
Commercial other	224		(e)	—		(c)	523		(f)
Total	$	43,474		$	3,647		$	4,195
December 31, 2015
On-balance sheet variable interest entities
Consumer automotive	$	27,967	(b)
Commercial automotive	16,763
Off-balance sheet variable interest entities
Consumer automotive	—			$	3,034		$	3,034	(d)
Commercial other	210		(e)	—		(c)	493		(f)
Total	$	44,940		$	3,034		$	3,527

(a) Asset values represent the current unpaid principal balance of outstanding consumer finance receivables and loans within the VIEs.

(b) Includes $10.2 billion and $10.6 billion of assets that are not encumbered by VIE beneficial interests held by third parties at March 31, 2016, and December 31, 2015, respectively. Ally or consolidated affiliates hold the interests in these assets which eliminate in consolidation.

(c) Includes VIEs for which we have no management oversight and therefore we are not able to provide the total assets of the VIEs.

(d) Maximum exposure to loss represents the current unpaid principal balance of outstanding loans based on our customary representation and warranty provisions and certain noncertificated interests retained from the sale of automotive finance receivables. This measure is based on the unlikely event that all of the loans have underwriting defects or other defects that trigger a representation and warranty provision and the collateral supporting the loans are worthless. This required disclosure is not an indication of our expected loss.

(e) Includes $234 million and $222 million classified as other assets, offset by $10 million and $12 million classified as accrued expenses and other liabilities at March 31, 2016, and December 31, 2015, respectively.

(f) For certain nonconsolidated affordable housing entities, maximum exposure to loss represents the yield we guaranteed investors through long term guarantee contracts. The amount disclosed is based on the unlikely event that the underlying properties cease generating yield to investors and the yield delivered to investors in the form of low income tax housing credits is recaptured. For nonconsolidated equity investments, maximum exposure to loss represents our outstanding investment, additional committed capital, and low income housing tax credits subject to recapture. The amount disclosed is based on the unlikely event that our committed capital is funded, our investments become worthless, and the tax credits previously delivered to us are recaptured. This required disclosure is not an indication of our expected loss.

Cash Flows with Off-balance Sheet Securitization Entities

The following table summarizes cash flows received and paid related to securitization entities and asset-backed financings where the transfer is accounted for as a sale and we have a continuing involvement with the transferred assets (e.g., servicing) that were outstanding during the three months endedMarch 31, 2016, and 2015. Additionally, this table contains information regarding cash flows received from and paid to nonconsolidated securitization entities that existed during each period.

Three months ended March 31, ($ in millions)	Consumer automotive
2016
Cash proceeds from transfers completed during the period	$	1,025
Servicing fees	8
Other cash flows	2
2015
Servicing fees	$	7

Delinquencies and Net Credit Losses

The following tables represent on-balance sheet loans held-for-sale and finance receivable and loans, off-balance sheet securitizations, and whole-loan sales where we have continuing involvement. The tables present quantitative information about delinquencies and net credit losses.

	Total Amount				Amount 60 days or more past due
($ in millions)	March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015
On-balance sheet loans
Consumer automotive	$	63,013	$	64,292	$	462	$	591
Consumer mortgage	10,675		9,773		97		108
Commercial automotive	34,325		34,895		—		—
Commercial other	2,902		2,745		—		—
Total on-balance sheet loans	110,915		111,705		559		699
Off-balance sheet securitization entities
Consumer automotive	3,139		2,529		8		9
Total off-balance sheet securitization entities	3,139		2,529		8		9
Whole-loan transactions (a)	3,477		2,252		8		13
Total	$	117,531	$	116,486	$	575	$	721

(a) Whole-loan transactions are not part of a securitization transaction, but represent consumer automotive pools of loans sold to third-party investors.

	Net credit losses
	Three months ended March 31,
($ in millions)	2016		2015
On-balance sheet loans
Consumer automotive	$	173	$	132
Consumer mortgage	6		19
Commercial automotive	—		(1		)
Total on-balance sheet loans	179		150
Off-balance sheet securitization entities
Consumer automotive	2		1
Total off-balance sheet securitization entities	2		1
Total	$	181	$	151

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Servicing Activities

3 Months Ended

Mar. 31, 2016

Servicing Activities [Abstract]

Servicing Activities [Text Block]

Servicing Activities

Automotive Finance Servicing Activities

We service consumer automotive contracts. Historically, we have sold a portion of our consumer automotive contracts. With respect to contracts we sell, we retain the right to service and earn a servicing fee for our servicing function. We have concluded that the fee we are paid for servicing consumer automotive finance receivables represents adequate compensation, and consequently, we do not recognize a servicing asset or liability. We recognized automotive servicing fee income of $13 million and $10 million during the three months endedMarch 31, 2016, and 2015, respectively.

Automotive Finance Serviced Assets

The current unpaid principal balance and any related unamortized deferred fees and costs of total serviced automotive finance loans and leases outstanding were as follows.

($ in millions)	March 31, 2016		December 31, 2015
On-balance sheet automotive finance loans and leases
Consumer automotive	$	62,819	$	64,067
Commercial automotive	34,325		34,895
Operating leases	14,690		15,965
Other	67		72
Off-balance sheet automotive finance loans
Loans sold to third-party investors
Securitizations	3,168		2,550
Whole-loan	3,512		2,259
Total serviced automotive finance loans and leases	$	118,581	$	119,808

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Other Assets

3 Months Ended

Mar. 31, 2016

Other Assets [Abstract]

Other Assets Disclosure [Text Block]

Other Assets

The components of other assets were as follows.

($ in millions)	March 31, 2016			December 31, 2015
Property and equipment at cost	$	724		$	691
Accumulated depreciation	(474		)	(456		)
Net property and equipment	250			235
Restricted cash collections for securitization trusts (a)	2,021			2,010
Net deferred tax assets	1,142			1,369
Nonmarketable equity investments (b)	733			418
Other accounts receivable	392			158
Fair value of derivative contracts in receivable position (c)	224			233
Cash reserve deposits held-for-securitization trusts (d)	208			252
Collateral placed with counterparties	106			125
Restricted cash and cash equivalents	105			120
Other assets	1,401			1,401
Total other assets	$	6,582		$	6,321

(a) Represents cash collections from customer payments on securitized receivables. These funds are distributed to investors as payments on the related secured debt.

(b) Includes investments in FHLB stock of $271 million and $391 million and FRB stock of $435 million and $0 million at March 31, 2016, and December 31, 2015, respectively.

(c) For additional information on derivative instruments and hedging activities, refer to Note 19.

(d) Represents credit enhancement in the form of cash reserves for various securitization transactions.

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Deposit Liabilities

3 Months Ended

Mar. 31, 2016

Deposits [Abstract]

Deposit Liabilities Disclosures [Text Block]

Deposit Liabilities

Deposit liabilities consisted of the following.

($ in millions)	March 31, 2016		December 31, 2015
Noninterest-bearing deposits	$	92	$	89
Interest-bearing deposits
Savings and money market checking accounts	39,945		36,386
Certificates of deposit	30,010		29,774
Dealer deposits	218		229
Total deposit liabilities	$	70,265	$	66,478

At March 31, 2016, and December 31, 2015, certificates of deposit included $11.5 billion of certificates of deposit in denominations of $100 thousand or more. At March 31, 2016, and December 31, 2015, certificates of deposit included $3.2 billion in denominations in excess of $250 thousand federal insurance limits.

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Short-Term Borrowings

3 Months Ended

Mar. 31, 2016

Short-term Debt [Abstract]

Short-term Debt [Text Block]

Short-term Borrowings

The following table presents the composition of our short-term borrowings portfolio.

	March 31, 2016						December 31, 2015
($ in millions)	Unsecured		Secured (a)		Total		Unsecured		Secured (a)		Total
Demand notes	$	3,640	$	—	$	3,640	$	3,369	$	—	$	3,369
Federal Home Loan Bank	—		1,000		1,000		—		4,000		4,000
Securities sold under agreements to repurchase	—		725		725		—		648		648
Other	—		—		—		84		—		84
Total short-term borrowings	$	3,640	$	1,725	$	5,365	$	3,453	$	4,648	$	8,101

(a) Refer to Note 13 for further details on assets restricted as collateral for payment of the related debt.

We periodically enter into term repurchase agreements, short-term borrowing agreements in which we sell financial instruments to one or more investors while simultaneously committing to repurchase them at a specified future date, at the stated price plus accrued interest. As of March 31, 2016, the financial instruments sold under agreement to repurchase consisted of mortgage-backed residential securities with the following maturities: $351 millionwithin the next 30 days and$374 millionwithin 31 to 60 days. Refer to Note 5 and Note 22 for further details on investment securities sold under agreements to repurchase.

The primary risk associated with these repurchase agreements is that the counterparty will be unable to perform under the terms of the contract. As the borrower, Ally is exposed to the excess market value of the securities pledged over the amount borrowed. Daily mark-to-market collateral management is designed to limit this risk to the initial margin. However, should a counterparty declare bankruptcy or become insolvent, Ally may incur additional delays and costs. As of March 31, 2016, we received cash collateral totaling $1 million and we placed cash collateral totaling $2 million with counterparties under these collateral arrangements associated with our repurchase agreements.

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Long-Term Debt

3 Months Ended

Mar. 31, 2016

Long-term Debt, Unclassified [Abstract]

Long-term Debt [Text Block]

Long-term Debt

The following table presents the composition of our long-term debt portfolio.

	March 31, 2016						December 31, 2015
($ in millions)	Unsecured		Secured		Total		Unsecured		Secured			Total
Long-term debt
Due within one year	$	4,351	$	9,517	$	13,868	$	1,829	$	9,427		$	11,256
Due after one year (a)	15,758		31,911		47,669		18,803		35,844			54,647
Fair value adjustment (b)	497		10		507		334		(3		)	331
Total long-term debt (c)	$	20,606	$	41,438	$	62,044	$	20,966	$	45,268		$	66,234

(a) Includes $2.6 billion of trust preferred securities at both March 31, 2016, and December 31, 2015.

(b) Represents the fair value adjustment associated with the application of hedge accounting on certain of our long-term debt positions. Refer to Note 19 for additional information.

(c) Includes advances from the Federal Home Loan Bank of Pittsburgh (FHLB) of $5.4 billion at both March 31, 2016, and December 31, 2015.

The following table presents the scheduled remaining maturity of long-term debt at March 31, 2016, assuming no early redemptions will occur. The actual payment of secured debt may vary based on the payment activity of the related pledged assets.

($ in millions)	2016			2017			2018			2019			2020			2021 and thereafter			Fair value adjustment		Total
Unsecured
Long-term debt	$	1,412		$	4,371		$	3,701		$	1,631		$	2,213		$	8,156		$	497	$	21,981
Original issue discount	(58		)	(87		)	(99		)	(35		)	(36		)	(1,060		)	—		(1,375		)
Total unsecured	1,354			4,284			3,602			1,596			2,177			7,096			497		20,606
Secured
Long-term debt	5,569			12,721			8,448			7,128			4,058			3,504			10		41,438
Total long-term debt	$	6,923		$	17,005		$	12,050		$	8,724		$	6,235		$	10,600		$	507	$	62,044

The following summarizes assets restricted as collateral for the payment of the related debt obligation primarily arising from securitization transactions accounted for as secured borrowings and repurchase agreements.

	March 31, 2016					December 31, 2015
($ in millions)	Total			Ally Bank (a)		Total			Ally Bank (a)
Investment securities(b)	$	685		$	—	$	2,420		$	1,761
Mortgage assets held-for-investment and lending receivables	10,614			10,614		9,743			9,743
Consumer automotive finance receivables	32,246			8,515		34,324			9,167
Commercial automotive finance receivables	18,905			18,539		19,623			19,177
Investment in operating leases, net	4,669			2,644		5,539			3,205
Other assets (b)	74			—		—			—
Total assets restricted as collateral (c) (d)	$	67,193		$	40,312	$	71,649		$	43,053
Secured debt	$	43,163	(e)	$	19,259	$	49,916	(e)	$	24,787

(a) Ally Bank is a component of the total column.

(b) Certain investment securities and other assets are restricted under repurchase agreements. Refer to Note 12 for information on the repurchase agreements.

(c) Ally Bank has an advance agreement with the FHLB, and had assets pledged to secure borrowings that were restricted as collateral to the FHLB totaling $14.1 billion and $14.9 billion at March 31, 2016, and December 31, 2015, respectively. These assets were composed primarily of consumer mortgage finance receivables and loans, net and investment securities. Ally Bank has access to the Federal Reserve Bank Discount Window. Ally Bank had assets pledged and restricted as collateral to the Federal Reserve Bank totaling $2.9 billion at both March 31, 2016, and December 31, 2015. These assets were composed of consumer automotive finance receivables and loans, net and investment in operating leases, net. Availability under these programs is only for the operations of Ally Bank and cannot be used to fund the operations or liabilities of Ally or its subsidiaries.

(d) Excludes restricted cash and cash reserves for securitization trusts recorded within other assets on the Condensed Consolidated Balance Sheet. Refer to Note 10 for additional information.

(e) Includes $1.7 billion and $4.6 billion of short-term borrowings at March 31, 2016, and December 31, 2015, respectively.

Trust Preferred Securities

At March 31, 2016 we have issued and outstanding approximately $2.6 billion in aggregate liquidation preference of 8.125% Fixed Rate / Floating Rate Trust Preferred Securities, Series 2 (Series 2 TRUPS) net of original issue discount and debt issuance costs. Each Series 2 TRUPS security has a liquidation amount of $25. Distributions are cumulative and are payable until redemption at the applicable coupon rate. Distributions were payable at an annual rate of 8.125% payable quarterly in arrears, through but excluding February 15, 2016. From and including February 15, 2016, to but excluding February 15, 2040, distributions will be payable at an annual rate equal to three-month London interbank offer rate plus 5.785% payable quarterly in arrears, beginning May 15, 2016. Ally has the right to defer payments of interest for a period not exceeding 20 consecutive quarters. The Series 2 TRUPS have no stated maturity date, but must be redeemed upon the redemption or maturity of the related debentures (Debentures), which mature on February 15, 2040. Ally at any time on or after February 15, 2016 may redeem the Series 2 TRUPS at a redemption price equal to 100% of the principal amount being redeemed, plus accrued and unpaid interest through the date of redemption. The Series 2 TRUPS are generally nonvoting, other than with respect to certain limited matters. During any period in which any Series 2 TRUPS remain outstanding but in which distributions on the Series 2 TRUPS have not been fully paid, none of Ally or its subsidiaries will be permitted to (i) declare or pay dividends on, make any distributions with respect to, or redeem, purchase, acquire or otherwise make a liquidation payment with respect to, any of Ally’s capital stock or make any guarantee payment with respect thereto; or (ii) make any payments of principal, interest, or premium on, or repay, repurchase or redeem, any debt securities or guarantees that rank on a parity with or junior in interest to the Debentures with certain specified exceptions in each case.

Funding Facilities

We utilize both committed credit facilities and other collateralized funding vehicles. The debt outstanding under our various funding facilities is included on our Condensed Consolidated Balance Sheet.

As of March 31, 2016, Ally Bank had exclusive access to $4.0 billion of funding capacity from committed credit facilities. Funding programs supported by the Federal Reserve and the FHLB, together with repurchase agreements, complement Ally Bank’s private collateralized funding vehicles.

The total capacity in our committed funding facilities is provided by banks and other financial institutions through private transactions. The committed secured funding facilities can be revolving in nature and allow for additional funding during the commitment period, or they can be amortizing and not allow for any further funding after the closing date. At March 31, 2016, $19.6 billion of our $19.8 billion of committed capacity was revolving. Our revolving facilities generally have an original tenor ranging from 364 days to two years. As of March 31, 2016, we had $16.2 billion of committed funding capacity from revolving facilities with a remaining tenor greater than 364 days.

Committed Funding Facilities

	Outstanding				Unused capacity (a)				Total capacity
($ in millions)	March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015
Bank funding
Secured (b)	$	2,250	$	3,250	$	1,750	$	—	$	4,000	$	3,250
Parent funding
Secured	15,325		16,914		465		251		15,790		17,165
Total committed facilities	$	17,575	$	20,164	$	2,215	$	251	$	19,790	$	20,415

(a) Funding from committed secured facilities is available on request in the event excess collateral resides in certain facilities or is available to the extent incremental collateral is available and contributed to the facilities.

(b) Excludes off-balance sheet credit facility amounts.

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Accrued Expenses and Other Liabilities

3 Months Ended

Mar. 31, 2016

Accounts Payable and Accrued Liabilities [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

Accrued Expenses and Other Liabilities

The components of accrued expenses and other liabilities were as follows.

($ in millions)	March 31, 2016		December 31, 2015
Accounts payable	$	1,082	$	391
Reserves for insurance losses and loss adjustment expenses	184		169
Employee compensation and benefits	158		242
Collateral received from counterparties	126		82
Fair value of derivative contracts in payable position (a)	124		145
Deferred revenue	93		108
Other liabilities	418		408
Total accrued expenses and other liabilities	$	2,185	$	1,545

(a) For additional information on derivative instruments and hedging activities, refer to Note 19.

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Preferred Stock

3 Months Ended

Mar. 31, 2016

Preferred Stock, Including Additional Paid in Capital [Abstract]

Preferred Stock [Text Block]

Preferred Stock

The following table summarizes information about our Series A preferred stock.

	March 31, 2016			December 31, 2015
Series A preferred stock (a) (b)
Carrying value ($ in millions)	$	696		$	696
Par value (per share)	0.01			0.01
Liquidation preference (per share)	25			25
Number of shares authorized	40,870,560			40,870,560
Number of shares issued and outstanding	27,870,560			27,870,560
Dividend/coupon
Prior to May 15, 2016	8.5		%	8.5		%
On and after May 15, 2016	Three month LIBOR + 6.243%			Three month LIBOR + 6.243%

(a) Nonredeemable prior to May 15, 2016.

(b) On April 14, 2016, we issued a Notice of Redemption to the holders of the outstanding Series A Preferred Stock to redeem the remaining 27,870,560 shares at a redemption price of $25 per share.We plan to redeem the outstanding shares on May 16, 2016.

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Accumulated Other Comprehensive Income (Loss)

3 Months Ended

Mar. 31, 2016

Accumulated Other Comprehensive Income (Loss) [Abstract]

Comprehensive Income (Loss) Note [Text Block]

Accumulated Other Comprehensive Loss

The following table presents changes, net of tax, in each component of accumulated other comprehensive (loss) income.

($ in millions)	Unrealized (losses) gains on investment securities (a)			Translation adjustments and net investment hedges (b)			Cash flow hedges		Defined benefit pension plans			Accumulated other comprehensive loss
Balance at December 31, 2014	$	(21	)	$	36		$	7	$	(88	)	$	(66	)
2015 net change	52			(21		)	—		—			31
Balance at March 31, 2015	$	31		$	15		$	7	$	(88	)	$	(35	)
Balance at December 31, 2015	$	(159	)	$	9		$	8	$	(89	)	$	(231	)
2016 net change	142			5			—		(1		)	146
Balance at March 31, 2016	$	(17	)	$	14		$	8	$	(90	)	$	(85	)

(a) Represents the after-tax difference between the fair value and amortized cost of our available-for-sale securities portfolio.

(b) For additional information on derivative instruments and hedging activities, refer to Note 19.

The following tables present the before- and after-tax changes in each component of accumulated other comprehensive (loss) income.

Three months ended March 31, 2016($ in millions)	Before Tax				Tax Effect				After Tax
Investment securities
Net unrealized gains arising during the period	$	280			$	(104	)		$	176
Less: Net realized gains reclassified to income from continuing operations	54			(a)	(20		)	(b)	34
Net change	226				(84		)		142
Translation adjustments
Net unrealized gains arising during the period	13				(5		)		8
Net investment hedges
Net unrealized losses arising during the period	(6		)		3				(3		)
Defined benefit pension plans
Net unrealized losses arising during the period	(1		)		—				(1		)
Other comprehensive income	$	232			$	(86	)		$	146

(a) Includes gains reclassified to other gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

Three months ended March 31, 2015 ($ in millions)	Before Tax				Tax Effect				After Tax
Investment securities
Net unrealized gains arising during the period	$	138			$	(51	)		$	87
Less: Net realized gains reclassified to income from continuing operations	55			(a)	(20		)	(b)	35
Net change	83				(31		)		52
Translation adjustments
Net unrealized losses arising during the period	(20		)		7				(13		)
Less: Net realized gains reclassified to income from discontinued operations, net of tax	42				(20		)		22
Net change	(62		)		27				(35		)
Net investment hedges
Net unrealized gains arising during the period	18				(7		)		11
Less: Net realized losses reclassified to income from discontinued operations, net of tax	(4		)		1				(3		)
Net change	22				(8		)		14
Other comprehensive income	$	43			$	(12	)		$	31

(a) Includes gains reclassified to other gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

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Earnings Per Common Share

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

Earnings per Common Share

The following table presents the calculation of basic and diluted earnings per common share.

	Three months ended March 31,
($ in millions, except share data) (a)	2016			2015
Net income from continuing operations	$	247		$	179
Preferred stock dividends	(15		)	(67		)
Net income from continuing operations attributable to common shareholders	232			112
Income from discontinued operations, net of tax	3			397
Net income attributable to common shareholders	$	235		$	509
Basic weighted-average common shares outstanding (b)	484,233,246			482,247,935
Diluted weighted-average common shares outstanding (b)	484,654,229			482,781,619
Basic earnings per common share
Net income from continuing operations	$	0.48		$	0.23
Income from discontinued operations, net of tax	0.01			0.82
Net income	$	0.49		$	1.06
Diluted earnings per common share
Net income from continuing operations	$	0.48		$	0.23
Income from discontinued operations, net of tax	0.01			0.82
Net income	$	0.49		$	1.06

(a) Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

(b) Includes shares related to share-based compensation that vested but were not yet issued for the three months endedMarch 31, 2016, and 2015, respectively.

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Regulatory Capital

3 Months Ended

Mar. 31, 2016

Regulatory Capital Requirements [Abstract]

Regulatory Capital Requirements under Banking Regulations [Text Block]

Regulatory Capital and Other Regulatory Matters

As a BHC, we and our wholly-owned state-chartered banking subsidiary, Ally Bank, are subject to capital requirements issued by U.S. banking regulators that require us to maintain risk-based and leverage capital ratios above minimum levels. A risk-based capital ratio is a ratio of a banking organization’s regulatory capital to its risk-weighted assets. A leverage capital ratio is a ratio of a banking organization’s regulatory capital to a measure of assets or exposures that is not risk-weighted. As of January 1, 2015, Ally and Ally Bank became subject to the rules implementing the 2010 Basel III capital framework in the United States (U.S. Basel III), which reflect new and higher capital requirements, capital buffers, and new regulatory capital definitions, deductions and adjustments. Certain aspects of U.S. Basel III, including the new capital buffers and regulatory capital deductions, will be phased in over several years.

Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary action by regulators that, if undertaken, could have a direct material effect on the Condensed Consolidated Financial Statements or the results of operations and financial condition of Ally and Ally Bank. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, we and Ally Bank must meet specific capital guidelines that involve quantitative measures of capital, assets and certain off-balance sheet items. These measures and related classifications, which are used in the calculation of our risk-based and leverage capital ratios and those of Ally Bank, are also subject to qualitative judgments by the regulators about the components of capital, the risk-weightings of assets and other exposures, and other factors. The U.S. banking regulators also use these ratios and guidelines as part of the capital planning and stress testing processes. In addition, in order for Ally to maintain its status as a FHC, Ally and its bank subsidiary, Ally Bank, must remain “well-capitalized” and “well-managed,” as defined under applicable law. Effective January 1, 2015, the “well-capitalized” standard for insured depository institutions, such as Ally Bank, was revised to reflect the new and higher capital requirements under U.S. Basel III.

Under U.S. Basel III, Ally must maintain a minimum Common Equity Tier 1 risk-based capital ratio of4.5%, a minimum Tier 1 risk-based capital ratio of6%, and a minimum Total risk-based capital ratio of8%. In addition to these minimum requirements, Ally is also subject to a Common Equity Tier 1 capital conservation buffer of more than2.5%, subject to a phase-in from January 1, 2016 through December 31, 2018. Failure to maintain the full amount of the buffer will result in restrictions on Ally’s ability to make capital distributions, including dividend payment and stock repurchases and redemptions, and to pay discretionary bonuses to executive officers. In addition to these new risk-based capital standards, U.S. Basel III subjects all U.S. banking organizations, including Ally, to a minimum Tier 1 leverage ratio of 4%, the denominator of which takes into account only on-balance sheet assets.

In addition to introducing new capital ratios, U.S. Basel III revises the eligibility criteria for regulatory capital instruments and provides for the phase-out of instruments that had previously been recognized as capital but that do not satisfy the new criteria. Subject to certain exceptions (e.g., for certain debt or equity issued to the U.S. government under the Emergency Economic Stabilization Act), trust preferred and other “hybrid” securities are no longer included in a BHC's Tier 1 capital as of January 1, 2016. Also, subject to a phase-in schedule, certain new items are deducted from Common Equity Tier 1 capital, and certain other deductions from regulatory capital have been modified. Among other things, U.S. Basel III requires significant investments in the common shares of unconsolidated financial institutions, mortgage servicing rights, and certain deferred tax assets that exceed specified individual and aggregate thresholds to be deducted from Common Equity Tier 1 capital. U.S. Basel III also revises the standardized approach for calculating risk-weighted assets by, among other things, modifying certain risk weights and introducing new methods for calculating risk-weighted assets for certain types of assets and exposures.

Ally is subject to the U.S. Basel III standardized approach for credit risk. It is not subject to the U.S. Basel III advanced approaches for credit risk. Ally is currently not subject to the U.S. market risk capital rule, which applies only to banking organizations with significant trading assets and liabilities.

On March 7, 2016, Ally Bank received approval from the Federal Reserve to become a state member bank. Ally Bank will now be regulated by the FRB through the Federal Reserve Bank of Chicago, as well as the Utah Department of Financial Institutions. In addition, in connection with the application for membership in the Federal Reserve System, Ally Bank made commitments to the FRB relating to capital, liquidity, and business plan requirements that are consistent with existing requirements pursuant to the Capital and Liquidity Maintenance Agreement (CLMA) that was entered into with the Federal Deposit Insurance Corporation including the requirement to maintain capital at a level such that its Tier 1 leverage ratio is at least 15%. For this purpose, the leverage ratio is determined in accordance with the FRB's regulations related to capital maintenance. As a requirement of Federal Reserve membership, on March 21, 2016, Ally Bank purchased $435 million of FRB stock.

Compliance with capital requirements is a strategic priority for Ally. We expect to be in compliance with all applicable requirements within the established timeframes.

The following table summarizes our capital ratios under the U.S. Basel III capital framework.

	March 31, 2016				December 31, 2015				Required minimum			Well-capitalized minimum
($ in millions)	Amount		Ratio		Amount		Ratio
Risk-based capital
Common Equity Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	12,656	9.47	%	$	12,507	9.21	%	4.50	%		(a)
Ally Bank	16,871		17.61		16,594		17.05		4.50			6.50	%
Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	15,462	11.57	%	$	15,077	11.10	%	6.00	%		6.00	%
Ally Bank	16,871		17.61		16,594		17.05		6.00			8.00
Total (to risk-weighted assets)
Ally Financial Inc.	$	17,363	13.00	%	$	17,005	12.52	%	8.00	%		10.00	%
Ally Bank	17,344		18.11		17,043		17.51		8.00			10.00
Tier 1 leverage (to adjusted quarterly average assets) (b)
Ally Financial Inc.	$	15,462	9.87	%	$	15,077	9.73	%	4.00	%		(a)
Ally Bank	16,871		15.25		16,594		15.38		15.00		(c)	5.00	%

(a) Currently, there is no ratio component for determining whether a BHC is "well-capitalized."

(b) Federal regulatory reporting guidelines require the calculation of adjusted quarterly average assets using a daily average methodology.

(c) Ally Bank has committed to the FRB to maintain a Tier 1 leverage ratio of at least 15%.

At March 31, 2016, Ally and Ally Bank were “well-capitalized” and met all capital requirements to which each was subject.

Capital Planning and Stress Tests

As a BHC with $50 billion or more of consolidated assets, Ally is required to conduct periodic company-run stress tests, is subject to an annual supervisory stress test conducted by the FRB, and must submit an annual capital plan to the FRB.

Ally’s capital plan must include a description of all planned capital actions over a nine-quarter planning horizon. The capital plan must also include a discussion of how Ally will maintain capital above the minimum regulatory capital ratios under baseline, adverse, and severely adverse economic scenarios, and serve as a source of strength to Ally Bank. The FRB must approve Ally's capital plan before Ally may take any capital action. Even with an approved capital plan, Ally must seek the approval of the FRB before making a capital distribution if, among other factors, Ally would not meet its regulatory capital requirements after making the proposed capital distribution.

In addition to the Series G preferred stock redemptions and Series A preferred stock repurchase that occurred during 2015, as part of the 2015 CCAR process, Ally also received approval to repurchase or redeem the remaining approximately $700 million of Series A preferred stock as well as $500 million of our Trust Preferred Securities. We plan to redeem the outstanding shares of Series A preferred stock, pursuant to a Notice of Redemption issued by Ally on April 14, 2016, but will indefinitely defer redemption of the Trust Preferred Securities in support of the TradeKing Group, Inc. acquisition announced on April 5, 2016. Refer to Note 26 to the Condensed Consolidated Financial Statements for additional information impacting these capital actions. No later than June 30, 2016, the FRB will either provide a notice of non-objection or object to our 2016 capital plan, which was submitted to the FRB on April 5, 2016, with planned capital actions including the initiation of a dividend on and repurchases of shares of our common stock.

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Derivative Instruments And Hedging Activities

3 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities Disclosure [Text Block]

Derivative Instruments and Hedging Activities

We enter into interest rate, foreign-currency, and equity swaps, futures, forwards, options, and swaptions in connection with our market risk management activities. Derivative instruments are used to manage interest rate risk relating to specific groups of assets and liabilities, including automotive loan assets and debt. We use foreign exchange contracts to mitigate foreign-currency risk associated with foreign-currency-denominated debt, foreign exchange transactions, and our net investment in foreign subsidiaries. In addition, we also enter into equity option contracts to manage our exposure to the equity markets. Our primary objective for utilizing derivative financial instruments is to manage interest rate risk associated with our fixed- and variable-rate assets and liabilities, foreign exchange risks related to our foreign-currency denominated assets and liabilities, and market risks related to our investment portfolio and certain of our executive share-based compensation plans.

Interest Rate Risk

We monitor our mix of fixed- and variable-rate assets and liabilities. When it is cost-effective to do so, we may enter into interest rate swaps, forwards, futures, options, and swaptions to achieve our desired mix of fixed- and variable-rate assets and liabilities. We execute interest rate swaps, forwards, futures, options, and swaptions to modify our exposure to interest rate risk by converting certain fixed-rate instruments to a variable-rate and certain variable-rate instruments to a fixed-rate. We use a mix of both derivatives that qualify for hedge accounting treatment and economic hedges.

Derivatives qualifying for hedge accounting consist of receive-fixed swaps designated as fair value hedges of specific fixed-rate unsecured debt obligations, receive-fixed swaps designated as fair value hedges of specific fixed-rate Federal Home Loan Bank Advances and pay-fixed swaps designated as fair value hedges of specific portfolios of fixed-rate held-for-investment retail automotive loan assets. In 2015, we also had pay-fixed swaps designated as cash flow hedges of the expected future cash flows in the form of interest payments on certain outstanding variable-rate borrowings associated with our secured debt.

We also execute economic hedges, which consist of interest rate swaps and interest rate caps held to mitigate interest rate risk associated with our debt portfolio. We also use interest rate swaps to economically hedge our net fixed-versus-variable interest rate exposure. We enter into economic hedges in the form of short-dated, exchange-traded Eurodollar futures to hedge the interest rate exposure of our fixed-rate automotive loans, as well as forwards, options, and swaptions to economically hedge our net fixed-versus-variable interest rate exposure.

Foreign Exchange Risk

We enter into derivative financial instrument contracts to mitigate the risk associated with variability in cash flows related to our various foreign-currency exposures.

We enter into foreign-currency forwards with external counterparties as net investment hedges of foreign exchange exposure on our investments in foreign subsidiaries. Our equity is impacted by the cumulative translation adjustments resulting from the translation of foreign subsidiary results; this impact is reflected in our accumulated other comprehensive (loss) income.

We also enter into foreign-currency forwards to economically hedge our foreign-denominated debt, our centralized lending program, and foreign-denominated third party loans. The hedge of foreign-denominated debt was entered into concurrent with the debt issuance with the terms of the derivative matching the terms of the underlying debt. The centralized lending program manages liquidity for our subsidiary businesses, but as of March 31, 2016, this activity is immaterial. Foreign-currency-denominated loan agreements are executed with our foreign subsidiaries in their local currencies. We evaluate our foreign-currency exposure resulting from intercompany lending and manage our currency risk exposure by entering into foreign-currency derivatives with external counterparties. Our remaining foreign-currency derivatives, such as hedges of foreign-denominated third party loans, are recorded at fair value with changes recorded as income offsetting the gains and losses on the associated foreign-currency transactions.

We utilized a cross-currency swap to economically hedge foreign exchange exposure on foreign-currency-denominated debt by converting the funding currency to our functional currency. This swap was entered into concurrent with the debt issuance with the terms of the derivative matching the terms of the underlying debt. This swap matured during the second quarter of 2015.

Market Risk

We enter into equity options to economically hedge our exposure to the equity markets. We purchase options to assume a long position on certain equities and write options to assume a short position.

We also enter into prepaid equity forward contracts to economically hedge the price risk associated with certain of our executive share-based compensation plans. The prepaid equity forward contracts are hybrid instruments containing an embedded forward contract, which is considered a derivative instrument. The embedded derivative instrument is bifurcated from the host contract and is recorded at fair value with changes in fair value recorded in compensation and benefits expense. The balance of the prepaid component of these equity forward contracts was $25 million as of March 31, 2016, and was recorded within other assets on the Condensed Consolidated Balance Sheet.

Counterparty Credit Risk

Derivative financial instruments contain an element of credit risk if counterparties are unable to meet the terms of the agreements. Credit risk associated with derivative financial instruments is measured as the net replacement cost should the counterparties that owe us under the contract completely fail to perform under the terms of those contracts, assuming no recoveries of underlying collateral as measured by the market value of the derivative financial instrument.

To mitigate the risk of counterparty default, we maintain collateral agreements with certain counterparties. The agreements require both parties to post collateral in the event the fair values of the derivative financial instruments meet posting thresholds established under the agreements. In the event that either party defaults on the obligation, the secured party may seize the collateral. Generally, our collateral arrangements are bilateral such that we and the counterparty post collateral for the value of our total obligation to each other. Contractual terms provide for standard and customary exchange of collateral based on changes in the market value of the outstanding derivatives. The securing party posts additional collateral when their obligation rises or removes collateral when it falls.

Certain derivative instruments contain provisions that require us to either post additional collateral or immediately settle any outstanding liability balances upon the occurrence of a specified credit risk-related event. No such specified credit risk related events occurred during the first quarter of 2016.

We placed cash collateral totaling $104 million and securities collateral totaling $78 million at March 31, 2016, and $103 million and $86 million at December 31, 2015, respectively, in accounts maintained by counterparties. This amount primarily relates to collateral posted to support our derivative positions. This amount also excludes cash and securities pledged as collateral under repurchase agreements. At March 31, 2016 and December 31, 2015, we placed cash collateral totaling $2 million and $21 million, respectively, with counterparties under collateral arrangements associated with repurchase agreements. Refer to Note 12 for details on the repurchase agreements. The receivables for cash collateral placed are included in our Condensed Consolidated Balance Sheet in other assets.

We received cash collateral from counterparties totaling $125 million at March 31, 2016 to support these derivative positions. We received cash collateral from counterparties totaling $82 million at December 31, 2015. This amount also excludes cash and securities pledged as collateral under repurchase agreements. At March 31, 2016, we received cash collateral totaling $1 million from counterparties under collateral arrangements associated with repurchase agreements. Refer to Note 12 for details on the repurchase agreements. The payables for cash collateral received are included on our Condensed Consolidated Balance Sheet in accrued expenses and other liabilities. In certain circumstances, we receive or post securities as collateral with counterparties. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met. At March 31, 2016, and December 31, 2015, we received noncash collateral of $3 million and $7 million, respectively. Included in these amounts is noncash collateral where we have been granted the right to sell or pledge the underlying assets. We have not sold or pledged any of the noncash collateral received under these agreements.

Balance Sheet Presentation

The following table summarizes the fair value amounts of derivative instruments reported on our Condensed Consolidated Balance Sheet. The fair value amounts are presented on a gross basis, are segregated by derivatives that are designated and qualifying as hedging instruments or those that are not, and are further segregated by type of contract within those two categories. Notional amounts are reference amounts from which contractual obligations are derived and are not recorded on the balance sheet. In our view, derivative notional is not an accurate measure of our derivative exposure when viewed in isolation from other factors, such as market rate fluctuations and counterparty credit risk.

	March 31, 2016						December 31, 2015
	Derivative contracts in a				Notional amount		Derivative contracts in a				Notional amount
($ in millions)	receivable position (a)		payable position (b)				receivable position (a)		payable position (b)
Derivatives designated as accounting hedges
Interest rate contracts
Swaps (c) (d) (e)	$	154	$	18	$	10,698	$	126	$	9	$	14,151
Foreign exchange contracts
Forwards	—		6		222		—		1		189
Total derivatives qualifying for hedge accounting	154		24		10,920		126		10		14,340
Derivatives not designated as accounting hedges
Interest rate contracts
Swaps	33		55		4,979		30		51		6,101
Futures and forwards	3		3		1,875		2		2		1,905
Written options	—		33		17,539		—		72		18,220
Purchased options	33		—		17,539		73		—		18,240
Total interest rate risk	69		91		41,932		105		125		44,466
Foreign exchange contracts
Futures and forwards	1		3		159		—		—		278
Total foreign exchange risk	1		3		159		—		—		278
Equity contracts
Forwards	—		6		25		—		9		32
Written options	—		—		—		—		1		—
Purchased options	—		—		—		2		—		—
Total equity risk	—		6		25		2		10		32
Total Derivatives not designated as accounting hedges	70		100		42,116		107		135		44,776
Total derivatives	$	224	$	124	$	53,036	$	233	$	145	$	59,116

(a) Derivative contracts in a receivable position are classified as other assets on the Condensed Consolidated Balance Sheet, and includes accrued interest of $15 million and $46 million at March 31, 2016, and December 31, 2015, respectively.

(b) Derivative contracts in a liability position are classified as accrued expenses and other liabilities on the Condensed Consolidated Balance Sheet, and includes accrued interest of $5 million and $12 million at March 31, 2016, and December 31, 2015, respectively.

(c) Includes fair value hedges consisting of receive-fixed swaps on fixed-rate unsecured debt obligations with $142 million and $112 million in a receivable position, $0 million and $3 million in a payable position, and a $3.9 billion and $6.8 billion notional amount at March 31, 2016, and December 31, 2015, respectively. Of the hedge notional amount at March 31, 2016, $2.1 billion is associated with debt maturing in five or more years.

(d) Includes fair value hedges consisting of receive-fixed swaps on fixed-rate secured debt obligations (FHLB Advances) with $11 million and $1 million in a receivable position, $0 million and $2 million in a payable position, and a $700 million and $500 million notional amount at March 31, 2016, and December 31, 2015, respectively.

(e) Other fair value hedges include pay-fixed swaps on portfolios of held-for-investment automotive loan assets with $1 million and $13 million in a receivable position, $18 million and $3 million in a payable position, and a $6.0 billion and $6.8 billion notional amount at March 31, 2016, and December 31, 2015, respectively.

Statement of Comprehensive Income Presentation

The following table summarizes the location and amounts of gains and losses on derivative instruments reported in our Condensed Consolidated Statement of Comprehensive Income.

	Three months ended March 31,
($ in millions)	2016			2015
Derivatives qualifying for hedge accounting
(Loss) gain recognized in earnings on derivatives
Interest rate contracts
Interest and fees on finance receivables and loans (a)	$	(28	)	$	(23	)
Interest on long-term debt (b) (c)	191			86
Gain (loss) recognized in earnings on hedged items
Interest rate contracts
Interest and fees on finance receivables and loans (d)	28			33
Interest on long-term debt (e)	(196		)	(87		)
Total derivatives qualifying for hedge accounting	(5		)	9
Derivatives not designated as accounting hedges
(Loss) gain recognized in earnings on derivatives
Interest rate contracts
Loss on mortgage and automotive loans, net	—			(2		)
Other income, net of losses	2			(12		)
Total interest rate contracts	2			(14		)
Foreign exchange contracts (f)
Interest on long-term debt	(1		)	(143		)
Other income, net of losses	(4		)	11
Total foreign exchange contracts	(5		)	(132		)
Equity contracts
Compensation and benefits expense	(1		)	(6		)
Total equity contracts	(1		)	(6		)
Loss recognized in earnings on derivatives	$	(9	)	$	(143	)

(a) Amounts exclude losses related to interest for qualifying accounting hedges of retail automotive loans held-for-investment, which are primarily offset by the fixed coupon payments of the loans. The losses were $7 million and $17 million for the three months endedMarch 31, 2016, and 2015, respectively.

(b) Amounts exclude gains related to interest for qualifying accounting hedges of unsecured debt, which are primarily offset by the fixed coupon payment on the long-term debt. The gains were $16 million and $23 million for the three months endedMarch 31, 2016, and 2015, respectively.

(c) Amounts exclude gains related to interest for qualifying accounting hedges of secured debt (FHLB Advances), which are primarily offset by the fixed coupon payment on the long-term debt. The gains were $1 million for the three months endedMarch 31, 2016.

(d) Amounts exclude losses related to amortization of deferred loan basis adjustments on the de-designated hedged item of $5 million for the three months endedMarch 31, 2016.

(e) Amounts exclude gains related to amortization of deferred debt basis adjustments on the de-designated hedged item of $18 million and $28 million for the three months endedMarch 31, 2016, and 2015, respectively.

(f) Amounts exclude gains related to the revaluation of the related foreign-denominated debt or receivable of $4 million and $134 million for the three months endedMarch 31, 2016, and 2015, respectively.

The following table summarizes derivative instruments used in cash flow and net investment hedge accounting relationships.

	Three months ended March 31,
($ in millions)	2016			2015
Foreign exchange contracts
Loss reclassified from accumulated other comprehensive loss to income from discontinued operations, net	$	—		$	(4	)
Total loss from discontinued operations, net	$	—		$	(4	)
(Loss) gain recognized in other comprehensive income (a)	$	(6	)	$	22

(a) The amounts represent the effective portion of net investment hedges. There are offsetting amounts recognized in accumulated other comprehensive (loss) income related to the revaluation of the related net investment in foreign operations, including the tax impacts of the hedge and related net investment, as disclosed separately in Note 16. There were gains of $11 million and losses of $43 million for the three months endedMarch 31, 2016, and 2015, respectively.

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Income Taxes

3 Months Ended

Mar. 31, 2016

Income Tax Disclosure [Abstract]

Income Tax Disclosure [Text Block]

Income Taxes

We recognized total income tax expense from continuing operations of $150 million for the three months endedMarch 31, 2016, compared to income tax expense of $103 million for the same period in 2015. The increase in income tax expense for the three months ended March 31, 2016, compared to the same period in 2015, was primarily driven by tax attributable to pre-tax earnings and a nonrecurring benefit from the release of our valuation allowance on capital loss carryforwards utilized against 2015 capital gains.

As of each reporting date, we consider existing evidence, both positive and negative, that could impact our view with regard to future realization of deferred tax assets. We continue to believe it is more likely than not that the benefit for certain foreign tax credits and state net operating loss carryforwards will not be realized. In recognition of this risk, we continue to provide a partial valuation allowance on the deferred tax assets relating to these carryforwards.

It is reasonably possible the unrecognized tax benefits disclosed in our Annual Report on Form 10-K for the year ended December 31, 2015, will decrease by up to $180 million over the next 12 months if certain tax matters ultimately settle with the applicable taxing jurisdiction as anticipated.

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Fair Value

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Fair Value Disclosures [Text Block]

Fair Value

Fair Value Measurements

For purposes of this disclosure, fair value is defined as the exchange price that would be received to sell an asset or paid to transfer a liability (exit price) in the principal or most advantageous market in an orderly transaction between market participants at the measurement date under current market conditions. Fair value is based on the assumptions market participants would use when pricing an asset or liability. Additionally, entities are required to consider all aspects of nonperformance risk, including the entity’s own credit standing, when measuring the fair value of a liability.

GAAP specifies a three-level hierarchy that is used when measuring and disclosing fair value. The fair value hierarchy gives the highest priority to quoted prices available in active markets (i.e., observable inputs) and the lowest priority to data lacking transparency (i.e., unobservable inputs). An instrument’s categorization within the fair value hierarchy is based on the lowest level of significant input to its valuation. The following is a description of the three hierarchy levels.

Level 1 Inputs are quoted prices in active markets for identical assets or liabilities at the measurement date. Additionally, the entity must have the ability to access the active market, and the quoted prices cannot be adjusted by the entity.

Level 2 Inputs are other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices in active markets for similar assets or liabilities; quoted prices in inactive markets for identical or similar assets or liabilities; or inputs that are observable or can be corroborated by observable market data by correlation or other means for substantially the full term of the assets or liabilities.

Level 3 Unobservable inputs are supported by little or no market activity. The unobservable inputs represent management's best assumptions of how market participants would price the assets or liabilities. Generally, Level 3 assets and liabilities are valued using pricing models, discounted cash flow methodologies, or similar techniques that require significant judgment or estimation.

Transfers Transfers into or out of any hierarchy level are recognized at the end of the reporting period in which the transfer occurred. There were no transfers between any levels for the three months endedMarch 31, 2016.

Following are descriptions of the valuation methodologies used to measure material assets and liabilities at fair value and details of the valuation models, key inputs to those models, and significant assumptions utilized.

• Available-for-sale securities — All classes of available-for-sale securities are carried at fair value based on observable market prices, when available. If observable market prices are not available, our valuations are based on internally developed discounted cash flow models (an income approach) that use a market-based discount rate and consider recent market transactions, experience with similar securities, current business conditions, and analysis of the underlying collateral, as available. To estimate cash flows, we are required to utilize various significant assumptions including market observable inputs (e.g., forward interest rates) and internally developed inputs (including prepayment speeds, delinquency levels, and credit losses).

• Interests retained in financial asset sales — Includes certain noncertificated interests retained from the sale of automotive finance receivables. Due to inactivity in the market, valuations are based on internally developed discounted cash flow models (an income approach) that use a market-based discount rate; therefore, we classified these assets as Level 3. The valuation considers recent market transactions, experience with similar assets, current business conditions, and analysis of the underlying collateral, as available. To estimate cash flows, we utilize various significant assumptions, including market observable inputs (e.g., forward interest rates) and internally developed inputs (e.g., prepayment speeds, delinquency levels, and credit losses).

• Derivative instruments — We enter into a variety of derivative financial instruments as part of our risk management strategies. Certain of these derivatives are exchange traded, such as Eurodollar futures, options of Eurodollar futures, and equity options. To determine the fair value of these instruments, we utilize the quoted market prices for the particular derivative contracts; therefore, we classified these contracts as Level 1.

We also execute over-the-counter (OTC) and centrally-cleared derivative contracts, such as interest rate swaps, a cross-currency swap, swaptions, foreign-currency denominated forward contracts, prepaid equity forward contracts, caps, floors, and agency to-be-announced securities. For OTC contracts, we utilize third-party-developed valuation models that are widely accepted in the market to value these OTC derivative contracts. The specific terms of the contract and market observable inputs (such as interest rate forward curves, interpolated volatility assumptions, or equity pricing) are used in the model. We classified these OTC derivative contracts as Level 2 because all significant inputs into these models were market observable. For centrally-cleared contracts, we utilize unadjusted prices obtained from the clearing house as the basis for valuation, and they are also classified as Level 2. We did not have any derivative instruments classified as Level 3 as of March 31, 2016, or December 31, 2015.

We are required to consider all aspects of nonperformance risk, including our own credit standing, when measuring fair value of a liability. We reduce credit risk on the majority of our derivatives by entering into legally enforceable agreements that enable the posting and receiving of collateral associated with the fair value of our derivative positions on an ongoing basis. In the event that we do not enter into legally enforceable agreements that enable the posting and receiving of collateral, we will consider our credit risk and the credit risk of our counterparties in the valuation of derivative instruments through a credit valuation adjustment (CVA), if warranted. The CVA calculation utilizes the credit default swap spreads of the counterparty.

Recurring Fair Value

The following tables display the assets and liabilities measured at fair value on a recurring basis including financial instruments elected for the fair value option. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The tables below display the hedges separately from the hedged items; therefore, they do not directly display the impact of our risk management activities.

	Recurring fair value measurements
March 31, 2016($ in millions)	Level 1			Level 2			Level 3		Total
Assets
Investment securities
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	356		$	—		$	—	$	356
U.S. States and political subdivisions	—			743			—		743
Foreign government	11			180			—		191
Mortgage-backed residential	—			12,313			—		12,313
Mortgage-backed commercial	—			500			—		500
Asset-backed	—			1,781			—		1,781
Corporate debt	—			1,580			—		1,580
Total debt securities	367			17,097			—		17,464
Equity securities (a)	716			—			—		716
Total available-for-sale securities	1,083			17,097			—		18,180
Other assets
Interests retained in financial asset sales	—			—			31		31
Derivative contracts in a receivable position (b)
Interest rate	3			220			—		223
Foreign currency	—			1			—		1
Total derivative contracts in a receivable position	3			221			—		224
Total assets	$	1,086		$	17,318		$	31	$	18,435
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position (b)
Interest rate	$	(3	)	$	(106	)	$	—	$	(109	)
Foreign currency	—			(9		)	—		(9		)
Other	—			(6		)	—		(6		)
Total derivative contracts in a payable position	(3		)	(121		)	—		(124		)
Total liabilities	$	(3	)	$	(121	)	$	—	$	(124	)

(a) Our investment in any one industry did not exceed 15%.

(b) For additional information on derivative instruments and hedging activities, refer to Note 19.

	Recurring fair value measurements
December 31, 2015 ($ in millions)	Level 1			Level 2			Level 3		Total
Assets
Investment securities
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	1,469		$	272		$	—	$	1,741
U.S. States and political subdivisions	—			716			—		716
Foreign government	10			167			—		177
Mortgage-backed residential	—			10,366			—		10,366
Mortgage-backed commercial	—			481			—		481
Asset-backed	—			1,755			—		1,755
Corporate debt	—			1,204			—		1,204
Total debt securities	1,479			14,961			—		16,440
Equity securities (a)	717			—			—		717
Total available-for-sale securities	2,196			14,961			—		17,157
Other assets
Interests retained in financial asset sales	—			—			40		40
Derivative contracts in a receivable position (b)
Interest rate	2			229			—		231
Other	2			—			—		2
Total derivative contracts in a receivable position	4			229			—		233
Total assets	$	2,200		$	15,190		$	40	$	17,430
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position (b)
Interest rate	$	(2	)	$	(133	)	$	—	$	(135	)
Foreign currency	—			(1		)	—		(1		)
Other	(1		)	(8		)	—		(9		)
Total derivative contracts in a payable position	(3		)	(142		)	—		(145		)
Total liabilities	$	(3	)	$	(142	)	$	—	$	(145	)

(a) Our investment in any one industry did not exceed 14%.

(b) For additional information on derivative instruments and hedging activities, refer to Note 19.

The following tables present the reconciliation for all Level 3 assets and liabilities measured at fair value on a recurring basis. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The Level 3 items presented below may be hedged by derivatives and other financial instruments that are classified as Level 1 or Level 2. Thus, the following tables do not fully reflect the impact of our risk management activities.

	Level 3 recurring fair value measurements
			Net realized/unrealized gains														Fair value at March 31, 2016		Net unrealized gains included in earnings still held at March 31, 2016
($ in millions)	Fair value at January 1, 2016		included in earnings			included in OCI		Purchases		Sales		Issuances		Settlements
Assets
Other assets
Interests retained in financial asset sales	$	40	$	2	(a)	$	—	$	—	$	4	$	—	$	(15	)	$	31	$	—
Total assets	$	40	$	2		$	—	$	—	$	4	$	—	$	(15	)	$	31	$	—

(a) Reported as other income, net of losses, in the Condensed Consolidated Statement of Comprehensive Income.

	Level 3 recurring fair value measurements
	Fair value at January 1, 2015		Net realized/unrealized gains					Purchases		Sales		Issuances		Settlements			Fair value at March 31, 2015		Net unrealized gains included in earnings still held at March 31, 2015
($ in millions)			included in earnings			included in OCI
Assets
Mortgage loans held-for-sale, net	$	3	$	—		$	—	$	—	$	—	$	—	$	—		$	3	$	—
Other assets
Interests retained in financial asset sales	47		3		(a)	—		—		—		1		(9		)	42		—
Total assets	$	50	$	3		$	—	$	—	$	—	$	1	$	(9	)	$	45	$	—

(a)    Reported as other income, net of losses, in the Condensed Consolidated Statement of Comprehensive Income.

Nonrecurring Fair Value

We may be required to measure certain assets and liabilities at fair value from time to time. These periodic fair value measures typically result from the application of lower-of-cost or fair value accounting or certain impairment measures. These items would constitute nonrecurring fair value measures.

The following tables display the assets and liabilities measured at fair value on a nonrecurring basis.

	Nonrecurring fair value measurements								Lower-of-cost or fair value or valuation reserve allowance			Total gain included in earnings for the three months ended
March 31, 2016($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale, net	$	—	$	—	$	39	$	39	$	—		n/m	(a)
Commercial finance receivables and loans, net (b)
Automotive	—		—		17		17		(3		)	n/m	(a)
Other	—		—		28		28		(15		)	n/m	(a)
Total commercial finance receivables and loans, net	—		—		45		45		(18		)	n/m	(a)
Other assets
Repossessed and foreclosed assets (c)	—		—		12		12		(3		)	n/m	(a)
Other	—		—		6		6		—			n/m	(a)
Total assets	$	—	$	—	$	102	$	102	$	(21	)	n/m

n/m = not meaningful

(a) We consider the applicable valuation or loan loss allowance to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation or loan loss allowance.

(b) Represents the portion of the portfolio specifically impaired during 2016. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(c) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

	Nonrecurring fair value measurements								Lower-of-cost or fair value or valuation reserve allowance			Total gain included in earnings for the three months ended
March 31, 2015 ($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale
Automotive	$	—	$	—	$	1,500	$	1,500	$	(8	)	n/m	(a)
Mortgage	—		—		28		28		(5		)	n/m	(a)
Other	—		—		17		17		—			n/m	(a)
Total loans held-for-sale	—		—		1,545		1,545		(13		)	n/m	(a)
Commercial finance receivables and loans, net (b)
Automotive	—		—		26		26		(7		)	n/m	(a)
Other	—		—		18		18		(8		)	n/m	(a)
Total commercial finance receivables and loans, net	—		—		44		44		(15		)	n/m	(a)
Other assets
Repossessed and foreclosed assets (c)	—		—		8		8		(2		)	n/m	(a)
Other	—		—		2		2		—			n/m	(a)
Total assets	$	—	$	—	$	1,599	$	1,599	$	(30	)	n/m

n/m = not meaningful

(a) We consider the applicable valuation or loan loss allowance to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation or loan loss allowance.

(b) Represents the portion of the portfolio specifically impaired during 2015. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(c) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

The following table presents quantitative information regarding the significant unobservable inputs used in significant Level 3 assets measured at fair value on a nonrecurring basis.

March 31, 2015 ($ in millions)	Level 3 nonrecurring measurements		Valuation technique	Unobservable input	Weighted average/range
Assets
Automotive loans held-for-sale, net	$	1,500	Discounted cash flow	Prepayment rate	1.30%
				Gross loss	0-4.80%
				Credit spread	0.58%

Fair Value Option for Financial Assets

We elected the fair value option for an insignificant amount of conforming and government-insured mortgage loans held-for-sale. We elected the fair value option to mitigate earnings volatility by better matching the accounting for the assets with the related hedges. Our intent in electing fair value measurement was to mitigate a divergence between accounting losses and economic exposure for certain assets and liabilities.

Fair Value of Financial Instruments

The following table presents the carrying and estimated fair value of financial instruments, except for those recorded at fair value on a recurring basis presented in the previous section of this Note titled Recurring Fair Value. When possible, we use quoted market prices to determine fair value. Where quoted market prices are not available, the fair value is internally derived based on appropriate valuation methodologies with respect to the amount and timing of future cash flows and estimated discount rates. However, considerable judgment is required in interpreting current market data to develop the market assumptions and inputs necessary to estimate fair value. As such, the actual amount received to sell an asset or the amount paid to settle a liability could differ from our estimates. Fair value information presented herein was based on information available at March 31, 2016, and December 31, 2015.

			Estimated fair value
($ in millions)	Carrying value		Level 1		Level 2		Level 3		Total
March 31, 2016
Financial assets
Held-to-maturity securities	$	118	$	—	$	118	$	—	$	118
Loans held-for-sale, net	39		—		—		39		39
Finance receivables and loans, net	109,799		—		—		110,596		110,596
Nonmarketable equity investments	733		—		706		42		748
Financial liabilities
Deposit liabilities	$	70,265	$	—	$	—	$	70,849	$	70,849
Short-term borrowings	5,365		—		—		5,365		5,365
Long-term debt	62,044		—		22,252		41,463		63,715
December 31, 2015
Financial assets
Loans held-for-sale, net	$	105	$	—	$	—	$	105	$	105
Finance receivables and loans, net	110,546		—		—		110,737		110,737
Nonmarketable equity investments	418		—		391		42		433
Financial liabilities
Deposit liabilities	$	66,478	$	—	$	—	$	66,889	$	66,889
Short-term borrowings	8,101		—		—		8,102		8,102
Long-term debt	66,234		—		23,018		45,157		68,175

The following describes the methodologies and assumptions used to determine fair value for the significant classes of financial instruments. In addition to the valuation methods discussed below, we also followed guidelines for determining whether a market was not active and a transaction was not distressed. We assumed the price that would be received in an orderly transaction (including a market-based return) and not in forced liquidation or distressed sale.

• Cash and cash equivalents — Included in cash and cash equivalents are highly liquid investments that are readily convertible to known amounts of cash and which are subject to an insignificant risk of change in value due to interest rate, quoted price, or penalty on withdrawal. Classified as Level 1 under the fair value hierarchy, cash and cash equivalents generally expose us to limited credit risk and are so near maturity that they present insignificant risk of changes in value because of changes in interest rates. Accordingly, the carrying value approximates the fair value of these instruments.

• Held-to-maturity securities — Held-to-maturity securities, which consist of residential mortgage-backed debt securities, are carried at amortized cost. For fair value disclosure purposes, held-to-maturity securities are classified as Level 2, with fair value based on observable market prices, when available.

• Finance receivables and loans, net — With the exception of mortgage loans held-for-investment, the fair value of finance receivables and loans was based on discounted future cash flows using applicable spreads to approximate current rates applicable to each category of finance receivables and loans (an income approach using Level 3 inputs). The carrying value of commercial receivables in certain markets and certain automotive and other receivables for which interest rates reset on a short-term basis with applicable market indices are assumed to approximate fair value either because of the short-term nature or because of the interest rate adjustment feature. The fair value of commercial receivables in other markets was based on discounted future cash flows using applicable spreads to approximate current rates applicable to similar assets in those markets.

The fair value of mortgage loans held-for-investment was based on a discounted cash flow basis utilizing cash flow projections from internally developed models that utilized prepayment, default, and discount rate assumptions. These valuations consider unique attributes of the loans such as geography, delinquency status, product type, and other factors.

• Nonmarketable equity investments — Nonmarketable equity investments primarily include investments in FHLB and FRB stock and other equity investments carried at cost. As a member of the FHLB and FRB, Ally Bank is required to hold FHLB and FRB stock. The stock can be sold only to the FHLB and FRB upon termination of membership, or redeemed at the sole discretion of the FHLB and FRB, respectively. The fair value of FHLB and FRB stock is equal to the stock’s par value since the stock is bought, sold, and/or redeemed at par. FHLB and FRB stock is carried at cost, which generally represents the stock’s par value.

• Deposit liabilities — Deposit liabilities represent certain consumer and brokered bank deposits, mortgage escrow deposits, and dealer deposits. The fair value of deposits at Level 3 were estimated by discounting projected cash flows based on discount factors derived from the forward interest rate swap curve.

• Short-term borrowings and Long-term debt — Level 2 debt was valued using quoted market prices for similar instruments, when available, or other means for substantiation with observable inputs. Debt valued by discounting projected cash flows using internally derived inputs, such as prepayment speeds and discount rates, was classified as Level 3.

• Financial instruments for which carrying value approximates fair value — Certain financial instruments that are not carried at fair value on the consolidated balance sheet are carried at amounts that approximate fair value primarily due to their short term nature and limited credit risk. These instruments include restricted cash, cash collateral, accrued interest receivable, accrued interest payable, trade receivables and payables, and other short term receivables and payables.

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Offsetting Assets and Liabilities

3 Months Ended

Mar. 31, 2016

Offsetting [Abstract]

Assets and Liabilities Subject to Enforceable Master Netting Arrangements [Text Block]

Offsetting Assets and Liabilities

Our derivative contracts and repurchase/reverse repurchase transactions are supported by qualifying master netting and master repurchase agreements. These agreements are legally enforceable bilateral agreements that (1) create a single legal obligation for all individual transactions covered by the agreement to the nondefaulting entity upon an event of default of the counterparty, including bankruptcy, insolvency, or similar proceeding, and (2) provide the nondefaulting entity the right to accelerate, terminate, and close-out on a net basis all transactions under the agreement and to liquidate or set off collateral promptly upon an event of default of the counterparty.

To further mitigate the risk of counterparty default related to derivative instruments, we maintain collateral agreements with certain counterparties. The agreements require both parties to maintain collateral in the event the fair values of the derivative financial instruments meet established thresholds. In the event that either party defaults on the obligation, the secured party may seize the collateral. Generally, our collateral arrangements are bilateral such that we and the counterparty post collateral for the value of our total obligation to each other. Contractual terms provide for standard and customary exchange of collateral based on changes in the market value of the outstanding derivatives. The securing party posts additional collateral when their obligation rises or removes collateral when it falls, such that the net replacement cost of the nondefaulting party is covered in the event of counterparty default.

In certain instances as it relates to our derivative instruments, we have the option to report derivative assets and liabilities as well as assets and liabilities associated with cash collateral received or delivered that is governed by a master netting agreement on a net basis as long as certain qualifying criteria are met. Similarly, for our repurchase/reverse repurchase transactions, we have the option to report recognized assets and liabilities subject to a master netting agreement on a net basis if certain qualifying criteria are met. At March 31, 2016, these instruments are reported as gross assets and gross liabilities on the Condensed Consolidated Balance Sheet.

The composition of offsetting derivative instruments, financial assets, and financial liabilities was as follows.

	Gross Amounts of Recognized Assets/(Liabilities)			Gross Amounts Offset in the Condensed Consolidated Balance Sheet		Net Amounts of Assets/(Liabilities) Presented in the Condensed Consolidated Balance Sheet
									Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet
March 31, 2016 ($ in millions)									Financial Instruments			Collateral  (a) (b) (c)			Net Amount
Assets
Derivative assets in net asset positions	$	219		$	—	$	219		$	(55	)	$	(123	)	$	41
Derivative assets in net liability positions	5			—		5			(5		)	—			—
Total assets (d)	$	224		$	—	$	224		$	(60	)	$	(123	)	$	41
Liabilities
Derivative liabilities in net liability positions	$	(63	)	$	—	$	(63	)	$	5		$	25		$	(33	)
Derivative liabilities in net asset positions	(55		)	—		(55		)	55			—			—
Derivative liabilities with no offsetting arrangements	(6		)	—		(6		)	—			—			(6		)
Total derivative liabilities (d)	(124		)	—		(124		)	60			25			(39		)
Securities sold under agreements to repurchase (e)	(725		)	—		(725		)	—			725			—
Total liabilities	$	(849	)	$	—	$	(849	)	$	60		$	750		$	(39	)

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. $3 million of noncash derivative collateral pledged to us was excluded at March 31, 2016. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $3 million at March 31, 2016. We have not sold or pledged any of the noncash collateral received under these agreements as of March 31, 2016.

(d) For additional information on derivative instruments and hedging activities, refer to Note 19.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

	Gross Amounts of Recognized Assets/(Liabilities)			Gross Amounts Offset in the Condensed Consolidated Balance Sheet		Net Amounts of Assets/(Liabilities) Presented in the Condensed Consolidated Balance Sheet
									Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet
December 31, 2015 ($ in millions)									Financial Instruments			Collateral (a) (b) (c)			Net Amount
Assets
Derivative assets in net asset positions	$	224		$	—	$	224		$	(69	)	$	(67	)	$	88
Derivative assets in net liability positions	9			—		9			(9		)	—			—
Total assets (d)	$	233		$	—	$	233		$	(78	)	$	(67	)	$	88
Liabilities
Derivative liabilities in net liability positions	$	(68	)	$	—	$	(68	)	$	9		$	2		$	(57	)
Derivative liabilities in net asset positions	(69		)	—		(69		)	69			—			—
Derivative liabilities with no offsetting arrangements	(8		)	—		(8		)	—			—			(8		)
Total derivative liabilities (d)	(145		)	—		(145		)	78			2			(65		)
Securities sold under agreements to repurchase (e)	(648		)	—		(648		)	—			648			—
Total liabilities	$	(793	)	$	—	$	(793	)	$	78		$	650		$	(65	)

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. $7 million of noncash derivative collateral pledged to us was excluded at December 31, 2015. We do not record such collateral received on our Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $7 million at December 31, 2015. We have not sold or pledged any of the noncash collateral received under these agreements as of December 31, 2015.

(d) For additional information on derivative instruments and hedging activities, refer to Note 19.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

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Segment And Geographic Information

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

Segment and Geographic Information

Operating segments are defined as components of an enterprise that engage in business activity from which revenues are earned and expenses incurred for which discrete financial information is available that is evaluated regularly by our chief operating decision maker in deciding how to allocate resources and in assessing performance.

Change in Reportable Segments

As a result of a change in how management views and operates our business, during the first quarter of 2016, we made changes in the composition of our operating segments. Financial information related to our Corporate Finance business is now presented as a separate reportable segment. Previously, all such activity was included in Corporate and Other. Additionally, only the activity of our ongoing bulk acquisitions of mortgage loans and other originations and refinancing is now presented in Mortgage Finance operations. The activity related to the management of our legacy mortgage portfolio is now included in Corporate and Other. Our other operating segments, Automotive Finance operations and Insurance operations, remained unchanged. Amounts for 2015 have been adjusted to conform to the current management view.

We report our results of operations on a line-of-business basis through four operating segments: Automotive Finance operations, Insurance operations, Mortgage Finance operations, and Corporate Finance operations, with the remaining activity reported in Corporate and Other. The operating segments are determined based on the products and services offered, and reflect the manner in which financial information is currently evaluated by management. The following is a description of each of our reportable operating segments.

Automotive Finance operations— Provides automotive financing services to consumers and automotive dealers. Our automotive financing services include providing retail installment sales financing, loans, and leases; offering term loans to dealers, financing dealer floorplans and other lines of credit to dealers; fleet financing, and vehicle remarketing services.

Insurance operations — Offer both consumer finance protection and insurance products sold primarily through the automotive dealer channel, and commercial insurance products sold to dealers. As part of our focus on offering dealers a broad range of consumer financial and insurance products, we provide vehicle service contracts, maintenance coverage, and guaranteed asset protection products. We also underwrite selected commercial insurance coverages, which primarily insure dealers' vehicle inventories.

Mortgage Finance operations — Includes the management of a held-for-investment consumer mortgage finance loan portfolio and includes the execution of bulk purchases of high-quality jumbo and low-to-moderate income mortgage loans originated by third parties.

Corporate Finance operations — Provides senior secured leveraged cash flow and asset-based loans primarily to U.S.-based middle market companies. The loans are used to support leveraged buyouts, mergers and acquisitions, debt refinancing, restructurings, and working capital.

Corporate and Other primarily consists of activity related to centralized corporate treasury activities such as management of the cash and corporate investment securities and loan portfolios, short- and long-term debt, retail and brokered deposit liabilities, derivative instruments, the amortization of the discount associated with new debt issuances and bond exchanges, and the residual impacts of our corporate funds-transfer pricing (FTP) and treasury asset liability management (ALM) activities. Corporate and Other also includes certain equity investments, the management of our legacy mortgage portfolio, and reclassifications and eliminations between the reportable operating segments.

We utilize an FTP methodology for the majority of our business operations. The FTP methodology assigns charge rates and credit rates to classes of assets and liabilities based on expected duration and the benchmark rate curve plus an assumed credit spread. Matching duration allocates interest income and interest expense to these reportable segments so their respective results are insulated from interest rate risk. This methodology is consistent with our ALM practices, which includes managing interest rate risk centrally at a corporate level. The net residual impact of the FTP methodology is included within the results of Corporate and Other.

The information presented in our reportable operating segments and geographic areas tables that follow are based in part on internal allocations, which involve management judgment.

Financial information for our reportable operating segments is summarized as follows.

Three months ended March 31, ($ in millions)	Automotive Finance operations		Insurance operations		Mortgage Finance operations		Corporate Finance operations			Corporate and Other			Consolidated (a)
2016
Net financing revenue (loss)	$	896	$	14	$	20	$	28		$	(7	)	$	951
Other revenue	77		254		—		6			39			376
Total net revenue	973		268		20		34			32			1,327
Provision for loan losses	209		—		3		6			2			220
Total noninterest expense	427		218		15		17			33			710
Income (loss) from continuing operations before income tax expense	$	337	$	50	$	2	$	11		$	(3	)	$	397
Total assets	$	112,289	$	7,194	$	7,493	$	2,839		$	26,690		$	156,505
2015
Net financing revenue (loss)	$	809	$	12	$	11	$	20		$	(2	)	$	850
Other revenue (loss)	52		268		—		6			(83		)	243
Total net revenue (loss)	861		280		11		26			(85		)	1,093
Provision for loan losses	127		—		2		(5		)	(8		)	116
Total noninterest expense	428		202		8		14			43			695
Income (loss) from continuing operations before income tax expense	$	306	$	78	$	1	$	17		$	(120	)	$	282
Total assets	$	111,149	$	7,242	$	3,941	$	1,976		$	29,016		$	153,324

(a) Net financing revenue after the provision for loan losses totaled $731 million and $734 million for the three months endedMarch 31, 2016, and 2015, respectively.

Information concerning principal geographic areas was as follows.

Three months ended March 31, ($ in millions)	Revenue (a)		Income from continuing operations before income tax expense		Net income (loss) (b)
2016
Canada	$	21	$	10	$	8
Europe	—		—		(1		)
Total foreign (c)	21		10		7
Total domestic (d)	1,306		387		243
Total	$	1,327	$	397	$	250
2015
Canada	$	24	$	11	$	8
Europe	1		4		11
Asia-Pacific	—		—		452
Total foreign (c)	25		15		471
Total domestic (d)	1,068		267		105
Total	$	1,093	$	282	$	576

(a) Revenue consists of net financing revenue and total other revenue as presented in our Condensed Consolidated Financial Statements.

(b) Gain (loss) realized on sale of discontinued operations are allocated to the geographic area in which the business operated.

(c) Our foreign operations as of March 31, 2016, and March 31, 2015, consist of our ongoing Insurance operations in Canada and our remaining international entities in wind-down.

(d) Amounts include eliminations between our domestic and foreign operations.

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Parent And Guarantor Consolidating Financial Statements

3 Months Ended

Mar. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Condensed Guarantor Financial Statements [Text Block]

Parent and Guarantor Condensed Consolidating Financial Statements

Certain of our senior notes issued by the parent are guaranteed by 100% directly owned subsidiaries of Ally (the Guarantors). As of March 31, 2016, the Guarantors include Ally US LLC and IB Finance Holding Company, LLC (IB Finance), each of which fully and unconditionally guarantee the senior notes on a joint and several basis.

The following financial statements present condensed consolidating financial data for (i) Ally Financial Inc. (on a parent company-only basis); (ii) the Guarantors; (iii) the nonguarantor subsidiaries (all other subsidiaries); and (iv) an elimination column for adjustments to arrive at (v) the information for the parent company, the Guarantors, and nonguarantors on a consolidated basis.

Investments in subsidiaries are accounted for by the parent company and the Guarantors using the equity-method for this presentation. Results of operations of subsidiaries are therefore classified in the parent company’s and Guarantors’ investment in subsidiaries accounts. The elimination entries set forth in the following condensed consolidating financial statements eliminate distributed and undistributed income of subsidiaries, investments in subsidiaries, and intercompany balances and transactions between the parent, the Guarantors, and nonguarantors.

Condensed Consolidating Statements of Comprehensive Income

Three months ended March 31, 2016 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	(38	)	$	—	$	1,273		$	—		$	1,235
Interest and fees on finance receivables and loans — intercompany	3			—		2			(5		)	—
Interest and dividends on investment securities	—			—		102			—			102
Interest on cash and cash equivalents	1			—		2			—			3
Interest-bearing cash — intercompany	—			—		2			(2		)	—
Operating leases	5			—		764			—			769
Total financing revenue and other interest income	(29		)	—		2,145			(7		)	2,109
Interest expense
Interest on deposits	2			—		191			—			193
Interest on short-term borrowings	10			—		3			—			13
Interest on long-term debt	289			—		153			—			442
Interest on intercompany debt	4			—		3			(7		)	—
Total interest expense	305			—		350			(7		)	648
Depreciation expense on operating lease assets	4			—		506			—			510
Net financing (loss) revenue	(338		)	—		1,289			—			951
Cash dividends from subsidiaries
Nonbank subsidiaries	482			—		—			(482		)	—
Other revenue
Servicing fees	296			—		211			(494		)	13
Insurance premiums and service revenue earned	—			—		230			—			230
(Loss) gain on mortgage and automotive loans, net	(3		)	—		4			—			1
Loss on extinguishment of debt	(2		)	—		(2		)	—			(4		)
Other gain on investments, net	—			—		54			—			54
Other income, net of losses	78			—		6			(2		)	82
Total other revenue	369			—		503			(496		)	376
Total net revenue	513			—		1,792			(978		)	1,327
Provision for loan losses	60			—		160			—			220
Noninterest expense
Compensation and benefits expense	147			—		105			—			252
Insurance losses and loss adjustment expenses	—			—		73			—			73
Other operating expenses	340			—		542			(497		)	385
Total noninterest expense	487			—		720			(497		)	710
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	(34		)	—		912			(481		)	397
Income tax (benefit) expense from continuing operations	(43		)	—		193			—			150
Net (loss) income from continuing operations	9			—		719			(481		)	247
Income (loss) from discontinued operations, net of tax	6			—		(3		)	—			3
Undistributed income of subsidiaries
Bank subsidiary	270			270		—			(540		)	—
Nonbank subsidiaries	(35		)	—		—			35			—
Net income	250			270		716			(986		)	250
Other comprehensive income, net of tax	146			84		151			(235		)	146
Comprehensive income	$	396		$	354	$	867		$	(1,221	)	$	396

Three months ended March 31, 2015 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	4		$	—	$	1,070		$	—		$	1,074
Interest and fees on finance receivables and loans — intercompany	10			—		16			(26		)	—
Interest on loans held-for-sale	—			—		24			—			24
Interest and dividends on investment securities	—			—		88			—			88
Interest on cash and cash equivalents	—			—		2			—			2
Interest-bearing cash - intercompany	—			—		2			(2		)	—
Operating leases	—			—		896			—			896
Total financing revenue and other interest income	14			—		2,098			(28		)	2,084
Interest expense
Interest on deposits	3			—		169			—			172
Interest on short-term borrowings	10			—		1			—			11
Interest on long-term debt	292			—		137			—			429
Interest on intercompany debt	19			—		9			(28		)	—
Total interest expense	324			—		316			(28		)	612
Depreciation expense on operating lease assets	—			—		622			—			622
Net financing (loss) revenue	(310		)	—		1,160			—			850
Cash dividends from subsidiaries
Bank subsidiaries	125			125		—			(250		)	—
Nonbank subsidiaries	238			—		—			(238		)	—
Other revenue
Servicing fees	279			—		204			(473		)	10
Insurance premiums and service revenue earned	—			—		233			—			233
(Loss) gain on mortgage and automotive loans, net	(8		)	—		54			—			46
Loss on extinguishment of debt	(197		)	—		(1		)	—			(198		)
Other gain on investments, net	—			—		55			—			55
Other income, net of losses	72			—		152			(127		)	97
Total other revenue	146			—		697			(600		)	243
Total net revenue	199			125		1,857			(1,088		)	1,093
Provision for loan losses	100			—		16			—			116
Noninterest expense
Compensation and benefits expense	154			—		225			(124		)	255
Insurance losses and loss adjustment expenses	—			—		56			—			56
Other operating expenses	310			—		550			(476		)	384
Total noninterest expense	464			—		831			(600		)	695
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	(365		)	125		1,010			(488		)	282
Income tax (benefit) expense from continuing operations	(115		)	—		218			—			103
Net (loss) income from continuing operations	(250		)	125		792			(488		)	179
Income from discontinued operations, net of tax	387			—		10			—			397
Undistributed income of subsidiaries
Bank subsidiary	180			180		—			(360		)	—
Nonbank subsidiaries	259			—		—			(259		)	—
Net income	576			305		802			(1,107		)	576
Other comprehensive loss, net of tax	31			42		47			(89		)	31
Comprehensive income	$	607		$	347	$	849		$	(1,196	)	$	607

Condensed Consolidating Balance Sheet

March 31, 2016 ($ in millions)	Parent (a)			Guarantors		Nonguarantors (a)			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	1,045		$	—	$	861		$	—		$	1,906
Interest-bearing	700			—		2,395			—			3,095
Interest-bearing — intercompany	—			—		737			(737		)	—
Total cash and cash equivalents	1,745			—		3,993			(737		)	5,001
Available-for-sale securities	—			—		18,180			—			18,180
Held-to-maturity securities	—			—		118			—			118
Loans held-for-sale, net	—			—		39			—			39
Finance receivables and loans, net
Finance receivables and loans, net	3,282			—		107,594			—			110,876
Intercompany loans to
Bank subsidiary	775			—		—			(775		)	—
Nonbank subsidiaries	2,322			—		604			(2,926		)	—
Allowance for loan losses	(82		)	—		(995		)	—			(1,077		)
Total finance receivables and loans, net	6,297			—		107,203			(3,701		)	109,799
Investment in operating leases, net	70			—		14,888			—			14,958
Intercompany receivables from
Bank subsidiary	316			—		—			(316		)	—
Nonbank subsidiaries	141			—		41			(182		)	—
Investment in subsidiaries
Bank subsidiary	16,856			16,856		—			(33,712		)	—
Nonbank subsidiaries	10,500			11		—			(10,511		)	—
Premiums receivable and other insurance assets	—			—		1,852			(24		)	1,828
Other assets	4,697			—		4,951			(3,066		)	6,582
Total assets	$	40,622		$	16,867	$	151,265		$	(52,249	)	$	156,505
Liabilities
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	92		$	—		$	92
Interest-bearing	218			—		69,955			—			70,173
Total deposit liabilities	218			—		70,047			—			70,265
Short-term borrowings	3,640			—		1,725			—			5,365
Long-term debt	20,676			—		41,368			—			62,044
Intercompany debt to
Nonbank subsidiaries	1,341			—		3,097			(4,438		)	—
Intercompany payables to
Bank subsidiary	262			—		—			(262		)	—
Nonbank subsidiaries	137			—		122			(259		)	—
Interest payable	237			—		137			—			374
Unearned insurance premiums and service revenue	—			—		2,449			—			2,449
Accrued expenses and other liabilities	288			82		4,883			(3,068		)	2,185
Total liabilities	26,799			82		123,828			(8,027		)	142,682
Total equity	13,823			16,785		27,437			(44,222		)	13,823
Total liabilities and equity	$	40,622		$	16,867	$	151,265		$	(52,249	)	$	156,505

(a) Amounts presented are based upon the legal transfer of the underlying assets to VIEs in order to reflect legal ownership.

December 31, 2015 ($ in millions)	Parent (a)			Guarantors		Nonguarantors (a)			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	1,234		$	—	$	914		$	—		$	2,148
Interest-bearing	401			—		3,831			—			4,232
Interest-bearing — intercompany	—			—		850			(850		)	—
Total cash and cash equivalents	1,635			—		5,595			(850		)	6,380
Available-for-sale securities	—			—		17,157			—			17,157
Loans held-for-sale, net	—			—		105			—			105
Finance receivables and loans, net
Finance receivables and loans, net	2,636			—		108,964			—			111,600
Intercompany loans to
Bank subsidiary	600			—		—			(600		)	—
Nonbank subsidiaries	3,277			—		559			(3,836		)	—
Allowance for loan losses	(72		)	—		(982		)	—			(1,054		)
Total finance receivables and loans, net	6,441			—		108,541			(4,436		)	110,546
Investment in operating leases, net	81			—		16,190			—			16,271
Intercompany receivables from
Bank subsidiary	186			—		—			(186		)	—
Nonbank subsidiaries	259			—		282			(541		)	—
Investment in subsidiaries
Bank subsidiary	16,496			16,496		—			(32,992		)	—
Nonbank subsidiaries	10,902			11		—			(10,913		)	—
Premiums receivable and other insurance assets	—			—		1,827			(26		)	1,801
Other assets	4,785			—		4,488			(2,952		)	6,321
Total assets	$	40,785		$	16,507	$	154,185		$	(52,896	)	$	158,581
Liabilities
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	89		$	—		$	89
Interest-bearing	229			—		66,160			—			66,389
Total deposit liabilities	229			—		66,249			—			66,478
Short-term borrowings	3,453			—		4,648			—			8,101
Long-term debt	21,048			—		45,186			—			66,234
Intercompany debt to
Nonbank subsidiaries	1,409			—		3,877			(5,286		)	—
Intercompany payables to
Bank subsidiary	142			—		—			(142		)	—
Nonbank subsidiaries	420			—		191			(611		)	—
Interest payable	258			—		92			—			350
Unearned insurance premiums and service revenue	—			—		2,434			—			2,434
Accrued expenses and other liabilities	387			82		4,028			(2,952		)	1,545
Total liabilities	27,346			82		126,705			(8,991		)	145,142
Total equity	13,439			16,425		27,480			(43,905		)	13,439
Total liabilities and equity	$	40,785		$	16,507	$	154,185		$	(52,896	)	$	158,581

(a) Amounts presented are based upon the legal transfer of the underlying assets to VIEs in order to reflect legal ownership.

Condensed Consolidating Statement of Cash Flows

Three months ended March 31, 2016 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash (used in) provided by operating activities	$	(38	)	$	—	$	1,708		$	(482	)	$	1,188
Investing activities
Purchases of available-for-sale securities	—			—		(4,870		)	—			(4,870		)
Proceeds from sales of available-for-sale securities	—			—		4,175			—			4,175
Proceeds from maturities and repayments of available-for-sale securities	—			—		409			—			409
Purchases of held-to-maturity securities	—			—		(118		)	—			(118		)
Net increase in finance receivables and loans	(292		)	—		(1,794		)	—			(2,086		)
Proceeds from sales of finance receivables and loans originated as held-for-investment	—			—		2,594			—			2,594
Net change in loans — intercompany	683			—		(44		)	(639		)	—
Purchases of operating lease assets	—			—		(701		)	—			(701		)
Disposals of operating lease assets	2			—		1,533			—			1,535
Capital contributions to subsidiaries	(128		)	—		—			128			—
Returns of contributed capital	223			—		—			(223		)	—
Net change in restricted cash	—			—		48			—			48
Net change in nonmarketable equity investments	—			—		(315		)	—			(315		)
Other, net	(32		)	—		12			—			(20		)
Net cash provided by investing activities	456			—		929			(734		)	651
Financing activities
Net change in short-term borrowings — third party	187			—		(2,926		)	—			(2,739		)
Net (decrease) increase in deposits	(10		)	—		3,790			—			3,780
Proceeds from issuance of long-term debt — third party	178			—		4,066			—			4,244
Repayments of long-term debt — third party	(580		)	—		(7,910		)	—			(8,490		)
Net change in debt — intercompany	(68		)	—		(684		)	752			—
Dividends paid — third party	(15		)	—		—			—			(15		)
Dividends paid and returns of contributed capital — intercompany	—			—		(705		)	705			—
Capital contributions from parent	—			—		128			(128		)	—
Net cash used in financing activities	(308		)	—		(4,241		)	1,329			(3,220		)
Effect of exchange-rate changes on cash and cash equivalents	—			—		2			—			2
Net increase (decrease) in cash and cash equivalents	110			—		(1,602		)	113			(1,379		)
Cash and cash equivalents at beginning of year	1,635			—		5,595			(850		)	6,380
Cash and cash equivalents at March 31,	$	1,745		$	—	$	3,993		$	(737	)	$	5,001

Three months ended March 31, 2015 ($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash (used in) provided by operating activities	$	(189	)	$	125		$	799		$	(488	)	$	247
Investing activities
Net change in federal funds sold and securities purchased under resale agreements	—			—			(50		)	—			(50		)
Purchases of investment securities	—			—			(4,023		)	—			(4,023		)
Proceeds from sales of available-for-sale securities	—			—			1,523			—			1,523
Proceeds from maturities and repayments of investment securities	—			—			914			—			914
Net (increase) decrease in finance receivables and loans	(242		)	—			197			—			(45		)
Proceeds from sales of finance receivables and loans	—			—			1,577			—			1,577
Net change in loans — intercompany	374			—			205			(579		)	—
Purchases of operating lease assets	—			—			(1,447		)	—			(1,447		)
Disposals of operating lease assets	—			—			1,337			—			1,337
Capital contributions to subsidiaries	(24		)	—			—			24			—
Returns of contributed capital	222			—			—			(222		)	—
Proceeds from sale of business unit, net	1,049			—			—			—			1,049
Net change in restricted cash	—			—			(121		)	—			(121		)
Net change in nonmarketable equity investments	—			—			58			—			58
Other, net	(1		)	—			34			—			33
Net cash provided by investing activities	1,378			—			204			(777		)	805
Financing activities
Net change in short-term borrowings — third party	142			—			(760		)	—			(618		)
Net (decrease) increase in deposits	(9		)	—			2,656			—			2,647
Proceeds from issuance of long-term debt — third party	2,467			—			6,358			—			8,825
Repayments of long-term debt — third party	(3,161		)	—			(6,617		)	—			(9,778		)
Net change in debt — intercompany	(202		)	—			(374		)	576			—
Dividends paid — third party	(67		)	—			—			—			(67		)
Dividends paid and returns of contributed capital — intercompany	—			(125		)	(586		)	711			—
Capital contributions from parent	—			—			24			(24		)	—
Net cash (used in) provided by financing activities	(830		)	(125		)	701			1,263			1,009
Effect of exchange-rate changes on cash and cash equivalents	—			—			(1		)	—			(1		)
Net increase in cash and cash equivalents	359			—			1,703			(2		)	2,060
Cash and cash equivalents at beginning of year	2,286			—			3,905			(615		)	5,576
Cash and cash equivalents at March 31,	$	2,645		$	—		$	5,608		$	(617	)	$	7,636

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Contingencies And Other Risks

3 Months Ended

Mar. 31, 2016

Loss Contingency [Abstract]

Contingencies Disclosure and Other Risks [Text Block]

Contingencies and Other Risks

In the normal course of business, we enter into transactions that expose us to varying degrees of risk. For additional information on contingencies and other risks arising from such transactions, refer to Note 30 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K.

Legal Proceedings

We are or may be subject to potential liability under various governmental proceedings, claims, and legal actions that are pending or otherwise asserted against us. We are named as defendants in a number of legal actions, and we are involved in governmental proceedings arising in connection with our respective businesses. Some of the pending actions purport to be class actions, and certain legal actions include claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages. We establish reserves for legal claims when payments associated with the claims become probable and the payments can be reasonably estimated. Given the inherent difficulty of predicting the outcome of litigation and regulatory matters, it is generally very difficult to predict what the eventual outcome will be, and when the matter will be resolved. The actual costs of resolving legal claims may be higher or lower than any amounts reserved for the claims.

On the basis of information currently available, advice of counsel, available insurance coverage, and established reserves, it is the opinion of management that the eventual outcome of the current actions against us will not have a material adverse effect on our consolidated financial condition, results of operations, or cash flows. However, it is possible that the ultimate resolution of legal matters, if unfavorable, may be material to our consolidated financial condition, results of operations, or cash flows in a particular period.

Regulatory Matters

Ally and its subsidiaries, including Ally Bank, are or may become involved from time to time in formal and informal reviews, investigations, examinations, proceedings, and information-gathering requests by federal and state government and self-regulatory agencies, including, among others, the U.S. Department of Justice (DOJ), the SEC, Consumer Financial Protection Bureau (CFPB), the FRB, the FDIC, the Utah Department of Financial Institutions, and the Federal Trade Commission regarding their respective operations.

Mortgage Matters

We have received subpoenas from the DOJ that include a broad request for documentation and other information relating to residential mortgage-backed securities issued by our former mortgage subsidiary, Residential Capital, LLC and its subsidiaries (ResCap RMBS). In connection with these requests, the DOJ is investigating potential fraud and other potential legal claims related to ResCap RMBS, including its investigation of potential claims under the Financial Institutions Reform, Recovery, and Enforcement Act of 1989. The DOJ is also investigating potential claims under the False Claims Act (FCA) related to representations made by us in connection with investments in Ally made by the United States Department of the Treasury pursuant to the Troubled Asset Relief Program in 2008 and 2009 regarding certain claims against Residential Capital, LLC or its subsidiaries at that time. We continue to engage in discussions with the DOJ with respect to legal and factual aspects of their investigations and potential claims. As previously disclosed, at the request of the DOJ, we entered into an agreement to voluntarily extend the statutes of limitations related to potential FCA claims. This agreement expired at the end of January 2016.

We have separately received subpoenas and document requests from the SEC that include information covering a wide range of mortgage-related matters.

These matters could result in material adverse consequences including, without limitation, adverse judgments, significant settlements, fines, penalties, injunctions, or other actions.

Automotive Subprime Matters

In October 2014, we received a document request from the SEC in connection with its investigation related to subprime automotive finance and related securitization activities. Separately, in December 2014, we received a subpoena from the DOJ requesting similar information. In May 2015, we received an information request from the New York Department of Financial Services requesting similar information. We have cooperated with each of these agencies with respect to these matters. These matters could result in material adverse consequences including, without limitation, adverse judgments, significant settlements, fines, penalties, injunctions, or other actions.

CFPB

In December 2013, Ally Financial Inc. and Ally Bank entered into Consent Orders issued by the CFPB and the DOJ pertaining to the allegation of disparate impact in the automotive finance business. The Consent Orders require Ally to create a compliance plan addressing, at a minimum, the communication of Ally’s expectations of Equal Credit Opportunity Act compliance to dealers, maintenance of Ally’s existing limits on dealer finance income for contracts acquired by Ally, and monitoring for potential discrimination both at the dealer level and within our portfolio of contracts acquired across all dealers. Ally formed a compliance committee consisting of certain Ally and Ally Bank directors to oversee Ally’s execution of the Consent Orders’ terms. Ally is required to meet certain stipulations under the Consent Orders, including a requirement to make monetary payments when ongoing remediation targets are not attained. These matters could result in material adverse consequences including, without limitation, adverse judgments, significant settlements, fines, penalties, injunctions, or other actions.

Other Contingencies

We are subject to potential liability under various other exposures including tax, nonrecourse loans, self-insurance, and other miscellaneous contingencies. We establish reserves for these contingencies when the loss becomes probable and the amount can be reasonably estimated. The actual costs of resolving these items may be substantially higher or lower than the amounts reserved for any one item. Based on information currently available, it is the opinion of management that the eventual outcome of these items will not have a material adverse impact on our results of operations, financial position, or cash flows.

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Subsequent Events

3 Months Ended

Mar. 31, 2016

Subsequent Events [Abstract]

Subsequent Events [Text Block]

Subsequent Events

TradeKing Group, Inc. Acquisition

On April 5, 2016, we announced that we signed an agreement to acquire TradeKing Group, Inc., an online brokerage and digital wealth management company, for approximately $275 million. The purchase price includes approximately $250 million in premium to the acquired net assets and is subject to certain purchase price adjustments. The transaction is expected to close in the second or third quarter of 2016 and includes an online broker/dealer, a digital portfolio management platform, and educational content and social collaboration channels. The transaction is subject to regulatory approval and satisfaction of other customary closing conditions.

Declaration of Quarterly Dividend Payment

On April 11, 2016, the Ally Board of Directors declared a quarterly dividend payment on certain outstanding preferred stock. This included a cash dividend of $0.53 per share, or a total of $15 million, on Fixed Rate/Floating Rate Perpetual Preferred Stock, Series A. The dividend is payable to shareholders of record as of May 1, 2016, and is payable on May 16, 2016.

Series A Preferred Stock Redemption

On April 14, 2016, we issued a Notice of Redemption to the holders of the outstanding Series A Preferred Stock to redeem the remaining 27,870,560 shares at a redemption price of $25 per share. We plan to redeem the outstanding shares on May 16, 2016, subsequent to the quarterly dividend payment.

Departure and Appointment of Certain Officers

On April 28, 2016, we announced the appointment of Scott Stengel as General Counsel of Ally. Mr. Stengel will assume the General Counsel role effective as of May 31, 2016. Our current General Counsel, William B. Solomon, Jr., will step down from this role as of May 31, 2016, but will remain with Ally until September 30, 2016, to transition his duties to Mr. Stengel.

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Description Of Business, Basis of Presentation, And Changes in Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Income Tax, Policy [Policy Text Block]

Income Taxes

In calculating the provision for interim income taxes, in accordance with Accounting Standards Codification (ASC) 740, Income Taxes, we apply an estimated annual effective tax rate to year-to-date ordinary income. At the end of each interim period, we estimate the effective tax rate expected to be applicable for the full fiscal year. This method differs from that described in Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K, which describes our annual significant income tax accounting policy and related methodology.

Marketable Securities, Policy [Policy Text Block]

Investments

Our portfolio of investments includes various debt and marketable equity securities and nonmarketable equity investments. Debt and marketable equity securities are classified based on management’s intent to sell or hold the security. We classify debt securities as held-to-maturity only when we have both the intent and ability to hold the securities to maturity. We classify debt and marketable equity securities as trading when the securities are acquired for the purpose of selling or holding them for a short period of time. Securities not classified as either held-to-maturity or trading are classified as available-for-sale.

Our debt and marketable equity securities include government securities, corporate bonds, asset-backed securities (ABS), mortgage-backed securities (MBS), equity securities and other investments. Our portfolio includes securities classified as available-for-sale and held-to-maturity. Our available-for-sale securities are carried at fair value with unrealized gains and losses included in accumulated other comprehensive income or loss and are subject to impairment. Our held-to-maturity securities are carried at amortized cost and are subject to impairment.

We amortize premiums and discounts on debt securities as an adjustment to investment yield generally over the stated maturity of the security. For ABS and MBS where prepayments can be reasonably estimated, amortization is adjusted for expected prepayments.

Additionally, we assess our debt and marketable equity securities for potential other-than-temporary impairment. We employ a methodology that considers available evidence in evaluating potential other-than-temporary impairment of our debt and marketable equity securities classified as available-for-sale and held-to-maturity. If the cost of an investment exceeds its fair value, we evaluate, among other factors, the magnitude and duration of the decline in fair value. We also evaluate the financial health of and business outlook for the issuer, the performance of the underlying assets for interests in securitized assets, and, for securities classified as available-for-sale, our intent and ability to hold the investment through recovery of its amortized cost basis.

Once a decline in fair value of a debt security is determined to be other-than-temporary, an impairment charge for the credit component is recorded to other gain (loss) on investments, net, in our Consolidated Statement of Income, and a new cost basis in the investment is established. Noncredit component losses of a debt security are recorded in other comprehensive income (loss) when we do not intend to sell the security and it is not more likely than not that we will have to sell the security prior to the security's anticipated recovery. Unrealized losses that we have determined to be other-than-temporary on equity securities are recorded to other gain (loss) on investments, net in our Consolidated Statement of Income. Subsequent increases and decreases to the fair value of available-for-sale debt and equity securities are included in other comprehensive income (loss), so long as they are not attributable to another other-than-temporary impairment.

Realized gains and losses on investment securities are reported in other gain (loss) on investments, net, and are determined using the specific identification method. For information on our debt and marketable equity securities, refer to Note 5.

In addition to our investments in debt and marketable equity securities, we hold equity positions in other entities. These positions include Federal Home Loan Bank (FHLB) and Federal Reserve Bank (FRB) stock held to meet regulatory requirements, other equity investments that are not publicly traded and do not have a readily determinable fair value, equity investments in low income housing tax credits, and Community Reinvestment Act (CRA) equity investments. Our investments in FHLB and FRB stock and other equity investments are accounted for using the cost method of accounting. Our low income housing tax credit investments are accounted for using the proportionate amortization method of accounting for qualified affordable housing investments. Our CRA investments are accounted for using the equity method of accounting. Our FHLB and FRB stock and other equity investments carried at cost are included in nonmarketable equity investments in other assets. Our investments in low income housing tax credits and CRA are also included in other assets. As conditions warrant, we review our investments carried at cost for impairment and will adjust the carrying value of the investment if it is deemed to be impaired. No impairment was recognized in 2016 or 2015. For more information on our nonmarketable equity investments, refer to Note 21.

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Discontinued and Held-for-sale Operations Discontinued and Held-for-sale Operations (Policies)

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Discontinued Operations, Policy [Policy Text Block]

Prior to the adoption of ASU 2014-08, which was prospectively applied only to newly identified disposals that qualify as discontinued operations beginning after January 1, 2015, we have classified operations as discontinued when operations and cash flows will be eliminated from our ongoing operations and we do not expect to retain any significant continuing involvement in their operations after the respective sale or disposal transactions. For all periods presented, the operating results for these discontinued operations have been removed from continuing operations and presented separately as discontinued operations, net of tax, in the Condensed Consolidated Statement of Comprehensive Income. The Notes to the Condensed Consolidated Financial Statements have been adjusted to exclude discontinued operations unless otherwise noted.

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Discontinued and Held-for-sale Operations (Tables)

3 Months Ended

Mar. 31, 2016

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

Select financial information of discontinued operations is summarized below. The pretax income or loss, including direct costs to transact a sale, includes any impairment recognized to present the operations at the lower-of-cost or fair value. Fair value was based on the estimated sales price, which could differ from the ultimate sales price due to price volatility, changing interest rates, changing foreign-currency rates, and future economic conditions.

	Three months ended March 31,
($ in millions)	2016		2015
Select Automotive Finance operations
Pretax income including direct costs to transact a sale (a)	$	1	$	458
Tax expense (b)	—		65
Other operations
Pretax income	$	3	$	2
Tax expense (benefit)	1		(2		)

(a) Includes certain treasury and other corporate activity recognized by Corporate and Other.

(b) Includes certain income tax activity recognized by Corporate and Other.

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Other Income, Net Of Losses (Tables)

3 Months Ended

Mar. 31, 2016

Other Nonoperating Income (Expense) [Abstract]

Schedule of Other Nonoperating Income, by Component [Table Text Block]

Details of other income, net of losses, were as follows.

	Three months ended March 31,
($ in millions)	2016		2015
Remarketing fees	$	28	$	28
Late charges and other administrative fees	25		22
Income from equity-method investments	6		33
Other, net	23		14
Total other income, net of losses	$	82	$	97

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Other Operating Expenses (Tables)

3 Months Ended

Mar. 31, 2016

Operating Expenses [Abstract]

Schedule of Other Operating Cost and Expense, by Component [Table Text Block]

Details of other operating expenses were as follows.

	Three months ended March 31,
($ in millions)	2016		2015
Insurance commissions	$	94	$	93
Technology and communications	66		69
Lease and loan administration	32		29
Advertising and marketing	27		31
Professional services	24		20
Vehicle remarketing and repossession	24		18
Premises and equipment depreciation	21		20
Regulatory and licensing fees	21		21
Occupancy	13		12
Non-income taxes	9		8
Other	54		63
Total other operating expenses	$	385	$	384

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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Investment [Table Text Block]

Our portfolio of securities includes bonds, equity securities, asset- and mortgage-backed securities, and other investments. The cost, fair value, and gross unrealized gains and losses on investment securities were as follows.

	March 31, 2016									December 31, 2015
	Amortized cost		Gross unrealized					Fair value		Amortized cost		Gross unrealized					Fair value
($ in millions)			gains		losses							gains		losses
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	345	$	11	$	—		$	356	$	1,760	$	—	$	(19	)	$	1,741
U.S. States and political subdivisions	721		23		(1		)	743		693		24		(1		)	716
Foreign government	181		10		—			191		169		8		—			177
Mortgage-backed residential (a)	12,241		129		(57		)	12,313		10,459		52		(145		)	10,366
Mortgage-backed commercial	515		—		(15		)	500		486		—		(5		)	481
Asset-backed	1,792		—		(11		)	1,781		1,762		1		(8		)	1,755
Corporate debt	1,561		26		(7		)	1,580		1,213		8		(17		)	1,204
Total debt securities (b) (c)	17,356		199		(91		)	17,464		16,542		93		(195		)	16,440
Equity securities	790		12		(86		)	716		808		3		(94		)	717
Total available-for-sale securities	$	18,146	$	211	$	(177	)	$	18,180	$	17,350	$	96	$	(289	)	$	17,157
Total held-to-maturity securities (d)	$	118	$	—	$	—		$	118	$	—	$	—	$	—		$	—

(a) Residential mortgage-backed securities include agency-backed bonds totaling $9,585 million and $7,544 million at March 31, 2016, and December 31, 2015, respectively.

(b) Certain entities related to our Insurance operations are required to deposit securities with state regulatory authorities. These deposited securities totaled $15 million and $14 million at March 31, 2016, and December 31, 2015.

(c) Investment securities with a fair value of $764 million and $2,506 million at March 31, 2016, and December 31, 2015, were pledged to secure advances from the FHLB, short-term borrowings or repurchase agreements and for other purposes as required by contractual obligation or law. Under these agreements, Ally has granted the counterparty the right to sell or pledge $764 million and $745 million of the underlying investment securities at March 31, 2016, and December 31, 2015, respectively.

(d) Held-to-maturity securities consist of agency-backed residential mortgage-backed debt securities for liquidity purposes.

Investments Classified by Contractual Maturity Date [Table Text Block]

The maturity distribution of investment securities outstanding is summarized in the following tables. Call or prepayment options may cause actual maturities to differ from contractual maturities.

	Total				Due in one year or less				Due after one year through five years				Due after five years through ten years				Due after ten years
($ in millions)	Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield		Amount		Yield
March 31, 2016
Fair value of available-for-sale debt securities (a)
U.S. Treasury and federal agencies	$	356	2.1	%	$	8	4.8	%	$	91	1.6	%	$	257	2.2	%	$	—	—	%
U.S. States and political subdivisions	743		3.1		150		1.9		44		1.7		106		3.1		443		3.6
Foreign government	191		2.6		10		1.5		74		2.9		107		2.5		—		—
Mortgage-backed residential	12,313		3.0		—		—		1		4.5		31		2.5		12,281		3.0
Mortgage-backed commercial	500		2.3		—		—		—		—		3		2.7		497		2.3
Asset-backed	1,781		2.5		—		—		1,061		2.3		479		2.9		241		2.4
Corporate debt	1,580		2.9		61		2.9		904		2.6		581		3.3		34		5.3
Total available-for-sale debt securities	$	17,464	2.9		$	229	2.2		$	2,175	2.4		$	1,564	2.9		$	13,496	3.0
Amortized cost of available-for-sale debt securities	$	17,356			$	228			$	2,167			$	1,539			$	13,422
Amortized cost of held-to-maturity securities	$	118	3.2	%	$	—	—	%	$	—	—	%	$	—	—	%	$	118	3.2	%
December 31, 2015
Fair value of available-for-sale debt securities (a)
U.S. Treasury and federal agencies	$	1,741	1.8	%	$	6	5.1	%	$	510	1.2	%	$	1,225	2.1	%	$	—	—	%
U.S. States and political subdivisions	716		3.2		86		1.3		37		2.2		141		2.8		452		3.7
Foreign government	177		2.6		9		1.9		77		2.8		91		2.6		—		—
Mortgage-backed residential	10,366		2.9		—		—		33		2.1		36		2.5		10,297		2.9
Mortgage-backed commercial	481		2.0		—		—		—		—		3		2.7		478		2.0
Asset-backed	1,755		2.3		6		1.4		1,027		2.1		518		2.6		204		2.2
Corporate debt	1,204		2.9		50		3.0		713		2.5		410		3.4		31		5.4
Total available-for-sale debt securities	$	16,440	2.7		$	157	2.0		$	2,397	2.1		$	2,424	2.5		$	11,462	2.9
Amortized cost of available-for-sale debt securities	$	16,542			$	156			$	2,404			$	2,436			$	11,546

(a) Yield is calculated using the effective yield of each security at the end of the period, weighted based on the market value. The effective yield considers the contractual coupon and amortized cost, and excludes expected capital gains and losses.

Investment Income [Table Text Block]

The following table presents interest and dividends on investment securities.

	Three months ended March 31,
($ in millions)	2016		2015
Taxable interest	$	94	$	80
Taxable dividends	4		5
Interest and dividends exempt from U.S. federal income tax	4		3
Interest and dividends on investment securities	$	102	$	88

Schedule of Realized Gain (Loss) [Table Text Block]

The following table presents gross gains and losses realized upon the sales of available-for-sale securities and other-than-temporary impairment.

	Three months ended March 31,
($ in millions)	2016		2015
Gross realized gains	$	54	$	60
Gross realized losses (a)	—		(3		)
Other-than-temporary impairment	—		(2		)
Other gain on investments, net	$	54	$	55

(a) Certain available-for-sale securities were sold at a loss in 2015 as a result of market conditions within these respective periods (e.g., a downgrade in the rating of a debt security), in accordance with our risk management policies and practices.

Schedule of Unrealized Loss on Investments [Table Text Block]

The table below summarizes available-for-sale securities in an unrealized loss position in accumulated other comprehensive income. Based on the assessment of whether such losses were deemed to be other than temporary, we believe that the unrealized losses are not indicative of an other-than-temporary impairment of these securities. As of March 31, 2016, we did not have the intent to sell the debt securities with an unrealized loss position in accumulated other comprehensive income, it is not more likely than not that we will be required to sell these securities before recovery of their amortized cost basis, and we expect to recover the entire amortized cost basis of the securities. As of March 31, 2016, we had the ability and intent to hold equity securities with an unrealized loss position in accumulated other comprehensive income, and it is not more likely than not that we will be required to sell these securities before recovery of their amortized cost basis. As a result, we believe that the securities with an unrealized loss position in accumulated other comprehensive income are not considered to be other-than-temporarily impaired at March 31, 2016. Refer to Note 1 for additional information related to investment securities and our methodology for evaluating potential other-than-temporary impairments.

	March 31, 2016										December 31, 2015
	Less than 12 months					12 months or longer					Less than 12 months					12 months or longer
($ in millions)	Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	—	$	—		$	—	$	—		$	1,553	$	(17	)	$	173	$	(2	)
U.S. States and political subdivisions	248		(1		)	—		—			179		(1		)	—		—
Foreign government	—		—			—		—			2		—			—		—
Mortgage-backed	1,336		(16		)	2,448		(56		)	4,096		(43		)	2,453		(107		)
Asset-backed	1,339		(10		)	118		(1		)	1,402		(8		)	64		—
Corporate debt	291		(6		)	14		(1		)	745		(16		)	12		(1		)
Total temporarily impaired debt securities	3,214		(33		)	2,580		(58		)	7,977		(85		)	2,702		(110		)
Temporarily impaired equity securities	336		(39		)	148		(47		)	534		(54		)	96		(40		)
Total temporarily impaired available-for-sale securities	$	3,550	$	(72	)	$	2,728	$	(105	)	$	8,511	$	(139	)	$	2,798	$	(150	)

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Finance Receivables And Loans, Net (Tables)

3 Months Ended

Mar. 31, 2016

Loans and Leases Receivable, Net Reported Amount, by Category Alternative [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

The composition of finance receivables and loans reported at gross carrying value was as follows.

($ in millions)	March 31, 2016		December 31, 2015
Consumer automotive (a)	$	63,013	$	64,292
Consumer mortgage
Mortgage Finance (b)	7,443		6,413
Mortgage — Legacy (c)	3,232		3,360
Total consumer mortgage	10,675		9,773
Total consumer	73,688		74,065
Commercial
Commercial and industrial
Automotive	30,829		31,469
Other	2,863		2,640
Commercial real estate — Automotive	3,496		3,426
Total commercial	37,188		37,535
Total finance receivables and loans (d)	$	110,876	$	111,600

(a) Includes $87 million and $66 million of fair value adjustment for loans in hedge accounting relationships at March 31, 2016, and December 31, 2015, respectively. Refer to Note 19 for additional information.

(b) Includes loans originated as interest-only mortgage loans of $41 million and $44 million at March 31, 2016, and December 31, 2015, respectively, 6% of which are expected to start principal amortization in 2016, 3% in 2017, none in 2018, 40% in 2019, and 36% thereafter.

(c) Includes loans originated as interest-only mortgage loans of $889 million and $941 million at March 31, 2016, and December 31, 2015, respectively, 26% of which are expected to start principal amortization in 2016, 22% in 2017, 2% in 2018, none in 2019, and 1% thereafter.

(d) Totals include a net increase of $198 million and $110 million at March 31, 2016, and December 31, 2015, respectively, for unearned income, unamortized premiums and discounts, and deferred fees and costs.

Allowance for Credit Losses on Financing Receivables [Table Text Block]

The following tables present an analysis of the activity in the allowance for loan losses on finance receivables and loans.

Three months ended March 31, 2016 ($ in millions)	Consumer automotive			Consumer mortgage			Commercial		Total
Allowance at January 1, 2016	$	834		$	114		$	106	$	1,054
Charge-offs	(253		)	(10		)	—		(263		)
Recoveries	80			4			—		84
Net charge-offs	(173		)	(6		)	—		(179		)
Provision for loan losses	207			7			6		220
Other (a)	(18		)	—			—		(18		)
Allowance at March 31, 2016	$	850		$	115		$	112	$	1,077
Allowance for loan losses at March 31, 2016
Individually evaluated for impairment	$	25		$	43		$	18	$	86
Collectively evaluated for impairment	825			72			94		991
Loans acquired with deteriorated credit quality	—			—			—		—
Finance receivables and loans at gross carrying value
Ending balance	$	63,013		$	10,675		$	37,188	$	110,876
Individually evaluated for impairment	337			261			90		688
Collectively evaluated for impairment	62,676			10,414			37,098		110,188
Loans acquired with deteriorated credit quality	—			—			—		—

(a) Primarily related to the transfer of finance receivables and loans from held-for-investment to held-for-sale.

Three months ended March 31, 2015 ($ in millions)	Consumer automotive			Consumer mortgage			Commercial			Total
Allowance at January 1, 2015	$	685		$	152		$	140		$	977
Charge-offs	(193		)	(22		)	—			(215		)
Recoveries	61			3			1			65
Net charge-offs	(132		)	(19		)	1			(150		)
Provision for loan losses	158			(5		)	(37		)	116
Other (a)	—			(9		)	(1		)	(10		)
Allowance at March 31, 2015	$	711		$	119		$	103		$	933
Allowance for loan losses at March 31, 2015
Individually evaluated for impairment	$	21		$	54		$	15		$	90
Collectively evaluated for impairment	690			65			88			843
Loans acquired with deteriorated credit quality	—			—			—			—
Finance receivables and loans at gross carrying value
Ending balance	$	57,447		$	7,652		$	34,757		$	99,856
Individually evaluated for impairment	278			253			65			596
Collectively evaluated for impairment	57,169			7,399			34,692			99,260
Loans acquired with deteriorated credit quality	—			—			—			—

(a) Primarily related to the transfer of finance receivables and loans from held-for-investment to held-for-sale.

Schedule Of Sales Of Financing Receivables And Loans [Table Text Block]

The following table presents the gross carrying value of significant sales of finance receivables and loans and transfers of finance receivables and loans from held-for-investment to held-for-sale.

	Three months ended March 31,
($ in millions)	2016		2015
Consumer automotive	$	2,599	$	—
Consumer mortgage	2		69
Commercial	—		—
Total sales and transfers	$	2,601	$	69

Schedule of Purchases of Financing Receivables and Loans [Table Text Block]

The following table presents information about significant purchases of finance receivables and loans.

	Three months ended March 31,
($ in millions)	2016		2015
Consumer automotive	$	—	$	—
Consumer mortgage	1,370		654
Total purchases of finance receivables and loans	$	1,370	$	654

Past Due Financing Receivables [Table Text Block]

The following table presents an analysis of our past due finance receivables and loans recorded at gross carrying value.

($ in millions)	30-59 days past due		60-89 days past due		90 days or more past due		Total past due		Current		Total finance receivables and loans
March 31, 2016
Consumer automotive	$	1,227	$	247	$	215	$	1,689	$	61,324	$	63,013
Consumer mortgage
Mortgage Finance	65		3		8		76		7,367		7,443
Mortgage — Legacy	46		16		70		132		3,100		3,232
Total consumer mortgage	111		19		78		208		10,467		10,675
Total consumer	1,338		266		293		1,897		71,791		73,688
Commercial
Commercial and industrial
Automotive	—		—		—		—		30,829		30,829
Other	—		—		—		—		2,863		2,863
Commercial real estate — Automotive	—		—		—		—		3,496		3,496
Total commercial	—		—		—		—		37,188		37,188
Total consumer and commercial	$	1,338	$	266	$	293	$	1,897	$	108,979	$	110,876
December 31, 2015
Consumer automotive	$	1,618	$	369	$	222	$	2,209	$	62,083	$	64,292
Consumer mortgage
Mortgage Finance	44		5		10		59		6,354		6,413
Mortgage — Legacy	53		20		73		146		3,214		3,360
Total consumer mortgage	97		25		83		205		9,568		9,773
Total consumer	1,715		394		305		2,414		71,651		74,065
Commercial
Commercial and industrial
Automotive	—		—		—		—		31,469		31,469
Other	—		—		—		—		2,640		2,640
Commercial real estate — Automotive	—		—		—		—		3,426		3,426
Total commercial	—		—		—		—		37,535		37,535
Total consumer and commercial	$	1,715	$	394	$	305	$	2,414	$	109,186	$	111,600

Schedule of Financing Receivables, Non Accrual Status [Table Text Block]

The following table presents the gross carrying value of our finance receivables and loans on nonaccrual status.

($ in millions)	March 31, 2016		December 31, 2015
Consumer automotive	$	492	$	475
Consumer mortgage
Mortgage Finance	11		15
Mortgage — Legacy	105		113
Total consumer mortgage	116		128
Total consumer	608		603
Commercial
Commercial and industrial
Automotive	19		25
Other	66		44
Commercial real estate — Automotive	5		8
Total commercial	90		77
Total consumer and commercial finance receivables and loans	$	698	$	680

Financing Receivable Credit Quality Indicators - Performing and Nonperforming [Table Text Block]

The following table presents performing and nonperforming credit quality indicators in accordance with our internal accounting policies for our consumer finance receivables and loans recorded at gross carrying value. Nonperforming loans include finance receivables and loans on nonaccrual status when the principal or interest has been delinquent for 90 days or when full collection is not expected. Refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K for additional information.

	March 31, 2016						December 31, 2015
($ in millions)	Performing		Nonperforming		Total		Performing		Nonperforming		Total
Consumer automotive	$	62,521	$	492	$	63,013	$	63,817	$	475	$	64,292
Consumer mortgage
Mortgage Finance	7,432		11		7,443		6,398		15		6,413
Mortgage — Legacy	3,127		105		3,232		3,247		113		3,360
Total consumer mortgage	10,559		116		10,675		9,645		128		9,773
Total consumer	$	73,080	$	608	$	73,688	$	73,462	$	603	$	74,065

Schedule Of Pass And Criticized Credit Quality Indicators Of Finance Receivables [Table Text Block]

The following table presents pass and criticized credit quality indicators based on regulatory definitions for our commercial finance receivables and loans recorded at gross carrying value.

	March 31, 2016						December 31, 2015
($ in millions)	Pass		Criticized (a)		Total		Pass		Criticized (a)		Total
Commercial and industrial
Automotive	$	29,008	$	1,821	$	30,829	$	29,613	$	1,856	$	31,469
Other	2,144		719		2,863		2,122		518		2,640
Commercial real estate — Automotive	3,334		162		3,496		3,265		161		3,426
Total commercial	$	34,486	$	2,702	$	37,188	$	35,000	$	2,535	$	37,535

(a) Includes loans classified as special mention, substandard, or doubtful. These classifications are based on regulatory definitions and generally represent loans within our portfolio that have a higher default risk or have already defaulted.

Impaired Financing Receivables [Table Text Block]

The following table presents information about our impaired finance receivables and loans.

($ in millions)	Unpaid principal balance (a)		Gross carrying value		Impaired with no allowance		Impaired with an allowance		Allowance for impaired loans
March 31, 2016
Consumer automotive	$	375	$	337	$	118	$	219	$	25
Consumer mortgage
Mortgage Finance	9		8		4		4		1
Mortgage — Legacy	256		253		59		194		42
Total consumer mortgage	265		261		63		198		43
Total consumer	640		598		181		417		68
Commercial
Commercial and industrial
Automotive	19		19		3		16		2
Other	78		66		23		43		15
Commercial real estate — Automotive	5		5		1		4		1
Total commercial	102		90		27		63		18
Total consumer and commercial finance receivables and loans	$	742	$	688	$	208	$	480	$	86
December 31, 2015
Consumer automotive	$	315	$	315	$	—	$	315	$	22
Consumer mortgage
Mortgage Finance	9		9		5		4		1
Mortgage — Legacy	260		257		59		198		43
Total consumer mortgage	269		266		64		202		44
Total consumer	584		581		64		517		66
Commercial
Commercial and industrial
Automotive	25		25		4		21		3
Other	44		44		—		44		15
Commercial real estate — Automotive	8		8		1		7		2
Total commercial	77		77		5		72		20
Total consumer and commercial finance receivables and loans	$	661	$	658	$	69	$	589	$	86

(a) Adjusted for charge-offs.

Schedule of Average Balance And Interest Income Of Impaired Finance Receivables [Table Text Block]

The following table presents average balance and interest income for our impaired finance receivables and loans.

	2016				2015
Three months ended March 31, ($ in millions)	Average balance		Interest income		Average balance		Interest income
Consumer automotive	$	326	$	4	$	290	$	4
Consumer mortgage
Mortgage Finance	9		—		7		—
Mortgage — Legacy	255		2		304		2
Total consumer mortgage	264		2		311		2
Total consumer	590		6		601		6
Commercial
Commercial and industrial
Automotive	23		—		34		—
Other	49		1		40		3
Commercial real estate — Automotive	6		—		4		—
Total commercial	78		1		78		3
Total consumer and commercial finance receivables and loans	$	668	$	7	$	679	$	9

Troubled Debt Restructurings on Financing Receivables [Table Text Block]

The following table presents information related to finance receivables and loans recorded at gross carrying value modified in connection with a TDR during the period.

	2016					2015
Three months ended March 31, ($ in millions)	Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value		Number of loans	Pre-modification gross carrying value		Post-modification gross carrying value
Consumer automotive	5,622	$	89	$	76	4,055	$	63	$	53
Consumer mortgage
Mortgage Finance	1	1		1		2	1		1
Mortgage — Legacy	31	4		4		38	6		5
Total consumer mortgage	32	5		5		40	7		6
Total consumer	5,654	94		81		4,095	70		59
Commercial
Commercial and industrial
Automotive	—	—		—		—	—		—
Other	—	—		—		—	—		—
Commercial real estate — Automotive	—	—		—		—	—		—
Total commercial	—	—		—		—	—		—
Total consumer and commercial finance receivables and loans	5,654	$	94	$	81	4,095	$	70	$	59

Finance receivables and loans redefaulted during the period [Table Text Block]

The following table presents information about finance receivables and loans recorded at gross carrying value that have redefaulted during the reporting period and were within 12 months or less of being modified as a TDR. Redefault is when finance receivables and loans meet the requirements for evaluation under our charge-off policy (refer to Note 1 to the Consolidated Financial Statements in our 2015 Annual Report on Form 10-K for additional information) except for commercial finance receivables and loans, where redefault is defined as 90 days past due.

	2016					2015
Three months ended March 31, ($ in millions)	Number of loans	Gross carrying value		Charge-off amount		Number of loans	Gross carrying value		Charge-off amount
Consumer automotive	1,800	$	23	$	12	1,581	$	19	$	11
Consumer mortgage
Mortgage Finance	—	—		—		—	—		—
Mortgage — Legacy	1	—		—		4	—		—
Total consumer finance receivables and loans	1,801	$	23	$	12	1,585	$	19	$	11

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Investment In Operating Leases, Net (Tables)

3 Months Ended

Mar. 31, 2016

Leases, Operating [Abstract]

Schedule of Property Subject to or Available for Operating Lease [Table Text Block]

Investments in operating leases were as follows.

($ in millions)	March 31, 2016			December 31, 2015
Vehicles	$	18,784		$	20,211
Accumulated depreciation	(3,826		)	(3,940		)
Investment in operating leases, net	$	14,958		$	16,271

Depreciation Expense On Operating Lease Assets [Table Text Block]

Depreciation expense on operating lease assets includes remarketing gains and losses recognized on the sale of operating lease assets. The following summarizes the components of depreciation expense on operating lease assets.

	Three months ended March 31,
($ in millions)	2016			2015
Depreciation expense on operating lease assets (excluding remarketing gains)	$	565		$	691
Remarketing gains	(55		)	(69		)
Net depreciation expense on operating lease assets	$	510		$	622

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Securitizations And Variable Interest Entities (Tables)

3 Months Ended

Mar. 31, 2016

Securitizations And Variable Interest Entities [Abstract]

Schedule of Variable Interest Entities [Table Text Block]

Our involvement with consolidated and nonconsolidated VIEs in which we hold variable interests is presented below.

($ in millions)	Involvement with VIEs			Assets of nonconsolidated VIEs (a)			Maximum exposure to loss in nonconsolidated VIEs
March 31, 2016
On-balance sheet variable interest entities
Consumer automotive	$	27,408	(b)
Commercial automotive	15,817
Off-balance sheet variable interest entities
Consumer automotive	25			$	3,647	(c)	$	3,672	(d)
Commercial other	224		(e)	—		(c)	523		(f)
Total	$	43,474		$	3,647		$	4,195
December 31, 2015
On-balance sheet variable interest entities
Consumer automotive	$	27,967	(b)
Commercial automotive	16,763
Off-balance sheet variable interest entities
Consumer automotive	—			$	3,034		$	3,034	(d)
Commercial other	210		(e)	—		(c)	493		(f)
Total	$	44,940		$	3,034		$	3,527

(a) Asset values represent the current unpaid principal balance of outstanding consumer finance receivables and loans within the VIEs.

(b) Includes $10.2 billion and $10.6 billion of assets that are not encumbered by VIE beneficial interests held by third parties at March 31, 2016, and December 31, 2015, respectively. Ally or consolidated affiliates hold the interests in these assets which eliminate in consolidation.

(c) Includes VIEs for which we have no management oversight and therefore we are not able to provide the total assets of the VIEs.

(d) Maximum exposure to loss represents the current unpaid principal balance of outstanding loans based on our customary representation and warranty provisions and certain noncertificated interests retained from the sale of automotive finance receivables. This measure is based on the unlikely event that all of the loans have underwriting defects or other defects that trigger a representation and warranty provision and the collateral supporting the loans are worthless. This required disclosure is not an indication of our expected loss.

(e) Includes $234 million and $222 million classified as other assets, offset by $10 million and $12 million classified as accrued expenses and other liabilities at March 31, 2016, and December 31, 2015, respectively.

(f) For certain nonconsolidated affordable housing entities, maximum exposure to loss represents the yield we guaranteed investors through long term guarantee contracts. The amount disclosed is based on the unlikely event that the underlying properties cease generating yield to investors and the yield delivered to investors in the form of low income tax housing credits is recaptured. For nonconsolidated equity investments, maximum exposure to loss represents our outstanding investment, additional committed capital, and low income housing tax credits subject to recapture. The amount disclosed is based on the unlikely event that our committed capital is funded, our investments become worthless, and the tax credits previously delivered to us are recaptured. This required disclosure is not an indication of our expected loss.

Schedule Of Cash Flow Received And Paid To Nonconsolidated Securitization Entities [Table Text Block]

The following table summarizes cash flows received and paid related to securitization entities and asset-backed financings where the transfer is accounted for as a sale and we have a continuing involvement with the transferred assets (e.g., servicing) that were outstanding during the three months endedMarch 31, 2016, and 2015. Additionally, this table contains information regarding cash flows received from and paid to nonconsolidated securitization entities that existed during each period.

Three months ended March 31, ($ in millions)	Consumer automotive
2016
Cash proceeds from transfers completed during the period	$	1,025
Servicing fees	8
Other cash flows	2
2015
Servicing fees	$	7

Schedule of Quantitative Information and Net Credit Losses about Securitized and Other Financial Assets Managed Together [Table Text Block]

The following tables represent on-balance sheet loans held-for-sale and finance receivable and loans, off-balance sheet securitizations, and whole-loan sales where we have continuing involvement. The tables present quantitative information about delinquencies and net credit losses.

	Total Amount				Amount 60 days or more past due
($ in millions)	March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015
On-balance sheet loans
Consumer automotive	$	63,013	$	64,292	$	462	$	591
Consumer mortgage	10,675		9,773		97		108
Commercial automotive	34,325		34,895		—		—
Commercial other	2,902		2,745		—		—
Total on-balance sheet loans	110,915		111,705		559		699
Off-balance sheet securitization entities
Consumer automotive	3,139		2,529		8		9
Total off-balance sheet securitization entities	3,139		2,529		8		9
Whole-loan transactions (a)	3,477		2,252		8		13
Total	$	117,531	$	116,486	$	575	$	721

(a) Whole-loan transactions are not part of a securitization transaction, but represent consumer automotive pools of loans sold to third-party investors.

	Net credit losses
	Three months ended March 31,
($ in millions)	2016		2015
On-balance sheet loans
Consumer automotive	$	173	$	132
Consumer mortgage	6		19
Commercial automotive	—		(1		)
Total on-balance sheet loans	179		150
Off-balance sheet securitization entities
Consumer automotive	2		1
Total off-balance sheet securitization entities	2		1
Total	$	181	$	151

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Servicing Activities (Tables)

3 Months Ended

Mar. 31, 2016

Servicing Activities [Abstract]

Schedule Of Total Serviced Automobile Loans Outstanding [Table Text Block]

The current unpaid principal balance and any related unamortized deferred fees and costs of total serviced automotive finance loans and leases outstanding were as follows.

($ in millions)	March 31, 2016		December 31, 2015
On-balance sheet automotive finance loans and leases
Consumer automotive	$	62,819	$	64,067
Commercial automotive	34,325		34,895
Operating leases	14,690		15,965
Other	67		72
Off-balance sheet automotive finance loans
Loans sold to third-party investors
Securitizations	3,168		2,550
Whole-loan	3,512		2,259
Total serviced automotive finance loans and leases	$	118,581	$	119,808

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Other Assets (Tables)

3 Months Ended

Mar. 31, 2016

Other Assets [Abstract]

Schedule of Other Assets [Table Text Block]

The components of other assets were as follows.

($ in millions)	March 31, 2016			December 31, 2015
Property and equipment at cost	$	724		$	691
Accumulated depreciation	(474		)	(456		)
Net property and equipment	250			235
Restricted cash collections for securitization trusts (a)	2,021			2,010
Net deferred tax assets	1,142			1,369
Nonmarketable equity investments (b)	733			418
Other accounts receivable	392			158
Fair value of derivative contracts in receivable position (c)	224			233
Cash reserve deposits held-for-securitization trusts (d)	208			252
Collateral placed with counterparties	106			125
Restricted cash and cash equivalents	105			120
Other assets	1,401			1,401
Total other assets	$	6,582		$	6,321

(a) Represents cash collections from customer payments on securitized receivables. These funds are distributed to investors as payments on the related secured debt.

(b) Includes investments in FHLB stock of $271 million and $391 million and FRB stock of $435 million and $0 million at March 31, 2016, and December 31, 2015, respectively.

(c) For additional information on derivative instruments and hedging activities, refer to Note 19.

(d) Represents credit enhancement in the form of cash reserves for various securitization transactions.

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Deposit Liabilities (Tables)

3 Months Ended

Mar. 31, 2016

Deposits [Abstract]

Schedule of Deposit Liabilities [Table Text Block]

Deposit liabilities consisted of the following.

($ in millions)	March 31, 2016		December 31, 2015
Noninterest-bearing deposits	$	92	$	89
Interest-bearing deposits
Savings and money market checking accounts	39,945		36,386
Certificates of deposit	30,010		29,774
Dealer deposits	218		229
Total deposit liabilities	$	70,265	$	66,478

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Short-Term Borrowings (Tables)

3 Months Ended

Mar. 31, 2016

Short-term Debt [Abstract]

Schedule of Short-term Debt [Table Text Block]

The following table presents the composition of our short-term borrowings portfolio.

	March 31, 2016						December 31, 2015
($ in millions)	Unsecured		Secured (a)		Total		Unsecured		Secured (a)		Total
Demand notes	$	3,640	$	—	$	3,640	$	3,369	$	—	$	3,369
Federal Home Loan Bank	—		1,000		1,000		—		4,000		4,000
Securities sold under agreements to repurchase	—		725		725		—		648		648
Other	—		—		—		84		—		84
Total short-term borrowings	$	3,640	$	1,725	$	5,365	$	3,453	$	4,648	$	8,101

(a) Refer to Note 13 for further details on assets restricted as collateral for payment of the related debt.

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Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2016

Long-term Debt, Unclassified [Abstract]

Long-term Debt Portfolio [Table Text Block]

The following table presents the composition of our long-term debt portfolio.

	March 31, 2016						December 31, 2015
($ in millions)	Unsecured		Secured		Total		Unsecured		Secured			Total
Long-term debt
Due within one year	$	4,351	$	9,517	$	13,868	$	1,829	$	9,427		$	11,256
Due after one year (a)	15,758		31,911		47,669		18,803		35,844			54,647
Fair value adjustment (b)	497		10		507		334		(3		)	331
Total long-term debt (c)	$	20,606	$	41,438	$	62,044	$	20,966	$	45,268		$	66,234

(a) Includes $2.6 billion of trust preferred securities at both March 31, 2016, and December 31, 2015.

(b) Represents the fair value adjustment associated with the application of hedge accounting on certain of our long-term debt positions. Refer to Note 19 for additional information.

(c) Includes advances from the Federal Home Loan Bank of Pittsburgh (FHLB) of $5.4 billion at both March 31, 2016, and December 31, 2015.

Scheduled Remaining Maturity of Long-term Debt [Table Text Block]

The following table presents the scheduled remaining maturity of long-term debt at March 31, 2016, assuming no early redemptions will occur. The actual payment of secured debt may vary based on the payment activity of the related pledged assets.

($ in millions)	2016			2017			2018			2019			2020			2021 and thereafter			Fair value adjustment		Total
Unsecured
Long-term debt	$	1,412		$	4,371		$	3,701		$	1,631		$	2,213		$	8,156		$	497	$	21,981
Original issue discount	(58		)	(87		)	(99		)	(35		)	(36		)	(1,060		)	—		(1,375		)
Total unsecured	1,354			4,284			3,602			1,596			2,177			7,096			497		20,606
Secured
Long-term debt	5,569			12,721			8,448			7,128			4,058			3,504			10		41,438
Total long-term debt	$	6,923		$	17,005		$	12,050		$	8,724		$	6,235		$	10,600		$	507	$	62,044

Pledged assets for the payment of the related secured borrowings and repurchase agreements [Table Text Block]

The following summarizes assets restricted as collateral for the payment of the related debt obligation primarily arising from securitization transactions accounted for as secured borrowings and repurchase agreements.

	March 31, 2016					December 31, 2015
($ in millions)	Total			Ally Bank (a)		Total			Ally Bank (a)
Investment securities(b)	$	685		$	—	$	2,420		$	1,761
Mortgage assets held-for-investment and lending receivables	10,614			10,614		9,743			9,743
Consumer automotive finance receivables	32,246			8,515		34,324			9,167
Commercial automotive finance receivables	18,905			18,539		19,623			19,177
Investment in operating leases, net	4,669			2,644		5,539			3,205
Other assets (b)	74			—		—			—
Total assets restricted as collateral (c) (d)	$	67,193		$	40,312	$	71,649		$	43,053
Secured debt	$	43,163	(e)	$	19,259	$	49,916	(e)	$	24,787

(a) Ally Bank is a component of the total column.

(b) Certain investment securities and other assets are restricted under repurchase agreements. Refer to Note 12 for information on the repurchase agreements.

(c) Ally Bank has an advance agreement with the FHLB, and had assets pledged to secure borrowings that were restricted as collateral to the FHLB totaling $14.1 billion and $14.9 billion at March 31, 2016, and December 31, 2015, respectively. These assets were composed primarily of consumer mortgage finance receivables and loans, net and investment securities. Ally Bank has access to the Federal Reserve Bank Discount Window. Ally Bank had assets pledged and restricted as collateral to the Federal Reserve Bank totaling $2.9 billion at both March 31, 2016, and December 31, 2015. These assets were composed of consumer automotive finance receivables and loans, net and investment in operating leases, net. Availability under these programs is only for the operations of Ally Bank and cannot be used to fund the operations or liabilities of Ally or its subsidiaries.

(d) Excludes restricted cash and cash reserves for securitization trusts recorded within other assets on the Condensed Consolidated Balance Sheet. Refer to Note 10 for additional information.

(e) Includes $1.7 billion and $4.6 billion of short-term borrowings at March 31, 2016, and December 31, 2015, respectively.

Schedule Of Committed Funding Facilities [Table Text Block]

	Outstanding				Unused capacity (a)				Total capacity
($ in millions)	March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015		March 31, 2016		December 31, 2015
Bank funding
Secured (b)	$	2,250	$	3,250	$	1,750	$	—	$	4,000	$	3,250
Parent funding
Secured	15,325		16,914		465		251		15,790		17,165
Total committed facilities	$	17,575	$	20,164	$	2,215	$	251	$	19,790	$	20,415

(a) Funding from committed secured facilities is available on request in the event excess collateral resides in certain facilities or is available to the extent incremental collateral is available and contributed to the facilities.

(b) Excludes off-balance sheet credit facility amounts.

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Accrued Expenses and Other Liabilities (Tables)

3 Months Ended

Mar. 31, 2016

Accounts Payable and Accrued Liabilities [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

The components of accrued expenses and other liabilities were as follows.

($ in millions)	March 31, 2016		December 31, 2015
Accounts payable	$	1,082	$	391
Reserves for insurance losses and loss adjustment expenses	184		169
Employee compensation and benefits	158		242
Collateral received from counterparties	126		82
Fair value of derivative contracts in payable position (a)	124		145
Deferred revenue	93		108
Other liabilities	418		408
Total accrued expenses and other liabilities	$	2,185	$	1,545

(a) For additional information on derivative instruments and hedging activities, refer to Note 19.

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Preferred Stock (Tables)

3 Months Ended

Mar. 31, 2016

Preferred Stock, Including Additional Paid in Capital [Abstract]

Schedule of Stock by Class [Table Text Block]

The following table summarizes information about our Series A preferred stock.

	March 31, 2016			December 31, 2015
Series A preferred stock (a) (b)
Carrying value ($ in millions)	$	696		$	696
Par value (per share)	0.01			0.01
Liquidation preference (per share)	25			25
Number of shares authorized	40,870,560			40,870,560
Number of shares issued and outstanding	27,870,560			27,870,560
Dividend/coupon
Prior to May 15, 2016	8.5		%	8.5		%
On and after May 15, 2016	Three month LIBOR + 6.243%			Three month LIBOR + 6.243%

(a) Nonredeemable prior to May 15, 2016.

(b) On April 14, 2016, we issued a Notice of Redemption to the holders of the outstanding Series A Preferred Stock to redeem the remaining 27,870,560 shares at a redemption price of $25 per share.We plan to redeem the outstanding shares on May 16, 2016.

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Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2016

Accumulated Other Comprehensive Income (Loss) [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following table presents changes, net of tax, in each component of accumulated other comprehensive (loss) income.

($ in millions)	Unrealized (losses) gains on investment securities (a)			Translation adjustments and net investment hedges (b)			Cash flow hedges		Defined benefit pension plans			Accumulated other comprehensive loss
Balance at December 31, 2014	$	(21	)	$	36		$	7	$	(88	)	$	(66	)
2015 net change	52			(21		)	—		—			31
Balance at March 31, 2015	$	31		$	15		$	7	$	(88	)	$	(35	)
Balance at December 31, 2015	$	(159	)	$	9		$	8	$	(89	)	$	(231	)
2016 net change	142			5			—		(1		)	146
Balance at March 31, 2016	$	(17	)	$	14		$	8	$	(90	)	$	(85	)

(a) Represents the after-tax difference between the fair value and amortized cost of our available-for-sale securities portfolio.

(b) For additional information on derivative instruments and hedging activities, refer to Note 19.

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

The following tables present the before- and after-tax changes in each component of accumulated other comprehensive (loss) income.

Three months ended March 31, 2016($ in millions)	Before Tax				Tax Effect				After Tax
Investment securities
Net unrealized gains arising during the period	$	280			$	(104	)		$	176
Less: Net realized gains reclassified to income from continuing operations	54			(a)	(20		)	(b)	34
Net change	226				(84		)		142
Translation adjustments
Net unrealized gains arising during the period	13				(5		)		8
Net investment hedges
Net unrealized losses arising during the period	(6		)		3				(3		)
Defined benefit pension plans
Net unrealized losses arising during the period	(1		)		—				(1		)
Other comprehensive income	$	232			$	(86	)		$	146

(a) Includes gains reclassified to other gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

Three months ended March 31, 2015 ($ in millions)	Before Tax				Tax Effect				After Tax
Investment securities
Net unrealized gains arising during the period	$	138			$	(51	)		$	87
Less: Net realized gains reclassified to income from continuing operations	55			(a)	(20		)	(b)	35
Net change	83				(31		)		52
Translation adjustments
Net unrealized losses arising during the period	(20		)		7				(13		)
Less: Net realized gains reclassified to income from discontinued operations, net of tax	42				(20		)		22
Net change	(62		)		27				(35		)
Net investment hedges
Net unrealized gains arising during the period	18				(7		)		11
Less: Net realized losses reclassified to income from discontinued operations, net of tax	(4		)		1				(3		)
Net change	22				(8		)		14
Other comprehensive income	$	43			$	(12	)		$	31

(a) Includes gains reclassified to other gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

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Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table presents the calculation of basic and diluted earnings per common share.

	Three months ended March 31,
($ in millions, except share data) (a)	2016			2015
Net income from continuing operations	$	247		$	179
Preferred stock dividends	(15		)	(67		)
Net income from continuing operations attributable to common shareholders	232			112
Income from discontinued operations, net of tax	3			397
Net income attributable to common shareholders	$	235		$	509
Basic weighted-average common shares outstanding (b)	484,233,246			482,247,935
Diluted weighted-average common shares outstanding (b)	484,654,229			482,781,619
Basic earnings per common share
Net income from continuing operations	$	0.48		$	0.23
Income from discontinued operations, net of tax	0.01			0.82
Net income	$	0.49		$	1.06
Diluted earnings per common share
Net income from continuing operations	$	0.48		$	0.23
Income from discontinued operations, net of tax	0.01			0.82
Net income	$	0.49		$	1.06

(a) Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

(b) Includes shares related to share-based compensation that vested but were not yet issued for the three months endedMarch 31, 2016, and 2015, respectively.

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Regulatory Capital (Tables)

3 Months Ended

Mar. 31, 2016

Regulatory Capital Requirements [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

The following table summarizes our capital ratios under the U.S. Basel III capital framework.

	March 31, 2016				December 31, 2015				Required minimum			Well-capitalized minimum
($ in millions)	Amount		Ratio		Amount		Ratio
Risk-based capital
Common Equity Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	12,656	9.47	%	$	12,507	9.21	%	4.50	%		(a)
Ally Bank	16,871		17.61		16,594		17.05		4.50			6.50	%
Tier 1 (to risk-weighted assets)
Ally Financial Inc.	$	15,462	11.57	%	$	15,077	11.10	%	6.00	%		6.00	%
Ally Bank	16,871		17.61		16,594		17.05		6.00			8.00
Total (to risk-weighted assets)
Ally Financial Inc.	$	17,363	13.00	%	$	17,005	12.52	%	8.00	%		10.00	%
Ally Bank	17,344		18.11		17,043		17.51		8.00			10.00
Tier 1 leverage (to adjusted quarterly average assets) (b)
Ally Financial Inc.	$	15,462	9.87	%	$	15,077	9.73	%	4.00	%		(a)
Ally Bank	16,871		15.25		16,594		15.38		15.00		(c)	5.00	%

(a) Currently, there is no ratio component for determining whether a BHC is "well-capitalized."

(b) Federal regulatory reporting guidelines require the calculation of adjusted quarterly average assets using a daily average methodology.

(c) Ally Bank has committed to the FRB to maintain a Tier 1 leverage ratio of at least 15%.

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Derivative Instruments and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value Amounts of Derivative Instruments Reported On Our Condensed Consolidated Balance Sheet [Table Text Block]

The following table summarizes the fair value amounts of derivative instruments reported on our Condensed Consolidated Balance Sheet. The fair value amounts are presented on a gross basis, are segregated by derivatives that are designated and qualifying as hedging instruments or those that are not, and are further segregated by type of contract within those two categories. Notional amounts are reference amounts from which contractual obligations are derived and are not recorded on the balance sheet. In our view, derivative notional is not an accurate measure of our derivative exposure when viewed in isolation from other factors, such as market rate fluctuations and counterparty credit risk.

	March 31, 2016						December 31, 2015
	Derivative contracts in a				Notional amount		Derivative contracts in a				Notional amount
($ in millions)	receivable position (a)		payable position (b)				receivable position (a)		payable position (b)
Derivatives designated as accounting hedges
Interest rate contracts
Swaps (c) (d) (e)	$	154	$	18	$	10,698	$	126	$	9	$	14,151
Foreign exchange contracts
Forwards	—		6		222		—		1		189
Total derivatives qualifying for hedge accounting	154		24		10,920		126		10		14,340
Derivatives not designated as accounting hedges
Interest rate contracts
Swaps	33		55		4,979		30		51		6,101
Futures and forwards	3		3		1,875		2		2		1,905
Written options	—		33		17,539		—		72		18,220
Purchased options	33		—		17,539		73		—		18,240
Total interest rate risk	69		91		41,932		105		125		44,466
Foreign exchange contracts
Futures and forwards	1		3		159		—		—		278
Total foreign exchange risk	1		3		159		—		—		278
Equity contracts
Forwards	—		6		25		—		9		32
Written options	—		—		—		—		1		—
Purchased options	—		—		—		2		—		—
Total equity risk	—		6		25		2		10		32
Total Derivatives not designated as accounting hedges	70		100		42,116		107		135		44,776
Total derivatives	$	224	$	124	$	53,036	$	233	$	145	$	59,116

(a) Derivative contracts in a receivable position are classified as other assets on the Condensed Consolidated Balance Sheet, and includes accrued interest of $15 million and $46 million at March 31, 2016, and December 31, 2015, respectively.

(b) Derivative contracts in a liability position are classified as accrued expenses and other liabilities on the Condensed Consolidated Balance Sheet, and includes accrued interest of $5 million and $12 million at March 31, 2016, and December 31, 2015, respectively.

(c) Includes fair value hedges consisting of receive-fixed swaps on fixed-rate unsecured debt obligations with $142 million and $112 million in a receivable position, $0 million and $3 million in a payable position, and a $3.9 billion and $6.8 billion notional amount at March 31, 2016, and December 31, 2015, respectively. Of the hedge notional amount at March 31, 2016, $2.1 billion is associated with debt maturing in five or more years.

(d) Includes fair value hedges consisting of receive-fixed swaps on fixed-rate secured debt obligations (FHLB Advances) with $11 million and $1 million in a receivable position, $0 million and $2 million in a payable position, and a $700 million and $500 million notional amount at March 31, 2016, and December 31, 2015, respectively.

(e) Other fair value hedges include pay-fixed swaps on portfolios of held-for-investment automotive loan assets with $1 million and $13 million in a receivable position, $18 million and $3 million in a payable position, and a $6.0 billion and $6.8 billion notional amount at March 31, 2016, and December 31, 2015, respectively.

Gains and Losses On Derivative Instruments Reported in Statement of Comprehensive Income [Table Text Block]

The following table summarizes the location and amounts of gains and losses on derivative instruments reported in our Condensed Consolidated Statement of Comprehensive Income.

	Three months ended March 31,
($ in millions)	2016			2015
Derivatives qualifying for hedge accounting
(Loss) gain recognized in earnings on derivatives
Interest rate contracts
Interest and fees on finance receivables and loans (a)	$	(28	)	$	(23	)
Interest on long-term debt (b) (c)	191			86
Gain (loss) recognized in earnings on hedged items
Interest rate contracts
Interest and fees on finance receivables and loans (d)	28			33
Interest on long-term debt (e)	(196		)	(87		)
Total derivatives qualifying for hedge accounting	(5		)	9
Derivatives not designated as accounting hedges
(Loss) gain recognized in earnings on derivatives
Interest rate contracts
Loss on mortgage and automotive loans, net	—			(2		)
Other income, net of losses	2			(12		)
Total interest rate contracts	2			(14		)
Foreign exchange contracts (f)
Interest on long-term debt	(1		)	(143		)
Other income, net of losses	(4		)	11
Total foreign exchange contracts	(5		)	(132		)
Equity contracts
Compensation and benefits expense	(1		)	(6		)
Total equity contracts	(1		)	(6		)
Loss recognized in earnings on derivatives	$	(9	)	$	(143	)

(a) Amounts exclude losses related to interest for qualifying accounting hedges of retail automotive loans held-for-investment, which are primarily offset by the fixed coupon payments of the loans. The losses were $7 million and $17 million for the three months endedMarch 31, 2016, and 2015, respectively.

(b) Amounts exclude gains related to interest for qualifying accounting hedges of unsecured debt, which are primarily offset by the fixed coupon payment on the long-term debt. The gains were $16 million and $23 million for the three months endedMarch 31, 2016, and 2015, respectively.

(c) Amounts exclude gains related to interest for qualifying accounting hedges of secured debt (FHLB Advances), which are primarily offset by the fixed coupon payment on the long-term debt. The gains were $1 million for the three months endedMarch 31, 2016.

(d) Amounts exclude losses related to amortization of deferred loan basis adjustments on the de-designated hedged item of $5 million for the three months endedMarch 31, 2016.

(e) Amounts exclude gains related to amortization of deferred debt basis adjustments on the de-designated hedged item of $18 million and $28 million for the three months endedMarch 31, 2016, and 2015, respectively.

(f) Amounts exclude gains related to the revaluation of the related foreign-denominated debt or receivable of $4 million and $134 million for the three months endedMarch 31, 2016, and 2015, respectively.

Derivative Instruments Used in Cash Flow and Net Investment Hedge Accounting Relationships [Table Text Block]

The following table summarizes derivative instruments used in cash flow and net investment hedge accounting relationships.

	Three months ended March 31,
($ in millions)	2016			2015
Foreign exchange contracts
Loss reclassified from accumulated other comprehensive loss to income from discontinued operations, net	$	—		$	(4	)
Total loss from discontinued operations, net	$	—		$	(4	)
(Loss) gain recognized in other comprehensive income (a)	$	(6	)	$	22

(a) The amounts represent the effective portion of net investment hedges. There are offsetting amounts recognized in accumulated other comprehensive (loss) income related to the revaluation of the related net investment in foreign operations, including the tax impacts of the hedge and related net investment, as disclosed separately in Note 16. There were gains of $11 million and losses of $43 million for the three months endedMarch 31, 2016, and 2015, respectively.

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Fair Value (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurements - Recurring Basis [Table Text Block]

The following tables display the assets and liabilities measured at fair value on a recurring basis including financial instruments elected for the fair value option. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The tables below display the hedges separately from the hedged items; therefore, they do not directly display the impact of our risk management activities.

	Recurring fair value measurements
March 31, 2016($ in millions)	Level 1			Level 2			Level 3		Total
Assets
Investment securities
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	356		$	—		$	—	$	356
U.S. States and political subdivisions	—			743			—		743
Foreign government	11			180			—		191
Mortgage-backed residential	—			12,313			—		12,313
Mortgage-backed commercial	—			500			—		500
Asset-backed	—			1,781			—		1,781
Corporate debt	—			1,580			—		1,580
Total debt securities	367			17,097			—		17,464
Equity securities (a)	716			—			—		716
Total available-for-sale securities	1,083			17,097			—		18,180
Other assets
Interests retained in financial asset sales	—			—			31		31
Derivative contracts in a receivable position (b)
Interest rate	3			220			—		223
Foreign currency	—			1			—		1
Total derivative contracts in a receivable position	3			221			—		224
Total assets	$	1,086		$	17,318		$	31	$	18,435
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position (b)
Interest rate	$	(3	)	$	(106	)	$	—	$	(109	)
Foreign currency	—			(9		)	—		(9		)
Other	—			(6		)	—		(6		)
Total derivative contracts in a payable position	(3		)	(121		)	—		(124		)
Total liabilities	$	(3	)	$	(121	)	$	—	$	(124	)

(a) Our investment in any one industry did not exceed 15%.

(b) For additional information on derivative instruments and hedging activities, refer to Note 19.

	Recurring fair value measurements
December 31, 2015 ($ in millions)	Level 1			Level 2			Level 3		Total
Assets
Investment securities
Available-for-sale securities
Debt securities
U.S. Treasury and federal agencies	$	1,469		$	272		$	—	$	1,741
U.S. States and political subdivisions	—			716			—		716
Foreign government	10			167			—		177
Mortgage-backed residential	—			10,366			—		10,366
Mortgage-backed commercial	—			481			—		481
Asset-backed	—			1,755			—		1,755
Corporate debt	—			1,204			—		1,204
Total debt securities	1,479			14,961			—		16,440
Equity securities (a)	717			—			—		717
Total available-for-sale securities	2,196			14,961			—		17,157
Other assets
Interests retained in financial asset sales	—			—			40		40
Derivative contracts in a receivable position (b)
Interest rate	2			229			—		231
Other	2			—			—		2
Total derivative contracts in a receivable position	4			229			—		233
Total assets	$	2,200		$	15,190		$	40	$	17,430
Liabilities
Accrued expenses and other liabilities
Derivative contracts in a payable position (b)
Interest rate	$	(2	)	$	(133	)	$	—	$	(135	)
Foreign currency	—			(1		)	—		(1		)
Other	(1		)	(8		)	—		(9		)
Total derivative contracts in a payable position	(3		)	(142		)	—		(145		)
Total liabilities	$	(3	)	$	(142	)	$	—	$	(145	)

(a) Our investment in any one industry did not exceed 14%.

(b) For additional information on derivative instruments and hedging activities, refer to Note 19.

Fair Value Measurements - Reconciliation of Level 3 Assets and Liabilities [Table Text Block]

The following tables present the reconciliation for all Level 3 assets and liabilities measured at fair value on a recurring basis. We often economically hedge the fair value change of our assets or liabilities with derivatives and other financial instruments. The Level 3 items presented below may be hedged by derivatives and other financial instruments that are classified as Level 1 or Level 2. Thus, the following tables do not fully reflect the impact of our risk management activities.

	Level 3 recurring fair value measurements
			Net realized/unrealized gains														Fair value at March 31, 2016		Net unrealized gains included in earnings still held at March 31, 2016
($ in millions)	Fair value at January 1, 2016		included in earnings			included in OCI		Purchases		Sales		Issuances		Settlements
Assets
Other assets
Interests retained in financial asset sales	$	40	$	2	(a)	$	—	$	—	$	4	$	—	$	(15	)	$	31	$	—
Total assets	$	40	$	2		$	—	$	—	$	4	$	—	$	(15	)	$	31	$	—

(a) Reported as other income, net of losses, in the Condensed Consolidated Statement of Comprehensive Income.

	Level 3 recurring fair value measurements
	Fair value at January 1, 2015		Net realized/unrealized gains					Purchases		Sales		Issuances		Settlements			Fair value at March 31, 2015		Net unrealized gains included in earnings still held at March 31, 2015
($ in millions)			included in earnings			included in OCI
Assets
Mortgage loans held-for-sale, net	$	3	$	—		$	—	$	—	$	—	$	—	$	—		$	3	$	—
Other assets
Interests retained in financial asset sales	47		3		(a)	—		—		—		1		(9		)	42		—
Total assets	$	50	$	3		$	—	$	—	$	—	$	1	$	(9	)	$	45	$	—

(a)    Reported as other income, net of losses, in the Condensed Consolidated Statement of Comprehensive Income.

Fair Value Measurements - Nonrecurring Basis [Table Text Block]

The following tables display the assets and liabilities measured at fair value on a nonrecurring basis.

	Nonrecurring fair value measurements								Lower-of-cost or fair value or valuation reserve allowance			Total gain included in earnings for the three months ended
March 31, 2016($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale, net	$	—	$	—	$	39	$	39	$	—		n/m	(a)
Commercial finance receivables and loans, net (b)
Automotive	—		—		17		17		(3		)	n/m	(a)
Other	—		—		28		28		(15		)	n/m	(a)
Total commercial finance receivables and loans, net	—		—		45		45		(18		)	n/m	(a)
Other assets
Repossessed and foreclosed assets (c)	—		—		12		12		(3		)	n/m	(a)
Other	—		—		6		6		—			n/m	(a)
Total assets	$	—	$	—	$	102	$	102	$	(21	)	n/m

n/m = not meaningful

(a) We consider the applicable valuation or loan loss allowance to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation or loan loss allowance.

(b) Represents the portion of the portfolio specifically impaired during 2016. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(c) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

	Nonrecurring fair value measurements								Lower-of-cost or fair value or valuation reserve allowance			Total gain included in earnings for the three months ended
March 31, 2015 ($ in millions)	Level 1		Level 2		Level 3		Total
Assets
Loans held-for-sale
Automotive	$	—	$	—	$	1,500	$	1,500	$	(8	)	n/m	(a)
Mortgage	—		—		28		28		(5		)	n/m	(a)
Other	—		—		17		17		—			n/m	(a)
Total loans held-for-sale	—		—		1,545		1,545		(13		)	n/m	(a)
Commercial finance receivables and loans, net (b)
Automotive	—		—		26		26		(7		)	n/m	(a)
Other	—		—		18		18		(8		)	n/m	(a)
Total commercial finance receivables and loans, net	—		—		44		44		(15		)	n/m	(a)
Other assets
Repossessed and foreclosed assets (c)	—		—		8		8		(2		)	n/m	(a)
Other	—		—		2		2		—			n/m	(a)
Total assets	$	—	$	—	$	1,599	$	1,599	$	(30	)	n/m

n/m = not meaningful

(a) We consider the applicable valuation or loan loss allowance to be the most relevant indicator of the impact on earnings caused by the fair value measurement. Accordingly, the table above excludes total gains and losses included in earnings for these items. The carrying values are inclusive of the respective valuation or loan loss allowance.

(b) Represents the portion of the portfolio specifically impaired during 2015. The related valuation allowance represents the cumulative adjustment to fair value of those specific receivables.

(c) The allowance provided for repossessed and foreclosed assets represents any cumulative valuation adjustment recognized to adjust the assets to fair value.

Fair Value Measurements - Nonrecurring Fair Value Inputs [Table Text Block]

The following table presents quantitative information regarding the significant unobservable inputs used in significant Level 3 assets measured at fair value on a nonrecurring basis.

March 31, 2015 ($ in millions)	Level 3 nonrecurring measurements		Valuation technique	Unobservable input	Weighted average/range
Assets
Automotive loans held-for-sale, net	$	1,500	Discounted cash flow	Prepayment rate	1.30%
				Gross loss	0-4.80%
				Credit spread	0.58%

Fair Value of Financial Intruments [Table Text Block]

The following table presents the carrying and estimated fair value of financial instruments, except for those recorded at fair value on a recurring basis presented in the previous section of this Note titled Recurring Fair Value. When possible, we use quoted market prices to determine fair value. Where quoted market prices are not available, the fair value is internally derived based on appropriate valuation methodologies with respect to the amount and timing of future cash flows and estimated discount rates. However, considerable judgment is required in interpreting current market data to develop the market assumptions and inputs necessary to estimate fair value. As such, the actual amount received to sell an asset or the amount paid to settle a liability could differ from our estimates. Fair value information presented herein was based on information available at March 31, 2016, and December 31, 2015.

			Estimated fair value
($ in millions)	Carrying value		Level 1		Level 2		Level 3		Total
March 31, 2016
Financial assets
Held-to-maturity securities	$	118	$	—	$	118	$	—	$	118
Loans held-for-sale, net	39		—		—		39		39
Finance receivables and loans, net	109,799		—		—		110,596		110,596
Nonmarketable equity investments	733		—		706		42		748
Financial liabilities
Deposit liabilities	$	70,265	$	—	$	—	$	70,849	$	70,849
Short-term borrowings	5,365		—		—		5,365		5,365
Long-term debt	62,044		—		22,252		41,463		63,715
December 31, 2015
Financial assets
Loans held-for-sale, net	$	105	$	—	$	—	$	105	$	105
Finance receivables and loans, net	110,546		—		—		110,737		110,737
Nonmarketable equity investments	418		—		391		42		433
Financial liabilities
Deposit liabilities	$	66,478	$	—	$	—	$	66,889	$	66,889
Short-term borrowings	8,101		—		—		8,102		8,102
Long-term debt	66,234		—		23,018		45,157		68,175

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Offsetting Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2016

Offsetting [Abstract]

Offsetting Assets and Liabilities [Table Text Block]

The composition of offsetting derivative instruments, financial assets, and financial liabilities was as follows.

	Gross Amounts of Recognized Assets/(Liabilities)			Gross Amounts Offset in the Condensed Consolidated Balance Sheet		Net Amounts of Assets/(Liabilities) Presented in the Condensed Consolidated Balance Sheet
									Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet
March 31, 2016 ($ in millions)									Financial Instruments			Collateral  (a) (b) (c)			Net Amount
Assets
Derivative assets in net asset positions	$	219		$	—	$	219		$	(55	)	$	(123	)	$	41
Derivative assets in net liability positions	5			—		5			(5		)	—			—
Total assets (d)	$	224		$	—	$	224		$	(60	)	$	(123	)	$	41
Liabilities
Derivative liabilities in net liability positions	$	(63	)	$	—	$	(63	)	$	5		$	25		$	(33	)
Derivative liabilities in net asset positions	(55		)	—		(55		)	55			—			—
Derivative liabilities with no offsetting arrangements	(6		)	—		(6		)	—			—			(6		)
Total derivative liabilities (d)	(124		)	—		(124		)	60			25			(39		)
Securities sold under agreements to repurchase (e)	(725		)	—		(725		)	—			725			—
Total liabilities	$	(849	)	$	—	$	(849	)	$	60		$	750		$	(39	)

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. $3 million of noncash derivative collateral pledged to us was excluded at March 31, 2016. We do not record such collateral received on our Condensed Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $3 million at March 31, 2016. We have not sold or pledged any of the noncash collateral received under these agreements as of March 31, 2016.

(d) For additional information on derivative instruments and hedging activities, refer to Note 19.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

	Gross Amounts of Recognized Assets/(Liabilities)			Gross Amounts Offset in the Condensed Consolidated Balance Sheet		Net Amounts of Assets/(Liabilities) Presented in the Condensed Consolidated Balance Sheet
									Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet
December 31, 2015 ($ in millions)									Financial Instruments			Collateral (a) (b) (c)			Net Amount
Assets
Derivative assets in net asset positions	$	224		$	—	$	224		$	(69	)	$	(67	)	$	88
Derivative assets in net liability positions	9			—		9			(9		)	—			—
Total assets (d)	$	233		$	—	$	233		$	(78	)	$	(67	)	$	88
Liabilities
Derivative liabilities in net liability positions	$	(68	)	$	—	$	(68	)	$	9		$	2		$	(57	)
Derivative liabilities in net asset positions	(69		)	—		(69		)	69			—			—
Derivative liabilities with no offsetting arrangements	(8		)	—		(8		)	—			—			(8		)
Total derivative liabilities (d)	(145		)	—		(145		)	78			2			(65		)
Securities sold under agreements to repurchase (e)	(648		)	—		(648		)	—			648			—
Total liabilities	$	(793	)	$	—	$	(793	)	$	78		$	650		$	(65	)

(a) Financial collateral received/pledged shown as a balance based on the sum of all net asset and liability positions between Ally and each individual derivative counterparty.

(b) Amounts disclosed are limited to the financial asset or liability balance and, accordingly, exclude excess collateral received or pledged and noncash collateral received. $7 million of noncash derivative collateral pledged to us was excluded at December 31, 2015. We do not record such collateral received on our Consolidated Balance Sheet unless certain conditions are met.

(c) Certain agreements grant us the right to sell or pledge the noncash assets we receive as collateral. Noncash collateral pledged to us where the agreement grants us the right to sell or pledge the underlying assets had a fair value of $7 million at December 31, 2015. We have not sold or pledged any of the noncash collateral received under these agreements as of December 31, 2015.

(d) For additional information on derivative instruments and hedging activities, refer to Note 19.

(e) For additional information on securities sold under agreements to repurchase, refer to Note 12.

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Segment And Geographic Information (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Financial information for our reportable operating segments is summarized as follows.

Three months ended March 31, ($ in millions)	Automotive Finance operations		Insurance operations		Mortgage Finance operations		Corporate Finance operations			Corporate and Other			Consolidated (a)
2016
Net financing revenue (loss)	$	896	$	14	$	20	$	28		$	(7	)	$	951
Other revenue	77		254		—		6			39			376
Total net revenue	973		268		20		34			32			1,327
Provision for loan losses	209		—		3		6			2			220
Total noninterest expense	427		218		15		17			33			710
Income (loss) from continuing operations before income tax expense	$	337	$	50	$	2	$	11		$	(3	)	$	397
Total assets	$	112,289	$	7,194	$	7,493	$	2,839		$	26,690		$	156,505
2015
Net financing revenue (loss)	$	809	$	12	$	11	$	20		$	(2	)	$	850
Other revenue (loss)	52		268		—		6			(83		)	243
Total net revenue (loss)	861		280		11		26			(85		)	1,093
Provision for loan losses	127		—		2		(5		)	(8		)	116
Total noninterest expense	428		202		8		14			43			695
Income (loss) from continuing operations before income tax expense	$	306	$	78	$	1	$	17		$	(120	)	$	282
Total assets	$	111,149	$	7,242	$	3,941	$	1,976		$	29,016		$	153,324

(a) Net financing revenue after the provision for loan losses totaled $731 million and $734 million for the three months endedMarch 31, 2016, and 2015, respectively.

Information Concerning Principal Geographic Areas [Table Text Block]

Information concerning principal geographic areas was as follows.

Three months ended March 31, ($ in millions)	Revenue (a)		Income from continuing operations before income tax expense		Net income (loss) (b)
2016
Canada	$	21	$	10	$	8
Europe	—		—		(1		)
Total foreign (c)	21		10		7
Total domestic (d)	1,306		387		243
Total	$	1,327	$	397	$	250
2015
Canada	$	24	$	11	$	8
Europe	1		4		11
Asia-Pacific	—		—		452
Total foreign (c)	25		15		471
Total domestic (d)	1,068		267		105
Total	$	1,093	$	282	$	576

(a) Revenue consists of net financing revenue and total other revenue as presented in our Condensed Consolidated Financial Statements.

(b) Gain (loss) realized on sale of discontinued operations are allocated to the geographic area in which the business operated.

(c) Our foreign operations as of March 31, 2016, and March 31, 2015, consist of our ongoing Insurance operations in Canada and our remaining international entities in wind-down.

(d) Amounts include eliminations between our domestic and foreign operations.

XML

Parent And Guarantor Consolidating Financial Statements (Tables)

3 Months Ended

Mar. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Condensed Income Statement [Table Text Block]

Condensed Consolidating Statements of Comprehensive Income

Three months ended March 31, 2016 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	(38	)	$	—	$	1,273		$	—		$	1,235
Interest and fees on finance receivables and loans — intercompany	3			—		2			(5		)	—
Interest and dividends on investment securities	—			—		102			—			102
Interest on cash and cash equivalents	1			—		2			—			3
Interest-bearing cash — intercompany	—			—		2			(2		)	—
Operating leases	5			—		764			—			769
Total financing revenue and other interest income	(29		)	—		2,145			(7		)	2,109
Interest expense
Interest on deposits	2			—		191			—			193
Interest on short-term borrowings	10			—		3			—			13
Interest on long-term debt	289			—		153			—			442
Interest on intercompany debt	4			—		3			(7		)	—
Total interest expense	305			—		350			(7		)	648
Depreciation expense on operating lease assets	4			—		506			—			510
Net financing (loss) revenue	(338		)	—		1,289			—			951
Cash dividends from subsidiaries
Nonbank subsidiaries	482			—		—			(482		)	—
Other revenue
Servicing fees	296			—		211			(494		)	13
Insurance premiums and service revenue earned	—			—		230			—			230
(Loss) gain on mortgage and automotive loans, net	(3		)	—		4			—			1
Loss on extinguishment of debt	(2		)	—		(2		)	—			(4		)
Other gain on investments, net	—			—		54			—			54
Other income, net of losses	78			—		6			(2		)	82
Total other revenue	369			—		503			(496		)	376
Total net revenue	513			—		1,792			(978		)	1,327
Provision for loan losses	60			—		160			—			220
Noninterest expense
Compensation and benefits expense	147			—		105			—			252
Insurance losses and loss adjustment expenses	—			—		73			—			73
Other operating expenses	340			—		542			(497		)	385
Total noninterest expense	487			—		720			(497		)	710
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	(34		)	—		912			(481		)	397
Income tax (benefit) expense from continuing operations	(43		)	—		193			—			150
Net (loss) income from continuing operations	9			—		719			(481		)	247
Income (loss) from discontinued operations, net of tax	6			—		(3		)	—			3
Undistributed income of subsidiaries
Bank subsidiary	270			270		—			(540		)	—
Nonbank subsidiaries	(35		)	—		—			35			—
Net income	250			270		716			(986		)	250
Other comprehensive income, net of tax	146			84		151			(235		)	146
Comprehensive income	$	396		$	354	$	867		$	(1,221	)	$	396

Three months ended March 31, 2015 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Financing revenue and other interest income
Interest and fees on finance receivables and loans	$	4		$	—	$	1,070		$	—		$	1,074
Interest and fees on finance receivables and loans — intercompany	10			—		16			(26		)	—
Interest on loans held-for-sale	—			—		24			—			24
Interest and dividends on investment securities	—			—		88			—			88
Interest on cash and cash equivalents	—			—		2			—			2
Interest-bearing cash - intercompany	—			—		2			(2		)	—
Operating leases	—			—		896			—			896
Total financing revenue and other interest income	14			—		2,098			(28		)	2,084
Interest expense
Interest on deposits	3			—		169			—			172
Interest on short-term borrowings	10			—		1			—			11
Interest on long-term debt	292			—		137			—			429
Interest on intercompany debt	19			—		9			(28		)	—
Total interest expense	324			—		316			(28		)	612
Depreciation expense on operating lease assets	—			—		622			—			622
Net financing (loss) revenue	(310		)	—		1,160			—			850
Cash dividends from subsidiaries
Bank subsidiaries	125			125		—			(250		)	—
Nonbank subsidiaries	238			—		—			(238		)	—
Other revenue
Servicing fees	279			—		204			(473		)	10
Insurance premiums and service revenue earned	—			—		233			—			233
(Loss) gain on mortgage and automotive loans, net	(8		)	—		54			—			46
Loss on extinguishment of debt	(197		)	—		(1		)	—			(198		)
Other gain on investments, net	—			—		55			—			55
Other income, net of losses	72			—		152			(127		)	97
Total other revenue	146			—		697			(600		)	243
Total net revenue	199			125		1,857			(1,088		)	1,093
Provision for loan losses	100			—		16			—			116
Noninterest expense
Compensation and benefits expense	154			—		225			(124		)	255
Insurance losses and loss adjustment expenses	—			—		56			—			56
Other operating expenses	310			—		550			(476		)	384
Total noninterest expense	464			—		831			(600		)	695
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	(365		)	125		1,010			(488		)	282
Income tax (benefit) expense from continuing operations	(115		)	—		218			—			103
Net (loss) income from continuing operations	(250		)	125		792			(488		)	179
Income from discontinued operations, net of tax	387			—		10			—			397
Undistributed income of subsidiaries
Bank subsidiary	180			180		—			(360		)	—
Nonbank subsidiaries	259			—		—			(259		)	—
Net income	576			305		802			(1,107		)	576
Other comprehensive loss, net of tax	31			42		47			(89		)	31
Comprehensive income	$	607		$	347	$	849		$	(1,196	)	$	607

Condensed Balance Sheet [Table Text Block]

Condensed Consolidating Balance Sheet

March 31, 2016 ($ in millions)	Parent (a)			Guarantors		Nonguarantors (a)			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	1,045		$	—	$	861		$	—		$	1,906
Interest-bearing	700			—		2,395			—			3,095
Interest-bearing — intercompany	—			—		737			(737		)	—
Total cash and cash equivalents	1,745			—		3,993			(737		)	5,001
Available-for-sale securities	—			—		18,180			—			18,180
Held-to-maturity securities	—			—		118			—			118
Loans held-for-sale, net	—			—		39			—			39
Finance receivables and loans, net
Finance receivables and loans, net	3,282			—		107,594			—			110,876
Intercompany loans to
Bank subsidiary	775			—		—			(775		)	—
Nonbank subsidiaries	2,322			—		604			(2,926		)	—
Allowance for loan losses	(82		)	—		(995		)	—			(1,077		)
Total finance receivables and loans, net	6,297			—		107,203			(3,701		)	109,799
Investment in operating leases, net	70			—		14,888			—			14,958
Intercompany receivables from
Bank subsidiary	316			—		—			(316		)	—
Nonbank subsidiaries	141			—		41			(182		)	—
Investment in subsidiaries
Bank subsidiary	16,856			16,856		—			(33,712		)	—
Nonbank subsidiaries	10,500			11		—			(10,511		)	—
Premiums receivable and other insurance assets	—			—		1,852			(24		)	1,828
Other assets	4,697			—		4,951			(3,066		)	6,582
Total assets	$	40,622		$	16,867	$	151,265		$	(52,249	)	$	156,505
Liabilities
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	92		$	—		$	92
Interest-bearing	218			—		69,955			—			70,173
Total deposit liabilities	218			—		70,047			—			70,265
Short-term borrowings	3,640			—		1,725			—			5,365
Long-term debt	20,676			—		41,368			—			62,044
Intercompany debt to
Nonbank subsidiaries	1,341			—		3,097			(4,438		)	—
Intercompany payables to
Bank subsidiary	262			—		—			(262		)	—
Nonbank subsidiaries	137			—		122			(259		)	—
Interest payable	237			—		137			—			374
Unearned insurance premiums and service revenue	—			—		2,449			—			2,449
Accrued expenses and other liabilities	288			82		4,883			(3,068		)	2,185
Total liabilities	26,799			82		123,828			(8,027		)	142,682
Total equity	13,823			16,785		27,437			(44,222		)	13,823
Total liabilities and equity	$	40,622		$	16,867	$	151,265		$	(52,249	)	$	156,505

(a) Amounts presented are based upon the legal transfer of the underlying assets to VIEs in order to reflect legal ownership.

December 31, 2015 ($ in millions)	Parent (a)			Guarantors		Nonguarantors (a)			Consolidating adjustments			Ally consolidated
Assets
Cash and cash equivalents
Noninterest-bearing	$	1,234		$	—	$	914		$	—		$	2,148
Interest-bearing	401			—		3,831			—			4,232
Interest-bearing — intercompany	—			—		850			(850		)	—
Total cash and cash equivalents	1,635			—		5,595			(850		)	6,380
Available-for-sale securities	—			—		17,157			—			17,157
Loans held-for-sale, net	—			—		105			—			105
Finance receivables and loans, net
Finance receivables and loans, net	2,636			—		108,964			—			111,600
Intercompany loans to
Bank subsidiary	600			—		—			(600		)	—
Nonbank subsidiaries	3,277			—		559			(3,836		)	—
Allowance for loan losses	(72		)	—		(982		)	—			(1,054		)
Total finance receivables and loans, net	6,441			—		108,541			(4,436		)	110,546
Investment in operating leases, net	81			—		16,190			—			16,271
Intercompany receivables from
Bank subsidiary	186			—		—			(186		)	—
Nonbank subsidiaries	259			—		282			(541		)	—
Investment in subsidiaries
Bank subsidiary	16,496			16,496		—			(32,992		)	—
Nonbank subsidiaries	10,902			11		—			(10,913		)	—
Premiums receivable and other insurance assets	—			—		1,827			(26		)	1,801
Other assets	4,785			—		4,488			(2,952		)	6,321
Total assets	$	40,785		$	16,507	$	154,185		$	(52,896	)	$	158,581
Liabilities
Deposit liabilities
Noninterest-bearing	$	—		$	—	$	89		$	—		$	89
Interest-bearing	229			—		66,160			—			66,389
Total deposit liabilities	229			—		66,249			—			66,478
Short-term borrowings	3,453			—		4,648			—			8,101
Long-term debt	21,048			—		45,186			—			66,234
Intercompany debt to
Nonbank subsidiaries	1,409			—		3,877			(5,286		)	—
Intercompany payables to
Bank subsidiary	142			—		—			(142		)	—
Nonbank subsidiaries	420			—		191			(611		)	—
Interest payable	258			—		92			—			350
Unearned insurance premiums and service revenue	—			—		2,434			—			2,434
Accrued expenses and other liabilities	387			82		4,028			(2,952		)	1,545
Total liabilities	27,346			82		126,705			(8,991		)	145,142
Total equity	13,439			16,425		27,480			(43,905		)	13,439
Total liabilities and equity	$	40,785		$	16,507	$	154,185		$	(52,896	)	$	158,581

(a) Amounts presented are based upon the legal transfer of the underlying assets to VIEs in order to reflect legal ownership.

Condensed Cash Flow Statement [Table Text Block]

Condensed Consolidating Statement of Cash Flows

Three months ended March 31, 2016 ($ in millions)	Parent			Guarantors		Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash (used in) provided by operating activities	$	(38	)	$	—	$	1,708		$	(482	)	$	1,188
Investing activities
Purchases of available-for-sale securities	—			—		(4,870		)	—			(4,870		)
Proceeds from sales of available-for-sale securities	—			—		4,175			—			4,175
Proceeds from maturities and repayments of available-for-sale securities	—			—		409			—			409
Purchases of held-to-maturity securities	—			—		(118		)	—			(118		)
Net increase in finance receivables and loans	(292		)	—		(1,794		)	—			(2,086		)
Proceeds from sales of finance receivables and loans originated as held-for-investment	—			—		2,594			—			2,594
Net change in loans — intercompany	683			—		(44		)	(639		)	—
Purchases of operating lease assets	—			—		(701		)	—			(701		)
Disposals of operating lease assets	2			—		1,533			—			1,535
Capital contributions to subsidiaries	(128		)	—		—			128			—
Returns of contributed capital	223			—		—			(223		)	—
Net change in restricted cash	—			—		48			—			48
Net change in nonmarketable equity investments	—			—		(315		)	—			(315		)
Other, net	(32		)	—		12			—			(20		)
Net cash provided by investing activities	456			—		929			(734		)	651
Financing activities
Net change in short-term borrowings — third party	187			—		(2,926		)	—			(2,739		)
Net (decrease) increase in deposits	(10		)	—		3,790			—			3,780
Proceeds from issuance of long-term debt — third party	178			—		4,066			—			4,244
Repayments of long-term debt — third party	(580		)	—		(7,910		)	—			(8,490		)
Net change in debt — intercompany	(68		)	—		(684		)	752			—
Dividends paid — third party	(15		)	—		—			—			(15		)
Dividends paid and returns of contributed capital — intercompany	—			—		(705		)	705			—
Capital contributions from parent	—			—		128			(128		)	—
Net cash used in financing activities	(308		)	—		(4,241		)	1,329			(3,220		)
Effect of exchange-rate changes on cash and cash equivalents	—			—		2			—			2
Net increase (decrease) in cash and cash equivalents	110			—		(1,602		)	113			(1,379		)
Cash and cash equivalents at beginning of year	1,635			—		5,595			(850		)	6,380
Cash and cash equivalents at March 31,	$	1,745		$	—	$	3,993		$	(737	)	$	5,001

Three months ended March 31, 2015 ($ in millions)	Parent			Guarantors			Nonguarantors			Consolidating adjustments			Ally consolidated
Operating activities
Net cash (used in) provided by operating activities	$	(189	)	$	125		$	799		$	(488	)	$	247
Investing activities
Net change in federal funds sold and securities purchased under resale agreements	—			—			(50		)	—			(50		)
Purchases of investment securities	—			—			(4,023		)	—			(4,023		)
Proceeds from sales of available-for-sale securities	—			—			1,523			—			1,523
Proceeds from maturities and repayments of investment securities	—			—			914			—			914
Net (increase) decrease in finance receivables and loans	(242		)	—			197			—			(45		)
Proceeds from sales of finance receivables and loans	—			—			1,577			—			1,577
Net change in loans — intercompany	374			—			205			(579		)	—
Purchases of operating lease assets	—			—			(1,447		)	—			(1,447		)
Disposals of operating lease assets	—			—			1,337			—			1,337
Capital contributions to subsidiaries	(24		)	—			—			24			—
Returns of contributed capital	222			—			—			(222		)	—
Proceeds from sale of business unit, net	1,049			—			—			—			1,049
Net change in restricted cash	—			—			(121		)	—			(121		)
Net change in nonmarketable equity investments	—			—			58			—			58
Other, net	(1		)	—			34			—			33
Net cash provided by investing activities	1,378			—			204			(777		)	805
Financing activities
Net change in short-term borrowings — third party	142			—			(760		)	—			(618		)
Net (decrease) increase in deposits	(9		)	—			2,656			—			2,647
Proceeds from issuance of long-term debt — third party	2,467			—			6,358			—			8,825
Repayments of long-term debt — third party	(3,161		)	—			(6,617		)	—			(9,778		)
Net change in debt — intercompany	(202		)	—			(374		)	576			—
Dividends paid — third party	(67		)	—			—			—			(67		)
Dividends paid and returns of contributed capital — intercompany	—			(125		)	(586		)	711			—
Capital contributions from parent	—			—			24			(24		)	—
Net cash (used in) provided by financing activities	(830		)	(125		)	701			1,263			1,009
Effect of exchange-rate changes on cash and cash equivalents	—			—			(1		)	—			(1		)
Net increase in cash and cash equivalents	359			—			1,703			(2		)	2,060
Cash and cash equivalents at beginning of year	2,286			—			3,905			(615		)	5,576
Cash and cash equivalents at March 31,	$	2,645		$	—		$	5,608		$	(617	)	$	7,636

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Discontinued and Held-for-sale Operations (Selected Income Statement Information for Discontinued Operations) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Automotive Finance Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sold Interest in Joint Venture		40.00%
Equity Method Investment, Realized Gain (Loss) on Disposal		$ 400
Pretax income (loss) including direct costs to transact a sale	$ 1	458
Tax (benefit) expense - Discontinued Operations	0	65
Other Segments [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pretax income (loss) including direct costs to transact a sale	3	2
Tax (benefit) expense - Discontinued Operations	$ 1	$ (2)

XML

Other Income, Net Of Losses (Schedule of Other Income, Net Of Losses) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Nonoperating Income (Expense) [Abstract]
Remarketing Fees	$ 28	$ 28
Fees and Commissions, Other	25	22
Income (Loss) from Equity Method Investments	6	33
Other Income	23	14
Other income, net of losses	$ 82	$ 97

XML

Other Operating Expenses (Schedule Of Other Operating Expenses) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Expenses [Abstract]
Insurance Commissions	$ 94	$ 93
Communications and Information Technology	66	69
Lease And Loan Administration	32	29
Marketing and Advertising Expense	27	31
Professional Fees	24	20
Vehicle remarketing and repossession	24	18
Depreciation, Nonproduction	21	20
Regulatory and licensing fees	21	21
Occupancy, Net	13	12
Non-Income Taxes	9	8
Other Cost and Expense, Operating	54	63
Total other operating expenses	$ 385	$ 384

XML

Investment Securities (Investment Table) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	$ 18,146	$ 17,350
Available-for-sale Securities, Gross Unrealized Gains	211	96
Available-for-sale Securities, Gross Unrealized Losses	(177)	(289)
Available-for-sale securities	18,180	17,157
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	118	0
Total agency backed bonds	9,585	7,544
Deposit Assets	15	14
Financial Instruments Owned and Pledged as Collateral, Amount Eligible to be Repledged by Counterparty	764	745
Pledged Assets Separately Reported, Securities Pledged for Federal Home Loan Bank, at Fair Value	764	2,506
Cash Equivalents, at Carrying Value	1,400	1,000
Held-to-maturity Securities, Fair Value	118	0
Held-to-maturity Securities [Member]
Schedule of Investments [Line Items]
Unrealized Gain on Securities	0	0
Unrealized Gain (Loss) on Investments	0	0
Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Debt Securities, Amortized Cost Basis	17,356	16,542
Available-for-sale Debt Securities Gross Unrealized Gain	199	93
Available-for-sale Debt Securities, Gross Unrealized Loss	(91)	(195)
Available-for-sale Securities, Debt Securities	17,464	16,440
US Treasury and Government [Member]
Schedule of Investments [Line Items]
Available-for-sale Debt Securities, Amortized Cost Basis	345	1,760
Available-for-sale Debt Securities Gross Unrealized Gain	11	0
Available-for-sale Debt Securities, Gross Unrealized Loss	0	(19)
Available-for-sale Securities, Debt Securities	356	1,741
US States and Political Subdivisions Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Debt Securities, Amortized Cost Basis	721	693
Available-for-sale Debt Securities Gross Unrealized Gain	23	24
Available-for-sale Debt Securities, Gross Unrealized Loss	(1)	(1)
Available-for-sale Securities, Debt Securities	743	716
Foreign Government Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Debt Securities, Amortized Cost Basis	181	169
Available-for-sale Debt Securities Gross Unrealized Gain	10	8
Available-for-sale Debt Securities, Gross Unrealized Loss	0	0
Available-for-sale Securities, Debt Securities	191	177
Residential Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Debt Securities, Amortized Cost Basis	12,241	10,459
Available-for-sale Debt Securities Gross Unrealized Gain	129	52
Available-for-sale Debt Securities, Gross Unrealized Loss	(57)	(145)
Available-for-sale Securities, Debt Securities	12,313	10,366
Commercial Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Debt Securities, Amortized Cost Basis	515	486
Available-for-sale Debt Securities Gross Unrealized Gain	0	0
Available-for-sale Debt Securities, Gross Unrealized Loss	(15)	(5)
Available-for-sale Securities, Debt Securities	500	481
Asset-backed Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Debt Securities, Amortized Cost Basis	1,792	1,762
Available-for-sale Debt Securities Gross Unrealized Gain	0	1
Available-for-sale Debt Securities, Gross Unrealized Loss	(11)	(8)
Available-for-sale Securities, Debt Securities	1,781	1,755
Corporate Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Debt Securities, Amortized Cost Basis	1,561	1,213
Available-for-sale Debt Securities Gross Unrealized Gain	26	8
Available-for-sale Debt Securities, Gross Unrealized Loss	(7)	(17)
Available-for-sale Securities, Debt Securities	1,580	1,204
Equity Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Equity Securities, Amortized Cost Basis	790	808
Available-for-sale Equity Securities, Gross Unrealized Gain	12	3
Available-for-sale Equity Securities, Gross Unrealized Loss	(86)	(94)
Available-for-sale Securities, Equity Securities	$ 716	$ 717

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Investment Securities (Investments Classified by Contractual Maturity Date) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	$ 118	$ 0
Held-to-Maturity Debt Securities, Yield	3.20%
Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount	$ 0
Held-to-Maturity Debt Securities, Due in One Year or Less, Yield	0.00%
Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount	$ 0
Held-to-Maturity Debt Securities, Due After One Year Through Five Years, Yield	0.00%
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount	$ 0
Held-to-Maturity Debt Securities, Due After Five Years Through Ten Years, Yield	0.00%
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount	$ 118
Held-to-Maturity Securities, Due After Ten Years, Yield	3.20%
Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Securities	$ 17,464	$ 16,440
Available-for-sale debt securities, Yield	2.90%	2.70%
Available-for-sale Debt Securities, Amortized Cost Basis	$ 17,356	$ 16,542
Available-for-sale debt securities, Due in one year or less, Amount	$ 229	$ 157
Available-for-sale debt securities, Due in one year or less, Yield	2.20%	2.00%
Amortized cost of available-for-sale debt securities, Due in one year or less, Amount	$ 228	$ 156
Available-for-sale debt securities, Due after one year through five years, Amount	$ 2,175	$ 2,397
Available-for-sale debt securities, Due after one year through five years, Yield	2.40%	2.10%
Amortized cost of available-for-sale debt securities, Due after one year through five years, Amount	$ 2,167	$ 2,404
Available-for-sale debt securities, Due after five years through ten years, Amount	$ 1,564	$ 2,424
Available-for-sale debt securities, Due after five years through ten years, Yield	2.90%	2.50%
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Amortized Cost Basis	$ 1,539	$ 2,436
Available-for-sale debt securities, Due after ten years, Amount	$ 13,496	$ 11,462
Available-for-sale debt securities, Due after ten years, Yield	3.00%	2.90%
Amortized cost of available-for-sale debt securities, Due after ten years, Amount	$ 13,422	$ 11,546
US Treasury and Government [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Securities	$ 356	$ 1,741
Available-for-sale debt securities, Yield	2.10%	1.80%
Available-for-sale Debt Securities, Amortized Cost Basis	$ 345	$ 1,760
Available-for-sale debt securities, Due in one year or less, Amount	$ 8	$ 6
Available-for-sale debt securities, Due in one year or less, Yield	4.80%	5.10%
Available-for-sale debt securities, Due after one year through five years, Amount	$ 91	$ 510
Available-for-sale debt securities, Due after one year through five years, Yield	1.60%	1.20%
Available-for-sale debt securities, Due after five years through ten years, Amount	$ 257	$ 1,225
Available-for-sale debt securities, Due after five years through ten years, Yield	2.20%	2.10%
Available-for-sale debt securities, Due after ten years, Amount	$ 0	$ 0
Available-for-sale debt securities, Due after ten years, Yield	0.00%	0.00%
US States and Political Subdivisions Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Securities	$ 743	$ 716
Available-for-sale debt securities, Yield	3.10%	3.20%
Available-for-sale Debt Securities, Amortized Cost Basis	$ 721	$ 693
Available-for-sale debt securities, Due in one year or less, Amount	$ 150	$ 86
Available-for-sale debt securities, Due in one year or less, Yield	1.90%	1.30%
Available-for-sale debt securities, Due after one year through five years, Amount	$ 44	$ 37
Available-for-sale debt securities, Due after one year through five years, Yield	1.70%	2.20%
Available-for-sale debt securities, Due after five years through ten years, Amount	$ 106	$ 141
Available-for-sale debt securities, Due after five years through ten years, Yield	3.10%	2.80%
Available-for-sale debt securities, Due after ten years, Amount	$ 443	$ 452
Available-for-sale debt securities, Due after ten years, Yield	3.60%	3.70%
Foreign Government Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Securities	$ 191	$ 177
Available-for-sale debt securities, Yield	2.60%	2.60%
Available-for-sale Debt Securities, Amortized Cost Basis	$ 181	$ 169
Available-for-sale debt securities, Due in one year or less, Amount	$ 10	$ 9
Available-for-sale debt securities, Due in one year or less, Yield	1.50%	1.90%
Available-for-sale debt securities, Due after one year through five years, Amount	$ 74	$ 77
Available-for-sale debt securities, Due after one year through five years, Yield	2.90%	2.80%
Available-for-sale debt securities, Due after five years through ten years, Amount	$ 107	$ 91
Available-for-sale debt securities, Due after five years through ten years, Yield	2.50%	2.60%
Available-for-sale debt securities, Due after ten years, Amount	$ 0	$ 0
Available-for-sale debt securities, Due after ten years, Yield	0.00%	0.00%
Residential Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Securities	$ 12,313	$ 10,366
Available-for-sale debt securities, Yield	3.00%	2.90%
Available-for-sale Debt Securities, Amortized Cost Basis	$ 12,241	$ 10,459
Available-for-sale debt securities, Due in one year or less, Amount	$ 0	$ 0
Available-for-sale debt securities, Due in one year or less, Yield	0.00%	0.00%
Available-for-sale debt securities, Due after one year through five years, Amount	$ 1	$ 33
Available-for-sale debt securities, Due after one year through five years, Yield	4.50%	2.10%
Available-for-sale debt securities, Due after five years through ten years, Amount	$ 31	$ 36
Available-for-sale debt securities, Due after five years through ten years, Yield	2.50%	2.50%
Available-for-sale debt securities, Due after ten years, Amount	$ 12,281	$ 10,297
Available-for-sale debt securities, Due after ten years, Yield	3.00%	2.90%
Commercial Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Securities	$ 500	$ 481
Available-for-sale debt securities, Yield	2.30%	2.00%
Available-for-sale Debt Securities, Amortized Cost Basis	$ 515	$ 486
Available-for-sale debt securities, Due in one year or less, Amount	$ 0	$ 0
Available-for-sale debt securities, Due in one year or less, Yield	0.00%	0.00%
Available-for-sale debt securities, Due after one year through five years, Amount	$ 0	$ 0
Available-for-sale debt securities, Due after one year through five years, Yield	0.00%	0.00%
Available-for-sale debt securities, Due after five years through ten years, Amount	$ 3	$ 3
Available-for-sale debt securities, Due after five years through ten years, Yield	2.70%	2.70%
Available-for-sale debt securities, Due after ten years, Amount	$ 497	$ 478
Available-for-sale debt securities, Due after ten years, Yield	2.30%	2.00%
Asset-backed Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Securities	$ 1,781	$ 1,755
Available-for-sale debt securities, Yield	2.50%	2.30%
Available-for-sale Debt Securities, Amortized Cost Basis	$ 1,792	$ 1,762
Available-for-sale debt securities, Due in one year or less, Amount	$ 0	$ 6
Available-for-sale debt securities, Due in one year or less, Yield	0.00%	1.40%
Available-for-sale debt securities, Due after one year through five years, Amount	$ 1,061	$ 1,027
Available-for-sale debt securities, Due after one year through five years, Yield	2.30%	2.10%
Available-for-sale debt securities, Due after five years through ten years, Amount	$ 479	$ 518
Available-for-sale debt securities, Due after five years through ten years, Yield	2.90%	2.60%
Available-for-sale debt securities, Due after ten years, Amount	$ 241	$ 204
Available-for-sale debt securities, Due after ten years, Yield	2.40%	2.20%
Corporate Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Securities	$ 1,580	$ 1,204
Available-for-sale debt securities, Yield	2.90%	2.90%
Available-for-sale Debt Securities, Amortized Cost Basis	$ 1,561	$ 1,213
Available-for-sale debt securities, Due in one year or less, Amount	$ 61	$ 50
Available-for-sale debt securities, Due in one year or less, Yield	2.90%	3.00%
Available-for-sale debt securities, Due after one year through five years, Amount	$ 904	$ 713
Available-for-sale debt securities, Due after one year through five years, Yield	2.60%	2.50%
Available-for-sale debt securities, Due after five years through ten years, Amount	$ 581	$ 410
Available-for-sale debt securities, Due after five years through ten years, Yield	3.30%	3.40%
Available-for-sale debt securities, Due after ten years, Amount	$ 34	$ 31
Available-for-sale debt securities, Due after ten years, Yield	5.30%	5.40%

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Investment Securities (Investment Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Taxable interest	$ 94	$ 80
Taxable dividends	4	5
Interest and dividends exempt from U.S. federal income tax	4	3
Interest and dividends on available-for-sale investment securities	$ 102	$ 88

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Investment Securities (Schedule Of Realized Gain (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Available-for-sale Securities [Abstract]
Available-for-sale Securities, Gross Realized Gains	$ 54	$ 60
Available-for-sale Securities, Gross Realized Losses	0	(3)
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities	0	(2)
Available-for-sale Securities, Gross Realized Gain (Loss)	$ 54	$ 55

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Investment Securities (Schedule of Unrealized Loss on Investments) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Fair value Less than 12 months	$ 3,550	$ 8,511
Available-for-sale Securities, Unrealized Loss Less than 12 months	(72)	(139)
Available-for-sale Securities, Fair value 12 months or longer	2,728	2,798
Available-for-sale Securities, Unrealized Loss 12 months or longer	(105)	(150)
Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Fair value Less than 12 months	3,214	7,977
Available-for-sale Securities, Unrealized Loss Less than 12 months	(33)	(85)
Available-for-sale Securities, Fair value 12 months or longer	2,580	2,702
Available-for-sale Securities, Unrealized Loss 12 months or longer	(58)	(110)
US Treasury and Government [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Fair value Less than 12 months	0	1,553
Available-for-sale Securities, Unrealized Loss Less than 12 months	0	(17)
Available-for-sale Securities, Fair value 12 months or longer	0	173
Available-for-sale Securities, Unrealized Loss 12 months or longer	0	(2)
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Fair value Less than 12 months	248	179
Available-for-sale Securities, Unrealized Loss Less than 12 months	(1)	(1)
Available-for-sale Securities, Fair value 12 months or longer	0	0
Available-for-sale Securities, Unrealized Loss 12 months or longer	0	0
Foreign Government Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Fair value Less than 12 months	0	2
Available-for-sale Securities, Unrealized Loss Less than 12 months	0	0
Available-for-sale Securities, Fair value 12 months or longer	0	0
Available-for-sale Securities, Unrealized Loss 12 months or longer	0	0
Residential Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Fair value Less than 12 months	1,336	4,096
Available-for-sale Securities, Unrealized Loss Less than 12 months	(16)	(43)
Available-for-sale Securities, Fair value 12 months or longer	2,448	2,453
Available-for-sale Securities, Unrealized Loss 12 months or longer	(56)	(107)
Asset-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Fair value Less than 12 months	1,339	1,402
Available-for-sale Securities, Unrealized Loss Less than 12 months	(10)	(8)
Available-for-sale Securities, Fair value 12 months or longer	118	64
Available-for-sale Securities, Unrealized Loss 12 months or longer	(1)	0
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Fair value Less than 12 months	291	745
Available-for-sale Securities, Unrealized Loss Less than 12 months	(6)	(16)
Available-for-sale Securities, Fair value 12 months or longer	14	12
Available-for-sale Securities, Unrealized Loss 12 months or longer	(1)	(1)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Fair value Less than 12 months	336	534
Available-for-sale Securities, Unrealized Loss Less than 12 months	(39)	(54)
Available-for-sale Securities, Fair value 12 months or longer	148	96
Available-for-sale Securities, Unrealized Loss 12 months or longer	$ (47)	$ (40)

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Finance Receivables And Loans, Net (Schedule of Accounts, Notes, Loans and Financing Receivables) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	$ 110,876	$ 99,856	$ 111,600
Interest and Fee Income, Loans and Leases	1,235	1,074
Loans and Finance Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums	(198)		(110)
Designated as Hedging Instrument [Member] | Gain (Loss) Recognized in Earnings on Hedged Item [Member] | Interest Rate Contract [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest and Fee Income, Loans and Leases	(28)	(33)
Fair Value Option Election, Fair Value [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	110,876		111,600
Consumer Portfolio Segment [Member] | Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	73,688		74,065
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	63,013	57,447	64,292
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Fair Value Option Election, Fair Value [Member] | Designated as Hedging Instrument [Member] | Gain (Loss) Recognized in Earnings on Hedged Item [Member] | Interest Rate Contract [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest and Fee Income, Loans and Leases	87		66
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	10,675	7,652	9,773
Consumer Portfolio Segment [Member] | Mortgage Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	7,443		6,413
Held For Investment Mortgage Finance Receivables Interest Only Mortgage Loans	$ 41		44
Consumer Portfolio Segment [Member] | Mortgage Finance [Member] | One year or less [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	6.00%
Consumer Portfolio Segment [Member] | Mortgage Finance [Member] | Two years or less [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	3.00%
Consumer Portfolio Segment [Member] | Mortgage Finance [Member] | Three years or less [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	0.00%
Consumer Portfolio Segment [Member] | Mortgage Finance [Member] | Four years or less [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	40.00%
Consumer Portfolio Segment [Member] | Mortgage Finance [Member] | Five years or greater [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	36.00%
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	$ 3,232		3,360
Held For Investment Mortgage Finance Receivables Interest Only Mortgage Loans	$ 889		941
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member] | One year or less [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	26.00%
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member] | Two years or less [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	22.00%
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member] | Three years or less [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	2.00%
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member] | Four years or less [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	0.00%
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member] | Five years or greater [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest-only mortgage loan portfolio principal amortization	1.00%
Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	$ 37,188	$ 34,757	37,535
Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	30,829		31,469
Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	2,863		2,640
Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans, net	$ 3,496		$ 3,426

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Finance Receivables And Loans, Net (Allowance For Credit Losses On Financing Receivables) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Financing Receivable, Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, Beginning Balance	$ 1,054	$ 977
Allowance for Loan and Lease Losses, Write-offs	(263)	(215)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	84	65
Allowance for Loan and Lease Losses Write-offs, Net	(179)	(150)
Allowance for Loan and Lease Losses, Provision for Loss, Net	220	116
Allowance for Loan and Lease Losses, Adjustments, Net	(18)	(10)
Loans and Leases Receivable, Allowance, Ending Balance	1,077	933
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses, Individually evaluated for impairment	86	90
Allowance for loan losses, Collectively evaluated for impairment	991	843
Finance receivables and loans, net	110,876	99,856	$ 111,600
Financing Receivable, Individually Evaluated for Impairment	688	596
Financing receivable, Collectively evaluated for impairment	110,188	99,260
Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Financing Receivable, Allowance for Credit Losses	0	0
Finance receivables and loans, net	0	0
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, Beginning Balance	834	685
Allowance for Loan and Lease Losses, Write-offs	(253)	(193)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	80	61
Allowance for Loan and Lease Losses Write-offs, Net	(173)	(132)
Allowance for Loan and Lease Losses, Provision for Loss, Net	207	158
Allowance for Loan and Lease Losses, Adjustments, Net	(18)	0
Loans and Leases Receivable, Allowance, Ending Balance	850	711
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses, Individually evaluated for impairment	25	21
Allowance for loan losses, Collectively evaluated for impairment	825	690
Finance receivables and loans, net	63,013	57,447	64,292
Financing Receivable, Individually Evaluated for Impairment	337	278
Financing receivable, Collectively evaluated for impairment	62,676	57,169
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Financing Receivable, Allowance for Credit Losses	0	0
Finance receivables and loans, net	0	0
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Financing Receivable, Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, Beginning Balance	114	152
Allowance for Loan and Lease Losses, Write-offs	(10)	(22)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	4	3
Allowance for Loan and Lease Losses Write-offs, Net	(6)	(19)
Allowance for Loan and Lease Losses, Provision for Loss, Net	7	(5)
Allowance for Loan and Lease Losses, Adjustments, Net	0	(9)
Loans and Leases Receivable, Allowance, Ending Balance	115	119
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses, Individually evaluated for impairment	43	54
Allowance for loan losses, Collectively evaluated for impairment	72	65
Finance receivables and loans, net	10,675	7,652	9,773
Financing Receivable, Individually Evaluated for Impairment	261	253
Financing receivable, Collectively evaluated for impairment	10,414	7,399
Consumer Portfolio Segment [Member] | Residential Mortgage [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Financing Receivable, Allowance for Credit Losses	0	0
Finance receivables and loans, net	0	0
Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, Beginning Balance	106	140
Allowance for Loan and Lease Losses, Write-offs	0	0
Allowance for Loan and Lease Loss, Recovery of Bad Debts	0	1
Allowance for Loan and Lease Losses Write-offs, Net	0	1
Allowance for Loan and Lease Losses, Provision for Loss, Net	6	(37)
Allowance for Loan and Lease Losses, Adjustments, Net	0	(1)
Loans and Leases Receivable, Allowance, Ending Balance	112	103
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Allowance for loan losses, Individually evaluated for impairment	18	15
Allowance for loan losses, Collectively evaluated for impairment	94	88
Finance receivables and loans, net	37,188	34,757	$ 37,535
Financing Receivable, Individually Evaluated for Impairment	90	65
Financing receivable, Collectively evaluated for impairment	37,098	34,692
Commercial Portfolio Segment [Member] | Commercial Loan [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Financing Receivable, Allowance for Credit Losses	0	0
Finance receivables and loans, net	$ 0	$ 0

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Finance Receivables And Loans, Net (Schedule Of Sales Of Financing Receivables And Loans) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Significant Sales and Transfers	$ 2,601	$ 69
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Significant Sales and Transfers	2,599	0
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Significant Sales and Transfers	2	69
Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Significant Sales and Transfers	$ 0	$ 0

XML

Finance Receivables And Loans, Net Finance Receivables And Loans, Net (Schedule of Purchases of Financing Receivables and Loans) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Significant Purchases	$ 1,370	$ 654
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Significant Purchases	0	0
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Significant Purchases	$ 1,370	$ 654

XML

Finance Receivables And Loans, Net (Past Due Financing Receivables And Loans) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	$ 1,897	$ 2,414
Current	108,979	109,186
Finance receivables and loans, net	110,876	111,600	$ 99,856
Consumer Portfolio Segment [Member] | Consumer Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1,897	2,414
Current	71,791	71,651
Finance receivables and loans, net	73,688	74,065
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1,689	2,209
Current	61,324	62,083
Finance receivables and loans, net	63,013	64,292	57,447
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	208	205
Current	10,467	9,568
Finance receivables and loans, net	10,675	9,773	7,652
Consumer Portfolio Segment [Member] | Mortgage Finance [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	76	59
Current	7,367	6,354
Finance receivables and loans, net	7,443	6,413
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	132	146
Current	3,100	3,214
Finance receivables and loans, net	3,232	3,360
Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Current	37,188	37,535
Finance receivables and loans, net	37,188	37,535	$ 34,757
Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Current	30,829	31,469
Finance receivables and loans, net	30,829	31,469
Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Current	2,863	2,640
Finance receivables and loans, net	2,863	2,640
Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Current	3,496	3,426
Finance receivables and loans, net	3,496	3,426
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1,338	1,715
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Consumer Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1,338	1,715
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1,227	1,618
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	111	97
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Mortgage Finance [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	65	44
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	46	53
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	266	394
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Consumer Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	266	394
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	247	369
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	19	25
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Mortgage Finance [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	3	5
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	16	20
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	293	305
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Consumer Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	293	305
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	215	222
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	78	83
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Mortgage Finance [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	8	10
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	70	73
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	$ 0	$ 0

XML

Finance Receivables And Loans, Net (Schedule of Financing Receivables, Non Accrual Status) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans on nonaccrual status	$ 698	$ 680
Consumer Portfolio Segment [Member] | Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans on nonaccrual status	608	603
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans on nonaccrual status	492	475
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans on nonaccrual status	116	128
Consumer Portfolio Segment [Member] | Mortgage Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans on nonaccrual status	11	15
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans on nonaccrual status	105	113
Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans on nonaccrual status	90	77
Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans on nonaccrual status	19	25
Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans on nonaccrual status	66	44
Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance receivables and loans on nonaccrual status	$ 5	$ 8

XML

Finance Receivables And Loans, Net (Financing Receivable Credit Quality Indicators - Performing and Nonperforming) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	$ 110,876	$ 111,600	$ 99,856
Consumer Portfolio Segment [Member] | Consumer Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	73,688	74,065
Consumer Portfolio Segment [Member] | Consumer Loan [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	73,080	73,462
Consumer Portfolio Segment [Member] | Consumer Loan [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	608	603
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	63,013	64,292	57,447
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	62,521	63,817
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	492	475
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	10,675	9,773	$ 7,652
Consumer Portfolio Segment [Member] | Residential Mortgage [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	10,559	9,645
Consumer Portfolio Segment [Member] | Residential Mortgage [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	116	128
Consumer Portfolio Segment [Member] | Mortgage Finance [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	7,443	6,413
Consumer Portfolio Segment [Member] | Mortgage Finance [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	7,432	6,398
Consumer Portfolio Segment [Member] | Mortgage Finance [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	11	15
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	3,232	3,360
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	3,127	3,247
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	$ 105	$ 113

XML

Finance Receivables And Loans, Net (Schedule Of Pass And Criticized Credit Quality Indicators Of Finance Receivables) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	$ 110,876	$ 111,600	$ 99,856
Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	37,188	37,535	$ 34,757
Commercial Portfolio Segment [Member] | Commercial Loan [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	34,486	35,000
Commercial Portfolio Segment [Member] | Commercial Loan [Member] | Criticized [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	2,702	2,535
Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	30,829	31,469
Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	29,008	29,613
Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member] | Criticized [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	1,821	1,856
Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	2,863	2,640
Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	2,144	2,122
Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member] | Criticized [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	719	518
Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	3,496	3,426
Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	3,334	3,265
Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member] | Criticized [Member]
Financing Receivable, Recorded Investment [Line Items]
Finance receivables and loans, net	$ 162	$ 161

XML

Finance Receivables And Loans, Net (Impaired Financing Receivables) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	$ 742	$ 661
Carrying value before allowance	688	658
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	208	69
Impaired Financing Receivable, with Related Allowance, Recorded Investment	480	589
Impaired Financing Receivable, Related Allowance	86	86
Consumer Portfolio Segment [Member] | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	640	584
Carrying value before allowance	598	581
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	181	64
Impaired Financing Receivable, with Related Allowance, Recorded Investment	417	517
Impaired Financing Receivable, Related Allowance	68	66
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	375	315
Carrying value before allowance	337	315
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	118	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	219	315
Impaired Financing Receivable, Related Allowance	25	22
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	265	269
Carrying value before allowance	261	266
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	63	64
Impaired Financing Receivable, with Related Allowance, Recorded Investment	198	202
Impaired Financing Receivable, Related Allowance	43	44
Consumer Portfolio Segment [Member] | Mortgage Finance [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	9	9
Carrying value before allowance	8	9
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	4	5
Impaired Financing Receivable, with Related Allowance, Recorded Investment	4	4
Impaired Financing Receivable, Related Allowance	1	1
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	256	260
Carrying value before allowance	253	257
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	59	59
Impaired Financing Receivable, with Related Allowance, Recorded Investment	194	198
Impaired Financing Receivable, Related Allowance	42	43
Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	102	77
Carrying value before allowance	90	77
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	27	5
Impaired Financing Receivable, with Related Allowance, Recorded Investment	63	72
Impaired Financing Receivable, Related Allowance	18	20
Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	19	25
Carrying value before allowance	19	25
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	3	4
Impaired Financing Receivable, with Related Allowance, Recorded Investment	16	21
Impaired Financing Receivable, Related Allowance	2	3
Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	78	44
Carrying value before allowance	66	44
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	23	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	43	44
Impaired Financing Receivable, Related Allowance	15	15
Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	5	8
Carrying value before allowance	5	8
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1	1
Impaired Financing Receivable, with Related Allowance, Recorded Investment	4	7
Impaired Financing Receivable, Related Allowance	$ 1	$ 2

XML

Finance Receivables And Loans, Net (Schedule of Average Balance And Interest Income Of Impaired Finance Receivables) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Consumer Portfolio Segment [Member] | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	$ 590	$ 601
Impaired Financing Receivable, Interest Income, Accrual Method	6	6
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	326	290
Impaired Financing Receivable, Interest Income, Accrual Method	4	4
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	264	311
Impaired Financing Receivable, Interest Income, Accrual Method	2	2
Consumer Portfolio Segment [Member] | Mortgage Finance [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	9	7
Impaired Financing Receivable, Interest Income, Accrual Method	0	0
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	255	304
Impaired Financing Receivable, Interest Income, Accrual Method	2	2
Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	668	679
Impaired Financing Receivable, Interest Income, Accrual Method	7	9
Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	78	78
Impaired Financing Receivable, Interest Income, Accrual Method	1	3
Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	23	34
Impaired Financing Receivable, Interest Income, Accrual Method	0	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	49	40
Impaired Financing Receivable, Interest Income, Accrual Method	1	3
Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Average Recorded Investment	6	4
Impaired Financing Receivable, Interest Income, Accrual Method	$ 0	$ 0

XML

Finance Receivables and Loans, Net (Troubled Debt Restructurings) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 641		$ 625
Loans and Leases Receivable, Impaired, Commitment to Lend	$ 3		$ 2
Financing Receivable, Modifications, Number of Contracts	5,654	4,095
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 94	$ 70
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 81	$ 59
Consumer Portfolio Segment [Member] | Consumer Loan [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	5,654	4,095
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 94	$ 70
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 81	$ 59
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	5,622	4,055
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 89	$ 63
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 76	$ 53
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	32	40
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 5	$ 7
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 5	$ 6
Consumer Portfolio Segment [Member] | Mortgage Finance [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	2
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1	$ 1
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 1	$ 1
Consumer Portfolio Segment [Member] | Mortgage - Legacy [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	31	38
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 4	$ 6
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 4	$ 5
Commercial Portfolio Segment [Member] | Commercial Loan [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 0
Commercial Portfolio Segment [Member] | Commercial And Industrial Automobile [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 0
Commercial Portfolio Segment [Member] | Commercial And Industrial Other [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 0
Commercial Portfolio Segment [Member] | Commercial Real Estate Automobile [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 0

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Finance Receivables And Loans, Net (Redefaults) (Details) - Consumer Portfolio Segment [Member] $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1,801	1,585
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 23	$ 19
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down	$ 12	$ 11
Automobile Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1,800	1,581
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 23	$ 19
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down	$ 12	$ 11
Mortgage Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down	$ 0	$ 0
Mortgage - Legacy [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	4
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down	$ 0	$ 0

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Investment In Operating Leases, Net (Investments In Operating Leases) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Leases, Operating [Abstract]
Property Subject to or Available for Operating Lease, Gross	$ 18,784	$ 20,211
Property Subject to or Available for Operating Lease, Accumulated Depreciation	(3,826)	(3,940)
Property Subject to or Available for Operating Lease, Net	$ 14,958	$ 16,271

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Investment In Operating Leases, Net (Schedule Of Depreciation Expense On Operating Lease Assets) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Leases, Operating [Abstract]
Depreciation Expense On Operating Lease Assets	$ 565	$ 691
Gross Remarketing (Gains) Losses	(55)	(69)
Depreciation expense on operating lease assets	$ 510	$ 622

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Securitizations And Variable Interest Entities (Schedule Of Variable Interest Entities) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Variable Interest Entity [Line Items]
Total consoldiated involvement with VIEs	$ 43,474	$ 44,940
Assets of nonconsolidated variable interest entities	3,647	3,034
Maximum exposure to loss in nonconsolidated VIEs	4,195	3,527
Other assets	6,582	6,321
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Variable Interest Entity [Line Items]
Assets of nonconsolidated variable interest entities	3,647	3,034
Maximum exposure to loss in nonconsolidated VIEs	3,672	3,034
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets	25	0
Variable Interest Entity, Consolidated, Carrying Amount, Assets	27,408	27,967
Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding	10,200	10,600
Commercial Portfolio Segment [Member] | Automobile Loan [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity, Consolidated, Carrying Amount, Assets	15,817	16,763
Commercial Portfolio Segment [Member] | Other Financing Receivables [Member]
Variable Interest Entity [Line Items]
Assets of nonconsolidated variable interest entities	0	0
Maximum exposure to loss in nonconsolidated VIEs	523	493
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets	224	210
Other assets	234	222
Accrued Liabilities	$ 10	$ 12

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Securitizations And Variable Interest Entities (Schedule Of Cash Flow Received and Paid To Nonconsolidated Securitization Entities) (Details) - Consumer Portfolio Segment [Member] - Automobile Loan [Member] - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flow Received and Paid to Nonconsolidated Securitization Entities [Line Items]
Cash Flows Between Transferor and Transferee, Proceeds from New Transfers	$ 1,025
Cash Flows Between Transferor and Transferee, Servicing Fees	8	$ 7
Cash Flows Between Transferor and Transferee, Receipts on Transferor's Interest in Transferred Financial Assets, Other	$ 2

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Securitizations And Variable Interest Entities (Schedule Of Quantitative Information and Net Credit Losses about Securitized and Other Financial Assets Managed Together) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement	$ 117,531		$ 116,486
Delinquent Amount at End of Period on Loans Managed and Securitized or Asset-backed Financing Arrangement	575		721
Net Credit Losses During Period on Loans Managed or Securitized or Asset-backed Financing Arrangement	181	$ 151
On-Balance Sheet Loans [Member]
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement	110,915		111,705
Delinquent Amount at End of Period on Loans Managed and Securitized or Asset-backed Financing Arrangement	559		699
Net Credit Losses During Period on Loans Managed or Securitized or Asset-backed Financing Arrangement	179	150
On-Balance Sheet Loans [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement	63,013		64,292
Delinquent Amount at End of Period on Loans Managed and Securitized or Asset-backed Financing Arrangement	462		591
Net Credit Losses During Period on Loans Managed or Securitized or Asset-backed Financing Arrangement	173	132
On-Balance Sheet Loans [Member] | Consumer Portfolio Segment [Member] | Residential Mortgage [Member]
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement	10,675		9,773
Delinquent Amount at End of Period on Loans Managed and Securitized or Asset-backed Financing Arrangement	97		108
Net Credit Losses During Period on Loans Managed or Securitized or Asset-backed Financing Arrangement	6	19
On-Balance Sheet Loans [Member] | Commercial Portfolio Segment [Member] | Automobile Loan [Member]
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement	34,325		34,895
Delinquent Amount at End of Period on Loans Managed and Securitized or Asset-backed Financing Arrangement	0		0
Net Credit Losses During Period on Loans Managed or Securitized or Asset-backed Financing Arrangement	0	(1)
On-Balance Sheet Loans [Member] | Commercial Portfolio Segment [Member] | Other Financing Receivables [Member]
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement	2,902		2,745
Delinquent Amount at End of Period on Loans Managed and Securitized or Asset-backed Financing Arrangement	0		0
Off-Balance Sheet Loans [Member]
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement	3,139		2,529
Delinquent Amount at End of Period on Loans Managed and Securitized or Asset-backed Financing Arrangement	8		9
Net Credit Losses During Period on Loans Managed or Securitized or Asset-backed Financing Arrangement	2	1
Off-Balance Sheet Loans [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement	3,139		2,529
Delinquent Amount at End of Period on Loans Managed and Securitized or Asset-backed Financing Arrangement	8		9
Net Credit Losses During Period on Loans Managed or Securitized or Asset-backed Financing Arrangement	2	$ 1
Whole-Loan Transactions [Member]
Quantitative Information about Securitized and Other Financial Assets Managed Together [Line Items]
Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement	3,477		2,252
Delinquent Amount at End of Period on Loans Managed and Securitized or Asset-backed Financing Arrangement	$ 8		$ 13

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Servicing Activities (Schedule Of Total Serviced Automobile Loans Outstanding) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Automobile Serviced Assets [Line Items]
Servicing fees	$ 13	$ 10
Automobile Loan [Member]
Automobile Serviced Assets [Line Items]
Servicing fees	13	$ 10
Total Primary Serviced Assets	118,581		$ 119,808
Consumer Loan [Member] | On-Balance Sheet Loans [Member] | Automobile Loan [Member]
Automobile Serviced Assets [Line Items]
Total Primary Serviced Assets	62,819		64,067
Commercial Loan [Member] | On-Balance Sheet Loans [Member] | Automobile Loan [Member]
Automobile Serviced Assets [Line Items]
Total Primary Serviced Assets	34,325		34,895
Operating Leases [Member] | On-Balance Sheet Loans [Member] | Automobile Loan [Member]
Automobile Serviced Assets [Line Items]
Total Primary Serviced Assets	14,690		15,965
Other Assets [Member] | On-Balance Sheet Loans [Member] | Automobile Loan [Member]
Automobile Serviced Assets [Line Items]
Total Primary Serviced Assets	67		72
Securitizations [Member] | Off-Balance Sheet Loans [Member] | Automobile Loan [Member]
Automobile Serviced Assets [Line Items]
Total Primary Serviced Assets	3,168		2,550
Whole-Loan Transactions [Member] | Off-Balance Sheet Loans [Member] | Automobile Loan [Member]
Automobile Serviced Assets [Line Items]
Total Primary Serviced Assets	$ 3,512		$ 2,259

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Other Assets (Schedule Of Other Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Other Assets [Abstract]
Property, Plant and Equipment, Gross	$ 724	$ 691
Accumulated depreciation	(474)	(456)
Property, Plant and Equipment, Net	250	235
Restricted cash collections for securitization trusts	2,021	2,010
Deferred Tax Assets, Net	1,142	1,369
Nonmarketable equity investments	733	418
Other accounts receivable	392	158
Derivative Asset, Fair Value, Gross Asset	224	233
Cash reserve deposits held for securitization trusts	208	252
Cash and securities collateral placed with counterparties	106	125
Restricted Cash and Cash Equivalents	105	120
Other Assets, Miscellaneous	1,401	1,401
Other Assets	6,582	6,321
Federal Home Loan Bank Stock	271	391
Federal Reserve Bank Stock	$ 435	$ 0

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Deposit Liabilities (Schedule Of Deposit Liabilities) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Deposits [Abstract]
Noninterest-bearing deposit liabilities	$ 92	$ 89
Interest-bearing Deposit Liabilities, by Component [Abstract]
Deposits, Savings Deposits	39,945	36,386
Time Deposits	30,010	29,774
Deposits, Retail	218	229
Total deposit liabilities	70,265	66,478
Time Deposits, $100,000 or More	11,500	11,500
Time Deposits, $250,000 or More, Domestic	$ 3,200	$ 3,200

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Short-Term Borrowings (Schedule of Short-term Debt) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Short-term Debt [Line Items]
Demand Notes	$ 3,640	$ 3,369
Federal Home Loan Bank, Advances, Short-term	1,000	4,000
Securities Sold under Agreements to Repurchase, Gross	725	648
Other Short-term Borrowings	0	84
Short-term borrowings	5,365	8,101
Non-derivative Cash Collateral Received from Counterparties Associated with the Repurchase Agreements.	1
Non-derivative Cash Collateral Placed with Counterparties Associated with the Repurchase Agreements	2	21
Unsecured Debt [Member]
Short-term Debt [Line Items]
Demand Notes	3,640	3,369
Federal Home Loan Bank, Advances, Short-term	0	0
Securities Sold under Agreements to Repurchase, Gross	0	0
Other Short-term Borrowings	0	84
Short-term borrowings	3,640	3,453
Secured Debt [Member]
Short-term Debt [Line Items]
Demand Notes	0	0
Federal Home Loan Bank, Advances, Short-term	1,000	4,000
Securities Sold under Agreements to Repurchase, Gross	725	648
Other Short-term Borrowings	0	0
Short-term borrowings	1,725	$ 4,648
Secured Debt [Member] | Maturity up to 30 days [Member]
Short-term Debt [Line Items]
Mortgage-backed Residential Securities Sold under Agreements to Repurchase, Maturity Period	351
Secured Debt [Member] | Maturity 31 to 60 Days [Member]
Short-term Debt [Line Items]
Mortgage-backed Residential Securities Sold under Agreements to Repurchase, Maturity Period	$ 374

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Long-Term Debt (Long-Term Debt Portfolio) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	$ 13,868	$ 11,256
Long-term Debt, Excluding Current Maturities	47,669	54,647
Derivative, Amount of Hedged Item	507	331
Long-term debt	62,044	66,234
Unsecured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	4,351	1,829
Long-term Debt, Excluding Current Maturities	15,758	18,803
Derivative, Amount of Hedged Item	497	334
Long-term debt	20,606	20,966
Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	9,517	9,427
Long-term Debt, Excluding Current Maturities	31,911	35,844
Derivative, Amount of Hedged Item	10	(3)
Long-term debt	41,438	45,268
Trust Preferred Securities Subject to Mandatory Redemption [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	2,600	2,600
Federal Home Loan Bank Advances [Member]
Debt Instrument [Line Items]
Long-term debt	$ 5,400	$ 5,400

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Long-Term Debt (Scheduled Remaining Maturity Of Long-Term Debt) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
2016	$ 6,923
2017	17,005
2018	12,050
2019	8,724
2020	6,235
2021 and thereafter	10,600
Derivative, Amount of Hedged Item	507	$ 331
Long-term debt	62,044	66,234
Unsecured Debt [Member]
Debt Instrument [Line Items]
2016	1,354
2017	4,284
2018	3,602
2019	1,596
2020	2,177
2021 and thereafter	7,096
Derivative, Amount of Hedged Item	497	334
Long-term debt	20,606	20,966
Unsecured Debt [Member] | Long-term Debt [Member]
Debt Instrument [Line Items]
2016	1,412
2017	4,371
2018	3,701
2019	1,631
2020	2,213
2021 and thereafter	8,156
Derivative, Amount of Hedged Item	497
Long-term debt	21,981
Unsecured Debt [Member] | Original Issue Discount [Member]
Debt Instrument [Line Items]
2016	(58)
2017	(87)
2018	(99)
2019	(35)
2020	(36)
2021 and thereafter	(1,060)
Derivative, Amount of Hedged Item	0
Long-term debt	(1,375)
Secured Debt [Member]
Debt Instrument [Line Items]
Derivative, Amount of Hedged Item	10	(3)
Long-term debt	41,438	$ 45,268
Secured Debt [Member] | Long-term Debt [Member]
Debt Instrument [Line Items]
2016	5,569
2017	12,721
2018	8,448
2019	7,128
2020	4,058
2021 and thereafter	3,504
Derivative, Amount of Hedged Item	10
Long-term debt	$ 41,438

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Long-Term Debt (Pledged Assets Related to Secured Borrowings And Repurchase Agreement) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Pledged Assets related to secured borrowings [Line Items]
Pledged Financial Instruments, Not Separately Reported, Other Debt Securities Available-for-sale or Held-for-investment	$ 685	$ 2,420
Pledged Assets, Mortgage assets held for investment	10,614	9,743
Pledged Assets, Investment in operating leases	4,669	5,539
Pledged Assets, Not Separately Reported, Other	74	0
Pledged Assets, Other, Not Separately Reported on Statement of Financial Position	67,193	71,649
Secured Debt	43,163	49,916
Short-term borrowings	5,365	8,101
Ally Bank [Member]
Pledged Assets related to secured borrowings [Line Items]
Pledged Financial Instruments, Not Separately Reported, Other Debt Securities Available-for-sale or Held-for-investment	0	1,761
Pledged Assets, Mortgage assets held for investment	10,614	9,743
Pledged Assets, Investment in operating leases	2,644	3,205
Pledged Assets, Not Separately Reported, Other	0	0
Pledged Assets, Other, Not Separately Reported on Statement of Financial Position	40,312	43,053
Secured Debt	19,259	24,787
Pledged assets for Federal Home Loan Bank [Member] | Ally Bank [Member]
Pledged Assets related to secured borrowings [Line Items]
Pledged Assets, Other, Not Separately Reported on Statement of Financial Position	14,100	14,900
Pledged assets for Federal Reserve Bank [Member] | Ally Bank [Member]
Pledged Assets related to secured borrowings [Line Items]
Pledged Assets, Other, Not Separately Reported on Statement of Financial Position	2,900	2,900
Secured Debt [Member]
Pledged Assets related to secured borrowings [Line Items]
Short-term borrowings	1,725	4,648
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Pledged Assets related to secured borrowings [Line Items]
Pledged Assets, Not Separately Reported, Finance Receivables	32,246	34,324
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Ally Bank [Member]
Pledged Assets related to secured borrowings [Line Items]
Pledged Assets, Not Separately Reported, Finance Receivables	8,515	9,167
Commercial Portfolio Segment [Member] | Automobile Loan [Member]
Pledged Assets related to secured borrowings [Line Items]
Pledged Assets, Not Separately Reported, Finance Receivables	18,905	19,623
Commercial Portfolio Segment [Member] | Automobile Loan [Member] | Ally Bank [Member]
Pledged Assets related to secured borrowings [Line Items]
Pledged Assets, Not Separately Reported, Finance Receivables	$ 18,539	$ 19,177

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Long-Term Debt Long-Term Debt (Narrative - Trust Preferred Securities) (Details) $ / shares in Units, $ in Billions	Mar. 31, 2016 USD ($) $ / shares
Narrative - Trust Preferred Securities [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	8.125%
Preferred Stock, Liquidation Preference Per Share | $ / shares	$ 25
From and including February 15, 2016, to but excluding February 15, 2040, distributions will be payable at an annual rate equal to three-month London interbank offer rate plus:	5.785%
Ally has the right to defer payments of interest for a period not exceeding consecutive quarters of:	20
Percent of principle debt, plus accrued and unpaid interest is the redemption price if Ally redeems the Series 2 TRUPS on or after February 15, 2016.	100.00%
Fixed Income Interest Rate [Member]
Narrative - Trust Preferred Securities [Line Items]
Trust preferred securities | $	$ 2.6

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Long-Term Debt (Committed Funding Facilities) (Details) - Committed Funding Facilities [Member] - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Outstanding	$ 17,575	$ 20,164
Unused capacity	2,215	251
Total capacity	19,790	20,415
Bank Funding Member | Secured Debt [Member]
Debt Instrument [Line Items]
Outstanding	2,250	3,250
Unused capacity	1,750	0
Total capacity	4,000	3,250
Nonbank Funding [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Outstanding	15,325	16,914
Unused capacity	465	251
Total capacity	15,790	$ 17,165
Revolving secured funding facilities [Member]
Debt Instrument [Line Items]
Total capacity	19,600
Revolving secured funding facilities 1 year or greater [Member]
Debt Instrument [Line Items]
Total capacity	$ 16,200

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Accrued Expenses and Other Liabilities (Schedule of Accrued Expenses and Other Liabilities) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Accounts Payable and Accrued Liabilities [Abstract]
Accounts Payable	$ 1,082	$ 391
Liability for Claims and Claims Adjustment Expense	184	169
Accrued Employee Benefits	158	242
Cash and securities collateral placed with counterparties	126	82
Derivative Liability, Fair Value, Gross Liability	124	145
Deferred Revenue	93	108
Other Accrued Liabilities	418	408
Accrued expenses and other liabilities	$ 2,185	$ 1,545

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Preferred Stock (Schedule Of Preferred Stock) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	May. 16, 2016
Schedule of Capitalization, Equity [Line Items]
Preferred stock		$ 696	$ 696
Preferred Stock, Liquidation Preference Per Share		$ 25
Preferred Stock, Redemption Price Per Share				$ 25
Series A Preferred Stock [Member]
Schedule of Capitalization, Equity [Line Items]
Preferred Stock, Notice of Redemption		700,000,000
Preferred stock		$ 696	$ 696
Preferred stock par value (per share)		$ 0.01	$ 0.01
Preferred Stock, Liquidation Preference Per Share		$ 25	$ 25
Preferred Stock, Shares Authorized		40,870,560	40,870,560
Preferred Stock, Shares Issued and Outstanding		27,870,560	27,870,560
Preferred Stock, Dividend Rate, Percentage		8.50%	8.50%
Preferred Stock, Dividend Payment Rate, Variable		Three month LIBOR + 6.243%	Three month LIBOR + 6.243%
Stock Redeemed or Called During Period, Shares	27,870,560

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Accumulated Other Comprehensive Income (Loss) Rollforward (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Abstract]
Beginning Balance Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	$ (159)	$ (21)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent	142	52
Ending Balance Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(17)	31
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract]
Beginning Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	9	36
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	5	(21)
Ending Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	14	15
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax [Abstract]
Beginning Balance Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	8	7
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent	0	0
Ending Balance Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	8	7
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax [Abstract]
Beginning Balance Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax	(89)	(88)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent	(1)	0
Ending Balance Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax	(90)	(88)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax	(231)	(66)
Other Comprehensive Income (Loss), Net of Tax	146	31
Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (85)	$ (35)

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Accumulated Other Comprehensive Income (Loss) Before and After Tax (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, [Abstract]
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax	$ 280	$ 138
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, before Tax	54	55
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent	226	83
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax [Abstract]
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	(104)	(51)
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax	(20)	(20)
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Portion Attributable to Parent	(84)	(31)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Abstract]
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	176	87
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax	34	35
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent	142	52
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	13	(20)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, before Tax		42
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent		(62)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	(5)	7
Other Comprehensive Income (Loss), Foreign Currency Translation Reclassification Adjustment Realized upon Sale or Liquidation, Tax		(20)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent		27
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	8	(13)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, Net of Tax		22
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent		(35)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax [Abstract]
Other Comprehensive Income Unrealized Gain Loss On Net Investment Hedges Arising During the Period, Before Tax	(6)	18
Other Comprehensive Income (Loss), Reclassification Adjustment for Net Investment Hedges Included in Net Income, Discontinued Operation, before Tax		(4)
Other Comprehensive Income (Loss), Net Investment Hedges Attributable to Parent, before Tax		22
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Effect [Abstract]
Other Comprehensive Income Unrealized Gain Loss On Net Investment Hedges Arising During the Period, Tax	3	(7)
Other Comprehensive Income (Loss), Reclassification Adjustment for Net Investment Hedges Included in Net Income, Discontinued Operation, Tax		1
Other Comprehensive Income (Loss), Net Investment Hedges Attributable to Parent, Tax		(8)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax [Abstract]
Other Comprehensive Income Unrealized Gain Loss On Net Investment Hedges Arising During the Period Net of Tax	(3)	11
Other Comprehensive Income (Loss), Reclassification Adjustment for Net Investment Hedges Included in Net Income, Discontinued Operation, Net of Tax		(3)
Other Comprehensive Income (Loss), Net Investment Hedges Attributable to Parent, Net of Tax		14
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax, [Abstract]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	(1)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax [Abstract]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax	0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax [Abstract]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax	(1)
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	232	43
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	(86)	(12)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	$ 146	$ 31

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Earnings Per Common Share (Schedule Of Basic And Diluted Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Net income (loss) from continuing operations	$ 247	$ 179
Preferred stock dividends	(15)	(67)
Net income (loss) from continuing operations attributable to common shareholders	232	112
Income (loss) from discontinued operations, net of tax	3	397
Net income (loss) attributable to common shareholders	$ 235	$ 509
Basic weighted-average common shares outstanding	484,233,246	482,247,935
Diluted weighted-average common shares outstanding	484,654,229	482,781,619
Earnings Per Share, Basic [Abstract]
Net income from continuing operations	$ 0.48	$ 0.23
Income from discontinued operations, net of tax	0.01	0.82
Net income	0.49	1.06
Earnings Per Share, Diluted [Abstract]
Net income from continuing operations	0.48	0.23
Income from discontinued operations, net of tax	0.01	0.82
Net income	$ 0.49	$ 1.06

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Regulatory Capital (Schedule Of Regulatory Capital Amount And Ratios) (Details) - USD ($) shares in Millions, $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier 1 Risk-based Capital required to be well capitalized to risk-weighted assets	4.50%
Tier 1 (to risk-weighted assets), Required minimum	6.00%
Total (to risk-weighted assets), Required minimum	8.00%
Common equity Tier 1 capital conservation buffer	2.50%
assets greater than $50 billion	$ 50,000
Federal Reserve Bank Stock	$ 435	$ 0
Series A Preferred Stock [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Preferred Stock, Notice of Redemption	700
Trust Preferred Securities Subject to Mandatory Redemption [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Preferred Stock, Notice of Redemption	500
Parent Company [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 (to risk-weighted assets), Required minimum	6.00%
Total (to risk-weighted assets), Required minimum	8.00%
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%
Common Equity Tier 1 Capital	$ 12,656	$ 12,507
Percentage of Common Equity Tier 1 Capital to Risk-weighted Assets	9.47%	9.21%
Common Equity Tier 1 Capital Required for Capital Adequacy to Risk-weighted Assets	4.50%
Tier 1 (to risk-weighted assets), Amount	$ 15,462	$ 15,077
Tier 1 (to risk-weighted assets), Ratio	11.57%	11.10%
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	6.00%
Total (to risk-weighted assets), Amount	$ 17,363	$ 17,005
Total (to risk-weighted assets), Ratio	13.00%	12.52%
Total (to risk-weighted assets), Well-capitalized minimum	10.00%
Tier 1 leverage (to adjusted average assets), Amount	$ 15,462	$ 15,077
Tier 1 leverage (to adjusted average assets), Ratio	9.87%	9.73%
Ally Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 (to risk-weighted assets), Required minimum	6.00%
Total (to risk-weighted assets), Required minimum	8.00%
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	15.00%
Common Equity Tier 1 Capital	$ 16,871	$ 16,594
Percentage of Common Equity Tier 1 Capital to Risk-weighted Assets	17.61%	17.05%
Common Equity Tier 1 Capital Required for Capital Adequacy to Risk-weighted Assets	4.50%
Common Equity Tier 1 Capital Required to be Well Capitalized to Risk-weighted Assets	6.50%
Tier 1 (to risk-weighted assets), Amount	$ 16,871	$ 16,594
Tier 1 (to risk-weighted assets), Ratio	17.61%	17.05%
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	8.00%
Total (to risk-weighted assets), Amount	$ 17,344	$ 17,043
Total (to risk-weighted assets), Ratio	18.11%	17.51%
Total (to risk-weighted assets), Well-capitalized minimum	10.00%
Tier 1 leverage (to adjusted average assets), Amount	$ 16,871	$ 16,594
Tier 1 leverage (to adjusted average assets), Ratio	15.25%	15.38%
Tier 1 leverage (to adjusted average assets), Well-capitalized minimum	5.00%

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Derivative Instruments And Hedging Activities (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Forward Contract Indexed to Issuer's Equity [Line Items]
Derivative, Notional Amount	$ 53,036	$ 59,116
Cash Collateral Placed with Counterparties Excluding Cash Collateral Associated with Repurchase Agreements	104	103
Securities Collateral Placed with Counterparties	78	86
Non-derivative Cash Collateral Placed with Counterparties Associated with the Repurchase Agreements	2	21
Cash Collateral Received from Counterparties, Excluding Collateral Associated with Repurchase Agreements	125	82
Non-derivative Cash Collateral Received from Counterparties Associated with the Repurchase Agreements.	1
Non-cash collateral received	3	7
Designated as Hedging Instrument [Member]
Forward Contract Indexed to Issuer's Equity [Line Items]
Derivative, Notional Amount	10,920	14,340
Designated as Hedging Instrument [Member] | Equity Contract [Member]
Forward Contract Indexed to Issuer's Equity [Line Items]
Derivative, Notional Amount	25	32
Designated as Hedging Instrument [Member] | Forward Contracts [Member] | Equity Contract [Member]
Forward Contract Indexed to Issuer's Equity [Line Items]
Derivative, Notional Amount	$ 25	$ 32

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Derivative Instruments And Hedging Activities (Fair Value Amounts Of Derivative Instruments Reported On Our Condensed Consolidated Balance Sheet) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 224	$ 233
Derivative Liability, Fair Value, Gross Liability	124	145
Derivative, Notional Amount	53,036	59,116
Accrued Interest [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	15	46
Derivative Liability, Fair Value, Gross Liability	5	12
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	154	126
Derivative Liability, Fair Value, Gross Liability	24	10
Derivative, Notional Amount	10,920	14,340
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	154	126
Derivative Liability, Fair Value, Gross Liability	18	9
Derivative, Notional Amount	10,698	14,151
Hedge notional amount associated with debt maturing in five or more years	2,100
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Derivative Liability, Fair Value, Gross Liability	6	1
Derivative, Notional Amount	222	189
Fair Value Hedging [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Receive-fixed Swaps, Fair Value, Gross Asset	142	112
Receive-fixed Swaps, Fair Value, Gross Liability	0	3
Receive-fixed Swaps, Notional Amount	3,900	6,800
Pay-fixed Swaps, Fair Value, Gross Asset	1	13
Pay-fixed Swaps, Fair Value, Gross Liability	18	3
Pay-fixed Swaps, Notional Amount	6,000	6,800
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	69	105
Derivative Liability, Fair Value, Gross Liability	91	125
Derivative, Notional Amount	41,932	44,466
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	1	0
Derivative Liability, Fair Value, Gross Liability	3	0
Derivative, Notional Amount	159	278
Equity Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	2
Derivative Liability, Fair Value, Gross Liability	6	10
Derivative, Notional Amount	25	32
Interest Rate Swap [Member] | Interest Rate Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	33	30
Derivative Liability, Fair Value, Gross Liability	55	51
Derivative, Notional Amount	4,979	6,101
Foreign Exchange Forward [Member] | Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	1	0
Derivative Liability, Fair Value, Gross Liability	3	0
Derivative, Notional Amount	159	278
Futures and Forwards [Member] | Interest Rate Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	3	2
Derivative Liability, Fair Value, Gross Liability	3	2
Derivative, Notional Amount	1,875	1,905
Written Options [Member] | Interest Rate Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Derivative Liability, Fair Value, Gross Liability	33	72
Derivative, Notional Amount	17,539	18,220
Written Options [Member] | Equity Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Derivative Liability, Fair Value, Gross Liability	0	1
Derivative, Notional Amount	0	0
Purchased Options [Member] | Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	33	73
Derivative Liability, Fair Value, Gross Liability	0	0
Derivative, Notional Amount	17,539	18,240
Purchased Options [Member] | Equity Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	2
Derivative Liability, Fair Value, Gross Liability	0	0
Derivative, Notional Amount	0	0
Forward Contracts [Member] | Equity Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Derivative Liability, Fair Value, Gross Liability	6	9
Derivative, Notional Amount	25	32
Other Trading [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	70	107
Derivative Liability, Fair Value, Gross Liability	100	135
Derivative, Notional Amount	42,116	44,776
Secured Debt [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Receive-fixed Swaps, Fair Value, Gross Asset	11	1
Receive-fixed Swaps, Fair Value, Gross Liability	0	2
Receive-fixed Swaps, Notional Amount	$ 700	$ 500

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Derivative Instruments And Hedging Activities (Statement Of Gains and Losses on Derivative Instruments Reported in Statement of Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Interest on long-term debt	$ (442)	$ (429)
Gain (loss) on mortgage and automotive loans, net	1	46
Other income, net of losses	82	97
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments	2	(14)
Gain (Loss) on Equity Forward Contract Not Designated as Hedging Instruments	(1)	(6)
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	(5)	(132)
Gain (Loss) on Derivative Instruments, Net, Pretax	(9)	(143)
Interest and Fee Income, Loans and Leases	(1,235)	(1,074)
Interest Gain For Qualifying Accounting Hedges Of Debt	16	23
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	5
Gains on amortization of deferred basis adjustments on the hedged items	18	28
Gain (Loss) from Revaulation of Foreign-Denominated Debt or Receivable	4	134
Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	(5)	9
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | Gain (Loss) Recognized in Earnings on Derivatives [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest on long-term debt	191	86
Interest and Fee Income, Loans and Leases	(28)	(23)
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | Gain (Loss) Recognized in Earnings on Hedged Item [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest on long-term debt	(196)	(87)
Interest and Fee Income, Loans and Leases	28	33
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | Gain (loss) Excluded from Earnings on Derivatives [Domain]
Derivative Instruments, Gain (Loss) [Line Items]
Interest and Fee Income, Loans and Leases	7	17
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on mortgage and automotive loans, net	0	(2)
Other income, net of losses	2	(12)
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest on long-term debt	(1)	(143)
Other income, net of losses	(4)	11
Forward Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other income, net of losses	(1)	$ (6)
Secured Debt [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest Gain For Qualifying Accounting Hedges Of Debt	$ 1

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Derivative Instruments And Hedging Activities (Derivative Instruments Used In Net Investment Hedge Accounting Relationships) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Cumulative Translation Adjustment, Net of Tax, Period Increase (Decrease)	$ 11	$ 43
Foreign Exchange Contract [Member] | Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	(4)
Net Investment Hedges - Total Other Income, Net of Losses	0	(4)
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (6)	$ 22

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Income Taxes (Income Tax Expense) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Income tax expense (benefit) from continuing operations	$ 150	$ 103
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 180

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Fair Value (Fair Value Measurment - Recurring Basis) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	$ 18,180	$ 17,157
Available-for-sale, Equity Investment in Any One Industry Did Not Exceed Percentage	15.00%	14.00%
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	$ 18,180	$ 17,157
Retained Interest, Fair Value Disclosure	31	40
Derivative Assets	224	233
Assets, Fair Value Disclosure	18,435	17,430
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(124)	(145)
Liabilities, Fair Value Disclosure	(124)	(145)
Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(109)	(135)
Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(9)	(1)
Fair Value, Measurements, Recurring [Member] | Other Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(6)	(9)
Fair Value, Measurements, Recurring [Member] | Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	17,464	16,440
Fair Value, Measurements, Recurring [Member] | US Treasury and Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	356	1,741
Fair Value, Measurements, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	743	716
Fair Value, Measurements, Recurring [Member] | Foreign Government Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	191	177
Fair Value, Measurements, Recurring [Member] | Residential Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	12,313	10,366
Fair Value, Measurements, Recurring [Member] | Commercial Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	500	481
Fair Value, Measurements, Recurring [Member] | Asset-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,781	1,755
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,580	1,204
Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	716	717
Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	223	231
Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	1
Fair Value, Measurements, Recurring [Member] | Other Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets		2
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,083	2,196
Retained Interest, Fair Value Disclosure	0	0
Derivative Assets	3	4
Assets, Fair Value Disclosure	1,086	2,200
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(3)	(3)
Liabilities, Fair Value Disclosure	(3)	(3)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(3)	(2)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0	(1)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	367	1,479
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | US Treasury and Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	356	1,469
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Foreign Government Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	11	10
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Residential Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Commercial Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Asset-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	716	717
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	3	2
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets		2
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	17,097	14,961
Retained Interest, Fair Value Disclosure	0	0
Derivative Assets	221	229
Assets, Fair Value Disclosure	17,318	15,190
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(121)	(142)
Liabilities, Fair Value Disclosure	(121)	(142)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(106)	(133)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(9)	(1)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(6)	(8)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	17,097	14,961
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | US Treasury and Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	272
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	743	716
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Foreign Government Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	180	167
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Residential Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	12,313	10,366
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Commercial Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	500	481
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,781	1,755
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,580	1,204
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	220	229
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	1
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets		0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Retained Interest, Fair Value Disclosure	31	40
Derivative Assets	0	0
Assets, Fair Value Disclosure	31	40
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | US Treasury and Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Foreign Government Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Residential Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Asset-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Rate Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	$ 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets		$ 0

XML

Fair Value (Fair Value Measurement - Reconciliation of Level 3 Assets And Liabilities) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Assets, Beginning balance	$ 40	$ 50
Net realized/unrealized gains (losses) included in earnings, Assets	2	3
Net realized/unrealized gains (losses) included in other comprehensive income, Assets	0	0
Purchases, Assets	0	0
Sales, Assets	4	0
Issuances, Assets	0	1
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements	(15)	(9)
Fair Value, Assets, Ending balance	31	45
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss)	0	0
Mortgage Loans Held-for-Sale, Net [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Assets, Beginning balance		3
Net realized/unrealized gains (losses) included in earnings, Assets		0
Net realized/unrealized gains (losses) included in other comprehensive income, Assets		0
Purchases, Assets		0
Sales, Assets		0
Issuances, Assets		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements		0
Fair Value, Assets, Ending balance		3
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss)		0
Retained Interest [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Assets, Beginning balance	40	47
Net realized/unrealized gains (losses) included in earnings, Assets	2	3
Net realized/unrealized gains (losses) included in other comprehensive income, Assets	0	0
Purchases, Assets	0	0
Sales, Assets	4	0
Issuances, Assets	0	1
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements	(15)	(9)
Fair Value, Assets, Ending balance	31	42
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss)	$ 0	$ 0

XML

Fair Value (Fair Value Measurement - Nonrecurring Basis) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	$ 39	$ 105
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	0	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	39	$ 105
Fair Value, Measurements, Nonrecurring [Member] | Loans held-for-sale, Automotive [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			$ 1,500
Lower of cost or fair value or valuation reserve allowance			(8)
Fair Value, Measurements, Nonrecurring [Member] | Loans held-for-sale, Mortgage [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			28
Lower of cost or fair value or valuation reserve allowance			(5)
Fair Value, Measurements, Nonrecurring [Member] | Loans held-for-sale, Other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			17
Lower of cost or fair value or valuation reserve allowance			0
Fair Value, Measurements, Nonrecurring [Member] | Loans held-for-sale, Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	39		1,545
Lower of cost or fair value or valuation reserve allowance	0		(13)
Fair Value, Measurements, Nonrecurring [Member] | Commercial Finance Receivables And Loans, Automotive [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	17		26
Lower of cost or fair value or valuation reserve allowance	(3)		(7)
Fair Value, Measurements, Nonrecurring [Member] | Commercial Finance Receivables And Loans, Other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	28		18
Lower of cost or fair value or valuation reserve allowance	(15)		(8)
Fair Value, Measurements, Nonrecurring [Member] | Commercial Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	45		44
Lower of cost or fair value or valuation reserve allowance	(18)		(15)
Fair Value, Measurements, Nonrecurring [Member] | Repossessed And Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Assets, Fair Value Disclosure	12		8
Lower of cost or fair value or valuation reserve allowance	(3)		(2)
Fair Value, Measurements, Nonrecurring [Member] | Other Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Assets, Fair Value Disclosure	6		2
Lower of cost or fair value or valuation reserve allowance	0		0
Fair Value, Measurements, Nonrecurring [Member] | Assets, Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	102		1,599
Lower of cost or fair value or valuation reserve allowance	(21)		(30)
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Loans held-for-sale, Automotive [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Loans held-for-sale, Mortgage [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Loans held-for-sale, Other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Loans held-for-sale, Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Commercial Finance Receivables And Loans, Automotive [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Commercial Finance Receivables And Loans, Other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Commercial Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Repossessed And Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Assets, Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Loans held-for-sale, Automotive [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Loans held-for-sale, Mortgage [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Loans held-for-sale, Other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Loans held-for-sale, Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Commercial Finance Receivables And Loans, Automotive [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Commercial Finance Receivables And Loans, Other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Commercial Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Repossessed And Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Assets, Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Loans held-for-sale, Automotive [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			1,500
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Loans held-for-sale, Mortgage [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			28
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Loans held-for-sale, Other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net			17
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Loans held-for-sale, Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale, net	39		1,545
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Finance Receivables And Loans, Automotive [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	17		26
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Finance Receivables And Loans, Other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	28		18
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial Finance Receivables and Loans, Net, Fair Value	45		44
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Repossessed And Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Assets, Fair Value Disclosure	12		8
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Assets, Fair Value Disclosure	6		2
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Assets, Total [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 102		$ 1,599

XML

Fair Value Fair Value (Fair Value Measurements - Nonrecurring Fair Value Inputs) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2016	Dec. 31, 2015
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans held-for-sale, net		$ 39	$ 105
Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans held-for-sale, net		$ 39	$ 105
Loans held-for-sale, Automotive [Member] | Income Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Inputs, Prepayment Rate	1.30%
Fair Value Inputs, Discount Rate	0.58%
Loans held-for-sale, Automotive [Member] | Minimum [Member] | Income Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Inputs, Loss Severity	0.00%
Loans held-for-sale, Automotive [Member] | Maximum [Member] | Income Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Inputs, Loss Severity	4.80%
Fair Value, Measurements, Nonrecurring [Member] | Loans held-for-sale, Automotive [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans held-for-sale, net	$ 1,500
Fair Value, Measurements, Nonrecurring [Member] | Loans held-for-sale, Automotive [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans held-for-sale, net	$ 1,500

XML

Fair Value (Fair Value of Financial Instruments) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	$ 118	$ 0
Loans held-for-sale, net	39	105
Total finance receivables and loans, net	109,799	110,546
Nonmarketable equity investments	733	418
Deposit liabilities	70,265	66,478
Short-term borrowings	5,365	8,101
Long-term debt	62,044	66,234
Reported Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	118
Loans held-for-sale, net	39	105
Total finance receivables and loans, net	109,799	110,546
Nonmarketable equity investments	733	418
Deposit liabilities	70,265	66,478
Short-term borrowings	5,365	8,101
Long-term debt	62,044	66,234
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	0
Loans held-for-sale, net	0	0
Total finance receivables and loans, net	0	0
Nonmarketable equity investments	0	0
Deposit liabilities	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	118
Loans held-for-sale, net	0	0
Total finance receivables and loans, net	0	0
Nonmarketable equity investments	706	391
Deposit liabilities	0	0
Short-term borrowings	0	0
Long-term debt	22,252	23,018
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	0
Loans held-for-sale, net	39	105
Total finance receivables and loans, net	110,596	110,737
Nonmarketable equity investments	42	42
Deposit liabilities	70,849	66,889
Short-term borrowings	5,365	8,102
Long-term debt	41,463	45,157
Estimate of Fair Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity securities	118
Loans held-for-sale, net	39	105
Total finance receivables and loans, net	110,596	110,737
Nonmarketable equity investments	748	433
Deposit liabilities	70,849	66,889
Short-term borrowings	5,365	8,102
Long-term debt	$ 63,715	$ 68,175

XML

Offsetting Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 224	$ 233
Derivative Asset, Fair Value, Amount Offset Against Collateral	0	0
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	(60)	(78)
Derivative, Collateral, Right to Reclaim Cash	(123)	(67)
Derivative Liability, Fair Value, Gross Liability	(124)	(145)
Derivative Liability, Fair Value, Amount Offset Against Collateral	0	0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	60	78
Derivative, Collateral, Obligation to Return Cash	25	2
Securities Sold under Agreements to Repurchase, Gross	(725)	(648)
Non-cash derivative collateral pledged to us is not recorded on our Condensed Consolidated Balance Sheet unless certain conditions are met.	3	7
Net Asset [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	219	224
Derivative Asset, Fair Value, Amount Offset Against Collateral	0	0
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	(55)	(69)
Derivative, Collateral, Right to Reclaim Cash	(123)	(67)
Derivative assets in net liability positions [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	5	9
Derivative Asset, Fair Value, Amount Offset Against Collateral	0	0
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	(5)	(9)
Derivative, Collateral, Right to Reclaim Cash	0	0
Net liability [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	(63)	(68)
Derivative Liability, Fair Value, Amount Offset Against Collateral	0	0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	5	9
Derivative, Collateral, Obligation to Return Cash	25	2
Derivative liabilities in net asset positions [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	(55)	(69)
Derivative Liability, Fair Value, Amount Offset Against Collateral	0	0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	55	69
Derivative, Collateral, Obligation to Return Cash	0	0
Derivative liabilities with no offsetting arrangements [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	(6)	(8)
Derivative Liability, Fair Value, Amount Offset Against Collateral	0	0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	0	0
Derivative, Collateral, Obligation to Return Cash	0	0
Securities sold under agreement to repurchase [Member]
Derivative [Line Items]
Securities Sold under Agreements to Repurchase, Gross	(725)	(648)
Securities Sold under Agreements to Repurchase, Amount Offset Against Collateral	0	0
Securities Sold under Agreements to Repurchase, Amount Offset Against Collateral, Net	(725)	(648)
Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Securities	0	0
Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Cash	725	648
Securities Sold under Agreements to Repurchase	0	0
Assets, Total [Member]
Derivative [Line Items]
Derivative, Fair Value, Amount Offset Against Collateral, Net	224	233
Derivative Assets	41	88
Assets, Total [Member] | Net Asset [Member]
Derivative [Line Items]
Derivative, Fair Value, Amount Offset Against Collateral, Net	219	224
Derivative Assets	41	88
Assets, Total [Member] | Derivative assets in net liability positions [Member]
Derivative [Line Items]
Derivative, Fair Value, Amount Offset Against Collateral, Net	5	9
Derivative Assets	0	0
Liabilities, Total [Member]
Derivative [Line Items]
Derivative, Fair Value, Amount Offset Against Collateral, Net	(124)	(145)
Derivative Liability	(39)	(65)
Gross Amounts of Recognized Liabilities	(849)	(793)
Gross Amounts Offset in the Condensed Consolidated Balance Sheet	0	0
Net Amounts of Liabilities Presented in the Condensed Consolidated Balance Sheet	(849)	(793)
Gross Amounts Not Offset Against Collateral	60	78
Obligation to Return Cash	750	650
Net Amount	(39)	(65)
Liabilities, Total [Member] | Net liability [Member]
Derivative [Line Items]
Derivative, Fair Value, Amount Offset Against Collateral, Net	(63)	(68)
Derivative Liability	(33)	(57)
Liabilities, Total [Member] | Derivative liabilities in net asset positions [Member]
Derivative [Line Items]
Derivative, Fair Value, Amount Offset Against Collateral, Net	(55)	(69)
Derivative Liability	0	0
Liabilities, Total [Member] | Derivative liabilities with no offsetting arrangements [Member]
Derivative [Line Items]
Derivative, Fair Value, Amount Offset Against Collateral, Net	(6)	(8)
Derivative Liability	$ (6)	$ (8)

XML

Segment And Geographic Information (Financial Information Operating Segments) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Net financing revenue (loss)	$ 951	$ 850
Other revenue	376	243
Total net revenue (loss)	1,327	1,093
Provision for loan losses	220	116
Total noninterest expense	710	695
Income (loss) from continuing operations before income tax expense	397	282
Assets	156,505	153,324	$ 158,581
Net Interest Income (Loss) after Provision for Loan Losses	731	734
Automotive Finance Operations [Member]
Segment Reporting Information [Line Items]
Net financing revenue (loss)	896	809
Other revenue	77	52
Total net revenue (loss)	973	861
Provision for loan losses	209	127
Total noninterest expense	427	428
Income (loss) from continuing operations before income tax expense	337	306
Assets	112,289	111,149
Insurance Operations [Member]
Segment Reporting Information [Line Items]
Net financing revenue (loss)	14	12
Other revenue	254	268
Total net revenue (loss)	268	280
Provision for loan losses	0	0
Total noninterest expense	218	202
Income (loss) from continuing operations before income tax expense	50	78
Assets	7,194	7,242
Mortgage Finance Operations [Member]
Segment Reporting Information [Line Items]
Net financing revenue (loss)	20	11
Other revenue	0	0
Total net revenue (loss)	20	11
Provision for loan losses	3	2
Total noninterest expense	15	8
Income (loss) from continuing operations before income tax expense	2	1
Assets	7,493	3,941
Corporate Finance Operations [Member]
Segment Reporting Information [Line Items]
Net financing revenue (loss)	28	20
Other revenue	6	6
Total net revenue (loss)	34	26
Provision for loan losses	6	(5)
Total noninterest expense	17	14
Income (loss) from continuing operations before income tax expense	11	17
Assets	2,839	1,976
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Net financing revenue (loss)	(7)	(2)
Other revenue	39	(83)
Total net revenue (loss)	32	(85)
Provision for loan losses	2	(8)
Total noninterest expense	33	43
Income (loss) from continuing operations before income tax expense	(3)	(120)
Assets	$ 26,690	$ 29,016

XML

Segment And Geographic Information (Information Concerning Principal Geographic Areas) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue (loss)	$ 1,327	$ 1,093
Income (loss) from continuing operations before income tax expense	397	282
Net income (loss)	250	576
Foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue (loss)	21	25
Income (loss) from continuing operations before income tax expense	10	15
Net income (loss)	7	471
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue (loss)	21	24
Income (loss) from continuing operations before income tax expense	10	11
Net income (loss)	8	8
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue (loss)	0	1
Income (loss) from continuing operations before income tax expense	0	4
Net income (loss)	(1)	11
Asia-Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue (loss)		0
Income (loss) from continuing operations before income tax expense		0
Net income (loss)		452
Domestic [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue (loss)	1,306	1,068
Income (loss) from continuing operations before income tax expense	387	267
Net income (loss)	$ 243	$ 105

XML

Parent And Guarantor Consolidating Financial Statements (Schedule of Consolidating Statement of Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	$ 1,235	$ 1,074
Interest on loans held-for-sale	0	24
Interest and dividends on investment securities	102	88
Interest on cash and cash equivalents	3	2
Operating leases	769	896
Total financing revenue and other interest income	2,109	2,084
Interest on deposits	193	172
Interest on short-term borrowings	13	11
Interest on long-term debt	442	429
Interest Expense, Debt	0	0
Total interest expense	648	612
Depreciation expense on operating lease assets	510	622
Net financing revenue (loss)	951	850
Bank Subsidiary		0
Nonbank subsidiaries	0	0
Servicing fees	13	10
Insurance premiums and service revenue earned	230	233
Gain (loss) on mortgage and automotive loans, net	1	46
Loss on extinguishment of debt	(4)	(198)
Other gain on investments, net	54	55
Other income, net of losses	82	97
Total other revenue	376	243
Total net revenue (loss)	1,327	1,093
Provision for loan losses	220	116
Compensation and benefits expense	252	255
Insurance losses and loss adjustment expenses	73	56
Other operating expenses	385	384
Total noninterest expense	710	695
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	397	282
Income tax expense (benefit) from continuing operations	150	103
Net income (loss) from continuing operations	247	179
Income (loss) from discontinued operations, net of tax	3	397
Undistributed income of bank subsidiaries	0	0
Undistributed income of nonbank subsidiaries	0	0
Net income (loss)	250	576
Other Comprehensive Income (Loss), Net of Tax	146	31
Comprehensive income	396	607
Parent [Member]
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	(38)	4
Interest on loans held-for-sale		0
Interest and dividends on investment securities	0	0
Interest on cash and cash equivalents	1	0
Operating leases	5	0
Total financing revenue and other interest income	(29)	14
Interest on deposits	2	3
Interest on short-term borrowings	10	10
Interest on long-term debt	289	292
Interest Expense, Debt	4	19
Total interest expense	305	324
Depreciation expense on operating lease assets	4	0
Net financing revenue (loss)	(338)	(310)
Bank Subsidiary		125
Nonbank subsidiaries	482	238
Servicing fees	296	279
Insurance premiums and service revenue earned	0	0
Gain (loss) on mortgage and automotive loans, net	(3)	(8)
Loss on extinguishment of debt	(2)	(197)
Other gain on investments, net	0	0
Other income, net of losses	78	72
Total other revenue	369	146
Total net revenue (loss)	513	199
Provision for loan losses	60	100
Compensation and benefits expense	147	154
Insurance losses and loss adjustment expenses	0	0
Other operating expenses	340	310
Total noninterest expense	487	464
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	(34)	(365)
Income tax expense (benefit) from continuing operations	(43)	(115)
Net income (loss) from continuing operations	9	(250)
Income (loss) from discontinued operations, net of tax	6	387
Undistributed income of bank subsidiaries	270	180
Undistributed income of nonbank subsidiaries	(35)	259
Net income (loss)	250	576
Other Comprehensive Income (Loss), Net of Tax	146	31
Comprehensive income	396	607
Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	0	0
Interest on loans held-for-sale		0
Interest and dividends on investment securities	0	0
Interest on cash and cash equivalents	0	0
Operating leases	0	0
Total financing revenue and other interest income	0	0
Interest on deposits	0	0
Interest on short-term borrowings	0	0
Interest on long-term debt	0	0
Interest Expense, Debt	0	0
Total interest expense	0	0
Depreciation expense on operating lease assets	0	0
Net financing revenue (loss)	0	0
Bank Subsidiary		125
Nonbank subsidiaries	0	0
Servicing fees	0	0
Insurance premiums and service revenue earned	0	0
Gain (loss) on mortgage and automotive loans, net	0	0
Loss on extinguishment of debt	0	0
Other gain on investments, net	0	0
Other income, net of losses	0	0
Total other revenue	0	0
Total net revenue (loss)	0	125
Provision for loan losses	0	0
Compensation and benefits expense	0	0
Insurance losses and loss adjustment expenses	0	0
Other operating expenses	0	0
Total noninterest expense	0	0
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	0	125
Income tax expense (benefit) from continuing operations	0	0
Net income (loss) from continuing operations	0	125
Income (loss) from discontinued operations, net of tax	0	0
Undistributed income of bank subsidiaries	270	180
Undistributed income of nonbank subsidiaries	0	0
Net income (loss)	270	305
Other Comprehensive Income (Loss), Net of Tax	84	42
Comprehensive income	354	347
Non-Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	1,273	1,070
Interest on loans held-for-sale		24
Interest and dividends on investment securities	102	88
Interest on cash and cash equivalents	2	2
Operating leases	764	896
Total financing revenue and other interest income	2,145	2,098
Interest on deposits	191	169
Interest on short-term borrowings	3	1
Interest on long-term debt	153	137
Interest Expense, Debt	3	9
Total interest expense	350	316
Depreciation expense on operating lease assets	506	622
Net financing revenue (loss)	1,289	1,160
Bank Subsidiary		0
Nonbank subsidiaries	0	0
Servicing fees	211	204
Insurance premiums and service revenue earned	230	233
Gain (loss) on mortgage and automotive loans, net	4	54
Loss on extinguishment of debt	(2)	(1)
Other gain on investments, net	54	55
Other income, net of losses	6	152
Total other revenue	503	697
Total net revenue (loss)	1,792	1,857
Provision for loan losses	160	16
Compensation and benefits expense	105	225
Insurance losses and loss adjustment expenses	73	56
Other operating expenses	542	550
Total noninterest expense	720	831
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	912	1,010
Income tax expense (benefit) from continuing operations	193	218
Net income (loss) from continuing operations	719	792
Income (loss) from discontinued operations, net of tax	(3)	10
Undistributed income of bank subsidiaries	0	0
Undistributed income of nonbank subsidiaries	0	0
Net income (loss)	716	802
Other Comprehensive Income (Loss), Net of Tax	151	47
Comprehensive income	867	849
Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	0	0
Interest on loans held-for-sale		0
Interest and dividends on investment securities	0	0
Interest on cash and cash equivalents	0	0
Operating leases	0	0
Total financing revenue and other interest income	(7)	(28)
Interest on deposits	0	0
Interest on short-term borrowings	0	0
Interest on long-term debt	0	0
Interest Expense, Debt	(7)	(28)
Total interest expense	(7)	(28)
Depreciation expense on operating lease assets	0	0
Net financing revenue (loss)	0	0
Bank Subsidiary		(250)
Nonbank subsidiaries	(482)	(238)
Servicing fees	(494)	(473)
Insurance premiums and service revenue earned	0	0
Gain (loss) on mortgage and automotive loans, net	0	0
Loss on extinguishment of debt	0	0
Other gain on investments, net	0	0
Other income, net of losses	(2)	(127)
Total other revenue	(496)	(600)
Total net revenue (loss)	(978)	(1,088)
Provision for loan losses	0	0
Compensation and benefits expense	0	(124)
Insurance losses and loss adjustment expenses	0	0
Other operating expenses	(497)	(476)
Total noninterest expense	(497)	(600)
(Loss) income from continuing operations before income tax (benefit) expense and undistributed income of subsidiaries	(481)	(488)
Income tax expense (benefit) from continuing operations	0	0
Net income (loss) from continuing operations	(481)	(488)
Income (loss) from discontinued operations, net of tax	0	0
Undistributed income of bank subsidiaries	(540)	(360)
Undistributed income of nonbank subsidiaries	35	(259)
Net income (loss)	(986)	(1,107)
Other Comprehensive Income (Loss), Net of Tax	(235)	(89)
Comprehensive income	(1,221)	(1,196)
Affiliated Entity [Member]
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	0	0
Interest on cash and cash equivalents	0	0
Affiliated Entity [Member] | Parent [Member]
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	3	10
Interest on cash and cash equivalents	0	0
Affiliated Entity [Member] | Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	0	0
Interest on cash and cash equivalents	0	0
Affiliated Entity [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	2	16
Interest on cash and cash equivalents	2	2
Affiliated Entity [Member] | Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Interest and fees on finance receivables and loans	(5)	(26)
Interest on cash and cash equivalents	$ (2)	$ (2)

XML

Parent And Guarantor Consolidating Financial Statements (Schedule Of Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Condensed Balance Sheet Statements, Captions [Line Items]
Noninterest-bearing cash and cash equivalents	$ 1,906	$ 2,148
Interest-bearing cash and cash equivalents	3,095	4,232
Total cash and cash equivalents	5,001	6,380	$ 7,636	$ 5,576
Available-for-sale securities	18,180	17,157
Held-to-maturity securities	118	0
Loans held-for-sale, net	39	105
Finance receivables and loans, net	110,876	111,600	99,856
Loans to bank subsidiary	0	0
Loans to nonbank subsidiary	0	0
Allowance for loan losses	(1,077)	(1,054)	(933)	(977)
Total finance receivables and loans, net	109,799	110,546
Investment in operating leases, net	14,958	16,271
Receivables from bank subsidiary	0	0
Receivables from nonbank subsidiary	0	0
Investment in bank subsidiaries	0	0
Investment in nonbank subsidiaries	0	0
Premiums receivable and other insurance assets	1,828	1,801
Other assets	6,582	6,321
Total assets	156,505	158,581	153,324
Noninterest-bearing deposit liabilities	92	89
Interest-bearing deposit liabilities	70,173	66,389
Total deposit liabilities	70,265	66,478
Short-term borrowings	5,365	8,101
Long-term debt	62,044	66,234
Debt Payable To Nonbank Subsidiaries	0	0
Payables to Bank Subsidiaries	0	0
Payables to Nonbank Subsidiaries	0	0
Interest payable	374	350
Unearned insurance premiums and service revenue	2,449	2,434
Accrued expenses and other liabilities	2,185	1,545
Total liabilities	142,682	145,142
Total equity	13,823	13,439	15,934	15,399
Total liabilities and equity	156,505	158,581
Parent [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Noninterest-bearing cash and cash equivalents	1,045	1,234
Interest-bearing cash and cash equivalents	700	401
Total cash and cash equivalents	1,745	1,635	2,645	2,286
Available-for-sale securities	0	0
Held-to-maturity securities	0
Loans held-for-sale, net	0	0
Finance receivables and loans, net	3,282	2,636
Loans to bank subsidiary	775	600
Loans to nonbank subsidiary	2,322	3,277
Allowance for loan losses	(82)	(72)
Total finance receivables and loans, net	6,297	6,441
Investment in operating leases, net	70	81
Receivables from bank subsidiary	316	186
Receivables from nonbank subsidiary	141	259
Investment in bank subsidiaries	16,856	16,496
Investment in nonbank subsidiaries	10,500	10,902
Premiums receivable and other insurance assets	0	0
Other assets	4,697	4,785
Total assets	40,622	40,785
Noninterest-bearing deposit liabilities	0	0
Interest-bearing deposit liabilities	218	229
Total deposit liabilities	218	229
Short-term borrowings	3,640	3,453
Long-term debt	20,676	21,048
Debt Payable To Nonbank Subsidiaries	1,341	1,409
Payables to Bank Subsidiaries	262	142
Payables to Nonbank Subsidiaries	137	420
Interest payable	237	258
Unearned insurance premiums and service revenue	0	0
Accrued expenses and other liabilities	288	387
Total liabilities	26,799	27,346
Total equity	13,823	13,439
Total liabilities and equity	40,622	40,785
Guarantor Subsidiaries [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Noninterest-bearing cash and cash equivalents	0	0
Interest-bearing cash and cash equivalents	0	0
Total cash and cash equivalents	0	0	0	0
Available-for-sale securities	0	0
Held-to-maturity securities	0
Loans held-for-sale, net	0	0
Finance receivables and loans, net	0	0
Loans to bank subsidiary	0	0
Loans to nonbank subsidiary	0	0
Allowance for loan losses	0	0
Total finance receivables and loans, net	0	0
Investment in operating leases, net	0	0
Receivables from bank subsidiary	0	0
Receivables from nonbank subsidiary	0	0
Investment in bank subsidiaries	16,856	16,496
Investment in nonbank subsidiaries	11	11
Premiums receivable and other insurance assets	0	0
Other assets	0	0
Total assets	16,867	16,507
Noninterest-bearing deposit liabilities	0	0
Interest-bearing deposit liabilities	0	0
Total deposit liabilities	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Debt Payable To Nonbank Subsidiaries	0	0
Payables to Bank Subsidiaries	0	0
Payables to Nonbank Subsidiaries	0	0
Interest payable	0	0
Unearned insurance premiums and service revenue	0	0
Accrued expenses and other liabilities	82	82
Total liabilities	82	82
Total equity	16,785	16,425
Total liabilities and equity	16,867	16,507
Non-Guarantor Subsidiaries [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Noninterest-bearing cash and cash equivalents	861	914
Interest-bearing cash and cash equivalents	2,395	3,831
Total cash and cash equivalents	3,993	5,595	5,608	3,905
Available-for-sale securities	18,180	17,157
Held-to-maturity securities	118
Loans held-for-sale, net	39	105
Finance receivables and loans, net	107,594	108,964
Loans to bank subsidiary	0	0
Loans to nonbank subsidiary	604	559
Allowance for loan losses	(995)	(982)
Total finance receivables and loans, net	107,203	108,541
Investment in operating leases, net	14,888	16,190
Receivables from bank subsidiary	0	0
Receivables from nonbank subsidiary	41	282
Investment in bank subsidiaries	0	0
Investment in nonbank subsidiaries	0	0
Premiums receivable and other insurance assets	1,852	1,827
Other assets	4,951	4,488
Total assets	151,265	154,185
Noninterest-bearing deposit liabilities	92	89
Interest-bearing deposit liabilities	69,955	66,160
Total deposit liabilities	70,047	66,249
Short-term borrowings	1,725	4,648
Long-term debt	41,368	45,186
Debt Payable To Nonbank Subsidiaries	3,097	3,877
Payables to Bank Subsidiaries	0	0
Payables to Nonbank Subsidiaries	122	191
Interest payable	137	92
Unearned insurance premiums and service revenue	2,449	2,434
Accrued expenses and other liabilities	4,883	4,028
Total liabilities	123,828	126,705
Total equity	27,437	27,480
Total liabilities and equity	151,265	154,185
Consolidation, Eliminations [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Noninterest-bearing cash and cash equivalents	0	0
Interest-bearing cash and cash equivalents	0	0
Total cash and cash equivalents	(737)	(850)	$ (617)	$ (615)
Available-for-sale securities	0	0
Held-to-maturity securities	0
Loans held-for-sale, net	0	0
Finance receivables and loans, net	0	0
Loans to bank subsidiary	(775)	(600)
Loans to nonbank subsidiary	(2,926)	(3,836)
Allowance for loan losses	0	0
Total finance receivables and loans, net	(3,701)	(4,436)
Investment in operating leases, net	0	0
Receivables from bank subsidiary	(316)	(186)
Receivables from nonbank subsidiary	(182)	(541)
Investment in bank subsidiaries	(33,712)	(32,992)
Investment in nonbank subsidiaries	(10,511)	(10,913)
Premiums receivable and other insurance assets	(24)	(26)
Other assets	(3,066)	(2,952)
Total assets	(52,249)	(52,896)
Noninterest-bearing deposit liabilities	0	0
Interest-bearing deposit liabilities	0	0
Total deposit liabilities	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Debt Payable To Nonbank Subsidiaries	(4,438)	(5,286)
Payables to Bank Subsidiaries	(262)	(142)
Payables to Nonbank Subsidiaries	(259)	(611)
Interest payable	0	0
Unearned insurance premiums and service revenue	0	0
Accrued expenses and other liabilities	(3,068)	(2,952)
Total liabilities	(8,027)	(8,991)
Total equity	(44,222)	(43,905)
Total liabilities and equity	(52,249)	(52,896)
Affiliated Entity [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Interest-bearing cash and cash equivalents	0	0
Affiliated Entity [Member] | Parent [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Interest-bearing cash and cash equivalents	0	0
Affiliated Entity [Member] | Guarantor Subsidiaries [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Interest-bearing cash and cash equivalents	0	0
Affiliated Entity [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Interest-bearing cash and cash equivalents	737	850
Affiliated Entity [Member] | Consolidation, Eliminations [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Interest-bearing cash and cash equivalents	$ (737)	$ (850)

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Parent And Guarantor Consolidating Financial Statements (Schedule Of Condensed Consolidating Statement of Cash Flow) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	$ 1,188	$ 247
Net change in federal funds sold and securities purchased under resale agreements	0	(50)
Purchases of available-for-sale securities	(4,870)	(4,023)
Proceeds from sales of available-for-sale securities	4,175	1,523
Proceeds from maturities and repayment of available-for-sale securities	409	914
Purchases of held-to-maturity securities	(118)	0
Net (increase) decrease in finance receivables and loans	(2,086)	(45)
Proceeds from Sale of Loans Held-for-sale	2,594	1,577
Purchases of operating lease assets	(701)	(1,447)
Disposals of operating lease assets	1,535	1,337
Capital contributions to subsidiaries	0	0
Returns of contributed capital	0	0
Proceeds from sale of business units, net	0	1,049
Increase (Decrease) in Restricted Cash	48	(121)
Net change in nonmarketable equity investments	(315)	58
Other, net	(20)	33
Net cash provided by investing activities	651	805
Net change in short-term borrowings	(2,739)	(618)
Net increase in bank deposits	3,780	2,647
Proceeds from issuance of long-term debt	4,244	8,825
Repayments of long-term debt	(8,490)	(9,778)
Net Change in Debt, Intercompany	0	0
Dividends paid on preferred stock	(15)	(67)
Dividends paid and returns of contributed capital, Intercompany	0	0
Capital contributions from parent	0	0
Net cash (used in) provided by financing activities	(3,220)	1,009
Effect of exchange-rate changes on cash and cash equivalents	2	(1)
Net (decrease) increase in cash and cash equivalents	(1,379)	2,060
Cash and cash equivalents at beginning of period	6,380	5,576
Cash and cash equivalents at end of period	5,001	7,636
Parent [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(38)	(189)
Net change in federal funds sold and securities purchased under resale agreements		0
Purchases of available-for-sale securities	0	0
Proceeds from sales of available-for-sale securities	0	0
Proceeds from maturities and repayment of available-for-sale securities	0	0
Purchases of held-to-maturity securities	0
Net (increase) decrease in finance receivables and loans	(292)	(242)
Proceeds from Sale of Loans Held-for-sale	0	0
Purchases of operating lease assets	0	0
Disposals of operating lease assets	2	0
Capital contributions to subsidiaries	(128)	(24)
Returns of contributed capital	223	222
Proceeds from sale of business units, net		1,049
Increase (Decrease) in Restricted Cash	0	0
Net change in nonmarketable equity investments	0	0
Other, net	(32)	(1)
Net cash provided by investing activities	456	1,378
Net change in short-term borrowings	187	142
Net increase in bank deposits	(10)	(9)
Proceeds from issuance of long-term debt	178	2,467
Repayments of long-term debt	(580)	(3,161)
Net Change in Debt, Intercompany	(68)	(202)
Dividends paid on preferred stock	(15)	(67)
Dividends paid and returns of contributed capital, Intercompany	0	0
Capital contributions from parent	0	0
Net cash (used in) provided by financing activities	(308)	(830)
Effect of exchange-rate changes on cash and cash equivalents	0	0
Net (decrease) increase in cash and cash equivalents	110	359
Cash and cash equivalents at beginning of period	1,635	2,286
Cash and cash equivalents at end of period	1,745	2,645
Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	0	125
Net change in federal funds sold and securities purchased under resale agreements		0
Purchases of available-for-sale securities	0	0
Proceeds from sales of available-for-sale securities	0	0
Proceeds from maturities and repayment of available-for-sale securities	0	0
Purchases of held-to-maturity securities	0
Net (increase) decrease in finance receivables and loans	0	0
Proceeds from Sale of Loans Held-for-sale	0	0
Purchases of operating lease assets	0	0
Disposals of operating lease assets	0	0
Capital contributions to subsidiaries	0	0
Returns of contributed capital	0	0
Proceeds from sale of business units, net		0
Increase (Decrease) in Restricted Cash	0	0
Net change in nonmarketable equity investments	0	0
Other, net	0	0
Net cash provided by investing activities	0	0
Net change in short-term borrowings	0	0
Net increase in bank deposits	0	0
Proceeds from issuance of long-term debt	0	0
Repayments of long-term debt	0	0
Net Change in Debt, Intercompany	0	0
Dividends paid on preferred stock	0	0
Dividends paid and returns of contributed capital, Intercompany	0	(125)
Capital contributions from parent	0	0
Net cash (used in) provided by financing activities	0	(125)
Effect of exchange-rate changes on cash and cash equivalents	0	0
Net (decrease) increase in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Non-Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	1,708	799
Net change in federal funds sold and securities purchased under resale agreements		(50)
Purchases of available-for-sale securities	(4,870)	(4,023)
Proceeds from sales of available-for-sale securities	4,175	1,523
Proceeds from maturities and repayment of available-for-sale securities	409	914
Purchases of held-to-maturity securities	(118)
Net (increase) decrease in finance receivables and loans	(1,794)	197
Proceeds from Sale of Loans Held-for-sale	2,594	1,577
Purchases of operating lease assets	(701)	(1,447)
Disposals of operating lease assets	1,533	(1,337)
Capital contributions to subsidiaries	0	0
Returns of contributed capital	0	0
Proceeds from sale of business units, net		0
Increase (Decrease) in Restricted Cash	48	(121)
Net change in nonmarketable equity investments	(315)	58
Other, net	12	34
Net cash provided by investing activities	929	204
Net change in short-term borrowings	(2,926)	(760)
Net increase in bank deposits	3,790	2,656
Proceeds from issuance of long-term debt	4,066	6,358
Repayments of long-term debt	(7,910)	(6,617)
Net Change in Debt, Intercompany	(684)	(374)
Dividends paid on preferred stock	0	0
Dividends paid and returns of contributed capital, Intercompany	(705)	(586)
Capital contributions from parent	128	24
Net cash (used in) provided by financing activities	(4,241)	701
Effect of exchange-rate changes on cash and cash equivalents	2	(1)
Net (decrease) increase in cash and cash equivalents	(1,602)	1,703
Cash and cash equivalents at beginning of period	5,595	3,905
Cash and cash equivalents at end of period	3,993	5,608
Consolidation, Eliminations [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(482)	(488)
Net change in federal funds sold and securities purchased under resale agreements		0
Purchases of available-for-sale securities	0	0
Proceeds from sales of available-for-sale securities	0	0
Proceeds from maturities and repayment of available-for-sale securities	0	0
Purchases of held-to-maturity securities	0
Net (increase) decrease in finance receivables and loans	0	0
Proceeds from Sale of Loans Held-for-sale	0	0
Purchases of operating lease assets	0	0
Disposals of operating lease assets	0	0
Capital contributions to subsidiaries	128	24
Returns of contributed capital	(223)	(222)
Proceeds from sale of business units, net		0
Increase (Decrease) in Restricted Cash	0	0
Net change in nonmarketable equity investments	0	0
Other, net	0	0
Net cash provided by investing activities	(734)	(777)
Net change in short-term borrowings	0	0
Net increase in bank deposits	0	0
Proceeds from issuance of long-term debt	0	0
Repayments of long-term debt	0	0
Net Change in Debt, Intercompany	752	576
Dividends paid on preferred stock	0	0
Dividends paid and returns of contributed capital, Intercompany	705	711
Capital contributions from parent	(128)	(24)
Net cash (used in) provided by financing activities	1,329	1,263
Effect of exchange-rate changes on cash and cash equivalents	0	0
Net (decrease) increase in cash and cash equivalents	113	(2)
Cash and cash equivalents at beginning of period	(850)	(615)
Cash and cash equivalents at end of period	(737)	(617)
Affiliated Entity [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net (increase) decrease in finance receivables and loans	0	0
Affiliated Entity [Member] | Parent [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net (increase) decrease in finance receivables and loans	683	374
Affiliated Entity [Member] | Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net (increase) decrease in finance receivables and loans	0	0
Affiliated Entity [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net (increase) decrease in finance receivables and loans	(44)	205
Affiliated Entity [Member] | Consolidation, Eliminations [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net (increase) decrease in finance receivables and loans	$ (639)	$ (579)

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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2016	Sep. 30, 2016	May. 16, 2016	Apr. 11, 2016
Subsequent Event [Line Items]
Preferred Stock, Redemption Price Per Share			$ 25
Series A Preferred Stock [Member]
Subsequent Event [Line Items]
Stock Redeemed or Called During Period, Shares	27,870,560
Subsequent Event [Member] | Series A Preferred Stock [Member]
Subsequent Event [Line Items]
Dividends Payable, Amount Per Share				$ 0.53
Dividends Payable				$ 15
Stock Redeemed or Called During Period, Shares	27,870,560
Preferred Stock, Redemption Price Per Share			$ 25
TradeKing Group, Inc. [Member]
Subsequent Event [Line Items]
Payments to Acquire Businesses, Gross		$ 275
Goodwill, Acquired During Period		$ 250