10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)
[X]	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended March 31, 2019
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: 1-15081

MUFG Americas Holdings Corporation

(Exact name of registrant as specified in its charter)

Delaware	94-1234979
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
1251 Avenue of the Americas, New York, NY	10020
(Address of principal executive offices)	(Zip Code)
(Registrant's telephone number, including area code) (212) 782-6800

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 x    No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).   Yes x    No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer o	Accelerated filer o
Non-accelerated filer x	Smaller reporting company o
Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).   Yes o   No x

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading symbol(s)	Name of each exchange on which registered
None	Not Applicable	Not Applicable

Number of shares of Common Stock outstanding at April 30, 2019: 131,935,124

THE REGISTRANT MEETS THE CONDITIONS SET FORTH IN GENERAL INSTRUCTION H (1) (a) AND (b) OF FORM 10-Q AND IS THEREFORE FILING THIS FORM WITH THE REDUCED DISCLOSURE FORMAT.

MUFG Americas Holdings Corporation and Subsidiaries

Table of Contents

PART I. FINANCIAL INFORMATION	29
Item 1. Financial Statements	29
Consolidated Statements of Income (Unaudited)	29
Consolidated Statements of Comprehensive Income (Unaudited)	30
Consolidated Balance Sheets (Unaudited)	31
Consolidated Statements of Changes in Stockholders' Equity (Unaudited)	32
Consolidated Statements of Cash Flows (Unaudited)	33
Note 1—Summary of Significant Accounting Policies and Nature of Operations	34
Note 2—Securities	36
Note 3—Loans and Allowance for Loan Losses	42
Note 4—Variable Interest Entities	51
Note 5—Securities Financing Arrangements	53
Note 6—Commercial Paper and Other Short-Term Borrowings	55
Note 7—Long-Term Debt	56
Note 8—Fair Value Measurement and Fair Value of Financial Instruments	57
Note 9—Derivative Instruments and Other Financial Instruments Used For Hedging	63
Note 10—Accumulated Other Comprehensive Income	66
Note 11—Employee Pension and Other Postretirement Benefits	68
Note 12—Commitments, Contingencies and Guarantees	68
Note 13—Business Segments	69
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations	7
Consolidated Financial Highlights	7
Introduction	10
Executive Overview	10
Financial Performance	12
Balance Sheet Analysis	15
Capital Management	17
Risk Management	19
Critical Accounting Estimates	26
Non-GAAP Financial Measures	26
Item 3. Quantitative and Qualitative Disclosures About Market Risk	28
Item 4. Controls and Procedures	28
PART II. OTHER INFORMATION	73
Item 1. Legal Proceedings	73
Item 1A. Risk Factors	73
Item 6. Exhibits	74
SIGNATURES	75

2

Glossary of Defined Terms

The following acronyms and abbreviations are used throughout this Form 10-Q, particularly in Part I, Item 1. “Financial Statements," Item 2. “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and Part II, Item 1A. “Risk Factors.”

Agency Securities	Securities guaranteed by a U.S. government agency
ALCO	Asset Liability Management Committee
ALM	Asset Liability Management
AOCI	Accumulated other comprehensive income
ARC	Americas Risk Committee
ASU	Accounting Standards Update
BCBS	Basel Committee on Banking Supervision
BHC	U.S. Bank Holding Company
CCAR	Comprehensive Capital Analysis and Review
CD	Certificate of deposit
CLO	Collateralized loan obligation
CMBS	Commercial mortgage-backed security
Dodd-Frank Act	Dodd-Frank Wall Street Reform and Consumer Protection Act
EGRRCPA	Economic Growth, Regulatory Relief and Consumer Protection Act
ESBP	Executive Supplemental Benefit Plan
EURIBOR	Euro Interbank Offered Rate
Exchange Act	U.S. Securities Exchange Act of 1934
FASB	Financial Accounting Standards Board
FDIC	Federal Deposit Insurance Corporation
Federal Reserve	Board of Governors of the Federal Reserve System
FHLB	Federal Home Loan Bank
FICO	Fair Isaac Corporation
GAAP	Accounting principles generally accepted in the United States of America
GSIB	Global systemically important bank
HQLA	High quality liquid assets
LCR	Liquidity Coverage Ratio
LIBOR	London Inter-bank Offered Rate
LIHC	Low income housing tax credit
LLC	Limited Liability Company
LTV	Loan-to-value
MRM	Market Risk Management
MUAH	MUFG Americas Holdings Corporation
MUB	MUFG Union Bank, N.A.
MUFG	Mitsubishi UFJ Financial Group, Inc.
MUSA	MUFG Securities Americas Inc.
nm	Not meaningful
OCC	Office of the Comptroller of the Currency
OCI	Other comprehensive income
OREO	Other real estate owned
RMBS	Residential mortgage-backed security
SEC	Securities and Exchange Commission
SERP	Supplemental Executive Retirement Plan
TCJA	Tax Cuts and Jobs Act
TDR	Troubled debt restructuring
TLAC	Total Loss Absorbing Capacity
VIE	Variable interest entity

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NOTE REGARDING FORWARD-LOOKING STATEMENTS

This report includes forward-looking statements, which include expectations for our operations and business and our assumptions for those expectations. Do not rely unduly on forward-looking statements. Actual results might differ significantly compared to our expectations. See Part I, Item 1A. “Risk Factors,” in our 2018 Form 10-K, Part II, Item 1A. “Risk Factors” in this Form 10-Q, and the other risks described in this Form 10-Q and in our 2018 Form 10-K, for factors to be considered when reading any forward-looking statements in this filing.

Forward-looking statements are subject to the "safe harbor" created by section 27A of the Securities Act of 1933, as amended, and section 21E of the Securities Exchange Act of 1934, as amended. We may make forward-looking statements in our SEC filings, press releases, news articles and when we are speaking on behalf of MUFG Americas Holdings Corporation and its subsidiaries. Forward-looking statements can be identified by the fact that they do not relate strictly to historical or current facts. Often, they include the words "believe," "expect," "target," "anticipate," "intend," "plan," "seek," "estimate," "potential," "project," "forecast," "outlook," words of similar meaning, or future or conditional verbs such as "will," "would," "should," "could," "might," or "may." These forward-looking statements are intended to provide investors with additional information with which they may assess our future potential. All of these forward-looking statements are based on assumptions about an uncertain future and are based on information known to our management at the date of these statements. We do not undertake to update forward-looking statements to reflect facts, circumstances, assumptions or events that occur after the date any forward-looking statements are made.

In this document and other reports to the SEC, for example, we make forward-looking statements, which discuss our expectations about:

• Our business objectives, strategies and initiatives, organizational structure, business growth, competitive position and prospects, and the effect of competition on our business and strategies

• Our assessment of significant factors and developments that have affected or may affect our results

• Our assessment of economic conditions and trends, economic and credit cycles and their impact on our business

• The economic outlook for the U.S. in general, West Coast states and global economies

• The impact of changes in interest rates resulting from changes in Federal Reserve policy or for other reasons, our strategy to manage our interest rate risk profile and other market risks, our outlook for short-term and long-term interest rates and their effect on our net interest margin, our investment portfolio, our balance sheet composition, our borrowers’ ability to service their loans and residential mortgage loans and refinancings

• Pending and recent legislative and regulatory actions, and future legislative and regulatory developments, including the effects of legislation and other governmental measures, including the monetary policies of the Federal Reserve introduced in response to the financial crisis, and the ensuing recession affecting the banking system, financial markets and the U.S. economy, the Dodd-Frank Act, the EGRRCPA, changes to the deposit insurance assessment policies of the FDIC, the effect on and application of foreign and other laws and regulations to our business and operations, and anticipated fees, costs or other impacts on our business and operations as a result of these developments

• Our strategies and expectations regarding capital levels and liquidity, our funding base, deposits, long-term debt, issuance of additional notes under the Bank's unsecured bank note program, our expectations regarding the capital, liquidity and enhanced prudential standards adopted by the U.S. bank regulators as a result of or under the Dodd-Frank Act and the BCBS capital and liquidity standards including the Federal banking agencies' TLAC regulation, and other recently adopted and proposed regulations by the U.S. federal banking agencies, and the effect of the foregoing on our business and expectations regarding compliance

• Regulatory and compliance controls and processes and their impact on our business, including our operating costs and revenues

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• The costs and effects of legal actions, investigations, regulatory actions, criminal proceedings or similar matters, our anticipated litigation strategies, our assessment of the timing and ultimate outcome of legal actions, or adverse facts and developments related thereto

• Our allowance for credit losses, including the conditions we consider in determining the unallocated allowance and our portfolio credit quality, probability of default and credit migration trends, and severity of loss upon default

• Loan portfolio composition and risk rating trends, residential loan delinquency rates compared to the industry average, portfolio credit quality, our strategy regarding TDRs, and our intent to sell or hold loans we originate

• Our intent to sell or hold, and the likelihood that we would be required to sell, or expectations regarding recovery of the amortized cost basis of, various investment securities

• Our hedging strategies, positions, expectations regarding reclassifications of gains or losses on hedging instruments into earnings; and the sensitivity of our net income to various factors, including customer behavior relating to mortgage prepayments and deposit repricing

• Expected rates of return, maturities, yields, loss exposure, growth rates, pension plan strategies, contributions and benefit payments, forecasted balance sheet activity and projected results

• Tax rates and taxes, the possible effect of changes in taxable profits of the U.S. operations of MUFG on our state tax obligations and of expected tax credits or benefits

• Critical accounting policies and estimates, the impact or anticipated impact of recent accounting pronouncements, guidance or changes in accounting principles and future recognition of impairments for the fair value of assets, including goodwill, financial instruments, intangible assets and other assets

• Decisions to downsize, sell or close units, dissolve subsidiaries, expand our branch network, pursue acquisitions, purchase banking facilities and equipment, realign our business model or otherwise restructure, reorganize or change our business mix, or the transfer to MUAH by MUFG of its interests in U.S. subsidiaries, and their timing and impact on our business

• Our expectations regarding the impact of acquisitions on our business and results of operations

• The impact of changes in our credit ratings including methodology changes adopted by rating agencies

• Maintenance of casualty and liability insurance coverage appropriate for our operations

• The relationship between our business and that of MUFG Bank, Ltd. and MUFG, the impact of their credit ratings, operations or prospects on our credit ratings and actions that may or may not be taken by MUFG Bank, Ltd. and MUFG

• Threats to the banking sector and our business due to cyber-security issues and attacks on financial institutions and other businesses, such as large retailers, and regulatory expectations relating to cyber-security

• Our understanding that MUFG Bank, Ltd. will continue to limit its participation in transactions with Iranian entities and individuals to certain types of transactions

• The objectives and effects on operations of our business integration initiative and its near term effect on our balance sheet, earnings and capital ratios

• The effect of a possible return of the California drought on its economy and related governmental actions and the potential consequences of recent California wildfires or other natural disasters

• Descriptions of assumptions underlying or relating to any of the foregoing

Readers of this document should not rely unduly on any forward-looking statements, which reflect only our management’s belief as of the date of this report. There are numerous risks and uncertainties that could cause actual outcomes and results to differ materially from those discussed in our forward-looking statements. Many of these factors are beyond our ability to control or predict and could have a material adverse effect on

5

our financial condition, results of operations or prospects. Such risks and uncertainties include, but are not limited to, those described or referred to in Part I, Item 1. “Business” under the captions “Competition” and “Supervision and Regulation” in our 2018 Form 10-K, and in Part II, Item 1A. “Risk Factors” and Part I, Item 2. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in this Form 10-Q, and in our other reports to the SEC.

Any factor described in this report or in our other reports could by itself, or together with one or more other factors, adversely affect our business, prospects, results of operations or financial condition.

6

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

MUFG Americas Holdings Corporation and Subsidiaries

Consolidated Financial Highlights

	For the Three Months Ended
(Dollars in millions)	March 31, 2019			March 31, 2018			Percent Change
Results of operations:
Net interest income	$	783		$	825		(5	)%
Noninterest income	632			382			65
Total revenue	1,415			1,207			17
Noninterest expense	1,170			1,084			8
Pre-tax, pre-provision income(1)	245			123			99
(Reversal of) provision for credit losses	38			(2		)	nm
Income before income taxes and including noncontrolling interests	207			125			66
Income tax expense (benefit)	28			(42		)	167
Net income including noncontrolling interests	179			167			7
Deduct: Net loss (income) from noncontrolling interests	5			(1		)	nm
Net income attributable to MUAH	$	184		$	166		11
Balance sheet (period average):
Total assets	$	167,530		$	157,436		6	%
Total securities	27,101			27,446			(1	)
Securities borrowed or purchased under resale agreements	22,288			20,660			8
Total loans held for investment	87,136			80,656			8
Earning assets	153,969			143,715			7
Total deposits	90,683			83,609			8
Securities loaned or sold under repurchase agreements	27,148			27,130			—
MUAH stockholders' equity	16,717			18,132			(8	)
Performance ratios:
Return on average assets(2)	0.44		%	0.42		%
Return on average MUAH stockholders' equity(2)	4.41			3.66
Return on average MUAH tangible common equity(2)(3)	5.76			4.69
Efficiency ratio(4)	82.67			89.84
Adjusted efficiency ratio (5)	78.96			75.64
Net interest margin(2)(6)	2.06			2.32
Net loans charged-off to average total loans held for investment(2)	0.08			0.05

7

MUFG Americas Holdings Corporation and Subsidiaries

Consolidated Financial Highlights (Continued)

	As of
	March 31, 2019			December 31, 2018			Percent Change
Balance sheet (end of period):
Total assets	$	170,707		$	168,100		2	%
Total securities	28,216			27,215			4
Securities borrowed or purchased under resale agreements	22,860			22,368			2
Total loans held for investment	87,587			86,507			1
Nonperforming assets	637			422			51
Total deposits	92,905			90,979			2
Securities loaned or sold under repurchase agreements	27,425			27,285			1
Long-term debt	17,335			17,918			(3	)
MUAH stockholders' equity	16,897			16,508			2
Credit ratios:
Allowance for loan losses to total loans held for investment(7)	0.59		%	0.55		%
Allowance for loan losses to nonaccrual loans(7)	81.34			112.50
Allowance for credit losses to total loans held for investment(8)	0.72			0.71
Allowance for credit losses to nonaccrual loans(8)	100.00			145.61
Nonperforming assets to total loans held for investment and OREO	0.73			0.49
Nonperforming assets to total assets	0.37			0.25
Nonaccrual loans to total loans held for investment	0.72			0.49
Capital ratios:
Regulatory(9):
Common Equity Tier 1 risk-based capital ratio	13.95		%	13.96		%
Tier 1 risk-based capital ratio	13.95			13.96
Total risk-based capital ratio	14.60			14.60
Tier 1 leverage ratio	8.70			8.77
Other:
Tangible common equity ratio(10)	7.96		%	7.89		%

8

MUFG Americas Holdings Corporation and Subsidiaries

Consolidated Financial Highlights (Continued)

(1) Pre-tax, pre-provision income is total revenue less noninterest expense. Management believes that this is a useful financial measure because it enables investors and others to assess the Company's ability to generate capital to cover credit losses through a credit cycle.

(2) Annualized.

(3) Return on tangible common equity, a non-GAAP financial measure, is net income excluding intangible asset amortization divided by average tangible common equity. Management believes that this ratio provides useful supplemental information regarding the Company's business results. The methodology for determining tangible common equity may differ among companies. See "Non-GAAP Financial Measures" in Part I, Item 2. "Management's Discussion and Analysis of Financial Condition and Results of Operations" in this Form 10-Q for additional information.

(4) The efficiency ratio is total noninterest expense as a percentage of total revenue (net interest income and noninterest income).

(5) The adjusted efficiency ratio, a non-GAAP financial measure, is adjusted noninterest expense (noninterest expense excluding costs associated with services provided to MUFG Bank, Ltd. branches in the U.S.) as a percentage of adjusted total revenue (net interest income and noninterest income excluding fees from affiliates for services provided to MUFG Bank, Ltd.'s branches in the U.S. and the impact of the TCJA). Management believes adjusting the efficiency ratio for the fees and costs associated with services provided to MUFG Bank, Ltd. branches in the U.S. enhances the comparability of MUAH's efficiency ratio when compared with other financial institutions. Management believes adjusting revenue for the impact of the TCJA enhances comparability between periods. See "Non-GAAP Financial Measures" in Part I, Item 2. "Management's Discussion and Analysis of Financial Condition and Results of Operations" in this Form 10-Q for additional information.

(6) Yields, interest income and net interest margin are presented on a taxable-equivalent basis using the federal statutory tax rate of 21%.

(7) The allowance for loan losses ratios are calculated using the allowance for loan losses as a percentage of end of period total loans held for investment or total nonaccrual loans, as appropriate.

(8) The allowance for credit losses ratios include the allowances for loan losses and for losses on unfunded credit commitments as a percentage of end of period total loans held for investment or total nonaccrual loans, as appropriate.

(9) These capital ratios are calculated in accordance with the guidelines set forth in the U.S. federal banking agencies' final U.S. Basel III regulatory capital rules.

(10) The tangible common equity ratio, a non-GAAP financial measure, is calculated as tangible common equity divided by tangible assets. The methodology for determining tangible common equity may differ among companies. The tangible common equity ratio facilitates the understanding of the Company's capital structure and is used to assess and compare the quality and composition of the Company's capital structure to other financial institutions. See "Capital Management" in Part I, Item 2. "Management's Discussion and Analysis of Financial Condition and Results of Operations" in this Form 10-Q for additional information.

9

Please refer to our Consolidated Financial Statements and the Notes to the Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2018 (2018 Form 10-K) along with the following discussion and analysis of our consolidated financial position and results of operations for the period ended March 31, 2019 in this Form 10-Q. Averages, as presented in the following tables, are substantially all based upon daily average balances.

As used in this Form 10-Q, terms such as the "Company,” “we,” “us” and “our” refer to MUFG Americas Holdings Corporation (MUAH), one or more of its consolidated subsidiaries, or to all of them together. As permitted by General Instruction H(2) of Form 10-Q, we have abbreviated Management's Discussion and Analysis into a management's narrative analysis of the results of operations.

Introduction

We are a financial holding company, bank holding company and intermediate holding company whose principal subsidiaries are MUFG Union Bank, N.A. (MUB or the Bank) and MUSA. We are owned by MUFG Bank, Ltd. and MUFG. MUFG Bank, Ltd. is a wholly-owned subsidiary of MUFG.

The Company has four reportable segments: Regional Bank, U.S. Wholesale & Investment Banking, Transaction Banking and MUSA. We service U.S. Wholesale & Investment Banking, certain Transaction Banking, and MUSA customers through the MUFG brand and serve Regional Bank and Transaction Banking customers through the Union Bank brand. We provide a wide range of financial services to consumers, small businesses, middle-market companies and major corporations, both nationally and internationally.

The Company also provides various business, banking, financial, administrative and support services, and facilities for MUFG Bank, Ltd. in connection with the operation and administration of MUFG Bank, Ltd.'s business in the U.S. (including MUFG Bank, Ltd.'s U.S. branches). The Bank and MUFG Bank, Ltd. are parties to a master services agreement whereby the Bank earns fee income in exchange for services and facilities provided.

The Company’s leadership team is bicoastal with Regional Bank and Transaction Banking leaders on the West Coast while U.S. Wholesale & Investment Banking and MUSA leaders are based in New York City. The corporate headquarters (principal executive office) for MUB, MUSA and MUAH is in New York City. MUB's main banking office is in San Francisco. The Company had consolidated assets of $170.7 billion at March 31, 2019.

Executive Overview

We are providing you with an overview of what we believe are the most significant factors and developments that affected our first quarter 2019 results and that could influence our future results. Further detailed information can be found elsewhere in this Form 10-Q. In addition, you should carefully read this entire document and any other reports that we refer to in this Form 10-Q for more detailed information to assist your understanding of trends, events and uncertainties that impact us.

Our sources of revenue are net interest income and noninterest income (collectively “total revenue”). Net interest income is generated predominantly from interest earned from loans, investment securities, securities borrowed or purchased under resale agreements, trading account assets and other interest-earning assets, less interest incurred on deposits and borrowings, securities loaned or sold under repurchase agreements and other interest-bearing liabilities. The primary sources of noninterest income are revenues from investment banking and syndication fees, service charges on deposit accounts, trust and investment management fees, trading account activities, credit facility fees, and fees from affiliates. Changes in interest rates, credit quality, economic trends and the capital markets are primary factors that affect our revenue sources. In the first quarter of 2019, revenue was comprised of 55% net interest income and 45% noninterest income. A summary of our financial results is discussed below.

Our primary sources of liquidity are core deposits, securities and wholesale funding. Core deposits exclude brokered deposits, foreign time deposits, domestic time deposits greater than $250,000, and certain other deposits not considered to be core customer relationships. Wholesale funding includes unsecured funds raised from MUFG Bank, Ltd. and affiliates, interbank and other sources, both domestic and international, funding secured by certain assets, or by borrowing from the FHLB. We evaluate and monitor the stability and reliability of our various funding sources to help ensure that we have sufficient liquidity when adverse situations arise.

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Performance Highlights

Net income attributable to MUAH was $184 million for the three months endedMarch 31, 2019, an increase of $18 million compared with the same period in 2018, due to a $122 million increase in pre-tax pre-provision income largely offset by a $40 million increase in provision for credit losses and a $70 million increase in tax expense.

Pre-tax, pre-provision income increased primarily due to losses in the first quarter of 2018 when the Company recorded its share of losses on certain renewable energy investments of $164 million as a result of the TCJA. This nonrecurring loss in the first quarter of 2018 resulted in an increase in noninterest income in the first quarter of 2019, which was partially offset by a $42 million decline in net interest income due primarily to higher borrowing costs. The provision for credit losses increased primarily due to the impact of specific reserves for impaired loans during the first quarter of 2019, as well as the growth in our unsecured consumer loan portfolio. Tax expense increased primarily due to an adjustment to certain state income taxes in the first quarter of 2018.

Capital Ratios

The Company's capital ratios continued to exceed all well-capitalized and minimum regulatory thresholds for BHCs, as applicable. The U.S. Basel III Common Equity Tier 1, Tier 1 and Total risk-based capital ratios were 13.95%, 13.95% and 14.60%, respectively, at March 31, 2019. The Tier 1 leverage ratio was 8.70% at March 31, 2019.

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Financial Performance

Net Interest Income

The following tables show the major components of net interest income and the net interest margin.

	For the Three Months Ended
	March 31, 2019							March 31, 2018
	Average Balance			Interest Income/ Expense(1)		Average Yield/ Rate(1)(2)		Average Balance			Interest Income/ Expense(1)		Average Yield/ Rate(1)(2)
(Dollars in millions)
Assets
Loans held for investment:(3)
Commercial and industrial	$	25,268		$	280	4.49	%	$	23,462		$	225	3.91	%
Commercial mortgage	15,355			161		4.21		14,336			148		4.12
Construction	1,605			21		5.19		1,813			20		4.40
Lease financing	1,231			13		4.11		1,505			16		4.23
Residential mortgage	38,426			343		3.58		36,051			311		3.45
Home equity and other consumer loans	5,251			93		7.14		3,489			54		6.28
Total loans held for investment	87,136			911		4.20		80,656			774		3.86
Securities	27,101			165		2.44		27,446			165		2.41
Securities borrowed or purchased under resale agreements	22,288			334		6.08		20,660			126		2.47
Interest bearing deposits in banks	6,065			36		2.41		2,707			11		1.65
Federal funds sold	3			—		5.49		20			—		1.94
Trading account assets	10,832			93		3.47		11,622			93		3.23
Other earning assets	544			5		3.48		604			3		2.00
Total earning assets	153,969			1,544		4.04		143,715			1,172		3.28
Allowance for loan losses	(473		)					(473		)
Cash and due from banks	1,739							1,839
Other assets(4)	12,295							12,355
Total assets	$	167,530						$	157,436
Liabilities
Interest bearing deposits:
Transaction and money market accounts	$	37,092		$	86	0.94	%	$	36,966		$	41	0.44	%
Savings	9,623			24		1.00		8,574			11		0.52
Time	12,900			74		2.33		5,342			16		1.23
Total interest bearing deposits	59,615			184		1.25		50,882			68		0.54
Commercial paper and other short-term borrowings	9,248			56		2.46		8,550			33		1.58
Securities loaned or sold under repurchase agreements	27,148			355		5.30		27,130			138		2.07
Long-term debt	17,051			131		3.07		13,946			80		2.29
Total borrowed funds	53,447			542		4.10		49,626			251		2.05
Trading account liabilities	3,886			29		2.99		3,602			22		2.45
Total interest-bearing liabilities	116,948			755		2.61		104,110			341		1.32
Noninterest bearing deposits	31,068							32,727
Other liabilities(5)	2,727							2,367
Total liabilities	150,743							139,204
Equity
MUAH stockholders' equity	16,717							18,132
Noncontrolling interests	70							100
Total equity	16,787							18,232
Total liabilities and equity	$	167,530						$	157,436
Net interest income/spread (taxable-equivalent basis)				789		1.43	%				831		1.96	%
Impact of noninterest bearing deposits						0.55							0.32
Impact of other noninterest bearing sources						0.08							0.04
Net interest margin						2.06							2.32
Less: taxable-equivalent adjustment				6							6
Net interest income				$	783						$	825

(1) Yields, interest income and net interest margin are presented on a taxable-equivalent basis using the federal statutory tax rate of 21%.

(2) Annualized.

(3) Average balances of loans held for investment include nonaccrual loans. The amortized portion of net loan origination fees (costs) is included in interest income on loans, representing an adjustment to the yield.

(4) Other assets include noninterest bearing trading account assets.

(5) Other liabilities include noninterest bearing trading account liabilities.

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Net interest income for the three months endedMarch 31, 2019 decreased $42 million compared with the same period in 2018 due to a decline in the net interest margin partially offset by an increase in earning assets. The net interest margin decreased twenty-six basis points primarily due to an increase in funding costs partially offset by the favorable effect of noninterest bearing deposits in a rising rate environment. Earning assets increased largely due to increases in interest bearing deposits in banks, and residential mortgage, commercial and industrial, and home equity and other consumer loans.

Noninterest Income and Noninterest Expense

The following tables display our noninterest income and noninterest expense for the three months endedMarch 31, 2019 and 2018.

Noninterest Income

	For the Three Months Ended
						Increase (Decrease)
	March 31, 2019		March 31, 2018
(Dollars in millions)						Amount			Percent
Service charges on deposit accounts	$	42	$	45		$	(3	)	(7	)%
Trust and investment management fees	29		29			—			—
Trading account activities	19		2			17			nm
Securities gains, net	1		—			1			100
Credit facility fees	23		23			—			—
Brokerage commissions and fees	20		18			2			11
Card processing fees, net	13		12			1			8
Investment banking and syndication fees	124		89			35			39
Fees from affiliates	342		276			66			24
Other, net	19		(112		)	131			117
Total noninterest income	$	632	$	382		$	250		65

Noninterest income increased during the three months endedMarch 31, 2019 compared with the same period in 2018 largely due to an increase in fees from affiliates as a result of increased services provided to MUFG Bank, Ltd. under the master services agreement and the Company's share of losses on certain renewable energy investments of $164 million recorded in the first quarter of 2018 as a result of the TCJA (included in other, net).

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Noninterest Expense

	For the Three Months Ended
					Increase (Decrease)
	March 31, 2019		March 31, 2018
(Dollars in millions)					Amount			Percent
Salaries and employee benefits	$	685	$	670	$	15		2	%
Net occupancy and equipment	112		90		22			24
Professional and outside services	160		132		28			21
Software	80		70		10			14
Regulatory assessments	16		23		(7		)	(30	)
Intangible asset amortization	7		7		—			—
Other	110		92		18			20
Total noninterest expense	$	1,170	$	1,084	$	86		8

The increase in noninterest expense for the three months endedMarch 31, 2019 compared with the same period in 2018 was largely driven by increased services provided to MUFG Bank, Ltd. under the master services agreement.

Income Tax Expense

In the first quarter of 2019, income tax expense was $28 million and the effective tax rate was 13%, compared with an income tax benefit of $42 million and an effective tax rate of negative 34% in the first quarter of 2018. The income tax benefit and the negative effective tax rate for the three months endedMarch 31, 2018 were largely due to an adjustment to certain prior period state income taxes during the first quarter of 2018. Excluding that adjustment, the effective tax rate for three months endedMarch 31, 2018 would have been 11%.

For additional information regarding income tax expense, see "Income Tax Expense" in Part II, Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations", “The changes in the U.S. tax laws, the majority of which were effective January 1, 2018, will impact our business and results of operations in a variety of ways, some of which are expected to be positive and others which may be negative” and “Our effective tax rates, and our future results can also be affected by our participation for state income tax purposes as a member of MUFG’s unitary group in the U.S. and by other factors” in Part I, Item 1A. "Risk Factors" and Note 17 "Income Taxes" to our Consolidated Financial Statements in Part II, Item 8. “Financial Statements and Supplementary Data” in our 2018 Form 10-K.

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Balance Sheet Analysis

Securities

Our securities portfolio is primarily used for liquidity and interest rate risk management purposes, to invest cash resulting from excess liquidity, and to a lesser extent, to support our business development objectives. We strive to maximize total return while managing this objective within appropriate risk parameters. Securities available for sale are substantially comprised of U.S. Treasury securities, U.S. government-sponsored agency securities, RMBSs, CMBSs, Cash Flow CLOs, and direct bank purchase bonds. Direct bank purchase bonds are instruments that are issued in bond form, accounted for as securities, but underwritten as loans with features that are typically found in commercial loans, and are subject to national bank regulatory lending authority standards. These instruments typically are not issued in bearer form, nor are they registered with the SEC or the Depository Trust Company. Additionally, these instruments generally contain certain transferability restrictions and are not assigned external credit ratings. Securities held to maturity consist of U.S. Treasury securities, U.S. government-sponsored agency securities and U.S. government-sponsored agency RMBSs and CMBSs.

The amortized cost, gross unrealized gains, gross unrealized losses and fair values of securities, and securities pledged as collateral, are detailed in Note 2 "Securities" to our Consolidated Financial Statements in Part I, Item 1. "Financial Statements" in this Form 10-Q.

Loans Held for Investment

The following table shows loans held for investment outstanding by loan type at the end of each period presented.

					Increase (Decrease)
	March 31, 2019		December 31, 2018
(Dollars in millions)					Amount			Percent
Loans held for investment:
Commercial and industrial	$	25,303	$	24,919	$	384		2	%
Commercial mortgage	15,299		15,354		(55		)	—
Construction	1,691		1,613		78			5
Lease financing	1,322		1,249		73			6
Total commercial portfolio	43,615		43,135		480			1
Residential mortgage	38,439		38,439		—			—
Home equity and other consumer loans	5,533		4,933		600			12
Total consumer portfolio	43,972		43,372		600			1
Total loans held for investment	$	87,587	$	86,507	$	1,080		1

Loans held for investment increased from December 31, 2018 to March 31, 2019, primarily due to growth in the commercial and industrial and unsecured consumer loan portfolios.

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Deposits

The table below presents our deposits as of March 31, 2019 and December 31, 2018.

					Increase (Decrease)
	March 31, 2019		December 31, 2018
(Dollars in millions)					Amount			Percent
Interest checking	$	3,762	$	3,598	$	164		5	%
Money market	33,499		34,373		(874		)	(3	)
Total interest bearing transaction and money market accounts	37,261		37,971		(710		)	(2	)
Savings	9,649		9,515		134			1
Time	14,501		11,739		2,762			24
Total interest bearing deposits	61,411		59,225		2,186			4
Noninterest bearing deposits	31,494		31,754		(260		)	(1	)
Total deposits	$	92,905	$	90,979	$	1,926		2

Total deposits increased $1.9 billion from December 31, 2018 to March 31, 2019 due to an increase in time deposits, partially offset by a decrease in money market accounts due to a decline in Consumer Banking deposits. The increase in time deposits was primarily related to brokered deposits and PurePoint Financial, the direct banking division of the Bank.

Securities Financing Arrangements

The Company enters into securities purchased under agreements to resell, securities sold under agreements to repurchase, and securities borrowing and lending transactions to facilitate customer match-book activity, cover short positions and to fund the Company's trading inventory. These balances are almost entirely attributable to MUSA. See Note 5 "Securities Financing Arrangements" to our Consolidated Financial Statements in Part I, Item 1. "Financial Statements" in this Form 10-Q for additional information.

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Capital Management

Both MUAH and MUB are subject to various capital adequacy regulations issued by the U.S. federal banking agencies, including requirements to complete an annual capital plan and to maintain minimum regulatory capital ratios. As of March 31, 2019, management believes the capital ratios of MUAH and MUB met all regulatory requirements of “well-capitalized” institutions.

MUAH is subject to regulatory requirements to develop and maintain a capital plan which must be reviewed and approved by its Board of Directors (or designated subcommittee thereof). The Board of Directors approved the Company's annual capital plan in March 2019. MUAH was granted regulatory administrative relief in 2019 and was not required to submit its capital plan to the Federal Reserve or participate in the 2019 CCAR process. MUAH remains subject to future cycles of the Federal Reserve CCAR program.

MUAH and MUB are required to maintain minimum capital ratios under the standardized approach in accordance with the BCBS capital guidelines for U.S. banking organizations issued by the U.S. federal banking agencies (U.S. Basel III Rules). Among other requirements, the U.S. Basel III Rules require a minimum Common Equity Tier 1 capital ratio of 4.5% and a capital conservation buffer of 2.5% (for a total minimum Common Equity Tier 1 capital ratio of 7.0%) and a Tier 1 leverage ratio of 4%.

The following tables summarize the calculation of MUAH’s risk-based capital ratios in accordance with the U.S. Basel III rules as of March 31, 2019 and December 31, 2018.

MUFG Americas Holdings Corporation

	U.S. Basel III
(Dollars in millions)	March 31, 2019		December 31, 2018
Capital Components
Common Equity Tier 1 capital	$	14,388	$	14,256
Tier 1 capital	$	14,388	$	14,256
Tier 2 capital	670		648
Total risk-based capital	$	15,058	$	14,904
Risk-weighted assets	$	103,124	$	102,088
Average total assets for leverage capital purposes	$	165,316	$	162,550

	U.S. Basel III								Minimum Capital Requirement with Capital Conservation Buffer (1)
(Dollars in millions)	March 31, 2019				December 31, 2018				March 31, 2019
Capital Ratios	Amount		Ratio		Amount		Ratio		Amount			Ratio
Common Equity Tier 1 capital (to risk-weighted assets)	$	14,388	13.95	%	$	14,256	13.96	%	≥	$	7,219	7.000	%
Tier 1 capital (to risk-weighted assets)	14,388		13.95		14,256		13.96		≥	8,766		8.500
Total capital (to risk-weighted assets)	15,058		14.60		14,904		14.60		≥	10,828		10.500
Tier 1 leverage(2)	14,388		8.70		14,256		8.77		≥	6,613		4.000

(1)Beginning January 1, 2019, the minimum capital requirement includes a capital conservation buffer of 2.5%.

(2)Tier 1 capital divided by quarterly average assets (excluding certain disallowed assets, primarily goodwill and other intangibles).

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The following tables summarize the calculation of MUB’s risk-based capital ratios in accordance with the guidelines set forth in the U.S. Basel III rules as of March 31, 2019 and December 31, 2018.

MUFG Union Bank, N.A.

	U.S. Basel III
(Dollars in millions)	March 31, 2019		December 31, 2018
Capital Components
Common Equity Tier 1 capital	$	13,454	$	13,316
Tier 1 capital	$	13,454	$	13,316
Tier 2 capital	609		589
Total risk-based capital	$	14,063	$	13,905
Risk-weighted assets	$	93,151	$	92,170
Average total assets for leverage capital purposes	$	128,112	$	125,461

	U.S. Basel III								Minimum Capital Requirement with Capital Conservation Buffer (1)					To Be Well-Capitalized Under Prompt Corrective Action Provisions
(Dollars in millions)	March 31, 2019				December 31, 2018				March 31, 2019
Capital Ratios	Amount		Ratio		Amount		Ratio		Amount			Ratio		Amount			Ratio
Common Equity Tier 1 capital (to risk-weighted assets)	$	13,454	14.44	%	$	13,316	14.45	%	≥	$	6,521	7.000	%	≥	$	6,055	6.50	%
Tier 1 capital (to risk-weighted assets)	13,454		14.44		13,316		14.45		≥	7,918		8.500		≥	7,452		8.00
Total capital (to risk-weighted assets)	14,063		15.10		13,905		15.09		≥	9,781		10.500		≥	9,315		10.00
Tier 1 leverage(2)	13,454		10.50		13,316		10.61		≥	5,124		4.000		≥	6,406		5.00

(1)Beginning January 1, 2019, the minimum capital requirement includes a capital conservation buffer of 2.5%.

(2)Tier 1 capital divided by quarterly average assets (excluding certain disallowed assets, primarily goodwill and other intangibles).

In addition to capital ratios determined in accordance with regulatory requirements, we consider the tangible common equity ratio when evaluating capital utilization and adequacy. This capital ratio is monitored by management, and presented below, to further facilitate the understanding of our capital structure and for use in assessing and comparing the quality and composition of the Company’s capital structure to other financial institutions. This ratio is not codified within GAAP or federal banking regulations in effect at March 31, 2019. Therefore, it is considered a non-GAAP financial measure. Our tangible common equity ratio calculation method may differ from those used by other financial services companies.

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The following table summarizes the calculation of the Company's tangible common equity ratio as of March 31, 2019 and December 31, 2018.

	March 31, 2019			December 31, 2018
(Dollars in millions)
Total MUAH stockholders' equity	$	16,897		$	16,508
Goodwill	(3,374		)	(3,301		)
Intangible assets, except mortgage servicing rights	(288		)	(285		)
Deferred tax liabilities related to goodwill and intangible assets	61			57
Tangible common equity (a)	$	13,296		$	12,979
Total assets	$	170,707		$	168,100
Goodwill	(3,374		)	(3,301		)
Intangible assets, except mortgage servicing rights	(288		)	(285		)
Deferred tax liabilities related to goodwill and intangible assets	61			57
Tangible assets (b)	$	167,106		$	164,571
Tangible common equity ratio (a)/(b)	7.96		%	7.89		%

For additional information regarding our regulatory capital requirements, see "Supervision and Regulation – Regulatory Capital and Liquidity Standards" in Part I, Item 1. "Business" in our 2018 Form 10-K.

Risk Management

All financial institutions must manage and control a variety of business risks that can significantly affect their financial condition and performance. Some of the key risks that the Company must manage include credit, market, liquidity, operational, interest rate, compliance, reputation and strategic risks. The Board, directly or through its appropriate committees, provides oversight and approves our various risk management policies. Management has established a risk management structure that is designed to provide a comprehensive approach for identifying, measuring, monitoring, controlling and reporting on the significant risks faced by the Company. For additional information regarding our risk management structure and framework, see “Risk Management” in Part II, Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2018 Form 10-K.

Credit Risk Management

One of our principal business activities is the extension of credit to individuals and businesses. Our policies and the applicable laws and regulations governing the extension of credit require risk analysis, including an extensive evaluation of the purpose of the request and the borrower’s ability and willingness to repay as scheduled. Our process also includes ongoing portfolio and credit management through portfolio diversification, lending limit constraints, credit review and approval policies, and extensive internal monitoring. For additional information regarding our credit risk management policies, see “Credit Risk Management” in Part II, Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2018 Form 10-K.

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Allowance for Credit Losses

We maintain an allowance for credit losses (defined as both the allowance for loan losses and the allowance for losses on unfunded credit commitments) to absorb losses inherent in the loan portfolio as well as for unfunded credit commitments. Understanding our policies on the allowance for credit losses is fundamental to understanding our consolidated financial condition and consolidated results of operations. Accordingly, our significant accounting policies on the allowance for credit losses are discussed in detail in Note 1 "Summary of Significant Accounting Policies and Nature of Operations" to our Consolidated Financial Statements in Part II, Item 8. “Financial Statements and Supplementary Data” and in “Allowance for Credit Losses” in Part II, Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2018 Form 10-K. For additional information regarding our allowance for loan losses, see Note 3 "Loans and Allowance for Loan Losses" to our Consolidated Financial Statements in Part I, Item 1. “Financial Statements” in this Form 10-Q.

The allowance for loan losses was $516 million at March 31, 2019 compared with $474 million at December 31, 2018. Our ratio of allowance for loan losses to total loans held for investment was 0.59% as of March 31, 2019 and 0.55% as of December 31, 2018. The provision for loan losses was $59 million for the three months endedMarch 31, 2019, primarily due to the impact of specific reserves for certain impaired loans and growth in our unsecured consumer loan portfolio. The unallocated allowance for loan losses was $5 million at December 31, 2018 and March 31, 2019. Net loans charged off to average total loans held for investment were 0.08% for the three months endedMarch 31, 2019 compared with 0.05% for the three months endedMarch 31, 2018.

Change in the Allowance for Loan Losses

The following table sets forth a reconciliation of changes in our allowance for loan losses.

	For the Three Months Ended March 31,
(Dollars in millions)	2019			2018
Allowance for loan losses, beginning of period	$	474		$	476
(Reversal of) provision for loan losses	59			(5		)
Loans charged off:
Commercial and industrial	(2		)	(6		)
Commercial and industrial - transfer to held for sale	(8		)	—
Commercial mortgage	(1		)	—
Total commercial portfolio	(11		)	(6		)
Home equity and other consumer loans	(17		)	(10		)
Total consumer portfolio	(17		)	(10		)
Total loans charged-off	(28		)	(16		)
Recoveries of loans previously charged-off:
Commercial and industrial	9			3
Total commercial portfolio	9			3
Home equity and other consumer loans	2			2
Total consumer portfolio	2			2
Total recoveries of loans previously charged-off	11			5
Net loans recovered (charged-off)	(17		)	(11		)
Ending balance of allowance for loan losses	516			460
Allowance for losses on unfunded credit commitments	118			126
Total allowance for credit losses	$	634		$	586

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Nonperforming Assets

Nonperforming assets consist of nonaccrual loans and OREO. Nonaccrual loans are those for which management has discontinued accrual of interest because there exists significant uncertainty as to the full and timely collection of either principal or interest, or such loans have become contractually past due 90 days with respect to principal or interest. OREO includes property where the Bank acquired title through foreclosure or “deed in lieu” of foreclosure. For a more detailed discussion of the accounting for nonaccrual loans, see Note 1 "Summary of Significant Accounting Policies and Nature of Operations" to our Consolidated Financial Statements in Part II, Item 8. “Financial Statements and Supplementary Data” in our 2018 Form 10-K.

The following table sets forth the components of nonperforming assets, TDRs, criticized assets and certain credit ratios.

	March 31, 2019			December 31, 2018			Increase (Decrease)
(Dollars in millions)							Amount			Percent
Nonaccrual loans:
Commercial and industrial	$	478		$	269		$	209		78	%
Commercial mortgage	12			12			—			—
Total commercial portfolio	490			281			209			74
Residential mortgage	124			121			3			2
Home equity and other consumer loans	20			19			1			5
Total consumer portfolio	144			140			4			3
Total nonaccrual loans	634			421			213			51
OREO	3			1			2			200
Total nonperforming assets	$	637		$	422		$	215		51
Troubled debt restructurings:
Accruing	$	296		$	299		$	(3	)	(1	)%
Nonaccruing (included in total nonaccrual loans above)	163			136			27			20
Total troubled debt restructurings	$	459		$	435		$	24		6
Criticized credits	$	1,740		$	1,264		$	476		38
Allowance for loan losses to nonaccrual loans	81.34		%	112.50		%
Allowance for credit losses to nonaccrual loans	100.00			145.61
Nonperforming assets to total loans held for investment and OREO	0.73			0.49
Nonperforming assets to total assets	0.37			0.25
Nonaccrual loans to total loans held for investment	0.72			0.49

Nonaccrual loans and criticized credits increased primarily due to a discrete event that affected certain exposures in the power and utilities sector. See Note 3 "Loans and Allowance for Loan Losses" to our Consolidated Financial Statements in Part I, Item 1. “Financial Statements” in this Form 10-Q for a description of criticized credits.

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Troubled Debt Restructurings

TDRs are loans where we have granted a concession to a borrower as a result of the borrower experiencing financial difficulty and, consequently, we receive less than the current market-based compensation for loans with similar risk characteristics. Such loans are reviewed for impairment either individually or in pools with similar risk characteristics. Our loss mitigation strategies are designed to minimize economic loss and, at times, may result in changes to the original terms, including interest rate changes, maturity extensions, forbearance, principal paydowns, covenant waivers or changes, payment deferrals, or some combination thereof. We evaluate whether these changes to the terms and conditions of our loans meet the TDR criteria after considering the specific situation of the borrower and all relevant facts and circumstances related to the modification. For our consumer portfolio segment, TDRs are typically initially placed on nonaccrual and a minimum of six consecutive months of sustained performance is required before returning to accrual status. For our commercial portfolio segment, we generally determine accrual status for TDRs by performing an individual assessment of each loan, which may include, among other factors, borrower performance under previous loan terms.

The following table provides a summary of TDRs by loan type, including nonaccrual loans and loans that have been returned to accrual status, as of March 31, 2019 and December 31, 2018. See Note 3 "Loans and Allowance for Loan Losses" to our Consolidated Financial Statements in Part I, Item 1. “Financial Statements” in this Form 10-Q for additional information.

					As a Percentage of Ending Loan Balances
(Dollars in millions)	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Commercial and industrial	$	137	$	109	0.51	%	0.42	%
Commercial mortgage	47		46		0.31		0.30
Construction	62		63		3.67		3.91
Total commercial portfolio	246		218		0.56		0.51
Residential mortgage	192		196		0.50		0.51
Home equity and other consumer loans	21		21		0.38		0.43
Total consumer portfolio	213		217		0.48		0.50
Total restructured loans	$	459	$	435	0.52		0.50

Loans 90 Days or More Past Due and Still Accruing

Loans held for investment 90 days or more past due and still accruing totaled $13 million and $23 million at March 31, 2019 and at December 31, 2018, respectively.

Concentration of Risk

Commercial and industrial loans are extended principally to corporations, middle-market businesses and small businesses and are originated primarily through our commercial banking offices. Our commercial and industrial portfolio is comprised primarily of the following industry sectors: finance and insurance, manufacturing, power and utilities, real estate and leasing, and wholesale trade. No individual industry sector exceeded 10% of our total loans held for investment at either March 31, 2019 or December 31, 2018.

Construction and commercial mortgage loans are secured by deeds of trust or mortgages. Construction loans are extended primarily to commercial property developers and to residential builders. At March 31, 2019, 64% of the Company’s construction loan portfolio was concentrated in California, 19% to borrowers in New York and 4% to borrowers in Washington. The commercial mortgage loan portfolio consists of loans secured by commercial income properties. At March 31, 2019, 65% of the Company’s commercial mortgage loans were made to borrowers located in California, 7% to borrowers in Washington, and 6% to borrowers in New York.

Residential mortgage loans are originated and secured by one-to-four family residential properties, through our multi-channel network, including branches, private bankers, mortgage brokers, telephone services, and web-based and mobile internet banking applications. We do not have a program for originating or purchasing subprime loan products and we hold the majority of the loans we originate.

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At March 31, 2019, payment terms on 36% of our residential mortgage loans required a monthly payment that covers the full amount of interest due, but did not reduce the principal balance. At origination, these interest-only loans had strong credit profiles and had weighted average LTV ratios of approximately 65%. The remainder of the portfolio consisted of regularly amortizing loans.

Home equity loans are originated principally through our branch network and private banking offices. Approximately 26% of these home equity loans and lines were supported by first liens on residential properties as of March 31, 2019 and December 31, 2018. To manage risk associated with lending commitments, we review all equity-secured lines annually for creditworthiness and may reduce or freeze limits, to the extent permitted by laws and regulations. Other consumer loans consist primarily of unsecured loans originated by marketplace lenders. The Company manages risk associated with these loans by establishing lending criteria similar to other consumer loans originated by the Company. See Note 3 "Loans and Allowance for Loan Losses" to our Consolidated Financial Statements in Part I, Item 1. “Financial Statements” in this Form 10-Q for additional information on refreshed FICO scores and refreshed LTV ratios for our residential mortgage and home equity and other consumer loans at March 31, 2019 and December 31, 2018.

Market Risk Management

The objective of market risk management is to mitigate any adverse impact on earnings and capital arising from changes in interest rates and other market variables. Market risk management supports our broad objective of enhancing shareholder value, which encompasses the achievement of stable earnings growth while promoting capital stability over time. Market risk is defined as the risk of loss arising from an adverse change in the market value of financial instruments caused by fluctuations in market prices or rates. The primary market risk to which we are exposed is interest rate risk. Interest rate risk arises from instruments, positions and transactions entered into for purposes other than trading and for trading. Other than trading interest rate risk arises from loans, securities, deposits, borrowings, securities purchased under agreements to resell, securities sold under agreements to repurchase, securities borrowing and lending transactions, and derivative instruments. Trading interest rate risk primarily arises from trading activities at MUAH's broker-dealer subsidiary, MUSA, and derivative contracts MUB enters into as a financial intermediary for customers. For additional information regarding our market risk management policies, see “Market Risk Management” in Part II, Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2018 Form 10-K.

Liquidity Risk Management

Liquidity risk is 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 contractual, including contingent, obligations. The objective of liquidity risk management is to maintain a sufficient amount of liquidity and diversity of funding sources to allow an institution to meet obligations in both stable and adverse conditions.

The management of liquidity risk is governed by MUAH ALM and Liquidity Risk Management Policies. The MUAH ALM Policy is under the oversight of ALCO, which oversees first line liquidity risk management activities conducted by Treasury. Treasury formulates the funding, liquidity and contingency planning strategies for the Company, the Bank and MUSA, and is responsible for identifying, managing and reporting on liquidity risk. The Liquidity Risk Management Policies for the Company, the Bank and MUSA are under the oversight of the ARC and the Risk Committee of the Board. MRM conducts independent oversight and governance of liquidity risk management activities to establish sound policies and effective risk and independent monitoring controls. We are also subject to a Contingency Funding Plan framework that identifies actions to be taken to help ensure adequate liquidity if an event should occur that disrupts or adversely affects the normal funding activities of the Company, the Bank or MUSA.

Liquidity risk is managed using a total balance sheet perspective that analyzes all sources and uses of liquidity including loans, investments, deposits and borrowings, as well as off-balance sheet exposures. Although we make an effort to diversify our sources of liquidity, as discussed below, we are required to maintain a minimum amount of TLAC-eligible debt due to affiliates beginning January 1, 2019. Various tools are used to measure and monitor liquidity, including forecasting of the sources and uses of cash flows over multiple time horizons and stress testing of the forecasts under various scenarios. Stress testing, which incorporates both institution-specific, and systemic market scenarios, as well as a combination scenario that adversely affects the Company's liquidity position and profile, facilitates the identification of appropriate remedial measures to help ensure that the Company maintains adequate liquidity in adverse conditions. Such measures may include extending the maturity profile of

23

liabilities, optimizing liability levels through pricing strategies, adding new funding sources, altering dependency on certain funding sources, adjusting asset growth and financing or selling assets.

We are subject to the Federal Reserve's rules imposing TLAC requirements on GSIBs with operations in the U.S., such as MUFG. These rules include an Internal TLAC requirement which sets a minimum amount of loss-absorbing instruments, which must be issued by the Company to MUFG or MUFG Bank, Ltd. (or another wholly-owned non-U.S. subsidiary of MUFG) due to MUFG's single point of entry resolution approach. These loss absorbing instruments are comprised of Tier 1 regulatory capital and long-term debt. TLAC Tier 1 regulatory capital is designed to absorb ongoing losses, while the conversion of TLAC-eligible long-term debt into common equity of the Company is intended to recapitalize the Company prior to any bankruptcy or insolvency proceedings. During the fourth quarter of 2018, the Company restructured existing debt issued to MUFG Bank, Ltd. and replaced a portion of its externally-placed debt with the issuance of internal TLAC-eligible debt issued to MUFG Bank, Ltd. in order to comply with the new rules. See "Supervision and Regulation – Dodd-Frank Act and Related Regulations" in Part I, Item 1. "Business" in our 2018 Form 10-K for additional information.

We maintain a substantial level of available liquidity in the form of on-balance sheet and off-balance sheet funding sources. Sources of liquidity include cash at the Federal Reserve, unencumbered liquid securities, and capacity to borrow on a secured basis at the FHLB of San Francisco and the Federal Reserve Bank’s Discount Window. Total unpledged securities were $25.8 billion at March 31, 2019. Our primary funding sources are customer deposits, secured FHLB advances, and unsecured short-term and long-term debt. Total deposits increased $1.9 billion from $91.0 billion at December 31, 2018 to $92.9 billion at March 31, 2019. As of March 31, 2019, the Bank had $14.6 billion of borrowings outstanding with the FHLB of San Francisco, and the Bank had a remaining unused borrowing capacity from the FHLB of San Francisco of $18.7 billion. The Bank maintains a $12.0 billion unsecured bank note program. Available funding under the bank note program was $4.6 billion at March 31, 2019. We do not have any firm commitments in place to sell additional notes under this program.

In addition to managing liquidity risk on a consolidated basis and at each of the major subsidiaries (the Bank and MUSA), we assess and monitor liquidity at the parent company (MUAH) and the other non-bank subsidiaries. The parent company maintains sufficient liquidity to meet expected obligations, without access to the wholesale funding markets or dividends from subsidiaries, for at least 18 months. At March 31, 2019, the parent company’s liquidity exceeded 18 months.

MUAH and its subsidiaries may borrow on a long-term basis from MUFG Bank, Ltd. and affiliates. As of March 31, 2019, the Company had total long-term debt issued to MUFG Bank, Ltd. and affiliates of $7.2 billion.

The Company’s total wholesale funding included $17.1 billion of long-term debt (excluding nonrecourse debt) and $8.8 billion of short-term debt at March 31, 2019. For additional information regarding our outstanding debt, see Note 6 "Commercial Paper and Other Short-Term Borrowings" and Note 7 "Long-Term Debt" to our Consolidated Financial Statements in Part I, Item 1. “Financial Statements” in this Form 10-Q. We evaluate and monitor the stability and reliability of our various funding sources to help ensure that we have sufficient liquidity in adverse circumstances.

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Our costs and ability to raise funds in the capital markets are influenced by our credit ratings. In April 2018, Standard & Poor's revised the outlook on MUAH, MUB and MUSA to positive from stable following a similar revision to MUFG’s outlook. The change in MUFG’s outlook is a result of Standard & Poor's revising the outlook on the long-term sovereign rating of Japan to positive from stable. The following table provides our credit ratings as of March 31, 2019.

		MUFG Union Bank, N.A.		MUFG Securities Americas Inc.	MUFG Americas Holdings Corporation
		Deposits	Senior Debt	Senior Debt	Senior Debt
Standard & Poor's	Long-term	–	A	A	A-
	Short-term	–	A-1	A-1	A-2
Moody's	Long-term	Aa2	A2	–	A2
	Short-term	P-1	P-1	–	–
Fitch	Long-term	A+	A	A	A
	Short-term	F1	F1	F1	F1

For additional information, including information about rating agency assessments, see “MUFG Bank Ltd.’s and Mitsubishi UFJ Financial Group’s credit ratings and financial or regulatory condition could adversely affect our operations” and "Our credit ratings are important in order to maintain liquidity" in Part I, Item 1A. "Risk Factors" in our 2018 Form 10-K.

The OCC, the Federal Reserve and the FDIC jointly adopted a final rule to implement a standardized quantitative liquidity requirement generally consistent with the LCR standards established by the BCBS. The LCR rule is designed to ensure that covered banking organizations maintain an adequate level of cash and HQLA, such as central bank reserves and government and corporate debt, to meet estimated net liquidity needs in a short-term stress scenario using liquidity inflow and outflow assumptions provided in the rule (net cash outflow). At March 31, 2019, the Company was in compliance with the LCR requirements.

For additional information regarding this rule, see "Supervision and Regulation-Regulatory Capital and Liquidity Standards-Liquidity Coverage Ratio" in Part I, Item 1. of our 2018 Form 10-K and "The effects of changes or increases in, or supervisory enforcement of, banking, securities, competition or other laws and regulations or governmental fiscal, monetary, or tax policies could adversely affect us or make strategic planning more difficult" in Part I, Item 1A. "Risk Factors" of our 2018 Form 10-K.

Operational Risk Management

Operational risk is defined as the risk of loss resulting from inadequate or failed internal processes, people and systems or from external events. Operational risk includes legal risk, but excludes strategic and reputation risk. In particular, information security is a significant operational risk element for the Company and includes the risk of losses resulting from cyber-attacks or other related cyber incidents. See “We are subject to a wide array of operational risks, including, but not limited to, cyber-security risks” in Part I, Item 1A. “Risk Factors” in our 2018 Form 10-K. Operational risk is mitigated through a system of internal controls that are designed to keep these risks at appropriate levels. For additional information regarding our operational risk management policies, see “Operational Risk Management” in Part II, Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2018 Form 10-K.

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Critical Accounting Estimates

MUAH’s Consolidated Financial Statements are prepared in accordance with GAAP, which includes management estimates and judgments. The financial information contained within our statements is, to a significant extent, financial information that is based on estimates used to measure the financial effects of transactions and events that have already occurred. A variety of factors could affect the ultimate value that is obtained either when earning income, recognizing an expense, recovering an asset or relieving a liability. For example, we use discount factors and other assumptions to measure certain assets and liabilities. A change in the discount factor or other important assumptions could significantly increase or decrease the reported amounts of those assets and liabilities and result in either a beneficial or an adverse impact to our financial results. We estimate probability of default and the loss severity associated with the default (i.e. the loss-given default) to estimate the credit losses inherent in our loan and lease portfolios held for investment and certain off-balance sheet commitments on the balance sheet date. Actual losses could differ significantly from our loss estimates. Other significant estimates that we use include the valuation of certain derivatives and securities, the assumptions used in measuring our transfer pricing revenue, pension obligations, goodwill impairment, and assumptions regarding our effective tax rates. Management has reviewed and approved these critical accounting policies and has discussed these policies with the Audit & Finance Committee.

The Company continuously monitors inputs used when performing its annual goodwill impairment such as the cash flow projections developed to estimate the fair value of its reporting units. When a disruption in the Company’s business, unexpected significant declines in operating results, or significant trends become apparent that may negatively affect those projections, the Company may have to assess the need to perform the first step of the quantitative impairment test to conclude whether the fair value of the reporting unit is still above its carrying amount.

Understanding our accounting policies is fundamental to understanding our consolidated financial condition and consolidated results of operations. Accordingly, both our critical accounting estimates and our significant accounting policies are discussed in detail in our 2018 Form 10-K. There were no material changes to these critical accounting estimates during the first quarter of 2019.

Non-GAAP Financial Measures

The following table presents a reconciliation between certain GAAP amounts and specific non-GAAP measures used to calculate return on average MUAH tangible common equity for the three months endedMarch 31, 2019 and 2018.

	For the Three Months Ended
(Dollars in millions)	March 31, 2019			March 31, 2018
Net income attributable to MUAH	$	184		$	166
Add: intangible asset amortization, net of tax	5			5
Net income attributable to MUAH, excluding intangible asset amortization (a)	$	189		$	171
Average MUAH stockholders' equity	$	16,717		$	18,132
Less: Goodwill	3,367			3,301
Less: Intangible assets, except mortgage servicing rights	295			310
Less: Deferred tax liabilities related to goodwill and intangible assets	(60		)	(56		)
Average MUAH tangible common equity (b)	$	13,115		$	14,577
Return on average MUAH tangible common equity (1) (a)/(b)	5.76		%	4.69		%

(1)     Annualized.

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The following table shows the calculation of the adjusted efficiency ratio for the three months endedMarch 31, 2019 and 2018. Management believes adjusting the efficiency ratio for the fees and costs associated with services provided to MUFG Bank, Ltd. branches in the U.S. enhances the comparability of MUAH's efficiency ratio when compared with other financial institutions. Management believes adjusting revenue for the impact of the TCJA enhances comparability between periods.

	For the Three Months Ended
(Dollars in millions)	March 31, 2019			March 31, 2018
Noninterest expense (a)	$	1,170		$	1,084
Less: Costs associated with services provided to MUFG Bank, Ltd. branches in the U.S.	310			241
Noninterest expense, as adjusted (b)	$	860		$	843
Total revenue (c)	1,415			1,207
Less: Fees from affiliates for services provided to MUFG Bank, Ltd.'s branches in the U.S.	326			256
Less: Impact of the TCJA	—			(164		)
Total revenue, as adjusted (d)	$	1,089		$	1,115
Efficiency ratio (a)/(c)	82.67		%	89.84		%
Adjusted efficiency ratio (b)/(d)	78.96		%	75.64		%

Disclosure of Iranian Activities under Section 13(r) of the Securities Exchange Act of 1934

We are disclosing the following information pursuant to Section 13(r) of the Securities Exchange Act of 1934 (Exchange Act), which requires an issuer to disclose whether it or any of its affiliates knowingly engaged in certain activities, transactions or dealings relating to Iran or with natural persons or entities designated by the U.S. government under specified Executive Orders. The scope of activities that must be reported includes activities not prohibited by U.S. law and conducted outside the United States in compliance with applicable local law. Because we are indirectly wholly-owned by MUFG, a Japanese corporation, our disclosure is required to include, in addition to our activities, transactions or dealings, those conducted outside the United States by non-U.S. affiliates of MUFG which are not controlled by us. We have requested that MUFG provide us a description of reportable activity under Section 13(r) and have received the following information:

During the quarter ended March 31, 2019, a non-U.S. subsidiary of MUFG engaged in business activities with entities in, or affiliated with, Iran, including counterparties owned or controlled by the Iranian government. Specifically, MUFG’s non-U.S. banking subsidiary, MUFG Bank, issued letters of credit and guarantees and provided remittance and other settlement services mainly in connection with customer transactions related to the purchase and exportation of Iranian crude oil to Japan, and in some cases, in connection with other petroleum-related transactions with Iran by its customers. These transactions did not involve U.S. dollars nor clearing services of U.S. banks for the settlement of payments. For the quarter ended March 31, 2019, the aggregate interest and fee income relating to these transactions was less than ¥20 million, representing less than 0.005 percent of MUFG’s total interest and fee income. Some of these transactions were conducted through the use of non-U.S. dollar correspondent accounts and other similar settlement accounts maintained with MUFG Bank outside the United States by Iranian financial institutions and other entities in, or affiliated with, Iran. In addition to such accounts, MUFG Bank receives deposits in Japan from, and provides settlement services in Japan to, fewer than 10 Iranian government-related entities and fewer than 100 Iranian government-related individuals such as Iranian diplomats, and maintains settlement accounts outside the United States for certain other financial institutions specified in Executive Order 13382, which settlement accounts were frozen in accordance with applicable laws and regulations. For the quarter ended March 31, 2019, the average aggregate balance of deposits held in these accounts represented less than 0.1 percent of the average balance of MUFG’s total deposits. The fee income from the transactions attributable to these account holders was less than ¥1 million, representing less than 0.001 percent of MUFG’s total fee income.

We understand that MUFG Bank recognizes that following the withdrawal in May 2018 by the United States from the Joint Comprehensive Plan of Action, the United States has imposed secondary sanctions against non-U.S. persons who engage in or facilitate a broad range of transactions and activities involving Iran. We understand that MUFG Bank will take the recent sanctions related developments into account and monitor any

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future transactions relating to Iran in order to comply with applicable U.S. and Japanese regulations as well as U.S., Japanese and other international sanctions.

Item 3.   Quantitative and Qualitative Disclosures About Market Risk

The information called for by this item has been omitted pursuant to General Instruction H(2) of Form 10-Q.

Item 4.   Controls and Procedures

Disclosure Controls and Procedures. As of the end of the period covered by this report, an evaluation was carried out under the supervision and with the participation of the Company's management, including its Chief Executive Officer and its Chief Financial Officer, of the effectiveness of its disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934). Based on that evaluation, the Chief Executive Officer and the Chief Financial Officer concluded that these disclosure controls and procedures were effective.

Internal Control Over Financial Reporting. During the first quarter of 2019, there were no changes in our internal control over financial reporting that materially affected, or were reasonably likely to materially affect, our internal control over financial reporting.

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PART I. FINANCIAL INFORMATION

Item 1.   Financial Statements

MUFG Americas Holdings Corporation and Subsidiaries

Consolidated Statements of Income

(Unaudited)

	For the Three Months Ended March 31,
(Dollars in millions)	2019		2018
Interest Income
Loans	$	907	$	772
Securities	163		162
Securities borrowed or purchased under resale agreements	334		126
Trading assets	93		92
Other	41		14
Total interest income	1,538		1,166
Interest Expense
Deposits	184		68
Commercial paper and other short-term borrowings	56		33
Long-term debt	131		80
Securities loaned or sold under repurchase agreements	355		138
Trading liabilities	29		22
Total interest expense	755		341
Net Interest Income	783		825
(Reversal of) provision for credit losses	38		(2		)
Net interest income after (reversal of) provision for credit losses	745		827
Noninterest Income
Service charges on deposit accounts	42		45
Trust and investment management fees	29		29
Trading account activities	19		2
Securities gains, net	1		—
Credit facility fees	23		23
Brokerage commissions and fees	20		18
Card processing fees, net	13		12
Investment banking and syndication fees	124		89
Fees from affiliates	342		276
Other, net	19		(112		)
Total noninterest income	632		382
Noninterest Expense
Salaries and employee benefits	685		670
Net occupancy and equipment	112		90
Professional and outside services	160		132
Software	80		70
Regulatory assessments	16		23
Intangible asset amortization	7		7
Other	110		92
Total noninterest expense	1,170		1,084
Income before income taxes and including noncontrolling interests	207		125
Income tax expense (benefit)	28		(42		)
Net Income Including Noncontrolling Interests	179		167
Deduct: Net loss (income) from noncontrolling interests	5		(1		)
Net Income Attributable to MUAH	$	184	$	166

See accompanying Notes to Consolidated Financial Statements.

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MUFG Americas Holdings Corporation and Subsidiaries

Consolidated Statements of Comprehensive Income

(Unaudited)

	For the Three Months Ended March 31,
(Dollars in millions)	2019			2018
Net Income Attributable to MUAH	$	184		$	166
Other Comprehensive Income (Loss), Net of Tax:
Net change in unrealized gains (losses) on cash flow hedges	24			(58		)
Net change in unrealized gains (losses) on investment securities	152			(190		)
Foreign currency translation adjustment	—			(2		)
Pension and other postretirement benefit adjustments	6			10
Other	1			(1		)
Total other comprehensive income (loss)	183			(241		)
Comprehensive Income (Loss) Attributable to MUAH	367			(75		)
Comprehensive income (loss) from noncontrolling interests	(5		)	1
Total Comprehensive Income (Loss)	$	362		$	(74	)

See accompanying Notes to Consolidated Financial Statements.

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MUFG Americas Holdings Corporation and Subsidiaries

Consolidated Balance Sheets

(Unaudited)

(Dollars in millions, except per share amount)	March 31, 2019			December 31, 2018
Assets
Cash and due from banks	$	1,916		$	2,061
Interest bearing deposits in banks	7,003			6,289
Total cash and cash equivalents	8,919			8,350
Securities borrowed or purchased under resale agreements	22,860			22,368
Trading account assets (includes $1,849 at March 31, 2019 and $1,239 at December 31, 2018 pledged as collateral that may be repledged)	10,889			11,213
Securities available for sale (includes $110 at March 31, 2019 and $75 at December 31, 2018 pledged as collateral that may be repledged)	17,807			16,314
Securities held to maturity (fair value $10,331 at March 31, 2019 and $10,720 at December 31, 2018)	10,409			10,901
Loans held for investment	87,587			86,507
Allowance for loan losses	(516		)	(474		)
Loans held for investment, net	87,071			86,033
Goodwill	3,374			3,301
Other assets	9,378			9,620
Total assets	$	170,707		$	168,100
Liabilities
Deposits:
Noninterest bearing	$	31,494		$	31,754
Interest bearing	61,411			59,225
Total deposits	92,905			90,979
Securities loaned or sold under repurchase agreements	27,425			27,285
Commercial paper and other short-term borrowings	8,843			9,263
Long-term debt	17,335			17,918
Trading account liabilities	3,896			4,027
Other liabilities	3,339			2,048
Total liabilities	153,743			151,520
Commitments, contingencies and guarantees—See Note 12
Equity
MUAH stockholders' equity:
Preferred stock:
Authorized 5,000,000 shares; no shares issued or outstanding	—			—
Common stock, par value $1 per share:
Authorized 1,700,000,000 shares, 131,935,124 shares issued and outstanding as of March 31, 2019 and December 31, 2018	132			132
Additional paid-in capital	8,193			8,176
Retained earnings	9,713			9,524
Accumulated other comprehensive loss	(1,141		)	(1,324		)
Total MUAH stockholders' equity	16,897			16,508
Noncontrolling interests	67			72
Total equity	16,964			16,580
Total liabilities and equity	$	170,707		$	168,100

See accompanying Notes to Consolidated Financial Statements.

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MUFG Americas Holdings Corporation and Subsidiaries

Consolidated Statements of Changes in Stockholders' Equity

(Unaudited)

	MUAH Stockholders' Equity
(Dollars in millions)	Common Stock		Additional Paid-in Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Noncontrolling Interests			Total Equity
Balance, December 31, 2017	$	148	$	8,197		$	10,936		$	(1,026	)	$	100		$	18,355
Net income (loss)	—		—			166			—			1			167
Other comprehensive income (loss), net of tax	—		—			—			(241		)	—			(241		)
Compensation—restricted stock units	—		14			—			—			—			14
Other (1)	—		(21		)	(1		)	21			(1		)	(2		)
Net change	—		(7		)	165			(220		)	—			(62		)
Balance, March 31, 2018	$	148	$	8,190		$	11,101		$	(1,246	)	$	100		$	18,293
Balance, December 31, 2018	$	132	$	8,176		$	9,524		$	(1,324	)	$	72		$	16,580
Net income (loss)	—		—			184			—			(5		)	179
Other comprehensive income (loss), net of tax	—		—			—			183			—			183
Compensation—restricted stock units	—		17			—			—			—			17
Other	—		—			5			—			—			5
Net change	—		17			189			183			(5		)	384
Balance, March 31, 2019	$	132	$	8,193		$	9,713		$	(1,141	)	$	67		$	16,964

(1) For additional information on other, see Note 10 "Accumulated Other Comprehensive Income".

See accompanying Notes to Consolidated Financial Statements.

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MUFG Americas Holdings Corporation and Subsidiaries

Consolidated Statements of Cash Flows

(Unaudited)

	For the Three Months Ended March 31,
(Dollars in millions)	2019			2018
Cash Flows from Operating Activities:
Net income including noncontrolling interests	$	179		$	167
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
(Reversal of) provision for credit losses	38			(2		)
Depreciation, amortization and accretion, net	96			92
Stock-based compensation—restricted stock units	17			17
Deferred income taxes	(88		)	(90		)
Net gains on sales of securities	(1		)	—
Net decrease (increase) in securities borrowed or purchased under resale agreements	(492		)	992
Net decrease (increase) in securities loaned or sold under repurchase agreements	140			(46		)
Net decrease (increase) in trading account assets	324			(1,998		)
Net decrease (increase) in other assets	89			448
Net increase (decrease) in trading account liabilities	(131		)	274
Net increase (decrease) in other liabilities	491			(51		)
Loans originated for sale	(234		)	(255		)
Net proceeds from sale of loans originated for sale	612			260
Pension and other benefits adjustment	(10		)	(13		)
Other, net	(1		)	29
Total adjustments	850			(343		)
Net cash provided by (used in) operating activities	1,029			(176		)
Cash Flows from Investing Activities:
Proceeds from sales of securities available for sale	676			9
Proceeds from paydowns and maturities of securities available for sale	490			880
Purchases of securities available for sale	(1,760		)	(1,417		)
Proceeds from paydowns and maturities of securities held to maturity	1,170			386
Purchases of securities held to maturity	(850		)	—
Proceeds from sales of loans	121			240
Net decrease (increase) in loans	(1,002		)	(1,308		)
Purchases of other investments	(20		)	(36		)
Other, net	(204		)	(68		)
Net cash provided by (used in) investing activities	(1,379		)	(1,314		)
Cash Flows from Financing Activities:
Net increase (decrease) in deposits	1,927			(1,258		)
Net increase (decrease) in commercial paper and other short-term borrowings	(420		)	1,988
Proceeds from issuance of long-term debt	1,300			2,755
Repayment of long-term debt	(1,886		)	(815		)
Other, net	—			(21		)
Net cash provided by (used in) financing activities	921			2,649
Net change in cash, cash equivalents and restricted cash	571			1,159
Cash, cash equivalents and restricted cash at beginning of period	8,398			3,528
Cash, cash equivalents and restricted cash at end of period	$	8,969		$	4,687
Cash Paid During the Period For:
Interest	$	706		$	311
Income taxes, net	21			25
Supplemental Schedule of Noncash Investing and Financing Activities:
Net transfer of loans held for investment to (from) loans held for sale	$	71		$	(91	)
Securities held to maturity transferred to securities available for sale	170			—
Securities available for sale transferred to securities held to maturity	—			1,924
Lease assets upon adoption of ASU 2016-02, Leases	632			—
Lease liabilities upon adoption of ASU 2016-02, Leases	740			—
Reconciliation of Cash, Cash Equivalents and Restricted Cash:
Cash and cash equivalents	$	8,919		$	4,617
Restricted cash included in other assets	50			70
Total cash, cash equivalents and restricted cash per consolidated statement of cash flows	$	8,969		$	4,687

See accompanying Notes to Consolidated Financial Statements.

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Notes to Consolidated Financial Statements

Note 1—Summary of Significant Accounting Policies and Nature of Operations

MUFG Americas Holdings Corporation (MUAH) is a financial holding company, bank holding company and intermediate holding company whose principal subsidiaries are MUFG Union Bank, N.A. (MUB or the Bank) and MUFG Securities Americas Inc. (MUSA). MUAH provides a wide range of financial services to consumers, small businesses, middle-market companies and major corporations nationally and internationally. The Company also provides various business, banking, financial, administrative and support services, and facilities for MUFG Bank, Ltd. (formerly The Bank of Tokyo-Mitsubishi UFJ, Ltd.) in connection with the operation and administration of MUFG Bank, Ltd.'s business in the U.S. (including MUFG Bank, Ltd.'s U.S. branches). All of the Company's issued and outstanding shares of common stock are owned by MUFG Bank, Ltd. and MUFG. The unaudited Consolidated Financial Statements of MUFG Americas Holdings Corporation, its subsidiaries, and its consolidated variable interest entities (the Company) have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial reporting and the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the Rules and Regulations of the SEC. However, they do not include all of the disclosures necessary for annual financial statements. In the opinion of management, all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation have been included. The results of operations for the first quarter of 2019 are not necessarily indicative of the operating results anticipated for the full year. These unaudited Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2018 (2018 Form 10-K).

The preparation of financial statements in conformity with GAAP also requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expense during the reporting period. Although such estimates contemplate current conditions and management’s expectations of how they may change in the future, it is reasonably possible that actual results could differ significantly from those estimates. This could materially affect the Company’s results of operations and financial condition in the near term. Critical estimates made by management in the preparation of the Company’s financial statements include, but are not limited to, the allowance for credit losses (Note 3 "Loans and Allowance for Loan Losses"), goodwill impairment, fair value of financial instruments (Note 8 "Fair Value Measurement and Fair Value of Financial Instruments"), pension accounting (Note 11 "Employee Pension and Other Postretirement Benefits"), income taxes, and transfer pricing.

Recently Issued Accounting Pronouncements

Measurement of Credit Losses on Financial Instruments

In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instruments, which provides new guidance on the accounting for credit losses for instruments that are within its scope. This new guidance is commonly referred to as the current expected credit loss (“CECL”) model. For loans and debt securities accounted for at amortized cost, certain off-balance sheet credit exposures, net investments in leases, and trade receivables, the ASU requires an entity to recognize its estimate of credit losses expected over the life of the financial instrument or exposure. Lifetime expected credit losses on purchased financial assets with credit deterioration will be recognized as an allowance with an offset to the cost basis of the asset. For available for sale debt securities, the new standard will require recognition of expected credit losses by recognizing an allowance for credit losses when the fair value of the security is below amortized cost and the recognition of this allowance is limited to the difference between the security’s amortized cost basis and fair value. The ASU is effective for interim and annual periods beginning on January 1, 2020, with early adoption permitted in 2019. The Company plans to adopt the ASU on January 1, 2020. The Company has completed the design phase of the implementation and will begin parallel testing in the second quarter of 2019. Management currently expects the allowance for credit losses will increase upon adoption of this ASU; however, the magnitude of the change is highly dependent on economic conditions and portfolio composition at the time of adoption.

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Note 1—Summary of Significant Accounting Policies and Nature of Operations (Continued)

Simplifying the Test for Goodwill Impairment

In January 2017, the FASB issued ASU 2017-04, Simplifying the Test for Goodwill Impairment. The ASU removes Step 2 of the goodwill impairment test, which measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of that goodwill. Under the amendments, a goodwill impairment loss will be measured as the amount by which a reporting unit’s carrying amount exceeds its fair value; however, the loss recognized cannot exceed the total amount of goodwill allocated to that reporting unit. Additionally, an entity should consider income tax effects from any tax deductible goodwill on the carrying amount of the reporting unit when measuring the goodwill impairment loss. The ASU will be effective for MUAH beginning January 1, 2020 on a prospective basis. Management does not expect the adoption of this guidance to significantly impact the Company’s financial position or results of operations.

Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement

In August 2018, the FASB issued ASU 2018-13, Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement, which modifies disclosure requirements on fair value measurements to improve their effectiveness. The guidance permits entities to consider materiality when evaluating fair value measurement disclosures and, among other modifications, requires certain new disclosures related to Level 3 fair value measurements. The guidance will be effective for MUAH beginning January 1, 2020, with early adoption permitted. The guidance only affects disclosures in the notes to the consolidated financial statements and will not affect the Company’s financial position or results of operations.

Recently Adopted Accounting Pronouncements

Accounting for Leases

In February 2016, the FASB issued ASU 2016-02, Leases, which requires entities that lease assets (i.e., lessees) to recognize assets and liabilities on their balance sheet for the rights and obligations created by those leases. The accounting by entities that own the assets leased (i.e., lessors) remains largely unchanged; however, leveraged lease accounting is no longer permitted for leases that commence after the effective date. The ASU also requires qualitative and quantitative disclosures about the amount, timing and uncertainty of cash flows arising from leases. The ASU is effective for interim and annual periods beginning on January 1, 2019 and requires a modified retrospective approach, with early adoption permitted. In July 2018, the FASB issued ASU 2018-11, Leases, which allows entities the option to recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. In December 2018, the FASB issued ASU 2018-20, Leases, which clarified lessor accounting for sales and similar taxes collected by lessors, certain lessor costs, and lease payments with lease and nonlease components. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations.

Premium Amortization on Purchased Callable Debt Securities

In March 2017, the FASB issued ASU 2017-08, Premium Amortization on Purchased Callable Debt Securities, which requires premiums on certain purchased callable debt securities to be amortized to the earliest call date. Under current guidance, premiums on callable debt securities are generally amortized over the contractual life of the security. The amortization period for callable debt securities purchased at a discount will not be impacted. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations.

Targeted Improvements to Accounting for Hedging Activities

In August 2017, the FASB issued ASU 2017-12, Targeted Improvements to Accounting for Hedging Activities, which will make more hedging strategies eligible for hedge accounting, simplify the application of hedge accounting, and enhance the transparency and understandability of hedge results. The guidance eliminates the requirement to separately measure and report hedge ineffectiveness and generally requires the entire change in the fair value of a hedging instrument to be presented in the same income statement line as the hedged item. It also amends the disclosure requirements and changes how entities assess effectiveness. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's

35

Note 1—Summary of Significant Accounting Policies and Nature of Operations (Continued)

financial position or results of operations. As permitted by this guidance, the Company transferred securities held to maturity with a carrying amount of $170 million to securities available for sale upon adoption.

Note 2—Securities

Securities Available for Sale

At March 31, 2019 and December 31, 2018, the amortized cost, gross unrealized gains, gross unrealized losses and fair values of securities available for sale are presented below.

	March 31, 2019
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Asset Liability Management securities:
U.S. Treasury	$	3,574	$	3	$	91	$	3,486
U.S. government-sponsored agencies	1		—		—		1
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	9,169		26		108		9,087
Privately issued	942		2		12		932
Privately issued - commercial mortgage-backed securities	1,441		17		5		1,453
Collateralized loan obligations	1,547		—		9		1,538
Other	4		—		—		4
Asset Liability Management securities	16,678		48		225		16,501
Other debt securities:
Direct bank purchase bonds	1,115		35		26		1,124
Other	182		—		—		182
Total securities available for sale	$	17,975	$	83	$	251	$	17,807

	December 31, 2018
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Asset Liability Management securities:
U.S. Treasury	$	3,572	$	1	$	144	$	3,429
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	8,168		7		168		8,007
Privately issued	887		—		23		864
Privately issued - commercial mortgage-backed securities	1,179		3		20		1,162
Collateralized loan obligations	1,492		—		18		1,474
Other	4		—		—		4
Asset Liability Management securities	15,302		11		373		14,940
Other debt securities:
Direct bank purchase bonds	1,190		30		30		1,190
Other	188		—		4		184
Total securities available for sale	$	16,680	$	41	$	407	$	16,314

36

Note 2—Securities (Continued)

The Company’s securities available for sale with a continuous unrealized loss position at March 31, 2019 and December 31, 2018 are shown below, identified for periods less than 12 months and 12 months or more.

	March 31, 2019
	Less than 12 months				12 months or more				Total
(Dollars in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Asset Liability Management securities:
U.S. Treasury	$	—	$	—	$	3,136	$	91	$	3,136	$	91
U.S. government-sponsored agencies	1		—		—		—		1		—
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	1,527		11		4,877		97		6,404		108
Privately issued	36		—		598		12		634		12
Privately issued - commercial mortgage-backed securities	80		—		525		5		605		5
Collateralized loan obligations	1,351		8		32		1		1,383		9
Asset Liability Management securities	2,995		19		9,168		206		12,163		225
Other debt securities:
Direct bank purchase bonds	19		1		412		25		431		26
Other	75		—		4		—		79		—
Total securities available for sale	$	3,089	$	20	$	9,584	$	231	$	12,673	$	251

	December 31, 2018
	Less than 12 months				12 months or more				Total
(Dollars in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Asset Liability Management securities:
U.S. Treasury	$	147	$	1	$	3,182	$	143	$	3,329	$	144
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	1,941		8		4,797		160		6,738		168
Privately issued	398		7		383		16		781		23
Privately issued - commercial mortgage-backed securities	364		6		512		14		876		20
Collateralized loan obligations	1,428		18		—		—		1,428		18
Asset Liability Management securities	4,278		40		8,874		333		13,152		373
Other debt securities:
Direct bank purchase bonds	221		6		417		24		638		30
Other	178		4		4		—		182		4
Total securities available for sale	$	4,677	$	50	$	9,295	$	357	$	13,972	$	407

At March 31, 2019, the Company did not have the intent to sell any securities in an unrealized loss position before a recovery of the amortized cost, which may be at maturity. The Company also believes that it is more likely than not that it will not be required to sell the securities prior to recovery of amortized cost.

Agency residential mortgage-backed securities consist of securities guaranteed by a U.S. government corporation, such as Ginnie Mae, or a government-sponsored agency such as Freddie Mac or Fannie Mae. These securities are collateralized by residential mortgage loans and may be prepaid at par prior to maturity. The unrealized losses on agency residential mortgage-backed securities resulted from changes in interest rates and not from changes in credit quality. At March 31, 2019, the Company expects to recover the entire amortized cost basis of these securities because the Company determined that the strength of the issuers’ guarantees through direct obligations or support from the U.S. government is sufficient to protect the Company from losses.

Commercial mortgage-backed securities are collateralized by commercial mortgage loans and are generally subject to prepayment penalties. The unrealized losses on commercial mortgage-backed securities

37

Note 2—Securities (Continued)

resulted from higher market yields since purchase. Cash flow analysis of the underlying collateral provides an estimate of other-than-temporary impairment, which is performed quarterly when the fair value of a security is lower than its amortized cost. Based on the analysis performed as of March 31, 2019, the Company expects to recover the entire amortized cost basis of these securities.

The Company’s CLOs consist of Cash Flow CLOs. A Cash Flow CLO is a structured finance product that securitizes a diversified pool of loan assets into multiple classes of notes. Cash Flow CLOs pay the note holders through the receipt of interest and principal repayments from the underlying loans unlike other types of CLOs that pay note holders through the trading and sale of underlying collateral. Unrealized losses typically arise from widening credit spreads and deteriorating credit quality of the underlying collateral. Cash flow analysis of the underlying collateral provides an estimate of other-than-temporary impairment, which is performed quarterly when the fair value of a security is lower than its amortized cost. Based on the analysis performed as of March 31, 2019, the Company expects to recover the entire amortized cost basis of these securities.

Other debt securities primarily consist of direct bank purchase bonds, which are not rated by external credit rating agencies. The unrealized losses on these bonds resulted from a higher return on capital expected by the secondary market compared with the return on capital required at the time of origination when the bonds were purchased. The Company estimates the unrealized loss for each security by assessing the underlying collateral of each security. The Company estimates the portion of loss attributable to credit based on the expected cash flows of the underlying collateral using estimates of current key assumptions, such as probability of default and loss severity. Cash flow analysis of the underlying collateral provides an estimate of other-than-temporary impairment, which is performed quarterly when the fair value of a security is lower than its amortized cost and potential impairment is identified. Based on the analysis performed as of March 31, 2019, the Company expects to recover the entire amortized cost basis of these securities.

The fair value of debt securities available for sale by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to prepay obligations with or without prepayment penalties.

	March 31, 2019
(Dollars in millions)	One Year or Less		Over One Year Through Five Years		Over Five Years Through Ten Years		Over Ten Years		Total Fair Value
Asset Liability Management securities:
U.S. Treasury	$	—	$	1,301	$	2,185	$	—	$	3,486
U.S. government-sponsored agencies	1		—		—		—		1
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	—		341		1,272		7,474		9,087
Privately issued	—		—		—		932		932
Privately issued - commercial mortgage-backed securities	—		33		74		1,346		1,453
Collateralized loan obligations	—		—		339		1,199		1,538
Other	—		4		—		—		4
Asset Liability Management securities	1		1,679		3,870		10,951		16,501
Other debt securities:
Direct bank purchase bonds	—		414		581		129		1,124
Other	13		150		—		19		182
Total debt securities available for sale	$	14	$	2,243	$	4,451	$	11,099	$	17,807

The gross realized gains and losses from sales of available for sale securities for the three months endedMarch 31, 2019 and 2018 are shown below. The specific identification method is used to calculate realized gains and losses on sales.

	For the Three Months Ended March 31,
(Dollars in millions)	2019		2018
Gross realized gains	$	1	$	—

38

Note 2—Securities (Continued)

Securities Held to Maturity

At March 31, 2019 and December 31, 2018, the amortized cost, gross unrealized gains and losses recognized in OCI, carrying amount, gross unrealized gains and losses not recognized in OCI, and fair values of securities held to maturity are presented below. Management has asserted the positive intent and ability to hold these securities to maturity.

	March 31, 2019
			Recognized in OCI						Not Recognized in OCI
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Carrying Amount		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury	$	427	$	—	$	—	$	427	$	1	$	1	$	427
U.S. government-sponsored agencies	850		—		—		850		—		—		850
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	7,840		1		92		7,749		39		122		7,666
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	1,421		—		38		1,383		23		18		1,388
Total securities held to maturity	$	10,538	$	1	$	130	$	10,409	$	63	$	141	$	10,331

	December 31, 2018
			Recognized in OCI						Not Recognized in OCI
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Carrying Amount		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury	$	528	$	—	$	—	$	528	$	1	$	2	$	527
U.S. government-sponsored agencies	722		—		—		722		1		—		723
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	8,302		1		96		8,207		11		191		8,027
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	1,486		—		42		1,444		17		18		1,443
Total securities held to maturity	$	11,038	$	1	$	138	$	10,901	$	30	$	211	$	10,720

Amortized cost is defined as the original purchase cost, adjusted for any accretion or amortization of a purchase discount or premium, less principal payments and any impairment previously recognized in earnings. The carrying amount is the difference between the amortized cost and the amount recognized in OCI. The amount recognized in OCI primarily reflects the unrealized gain or loss at date of transfer from available for sale to the held to maturity classification, net of amortization, which is recorded in interest income on securities.

39

Note 2—Securities (Continued)

The Company’s securities held to maturity with a continuous unrealized loss position at March 31, 2019 and December 31, 2018 are shown below, separately for periods less than 12 months and 12 months or more.

	March 31, 2019
	Less than 12 months						12 months or more						Total
			Unrealized Losses						Unrealized Losses						Unrealized Losses
(Dollars in millions)	Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI
U.S. Treasury	$	—	$	—	$	—	$	398	$	—	$	1	$	398	$	—	$	1
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	—		—		—		7,479		92		122		7,479		92		122
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	16		—		—		1,373		38		18		1,389		38		18
Total securities held to maturity	$	16	$	—	$	—	$	9,250	$	130	$	141	$	9,266	$	130	$	141

	December 31, 2018
	Less than 12 months						12 months or more						Total
			Unrealized Losses						Unrealized Losses						Unrealized Losses
(Dollars in millions)	Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI
U.S. Treasury	$	—	$	—	$	—	$	496	$	—	$	2	$	496	$	—	$	2
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	668		—		11		7,191		96		180		7,859		96		191
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	29		—		—		1,396		42		18		1,425		42		18
Total securities held to maturity	$	697	$	—	$	11	$	9,083	$	138	$	200	$	9,780	$	138	$	211

40

Note 2—Securities (Continued)

The carrying amount and fair value of securities held to maturity by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to prepay obligations with or without prepayment penalties.

					March 31, 2019
	Within One Year				Over One Year Through Five Years				Over Five Years Through Ten Years				Over Ten Years				Total
(Dollars in millions)	Carrying Amount		Fair Value		Carrying Amount		Fair Value		Carrying Amount		Fair Value		Carrying Amount		Fair Value		Carrying Amount		Fair Value
U.S. Treasury	$	423	$	423	$	4	$	4	$	—	$	—	$	—	$	—	$	427	$	427
U.S. government-sponsored agencies	—		—		500		500		350		350		—		—		850		850
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	—		—		—		—		945		936		6,804		6,730		7,749		7,666
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	21		21		776		791		—		—		586		576		1,383		1,388
Total securities held to maturity	$	444	$	444	$	1,280	$	1,295	$	1,295	$	1,286	$	7,390	$	7,306	$	10,409	$	10,331

Securities Pledged and Received as Collateral

At March 31, 2019 and December 31, 2018, the Company pledged $10.6 billion and $11.9 billion of available for sale and trading securities as collateral, respectively, of which $2.0 billion and $1.3 billion, respectively, was permitted to be sold or repledged. These securities were pledged as collateral for derivative liability positions, securities loaned or sold under repurchase agreements, and to secure public and trust department deposits.

At March 31, 2019 and December 31, 2018, the Company received $32.1 billion and $33.1 billion, respectively, of collateral for derivative asset positions and securities borrowed or purchased under resale agreements, of which $32.1 billion and $33.1 billion, respectively, was permitted to be sold or repledged. Of the collateral received, the Company sold or repledged $31.2 billion and $32.1 billion at March 31, 2019 and December 31, 2018, respectively, for securities loaned or sold under repurchase agreements.

For additional information related to the Company's significant accounting policies on securities pledged as collateral, see Note 1 "Summary of Significant Accounting Policies and Nature of Operations" to our Consolidated Financial Statements in Part II, Item 8. "Financial Statements and Supplementary Data" in our 2018 Form 10-K.

41

Note 3—Loans and Allowance for Loan Losses

The following table provides the outstanding balances of loans held for investment at March 31, 2019 and December 31, 2018.

(Dollars in millions)	March 31, 2019			December 31, 2018
Loans held for investment:
Commercial and industrial	$	25,303		$	24,919
Commercial mortgage	15,299			15,354
Construction	1,691			1,613
Lease financing	1,322			1,249
Total commercial portfolio	43,615			43,135
Residential mortgage	38,439			38,439
Home equity and other consumer loans	5,533			4,933
Total consumer portfolio	43,972			43,372
Total loans held for investment(1)	87,587			86,507
Allowance for loan losses	(516		)	(474		)
Loans held for investment, net	$	87,071		$	86,033

(1) Includes $343 million and $340 million at March 31, 2019 and December 31, 2018, respectively, for net unamortized (discounts) and premiums and deferred (fees) and costs.

Allowance for Loan Losses

The following tables provide a reconciliation of changes in the allowance for loan losses by portfolio segment.

	For the Three Months Ended March 31, 2019
(Dollars in millions)	Commercial			Consumer			Unallocated		Total
Allowance for loan losses, beginning of period	$	359		$	110		$	5	$	474
(Reversal of) provision for loan losses	32			27			—		59
Loans charged-off	(11		)	(17		)	—		(28		)
Recoveries of loans previously charged-off	9			2			—		11
Allowance for loan losses, end of period	$	389		$	122		$	5	$	516

	For the Three Months Ended March 31, 2018
(Dollars in millions)	Commercial			Consumer			Unallocated			Total
Allowance for loan losses, beginning of period	$	360		$	86		$	30		$	476
(Reversal of) provision for loan losses	14			6			(25		)	(5		)
Loans charged-off	(6		)	(10		)	—			(16		)
Recoveries of loans previously charged-off	3			2			—			5
Allowance for loan losses, end of period	$	371		$	84		$	5		$	460

42

Note 3—Loans and Allowance for Loan Losses (Continued)

The following tables show the allowance for loan losses and related loan balances by portfolio segment as of March 31, 2019 and December 31, 2018.

	March 31, 2019
(Dollars in millions)	Commercial		Consumer		Unallocated		Total
Allowance for loan losses:
Individually evaluated for impairment	$	109	$	13	$	—	$	122
Collectively evaluated for impairment	280		109		5		394
Total allowance for loan losses	$	389	$	122	$	5	$	516
Loans held for investment:
Individually evaluated for impairment	$	654	$	274	$	—	$	928
Collectively evaluated for impairment	42,961		43,698		—		86,659
Total loans held for investment	$	43,615	$	43,972	$	—	$	87,587

	December 31, 2018
(Dollars in millions)	Commercial		Consumer		Unallocated		Total
Allowance for loan losses:
Individually evaluated for impairment	$	62	$	13	$	—	$	75
Collectively evaluated for impairment	297		97		5		399
Total allowance for loan losses	$	359	$	110	$	5	$	474
Loans held for investment:
Individually evaluated for impairment	$	450	$	280	$	—	$	730
Collectively evaluated for impairment	42,685		43,092		—		85,777
Total loans held for investment	$	43,135	$	43,372	$	—	$	86,507

Nonaccrual and Past Due Loans

The following table presents nonaccrual loans as of March 31, 2019 and December 31, 2018.

(Dollars in millions)	March 31, 2019		December 31, 2018
Commercial and industrial	$	478	$	269
Commercial mortgage	12		12
Total commercial portfolio	490		281
Residential mortgage	124		121
Home equity and other consumer loans	20		19
Total consumer portfolio	144		140
Total nonaccrual loans	$	634	$	421
Troubled debt restructured loans that continue to accrue interest	$	296	$	299
Troubled debt restructured nonaccrual loans (included in total nonaccrual loans above)	$	163	$	136

43

Note 3—Loans and Allowance for Loan Losses (Continued)

The following tables show the aging of the balance of loans held for investment by class as of March 31, 2019 and December 31, 2018.

	March 31, 2019
	Aging Analysis of Loans
(Dollars in millions)	Current		30 to 89 Days Past Due		90 Days or More Past Due		Total Past Due		Total
Commercial and industrial	$	26,381	$	220	$	24	$	244	$	26,625
Commercial mortgage	15,273		22		4		26		15,299
Construction	1,685		5		1		6		1,691
Total commercial portfolio	43,339		247		29		276		43,615
Residential mortgage	38,256		141		42		183		38,439
Home equity and other consumer loans	5,491		29		13		42		5,533
Total consumer portfolio	43,747		170		55		225		43,972
Total loans held for investment	$	87,086	$	417	$	84	$	501	$	87,587

	December 31, 2018
	Aging Analysis of Loans
(Dollars in millions)	Current		30 to 89 Days Past Due		90 Days or More Past Due		Total Past Due		Total
Commercial and industrial	$	26,114	$	18	$	36	$	54	$	26,168
Commercial mortgage	15,333		17		4		21		15,354
Construction	1,593		20		—		20		1,613
Total commercial portfolio	43,040		55		40		95		43,135
Residential mortgage	38,218		175		46		221		38,439
Home equity and other consumer loans	4,893		28		12		40		4,933
Total consumer portfolio	43,111		203		58		261		43,372
Total loans held for investment	$	86,151	$	258	$	98	$	356	$	86,507

Loans 90 days or more past due and still accruing interest totaled $13 million at March 31, 2019 and $23 million at December 31, 2018.

Credit Quality Indicators

Management analyzes the Company's loan portfolios by applying specific monitoring policies and procedures that vary according to the relative risk profile and other characteristics within the various loan portfolios. Loans within the commercial portfolio segment are classified as either pass or criticized. Criticized credits are those that have regulatory risk ratings of special mention, substandard or doubtful; classified credits are those that have regulatory risk ratings of substandard or doubtful. Special mention credits are potentially weak, as the borrower has begun to exhibit deteriorating trends, which, if not corrected, may jeopardize repayment of the loan and result in further downgrade. Substandard credits have well-defined weaknesses, which, if not corrected, could jeopardize the full satisfaction of the debt. A credit classified as doubtful has critical weaknesses that make full collection improbable on the basis of currently existing facts and conditions.

44

Note 3—Loans and Allowance for Loan Losses (Continued)

The following tables summarize the loans in the commercial portfolio segment monitored for credit quality based on regulatory risk ratings.

	March 31, 2019
			Criticized
(Dollars in millions)	Pass		Special Mention		Classified		Total
Commercial and industrial	$	25,339	$	569	$	717	$	26,625
Commercial mortgage	15,018		121		160		15,299
Construction	1,518		111		62		1,691
Total commercial portfolio	$	41,875	$	801	$	939	$	43,615

	December 31, 2018
			Criticized
(Dollars in millions)	Pass		Special Mention		Classified		Total
Commercial and industrial	$	25,191	$	355	$	622	$	26,168
Commercial mortgage	15,138		105		111		15,354
Construction	1,542		8		63		1,613
Total commercial portfolio	$	41,871	$	468	$	796	$	43,135

The Company monitors the credit quality of its consumer portfolio segment based primarily on payment status. The following tables summarize the loans in the consumer portfolio segment, which exclude $5 million and $6 million of loans covered by FDIC loss share agreements, at March 31, 2019 and December 31, 2018, respectively.

	March 31, 2019
(Dollars in millions)	Accrual		Nonaccrual		Total
Residential mortgage	$	38,312	$	124	$	38,436
Home equity and other consumer loans	5,511		20		5,531
Total consumer portfolio	$	43,823	$	144	$	43,967

	December 31, 2018
(Dollars in millions)	Accrual		Nonaccrual		Total
Residential mortgage	$	38,314	$	121	$	38,435
Home equity and other consumer loans	4,912		19		4,931
Total consumer portfolio	$	43,226	$	140	$	43,366

The Company also monitors the credit quality for substantially all of its consumer portfolio segment using credit scores provided by FICO and refreshed LTV ratios. FICO credit scores are refreshed at least quarterly to monitor the quality of the portfolio. Refreshed LTV measures the principal balance of the loan as a percentage of the estimated current value of the property securing the loan. Home equity loans are evaluated using combined LTV, which measures the principal balance of the combined loans that have liens against the property (including unused credit lines for home equity products) as a percentage of the estimated current value of the property securing the loans. The LTV ratios are refreshed on a quarterly basis, using the most recent home pricing index data available for the property location. 

The following tables summarize the loans in the consumer portfolio segment based on refreshed FICO scores and refreshed LTV ratios at March 31, 2019 and December 31, 2018. These tables exclude loans covered by FDIC loss share agreements, as discussed above. The amounts presented reflect unpaid principal balances less partial charge-offs.

45

Note 3—Loans and Allowance for Loan Losses (Continued)

	March 31, 2019
	FICO scores
(Dollars in millions)	720 and Above			Below 720			No FICO Available(1)			Total
Residential mortgage	$	31,693		$	5,950		$	403		$	38,046
Home equity and other consumer loans	3,711			1,712			53			5,476
Total consumer portfolio	$	35,404		$	7,662		$	456		$	43,522
Percentage of total	81		%	18		%	1		%	100		%

(1) Represents loans for which management was not able to obtain an updated FICO score (e.g., due to recent profile changes).

	December 31, 2018
	FICO scores
(Dollars in millions)	720 and Above			Below 720			No FICO Available(1)			Total
Residential mortgage	$	31,589		$	6,022		$	434		$	38,045
Home equity and other consumer loans	3,349			1,448			52			4,849
Total consumer portfolio	$	34,938		$	7,470		$	486		$	42,894
Percentage of total	82		%	17		%	1		%	100		%

(1) Represents loans for which management was not able to obtain an updated FICO score (e.g., due to recent profile changes).

	March 31, 2019
	LTV ratios
(Dollars in millions)	Less than or Equal to 80 Percent			Greater than 80 and Less than 100 Percent			Greater than or Equal to 100 Percent			No LTV Available(1)			Total
Residential mortgage	$	35,859		$	2,106		$	8		$	73		$	38,046
Home equity loans	1,914			239			13			24			2,190
Total consumer portfolio	$	37,773		$	2,345		$	21		$	97		$	40,236
Percentage of total	94		%	6		%	—		%	—		%	100		%

(1) Represents loans for which management was not able to obtain refreshed property values.

	December 31, 2018
	LTV ratios
(Dollars in millions)	Less than or Equal to 80 Percent			Greater than 80 and Less than 100 Percent			Greater than or Equal to 100 Percent			No LTV Available(1)			Total
Residential mortgage	$	36,604		$	1,361		$	4		$	75		$	38,044
Home equity loans	1,966			221			12			24			2,223
Total consumer portfolio	$	38,570		$	1,582		$	16		$	99		$	40,267
Percentage of total	96		%	4		%	—		%	—		%	100		%

(1) Represents loans for which management was not able to obtain refreshed property values.

46

Note 3—Loans and Allowance for Loan Losses (Continued)

Troubled Debt Restructurings

The following table provides a summary of the Company’s recorded investment in TDRs as of March 31, 2019 and December 31, 2018. The summary includes those TDRs that are on nonaccrual status and those that continue to accrue interest. The Company had $45 million and $49 million in commitments to lend additional funds to borrowers with loan modifications classified as TDRs as of March 31, 2019 and December 31, 2018, respectively.

(Dollars in millions)	March 31, 2019		December 31, 2018
Commercial and industrial	$	137	$	109
Commercial mortgage	47		46
Construction	62		63
Total commercial portfolio	246		218
Residential mortgage	192		196
Home equity and other consumer loans	21		21
Total consumer portfolio	213		217
Total restructured loans	$	459	$	435

For the first quarter of 2019, TDR modifications in the commercial portfolio segment were substantially composed of interest rate changes, maturity extensions, forbearance, conversions from revolving lines of credit to term loans, or some combination thereof. In the consumer portfolio segment, modifications were substantially composed of maturity extensions. There were no charge-offs related to TDR modifications for the three months ended March 31, 2019 and March 31, 2018. For the commercial and consumer portfolio segments, the allowance for loan losses for TDRs was measured on an individual loan basis or in pools with similar risk characteristics.

47

Note 3—Loans and Allowance for Loan Losses (Continued)

The following tables provide the pre- and post-modification outstanding recorded investment amounts of TDRs as of the date of the restructuring that occurred during the three months ended March 31, 2019 and 2018.

	For the Three Months Ended March 31, 2019
(Dollars in millions)	Pre-Modification Outstanding Recorded Investment(1)		Post-Modification Outstanding Recorded Investment(2)
Commercial and industrial	$	41	$	41
Commercial mortgage	2		2
Total commercial portfolio	43		43
Residential mortgage	4		4
Home equity and other consumer loans	1		1
Total consumer portfolio	5		5
Total	$	48	$	48

(1) Represents the recorded investment in the loan immediately prior to the restructuring event.

(2) Represents the recorded investment in the loan immediately following the restructuring event. It includes the effect of paydowns that were required as part of the restructuring terms.

	For the Three Months Ended March 31, 2018
(Dollars in millions)	Pre-Modification Outstanding Recorded Investment(1)		Post-Modification Outstanding Recorded Investment(2)
Commercial and industrial	$	14	$	14
Total commercial portfolio	14		14
Residential mortgage	1		1
Total consumer portfolio	1		1
Total	$	15	$	15

(1) Represents the recorded investment in the loan immediately prior to the restructuring event.

(2) Represents the recorded investment in the loan immediately following the restructuring event. It includes the effect of paydowns that were required as part of the restructuring terms.

The following tables provide the recorded investment amounts of TDRs at the date of default, for which there was a payment default during the three months ended March 31, 2019, and where the default occurred within the first twelve months after modification into a TDR. A payment default is defined as the loan being 60 days or more past due. There were no such defaults during the three months ended March 31, 2018.

(Dollars in millions)	For the Three Months Ended March 31, 2019
Commercial and industrial	$	—
Commercial mortgage	1
Total commercial portfolio	1
Residential mortgage	$	—
Home equity and other consumer loans	—
Total consumer portfolio	—
Total	$	1

48

Note 3—Loans and Allowance for Loan Losses (Continued)

For loans in the consumer portfolio in which impairment is measured using the present value of expected future cash flows discounted at the loan’s effective interest rate, historical payment defaults and the propensity to redefault are some of the factors considered when determining the allowance for loan losses.

Loan Impairment

Loans that are individually evaluated for impairment include larger nonaccruing loans within the commercial and industrial, construction, and commercial mortgage loan portfolios and loans modified in a TDR. The Company records an impairment allowance when the value of an impaired loan is less than the recorded investment in the loan.

The following tables show information about impaired loans by class as of March 31, 2019 and December 31, 2018.

	March 31, 2019
	Recorded Investment								Unpaid Principal Balance
(Dollars in millions)	With an Allowance		Without an Allowance		Total		Allowance for Impaired Loans		With an Allowance		Without an Allowance
Commercial and industrial	$	511	$	17	$	528	$	108	$	578	$	50
Commercial mortgage	22		42		64		1		22		42
Construction	—		62		62		—		—		62
Total commercial portfolio	533		121		654		109		600		154
Residential mortgage	170		71		241		12		179		85
Home equity and other consumer loans	22		11		33		1		22		20
Total consumer portfolio	192		82		274		13		201		105
Total	$	725	$	203	$	928	$	122	$	801	$	259

	December 31, 2018
	Recorded Investment								Unpaid Principal Balance
(Dollars in millions)	With an Allowance		Without an Allowance		Total		Allowance for Impaired Loans		With an Allowance		Without an Allowance
Commercial and industrial	$	299	$	22	$	321	$	61	$	372	$	39
Commercial mortgage	25		41		66		1		25		41
Construction	—		63		63		—		—		63
Total commercial portfolio	324		126		450		62		397		143
Residential mortgage	175		71		246		12		184		85
Home equity and other consumer loans	22		12		34		1		22		21
Total consumer portfolio	197		83		280		13		206		106
Total	$	521	$	209	$	730	$	75	$	603	$	249

49

Note 3—Loans and Allowance for Loan Losses (Continued)

The following table presents the average recorded investment in impaired loans and the amount of interest income recognized for impaired loans during the three months ended March 31, 2019 and 2018 for the commercial and consumer loans portfolio segments.

	For the Three Months Ended March 31,
	2019				2018
(Dollars in millions)	Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income
Commercial and industrial	$	430	$	3	$	293	$	2
Commercial mortgage	65		2		37		10
Construction	62		1		128		2
Total commercial portfolio	557		6		458		14
Residential mortgage	244		3		272		4
Home equity and other consumer loans	33		2		41		1
Total consumer portfolio	277		5		313		5
Total	$	834	$	11	$	771	$	19

The following table presents loan transfers from held to investment to held for sale and proceeds from

sales of loans during the three months ended March 31, 2019 and 2018 for the commercial and consumer loans portfolio segments.

	For the Three Months Ended March 31,
	2019				2018
(Dollars in millions)	Transfer of loans from held for investment to held for sale, net		Proceeds from Sale		Transfer of loans from held for investment to held for sale, net			Proceeds from Sale
Commercial portfolio	$	71	$	121	$	(91	)	$	240
Consumer portfolio	—		—		—			—
Total	$	71	$	121	$	(91	)	$	240

50

Note 4—Variable Interest Entities

In the normal course of business, the Company has certain financial interests in entities which have been determined to be VIEs. Generally, a VIE is a corporation, partnership, trust or other legal structure where the equity investors do not have substantive voting rights, an obligation to absorb the entity’s losses or the right to receive the entity’s returns, or the ability to direct the significant activities of the entity. The following discusses the Company’s consolidated and unconsolidated VIEs.

Consolidated VIEs

The following tables present the assets and liabilities of consolidated VIEs recorded on the Company’s consolidated balance sheets at March 31, 2019 and December 31, 2018.

	March 31, 2019
	Consolidated Assets								Consolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities
LIHC investments	$	—	$	—	$	38	$	38	$	—	$	—
Leasing investments	—		490		121		611		17		17
Total consolidated VIEs	$	—	$	490	$	159	$	649	$	17	$	17

	December 31, 2018
	Consolidated Assets								Consolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities
LIHC investments	$	—	$	—	$	43	$	43	$	—	$	—
Leasing investments	—		570		122		692		17		17
Total consolidated VIEs	$	—	$	570	$	165	$	735	$	17	$	17

LIHC Investments

The Company sponsors, manages and syndicates two LIHC investment fund structures. These investments are designed to generate a return primarily through the realization of U.S. federal tax credits and deductions. The Company is considered the primary beneficiary and has consolidated these investments because the Company has the power to direct activities that most significantly impact the funds’ economic performances and also has the obligation to absorb losses of the funds that could potentially be significant to the funds. Neither creditors nor equity investors in the LIHC investments have any recourse to the general credit of the Company, and the Company’s creditors do not have any recourse to the assets of the consolidated LIHC investments.

Leasing Investments

The Company has leasing investments primarily in the wind energy, rail and coal industries. The Company is considered the primary beneficiary and has consolidated these investments because the Company has the power to direct the activities of these entities that significantly impact the entities’ economic performances. The Company also has the right to receive potentially significant benefits or the obligation to absorb potentially significant losses of these investments.

51

Note 4—Variable Interest Entities (Continued)

Unconsolidated VIEs

The following tables present the Company’s carrying amounts related to the unconsolidated VIEs at March 31, 2019 and December 31, 2018. The tables also present the Company’s maximum exposure to loss resulting from its involvement with these VIEs. The maximum exposure to loss represents the carrying amount of the Company’s involvement plus any legally binding unfunded commitments in the unlikely event that all of the assets in the VIEs become worthless. During the three months endedMarch 31, 2019 and March 31, 2018, the Company had noncash increases in unfunded commitments on LIHC investments of $55 million and $23 million, respectively, included within other liabilities.

	March 31, 2019
	Unconsolidated Assets										Unconsolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Securities Available for Sale		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities		Maximum Exposure to Loss
LIHC investments	$	—	$	28	$	216	$	998	$	1,242	$	207	$	207	$	1,242
Renewable energy investments	26		—		18		1,365		1,409		14		14		1,430
Other investments	—		—		—		40		40		—		—		80
Total unconsolidated VIEs	$	26	$	28	$	234	$	2,403	$	2,691	$	221	$	221	$	2,752

	December 31, 2018
	Unconsolidated Assets										Unconsolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Securities Available for Sale		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities		Maximum Exposure to Loss
LIHC investments	$	—	$	28	$	198	$	976	$	1,202	$	165	$	165	$	1,202
Renewable energy investments	26		—		19		1,401		1,446		14		14		1,467
Other investments	—		—		—		35		35		—		—		79
Total unconsolidated VIEs	$	26	$	28	$	217	$	2,412	$	2,683	$	179	$	179	$	2,748

LIHC Investments

The Company makes investments in partnerships and funds formed by third parties. The primary purpose of the partnerships and funds is to invest in low-income housing units and distribute tax credits and tax benefits associated with the underlying properties to investors. The Company is a limited partner investor and is allocated tax credits and deductions, but has no voting or other rights to direct the activities of the funds or partnerships, and therefore is not considered the primary beneficiary and does not consolidate these investments.

The following table presents the impact of the unconsolidated LIHC investments on our consolidated statements of income for the three months endedMarch 31, 2019 and 2018.

	For the Three Months Ended
	March 31, 2019		March 31, 2018
(Dollars in millions)
Losses from LIHC investments included in other noninterest expense	$	2	$	2
Amortization of LIHC investments included in income tax expense	34		34
Tax credits and other tax benefits from LIHC investments included in income tax expense	45		44

52

Note 4—Variable Interest Entities (Continued)

Renewable Energy Investments

Through its subsidiaries, the Company makes equity investments in LLCs established by third party sponsors to operate and manage wind, solar, hydroelectric and cogeneration power plant projects. Power generated by the projects is sold to third parties through long-term purchase power agreements. As a limited investor member, the Company is allocated production tax credits and taxable income or losses associated with the projects. The Company has no voting or other rights to direct the significant activities of the LLCs, and therefore is not considered the primary beneficiary and does not consolidate these investments.

Other Investments

The Company has other investments in structures formed by third parties. The Company has no voting or other rights to direct the activities of the investments that would most significantly impact the entities’ performance, and therefore is not considered the primary beneficiary and does not consolidate these investments.

Note 5—Securities Financing Arrangements

The Company enters into repurchase agreements and securities lending agreements to facilitate customer match-book activity, cover short positions and fund the Company's trading inventory. The Company manages credit exposure from certain transactions by entering into master netting agreements and collateral arrangements with counterparties. The relevant agreements allow for the efficient closeout of the transaction, liquidation and set-off of collateral against the net amount owed by the counterparty following a default. Under these agreements and transactions, the Company either receives or provides collateral in the form of securities. In many cases, the Company is permitted to sell or repledge these securities held as collateral and use the securities to secure repurchase agreements or enter into securities lending transactions. In certain cases the Company may agree for collateral to be posted to a third party custodian under a tri-party arrangement that enables the Company to take control of such collateral in the event of a counterparty default. Default events generally include, among other things, failure to pay, insolvency or bankruptcy of a counterparty. For additional information related to securities pledged and received as collateral, see Note 2 "Securities" to these Consolidated Financial Statements.

The following tables present the gross obligations for securities sold under agreements to repurchase and securities loaned by remaining contractual maturity and class of collateral pledged at March 31, 2019 and December 31, 2018.

	March 31, 2019
(Dollars in millions)	Overnight and Continuous		Up to 30 Days		31 - 90 Days		Greater than 90 Days		Total
Securities sold under agreements to repurchase:
U.S. Treasury securities	$	9,996	$	3,726	$	1,840	$	834	$	16,396
U.S. government-sponsored agency securities	99		2		41		—		142
Other sovereign government obligations	—		—		3		—		3
Money market securities	—		—		307		—		307
Mortgage-backed securities	5,919		2,510		6,622		600		15,651
Corporate bonds	1,285		43		1,037		—		2,365
State and municipal securities	503		—		48		—		551
Equity securities	307		7		256		—		570
Total	$	18,109	$	6,288	$	10,154	$	1,434	$	35,985
Securities loaned:
Corporate bonds	$	10	$	—	$	—	$	—	$	10
U.S. Treasury securities	151		—		—		—		151
Equity securities	282		251		—		—		533
Total	$	443	$	251	$	—	$	—	$	694

53

Note 5—Securities Financing Arrangements (Continued)

	December 31, 2018
(Dollars in millions)	Overnight and Continuous		Up to 30 Days		31 - 90 Days		Greater than 90 Days		Total
Securities sold under agreements to repurchase:
U.S. Treasury securities	$	9,416	$	2,945	$	2,991	$	335	$	15,687
U.S. government-sponsored agency securities	264		—		55		—		319
Money market securities	—		—		49		—		49
Asset-backed securities	—		—		282		—		282
Mortgage-backed securities	9,803		1,640		7,569		—		19,012
Corporate bonds	682		130		1,227		—		2,039
State and municipal securities	115		245		188		—		548
Equity securities	387		220		255		—		862
Total	$	20,667	$	5,180	$	12,616	$	335	$	38,798
Securities loaned:
Corporate bonds	$	1	$	—	$	—	$	—	$	1
Equity securities	92		—		—		—		92
Total	$	93	$	—	$	—	$	—	$	93

Offsetting Financial Assets and Liabilities

The Company primarily enters into derivative contracts, repurchase agreements and securities lending agreements with counterparties utilizing standard International Swaps and Derivatives Association Master Agreements and Credit Support Annex Agreements, Master Repurchase Agreements, and Master Securities Lending Agreements, respectively. These agreements generally establish the terms and conditions of the transactions, including a legal right to set-off amounts payable and receivable between the Company and a counterparty, regardless of whether or not such amounts have matured or have contingency features.

The following tables present the offsetting of financial assets and liabilities at March 31, 2019 and December 31, 2018.

	March 31, 2019
							Gross Amounts Not Offset in Balance Sheet
(Dollars in millions)	Gross Amounts of Recognized Assets/Liabilities		Gross Amounts Offset in Balance Sheet		Net Amounts Presented in Balance Sheet		Financial Instruments		Cash Collateral Received/Pledged		Net Amount
Financial Assets:
Derivative assets	$	1,025	$	351	$	674	$	17	$	—	$	657
Securities borrowed or purchased under resale agreements	32,114		9,254		22,860		22,769		—		91
Total	$	33,139	$	9,605	$	23,534	$	22,786	$	—	$	748
Financial Liabilities:
Derivative liabilities	$	705	$	323	$	382	$	89	$	1	$	292
Securities loaned or sold under repurchase agreements	36,679		9,254		27,425		26,594		—		831
Total	$	37,384	$	9,577	$	27,807	$	26,683	$	1	$	1,123

54

Note 5—Securities Financing Arrangements (Continued)

	December 31, 2018
							Gross Amounts Not Offset in Balance Sheet
(Dollars in millions)	Gross Amounts of Recognized Assets/Liabilities		Gross Amounts Offset in Balance Sheet		Net Amounts Presented in Balance Sheet		Financial Instruments		Cash Collateral Received/Pledged		Net Amount
Financial Assets:
Derivative assets	$	871	$	354	$	517	$	14	$	—	$	503
Securities borrowed or purchased under resale agreements	33,974		11,606		22,368		22,291		—		77
Total	$	34,845	$	11,960	$	22,885	$	22,305	$	—	$	580
Financial Liabilities:
Derivative liabilities	$	804	$	322	$	482	$	69	$	—	$	413
Securities loaned or sold under repurchase agreements	38,891		11,606		27,285		26,434		—		851
Total	$	39,695	$	11,928	$	27,767	$	26,503	$	—	$	1,264

Note 6—Commercial Paper and Other Short-Term Borrowings

The following table is a summary of the Company's commercial paper and other short-term borrowings.

(Dollars in millions)	March 31, 2019		December 31, 2018
Debt issued by MUB
Commercial paper, with a weighted average interest rate of 2.44% and 2.39% at March 31, 2019 and December 31, 2018, respectively	$	898	$	382
Federal Home Loan Bank advances, with a weighted average interest rate of 2.58% and 2.52% at March 31, 2019 and December 31, 2018, respectively	7,100		7,800
Total debt issued by MUB	7,998		8,182
Debt issued by other MUAH subsidiaries
Short-term debt due to MUFG Bank, Ltd., with weighted average interest rates of 3.00% and 3.01% at March 31, 2019 and December 31, 2018, respectively	88		145
Short-term debt due to affiliates, with weighted average interest rates of (-0.09)% and (-0.07)% at March 31, 2019 and December 31, 2018, respectively	757		936
Total debt issued by other MUAH subsidiaries	845		1,081
Total commercial paper and other short-term borrowings	$	8,843	$	9,263

Short-term debt due to MUFG Bank, Ltd. consists of both secured and unsecured fixed and floating rate borrowings.

MUSA maintains an uncommitted, unsecured lending facility with Mitsubishi UFJ Securities Holdings Co., Ltd. under which it may borrow up to JPY 160 billion (USD 1.4 billion equivalent). Under the terms of the facility, MUSA can choose to borrow in Japanese Yen or U.S. Dollars. Japanese Yen denominated borrowings include an extension option allowing MUSA to extend the maturity of an individual draw by 100 days at any time prior to its original, stated maturity. At March 31, 2019, MUSA had JPY 84 billion (USD 757 million equivalent) drawn under this facility.

55

Note 7—Long-Term Debt

Long-term debt consists of borrowings having an original maturity of one year or more. The following is a summary of the Company's long-term debt.

(Dollars in millions)	March 31, 2019		December 31, 2018
Debt issued by MUAH
Senior debt:
Fixed rate 3.50% notes due June 2022	$	398	$	398
Fixed rate 3.00% notes due February 2025	397		397
Senior debt due to MUFG Bank, Ltd:
Floating rate debt due December 2021. This note, which bears interest at 0.81% above 3-month LIBOR, had a rate of 3.40% at March 31, 2019 and 3.58% at December 31, 2018	1,625		1,625
Floating rate debt due December 2022. This note, which bears interest at 0.90% above 3-month LIBOR, had a rate of 3.49% at March 31, 2019 and 3.67% at December 31, 2018	3,250		3,250
Floating rate debt due December 2023. This note, which bears interest at 0.99% above 3-month LIBOR, had a rate of 3.58% at March 31, 2019 and 3.76% at December 31, 2018	1,625		1,625
Floating rate debt due December 2023. This note, which bears interest at 0.76% above 3-month EURIBOR, had a rate of 0.76% at March 31, 2019 and 0.76% at December 31, 2018	24		24
Junior subordinated debt payable to trusts:
Floating rate note due September 2036. This note had an interest rate of 4.31% at March 31, 2019 and 4.49% at December 31, 2018	37		36
Total debt issued by MUAH	7,356		7,355
Debt issued by MUB
Senior debt:
Floating rate debt due March 2022. This note, which bears interest at 0.60% above 3-month LIBOR, had a rate of 3.21% at March 31, 2019	299		—
Fixed rate 2.25% notes due May 2019	499		498
Fixed rate 3.15% notes due April 2022	996		—
Fixed rate FHLB of San Francisco advances due between April 2019 and December 2023. These notes bear a combined weighted average rate of 2.79% at March 31, 2019 and 2.66% at December 31, 2018	7,450		9,100
Other	36		34
Total debt issued by MUB	9,280		9,632
Debt issued by other MUAH subsidiaries
Senior debt due to MUFG Bank, Ltd:
Various floating rate borrowings due between December 2020 and May 2021. These notes, which bear interest above 3-month LIBOR had a weighted average interest rate of 2.60% at March 31, 2019 and 2.80% at December 31, 2018	250		250
Various fixed rate borrowings due between June 2019 and May 2024 with a weighted average interest rate of 1.80% (between 0.14% and 2.44%) at March 31, 2019 and 1.82% (between 0.14% and 2.44%) at December 31, 2018	223		244
Subordinated debt due to Affiliate:
Floating rate borrowings due March 2019. These notes, which bore interest above 6-month LIBOR had an interest rate of 4.13% at December 31, 2018	—		75
Non-recourse debt due to MUFG Bank, Ltd:
Various floating rate non-recourse borrowings due December 2021. These notes, which bear interest above 1- or 3-month LIBOR had a weighted average interest rate of 2.74% at March 31, 2019 and 4.09% (between 2.75% and 4.17%) at December 31, 2018	3		53
Fixed rate non-recourse borrowings due between December 2019 and July 2023 which had an interest rate of 3.04% at March 31, 2019 and 3.05% at December 31, 2018	178		187
Other non-recourse debt:
Various floating rate non-recourse borrowings due between May 2019 and February 2021. These notes, which bear interest above 1- or 3-month LIBOR had a weighted average interest rate of 4.64% (between 4.59% and 4.66%) at March 31, 2019 and 4.21% (between 4.17% and 4.48%) at December 31, 2018	13		89
Fixed rate non-recourse borrowings due December 2026 which had an interest rate of 5.34% at March 31, 2019 and 5.34% at December 31, 2018	32		33
Total debt issued by other MUAH subsidiaries	699		931
Total long-term debt	$	17,335	$	17,918

56

Note 7—Long Term Debt (Continued)

MUB Senior Debt

In March 2019, MUB issued $300 million of floating rate senior bank notes and $1.0 billion of 3.150% senior bank notes. These notes were issued as part of MUB's $12.0 billion bank note program under which MUB may issue, from time to time, senior unsecured debt obligations. At March 31, 2019, there was $4.6 billion available for issuance under the program. MUB does not have any firm commitments in place to sell notes under this program.

Note 8—Fair Value Measurement and Fair Value of Financial Instruments

Valuation Methodologies

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (i.e., an exit price) in an orderly transaction between willing market participants at the measurement date. The Company has an established and documented process for determining fair value for financial assets and liabilities that are measured at fair value on either a recurring or nonrecurring basis. When available, quoted market prices are used to determine fair value. If quoted market prices are not available, fair value is based upon valuation techniques that use, where possible, current market-based or independently sourced parameters, such as yield curves, foreign exchange rates, credit spreads, commodity prices and implied volatilities. Valuation adjustments may be made to ensure the financial instruments are recorded at fair value. These adjustments include amounts that reflect counterparty credit quality and that consider the Company's own creditworthiness in determining the fair value of its trading assets and liabilities. For additional information related to the valuation methodologies used for certain financial assets and financial liabilities measured at fair value, and information about the Company's valuation processes, see Note 11 "Fair Value Measurement and Fair Value of Financial Instruments" to our Consolidated Financial Statements in Part II, Item 8. “Financial Statements and Supplementary Data” in our 2018 Form 10-K.

Fair Value Hierarchy

In determining fair value, the Company maximizes the use of observable market inputs and minimizes the use of unobservable inputs. Observable inputs reflect market-derived or market-based information obtained from independent sources, while unobservable inputs reflect the Company’s estimate about market data. Based on the observability of the significant inputs used, the Company classifies its fair value measurements in accordance with the three-level hierarchy as defined by GAAP. This hierarchy is based on the quality, observability and reliability of the information used to determine fair value. The Company’s policy is to recognize transfers in and out of Level 1, 2 and 3 as of the end of a reporting period. For additional information related to the fair value hierarchy, see Note 11 "Fair Value Measurement and Fair Value of Financial Instruments" to our Consolidated Financial Statements in Part II, Item 8. “Financial Statements and Supplementary Data” in our 2018 Form 10-K.

57

Note 8—Fair Value Measurement and Fair Value of Financial Instruments (Continued)

Fair Value Measurements on a Recurring Basis

The following tables present financial assets and financial liabilities measured at fair value on a recurring basis at March 31, 2019 and December 31, 2018, by major category and by valuation hierarchy level.

	March 31, 2019
(Dollars in millions)	Level 1			Level 2			Level 3			Netting Adjustment(1)			Fair Value
Assets
Trading account assets:
U.S. Treasury securities	$	—		$	3,606		$	—		$	—		$	3,606
U.S. government-sponsored agency securities	—			37			—			—			37
State and municipal securities	—			13			—			—			13
Commercial paper	—			303			—			—			303
Corporate bonds	—			1,691			—			—			1,691
Asset-backed securities	—			230			—			—			230
Mortgage-backed securities	—			4,277			—			—			4,277
Equities	67			—			—			—			67
Interest rate derivative contracts	8			705			—			(127		)	586
Commodity derivative contracts	—			18			—			(15		)	3
Foreign exchange derivative contracts	1			250			—			(177		)	74
Equity derivative contracts	—			—			12			(11		)	1
Other derivative contracts	—			1			—			—			1
Total trading account assets	76			11,131			12			(330		)	10,889
Securities available for sale:
Asset Liability Management securities:
U.S. Treasury	—			3,486			—			—			3,486
U.S. government-sponsored agencies	—			1			—			—			1
Residential mortgage-backed securities:
U.S government and government-sponsored agencies	—			9,087			—			—			9,087
Privately issued	—			932			—			—			932
Privately issued - commercial mortgage-backed securities	—			1,453			—			—			1,453
Collateralized loan obligations	—			1,538			—			—			1,538
Other	—			4			—			—			4
Other debt securities:
Direct bank purchase bonds	—			—			1,124			—			1,124
Other	9			29			144			—			182
Total securities available for sale	9			16,530			1,268			—			17,807
Other assets:
Mortgage servicing rights	—			—			263			—			263
Loans held for sale	—			—			121			—			121
Interest rate hedging contracts	—			20			—			(17		)	3
Other derivative contracts	—			8			2			(4		)	6
Equity securities	10			—			—			—			10
Total other assets	10			28			386			(21		)	403
Total assets	$	95		$	27,689		$	1,666		$	(351	)	$	29,099
Percentage of total	—		%	95		%	6		%	(1		)%	100		%
Percentage of total Company assets	—		%	16		%	1		%	—		%	17		%
Liabilities
Trading account liabilities:
Securities sold, not yet purchased:
U.S. Treasury	$	—		$	2,800		$	—		$	—		$	2,800
Corporate bonds	—			643			—			—			643
Equities	74			—			—			—			74
Trading derivatives:
Interest rate derivative contracts	33			484			—			(284		)	233
Commodity derivative contracts	—			13			—			(7		)	6
Foreign exchange derivative contracts	—			157			—			(30		)	127
Equity derivative contracts	—			—			12			—			12
Other derivative contracts	—			1			—			—			1
Total trading account liabilities	107			4,098			12			(321		)	3,896
Other liabilities:
FDIC clawback liability	—			—			117			—			117
Other derivative contracts	—			3			2			(2		)	3
Total other liabilities	—			3			119			(2		)	120
Total liabilities	$	107		$	4,101		$	131		$	(323	)	$	4,016
Percentage of total	3		%	102		%	3		%	(8		)%	100		%
Percentage of total Company liabilities	—		%	3		%	—		%	—		%	3		%

(1) Amounts represent the impact of legally enforceable master netting agreements between the same counterparties that allow the Company to net settle all contracts.

58

Note 8—Fair Value Measurement and Fair Value of Financial Instruments (Continued)

	December 31, 2018
(Dollars in millions)	Level 1			Level 2			Level 3			Netting Adjustment(1)			Fair Value
Assets
Trading account assets:
U.S. Treasury securities	$	—		$	2,998		$	—		$	—		$	2,998
U.S. government-sponsored agency securities	—			73			—			—			73
State and municipal securities	—			10			—			—			10
Commercial paper	—			51			—			—			51
Other sovereign government obligations	—			—			—			—			—
Corporate bonds	—			1,367			—			—			1,367
Asset-backed securities	—			299			—			—			299
Mortgage-backed securities	—			5,785			—			—			5,785
Equities	127			—			—			—			127
Interest rate derivative contracts	9			522			—			(130		)	401
Commodity derivative contracts	—			25			—			(24		)	1
Foreign exchange derivative contracts	1			259			—			(170		)	90
Equity derivative contracts	9			—			13			(11		)	11
Total trading account assets	146			11,389			13			(335		)	11,213
Securities available for sale:
Asset Liability Management securities:
U.S. Treasury	—			3,429			—			—			3,429
Residential mortgage-backed securities:
U.S government and government-sponsored agencies	—			8,007			—			—			8,007
Privately issued	—			864			—			—			864
Privately issued - commercial mortgage-backed securities	—			1,162			—			—			1,162
Collateralized loan obligations	—			1,474			—			—			1,474
Other	—			4			—			—			4
Other debt securities:
Direct bank purchase bonds	—			—			1,190			—			1,190
Other	—			43			141			—			184
Total securities available for sale	—			14,983			1,331			—			16,314
Other assets:
Mortgage servicing rights	—			—			159			—			159
Loans held for sale	—			—			117			—			117
Interest rate hedging contracts	—			6			—			(3		)	3
Other derivative contracts	—			26			1			(16		)	11
Equity securities(2)	9			—			—			—			9
Total other assets	9			32			277			(19		)	299
Total assets	$	155		$	26,404		$	1,621		$	(354	)	$	27,826
Percentage of total	1		%	95		%	6		%	(2		)%	100		%
Percentage of total Company assets	—		%	16		%	1		%	—		%	17		%
Liabilities
Trading account liabilities:
Securities sold, not yet purchased:
U.S. Treasury	$	—		$	2,753		$	—		$	—		$	2,753
Commercial paper	—			10			—			—			10
Corporate bonds	—			717			—			—			717
Equities	70			—			—			—			70
Trading derivatives:
Interest rate derivative contracts	55			545			—			(262		)	338
Commodity derivative contracts	—			18			—			(4		)	14
Foreign exchange derivative contracts	—			168			—			(56		)	112
Equity derivative contracts	—			—			13			—			13
Total trading account liabilities	125			4,211			13			(322		)	4,027
Other liabilities:
FDIC clawback liability	—			—			116			—			116
Other derivative contracts	—			3			2			—			5
Total other liabilities	—			3			118			—			121
Total liabilities	$	125		$	4,214		$	131		$	(322	)	$	4,148
Percentage of total	3		%	102		%	3		%	(8		)%	100		%
Percentage of total Company liabilities	—		%	3		%	—		%	—		%	3		%

(1) Amounts represent the impact of legally enforceable master netting agreements between the same counterparties that allow the Company to net settle all contracts.

59

Note 8—Fair Value Measurement and Fair Value of Financial Instruments (Continued)

The following tables present a reconciliation of the assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three months ended March 31, 2019 and 2018. Level 3 securities available for sale at March 31, 2019 and 2018 primarily consist of direct bank purchase bonds.

	For the Three Months Ended
	March 31, 2019															March 31, 2018
(Dollars in millions)	Trading Account Assets			Securities Available for Sale			Other Assets			Trading Account Liabilities			Other Liabilities			Trading Account Assets			Securities Available for Sale			Other Assets		Trading Account Liabilities			Other Liabilities
Asset (liability) balance, beginning of period	$	13		$	1,331		$	277		$	(13	)	$	(118	)	$	139		$	1,600		$	65	$	(138	)	$	(119	)
Total gains (losses) - realized/unrealized):
Included in income before taxes	2			—			(31		)	(2		)	(1		)	(10		)	—			7		10			—
Included in other comprehensive income	—			11			—			—			—			—			(16		)	—		—			—
Purchases/additions	—			2			140			—			—			—			72			34		—			—
Settlements	(3		)	(76		)	—			3			—			(74		)	(150		)	—		74			—
Asset (liability) balance, end of period	$	12		$	1,268		$	386		$	(12	)	$	(119	)	$	55		$	1,506		$	106	$	(54	)	$	(119	)
Changes in unrealized gains (losses) included in income before taxes for assets and liabilities still held at end of period	$	2		$	—		$	(31	)	$	(2	)	$	(1	)	$	(10	)	$	—		$	7	$	10		$	—

The following table presents information about significant unobservable inputs related to the Company’s significant Level 3 assets and liabilities at March 31, 2019.

	March 31, 2019
(Dollars in millions)	Level 3 Fair Value		Valuation Technique	Significant Unobservable Input(s)	Range of Inputs		Weighted Average
Securities available for sale:
Direct bank purchase bonds	$	1,124	Return on equity	Market-required return on capital	8.0 - 10.0	%	9.5	%
				Probability of default	0.0 - 25.0		0.3
				Loss severity	10.0 - 60.0		22.2

The direct bank purchase bonds generally use a return on equity valuation technique. This technique uses significant unobservable inputs such as market-required return on capital, probability of default and loss severity. Increases (decreases) in any of these inputs in isolation would result in a lower (higher) fair value measurement.

60

Note 8—Fair Value Measurement and Fair Value of Financial Instruments (Continued)

Fair Value Measurement on a Nonrecurring Basis

Certain assets may be measured at fair value on a nonrecurring basis. These assets are subject to fair value adjustments that result from the application of the lower of cost or fair value accounting or write-downs of individual assets. For assets measured at fair value on a nonrecurring basis during the three months ended March 31, 2019 and 2018 that were still held on the consolidated balance sheet as of the respective periods ended, the following tables present the fair value of such assets by the level of valuation assumptions used to determine each fair value adjustment.

	March 31, 2019								For the Three Months Ended March 31, 2019
(Dollars in millions)	Fair Value		Level 1		Level 2		Level 3		Gains (Losses)
Loans held for investment
Impaired loans	$	346	$	—	$	—	$	346	$	(15	)
Other assets
Software	—		—		—		—		(2		)
Premises and equipment, net	—		—		—		—		(1		)
Renewable energy investment	7		—		—		7		(1		)
Other	—		—		—		—		(1		)
Total	$	353	$	—	$	—	$	353	$	(20	)

	March 31, 2018								For the Three Months Ended March 31, 2018
(Dollars in millions)	Fair Value		Level 1		Level 2		Level 3		Gains (Losses)
Loans held for investment
Impaired loans	$	69	$	—	$	—	$	69	$	(1	)
Other assets
Software	—		—		—		—		(2		)
Private equity investments	12		—		—		12		(2		)
Total	$	81	$	—	$	—	$	81	$	(5	)

61

Note 8—Fair Value Measurement and Fair Value of Financial Instruments (Continued)

Fair Value of Financial Instruments Disclosures

The tables below present the carrying amount and estimated fair value of certain financial instruments, all of which are accounted for at amortized cost, classified by valuation hierarchy level at March 31, 2019 and December 31, 2018.

	March 31, 2019
(Dollars in millions)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	8,919	$	8,919	$	8,919	$	—	$	—
Securities borrowed or purchased under resale agreements	22,860		22,863		—		22,863		—
Securities held to maturity	10,409		10,331		—		10,331		—
Loans held for investment(1)	85,766		86,149		—		—		86,149
Other assets	50		50		50		—		—
Liabilities
Time deposits	$	14,501	$	14,502	$	—	$	14,502	$	—
Securities loaned or sold under repurchase agreements	27,425		27,422		—		27,422		—
Commercial paper and other short-term borrowings	8,843		8,843		—		8,843		—
Long-term debt	17,335		17,448		—		17,448		—
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit	$	98	$	244	$	—	$	—	$	244

(1) Excludes lease financing. The carrying amount is net of the allowance for loan losses.

	December 31, 2018
(Dollars in millions)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	8,350	$	8,350	$	8,350	$	—	$	—
Securities borrowed or purchased under resale agreements	22,368		22,368		—		22,368		—
Securities held to maturity	10,901		10,720		—		10,720		—
Loans held for investment(1)	84,805		84,729		—		—		84,729
Other assets	48		48		48		—		—
Liabilities
Time deposits	$	11,739	$	11,714	$	—	$	11,714	$	—
Securities loaned or sold under repurchase agreements	27,285		27,285		—		27,285		—
Commercial paper and other short-term borrowings	9,263		9,263		—		9,263		—
Long-term debt	17,918		17,961		—		17,961		—
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit	$	120	$	242	$	—	$	—	$	242

(1) Excludes lease financing. The carrying amount is net of the allowance for loan losses.

62

Note 9—Derivative Instruments and Other Financial Instruments Used For Hedging

The Company enters into certain derivative and other financial instruments primarily to assist customers with their risk management objectives and to manage the Company’s exposure to interest rate risk. When entering into derivatives on behalf of customers, the Company generally acts as a financial intermediary by offsetting a significant portion of the market risk for these derivatives with third parties. The Company may also enter into derivatives for other risk management purposes. All derivative instruments are recognized as assets or liabilities on the consolidated balance sheets at fair value.

Counterparty credit risk is inherent in derivative instruments. In order to reduce its exposure to counterparty credit risk, the Company utilizes credit approvals, limits, monitoring procedures and master netting and credit support annex agreements. Additionally, the Company considers counterparty credit quality and the creditworthiness of the Company in estimating the fair value of derivative instruments.

The table below presents the notional amounts and fair value amounts of the Company's derivative instruments reported on the consolidated balance sheets, segregated between derivative instruments designated and qualifying as hedging instruments and derivative instruments not designated as hedging instruments at March 31, 2019 and December 31, 2018. Asset and liability values are presented gross, excluding the impact of legally enforceable master netting and credit support annex agreements. The fair value of asset and liability derivatives designated and qualifying as hedging instruments and derivatives designated as other risk management are included in other assets and other liabilities, respectively. The fair value of asset and liability trading derivatives are included in trading account assets and trading account liabilities, respectively.

	March 31, 2019						December 31, 2018
			Fair Value						Fair Value
(Dollars in millions)	Notional Amount		Asset Derivatives		Liability Derivatives		Notional Amount		Asset Derivatives		Liability Derivatives
Derivative instruments
Cash flow hedges:
Interest rate contracts	$	4,116	$	20	$	—	$	674	$	6	$	—
Not designated as hedging instruments:
Trading:
Interest rate contracts	297,213		713		517		189,478		531		600
Commodity contracts	273		18		13		336		25		18
Foreign exchange contracts	8,801		251		157		8,475		260		168
Equity contracts	284		12		12		300		22		13
Other contracts	120		1		1		127		—		—
Total Trading	306,691		995		700		198,716		838		799
Other risk management	2,104		10		5		1,704		27		5
Total derivative instruments	$	312,911	$	1,025	$	705	$	201,094	$	871	$	804

We recognized net losses of $9 million on other risk management derivatives for the three months ended March 31, 2019 and net gains of $51 million for the three months ended March 31, 2018, which are included in other noninterest income.

Derivatives Designated and Qualifying as Hedging Instruments

The Company uses interest rate derivatives to manage the financial impact on the Company from changes in market interest rates. These instruments are used to manage interest rate risk relating to specified groups of assets and liabilities, primarily LIBOR-based commercial loans and debt issuances. Derivatives that qualify for hedge accounting are designated as either fair value or cash flow hedges.

Cash Flow Hedges

From time to time, the Company uses interest rate derivatives to hedge the risk of changes in cash flows attributable to changes in the designated interest rate on LIBOR indexed loans, and to a lesser extent, to hedge interest rate risk on rollover debt.

63

Note 9—Derivative Instruments and Other Financial Instruments Used For Hedging (Continued)

The Company used interest rate derivatives with an aggregate notional amount of $4 billion at March 31, 2019 to hedge the risk of changes in cash flows attributable to changes in the designated interest rates from variable rate loans. The Company used interest rate derivatives with an aggregate notional amount of $116 million at March 31, 2019 to hedge the risk of changes in cash flows attributable to changes in the designated interest rate on LIBOR indexed short-term borrowings. At March 31, 2019, the weighted average remaining life of the active cash flow hedges was 2.8 years.

For cash flow hedges, changes in the fair value of the hedging instruments is reported as a component of other comprehensive income and reclassified into earnings in the same period or periods during which the hedged cash flows are recognized in net interest income. At March 31, 2019, the Company expects to reclassify approximately $93 million of losses from AOCI as a reduction to net interest income during the twelve months ending March 31, 2020. This amount could differ from amounts actually realized due to changes in interest rates, hedge terminations and the addition of other hedges subsequent to March 31, 2019.

The following table presents the amount and location of the net gains and losses recorded in the Company’s consolidated statements of income and changes in stockholders' equity for derivative instruments designated as cash flow hedges for the three months ended March 31, 2019 and 2018.

	Gains (Losses) Recognized in OCI						Gains (Losses) Reclassified from AOCI into Income						Gains (Losses) Recognized in Income (Ineffective Portion)
	For the Three Months Ended March 31,						For the Three Months Ended March 31,						For the Three Months Ended March 31,
(Dollars in millions)	2019		2018			Location	2019			2018		Location	2018
Derivatives in cash flow hedging relationships
						Interest income	$	(19	)	$	—
Interest rate contracts	$	14	$	(79	)	Interest expense	—			—		Noninterest expense	$	—
Total	$	14	$	(79	)		$	(19	)	$	—		$	—

Fair Value Hedges

The Company engaged in an interest rate hedging strategy in which one or more interest rate derivatives were associated with a specified interest bearing liability, in order to convert the liability from a fixed rate to a floating rate instrument. This strategy mitigated the changes in fair value of the hedged liability caused by changes in the designated interest rate, LIBOR.

Prior to 2019, for fair value hedges, any ineffectiveness was recognized in noninterest expense in the period in which it arose. The change in the fair value of the hedged item and the hedging instrument, to the extent completely effective, offset with no impact on earnings.

The following table presents gains (losses) on the Company's fair value hedges and hedged item for the three months ended March 31, 2018.

	For the Three Months Ended March 31, 2018
(Dollars in millions)	Derivative			Hedged Item		Hedge Ineffectiveness
Interest rate risk on long-term debt	$	(2	)	$	2	$	—
Total	$	(2	)	$	2	$	—

64

Note 9—Derivative Instruments and Other Financial Instruments Used For Hedging (Continued)

Derivatives Not Designated as Hedging Instruments

Trading Derivatives

Derivative instruments classified as trading are primarily derivatives entered into as an accommodation for customers. Trading derivatives are included in trading assets or trading liabilities with changes in fair value reflected in income from trading account activities. The majority of the Company's derivative transactions for customers were essentially offset by contracts with third parties that reduce or eliminate market risk exposures.

The following table presents the amount of the net gains and losses for derivative instruments classified as trading reported in the consolidated statements of income under the heading trading account activities for the three months ended March 31, 2019 and 2018.

	Gains (Losses) Recognized in Income on Trading Derivatives
	For the Three Months Ended
(Dollars in millions)	March 31, 2019			March 31, 2018
Trading derivatives
Interest rate contracts	$	(35	)	$	113
Equity contracts	4			17
Foreign exchange contracts	11			9
Total	$	(20	)	$	139

Offsetting Financial Assets and Liabilities

The Company primarily enters into derivative contracts with counterparties utilizing standard International Swaps and Derivatives Association Master Agreements and Credit Support Annex Agreements. These agreements generally establish the terms and conditions of the transactions, including a legal right to set-off amounts payable and receivable between the Company and a counterparty, regardless of whether or not such amounts have matured or have contingency features. For additional information related to offsetting of financial assets and liabilities, see Note 5 "Securities Financing Arrangements" to these Consolidated Financial Statements.

65

Note 10—Accumulated Other Comprehensive Income

The following tables present the change in each of the components of accumulated other comprehensive income and the related tax effect of the change allocated to each component for the three months endedMarch 31, 2019 and 2018.

(Dollars in millions)	Before Tax Amount			Tax Effect			Net of Tax
For the Three Months Ended March 31, 2019
Cash flow hedge activities:
Unrealized net gains (losses) on hedges arising during the period	$	14		$	(4	)	$	10
Reclassification adjustment for net (gains) losses on hedges included in interest income for loans and interest expense on long-term debt	19			(5		)	14
Net change	33			(9		)	24
Securities:
Unrealized holding gains (losses) arising during the period on securities available for sale	200			(52		)	148
Reclassification adjustment for net (gains) losses on securities available for sale included in securities gains, net	(1		)	—			(1		)
Amortization of net unrealized (gains) losses on held to maturity securities	7			(2		)	5
Net change	206			(54		)	152
Foreign currency translation adjustment	—			—			—
Pension and other benefits:
Amortization of prior service credit(1)	(10		)	3			(7		)
Recognized net actuarial (gain) loss(1)	18			(5		)	13
Net change	8			(2		)	6
Other	2			(1		)	1
Net change in AOCI	$	249		$	(66	)	$	183

(1) These amounts are included in the computation of net periodic pension cost. For additional information, see Note 11 "Employee Pension and Other Postretirement Benefits" to these Consolidated Financial Statements.

66

Note 10—Accumulated Other Comprehensive Income (Continued)

(Dollars in millions)	Before Tax Amount			Tax Effect			Net of Tax
For the Three Months Ended March 31, 2018
Cash flow hedge activities:
Unrealized net gains (losses) on hedges arising during the period	$	(79	)	$	21		$	(58	)
Reclassification adjustment for net (gains) losses on hedges included in interest income for loans and interest expense on long-term debt	—			—			—
Net change	(79		)	21			(58		)
Securities:
Unrealized holding gains (losses) arising during the period on securities available for sale	(262		)	69			(193		)
Reclassification adjustment for net (gains) losses on securities available for sale included in securities gains, net	—			—			—
Less: accretion of fair value adjustment on securities available for sale	—			—			—
Amortization of net unrealized (gains) losses on held to maturity securities	4			(1		)	3
Net change	(258		)	68			(190		)
Foreign currency translation adjustment	(3		)	1			(2		)
Pension and other benefits:
Amortization of prior service credit (1)	(10		)	2			(8		)
Recognized net actuarial (gain) loss(1)	24			(6		)	18
Net change	14			(4		)	10
Other	(1		)	—			(1		)
Net change in AOCI	$	(327	)	$	86		$	(241	)

(1) These amounts are included in the computation of net periodic pension cost. For additional information, see Note 11 "Employee Pension and Other Postretirement Benefits" to these Consolidated Financial Statements.

The following tables present the change in accumulated other comprehensive loss balances.

For the Three Months Ended March 31, 2018 and 2019:
	Net Unrealized Gains (Losses) on Cash Flow Hedges			Net Unrealized Gains (Losses) on Securities			Foreign Currency Translation Adjustment			Pension and Other Postretirement Benefits Adjustment			Other			Accumulated Other Comprehensive Income (Loss)
(Dollars in millions)
Balance, December 31, 2017	$	(174	)	$	(233	)	$	(19	)	$	(600	)	$	—		$	(1,026	)
Other comprehensive income (loss) before reclassifications	(58		)	(193		)	(2		)	—			(1		)	(254		)
Amounts reclassified from AOCI	—			3			—			10			—			13
Transfer to additional paid-in capital(1)	—			—			21			—			—			21
Balance, March 31, 2018	$	(232	)	$	(423	)	$	—		$	(590	)	$	(1	)	$	(1,246	)
Balance, December 31, 2018	$	(220	)	$	(373	)	$	—		$	(730	)	$	(1	)	$	(1,324	)
Other comprehensive income (loss) before reclassifications	10			148			—			—			1			159
Amounts reclassified from AOCI	14			4			—			6			—			24
Balance, March 31, 2019	$	(196	)	$	(221	)	$	—		$	(724	)	$	—		$	(1,141	)

(1) Transfer of accumulated foreign currency translation to additional paid-in capital resulted from the transfer of the Company's investment in a Canadian entity to MUFG Bank, Ltd. during the first quarter of 2018.

67

Note 11—Employee Pension and Other Postretirement Benefits

The following tables summarize the components of net periodic benefit cost for the three months ended March 31, 2019 and 2018. The components of net periodic benefit cost other than the service cost component are included in other noninterest expense in the income statement.

	Pension Benefits						Other Postretirement Benefits						Superannuation, SERP and ESBP
	For the Three Months Ended March 31,						For the Three Months Ended March 31,						For the Three Months Ended March 31,
(Dollars in millions)	2019			2018			2019			2018			2019		2018
Components of net periodic benefit cost:
Service cost	$	19		$	19		$	1		$	1		$	—	$	—
Interest cost	29			25			2			2			1		1
Expected return on plan assets	(64		)	(67		)	(4		)	(5		)	—		—
Amortization of prior service credit	(6		)	(6		)	(4		)	(4		)	—		—
Recognized net actuarial loss	15			22			2			1			1		1
Total net periodic benefit (income) cost	$	(7	)	$	(7	)	$	(3	)	$	(5	)	$	2	$	2

Note 12—Commitments, Contingencies and Guarantees

The following table summarizes the Company's commitments.

(Dollars in millions)	March 31, 2019
Commitments to extend credit	$	33,932
Issued standby and commercial letters of credit	4,685
Commitments to enter into forward-starting resale agreements	20
Other commitments	513

Commitments to extend credit are legally binding agreements to lend to a customer provided there are no violations of any condition established in the contract. Commitments have fixed expiration dates or other termination clauses and may require maintenance of compensatory balances. Since many of the commitments to extend credit may expire without being drawn upon, the total commitment amounts do not necessarily represent future cash flow requirements.

Standby and commercial letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. Standby letters of credit are generally contingent upon the failure of the customer to perform according to the terms of the underlying contract with the third party, while commercial letters of credit are issued specifically to facilitate foreign or domestic trade transactions. The majority of these types of commitments have terms of 1 year or less. As of March 31, 2019, the carrying amount of the Company's standby and commercial letters of credit totaled $3 million. Estimated exposure to loss related to these commitments is covered by the allowance for losses on unfunded commitments. The carrying amounts of the standby and commercial letters of credit and the allowance for losses on unfunded credit commitments are included in other liabilities on the consolidated balance sheet.

The credit risk involved in issuing loan commitments and standby and commercial letters of credit is essentially the same as that involved in extending loans to customers and is represented by the contractual amount of these instruments. Collateral may be obtained based on management's credit assessment of the customer.

Other commitments include collateralized financing activities, commitments to fund principal investments, other securities, and residual value guarantees.

Principal investments include direct investments in private and public companies. The Company issues commitments to provide equity and mezzanine capital financing to private and public companies through direct

68

Note 12—Commitments, Contingencies and Guarantees (Continued)

investments. The timing of future cash requirements to fund such commitments is generally dependent on the investment cycle. This cycle, the period over which privately held companies are funded by private equity investors and ultimately sold, merged, or taken public through an initial offering, can vary based on overall market conditions as well as the nature and type of industry in which the companies operate.

The Company occasionally enters into financial guarantee contracts where a premium is received from another financial institution counterparty to guarantee a portion of the credit risk on interest rate swap contracts entered into between the financial institution and its customer. The Company becomes liable to pay the financial institution only if the financial institution is unable to collect amounts owed to them by their customer. As of March 31, 2019, the current exposure to loss under these contracts totaled $14 million, and the maximum potential exposure to loss in the future was estimated at $37 million.

The Company is subject to various pending and threatened legal actions that arise in the normal course of business. The Company maintains liabilities for losses from legal actions that are recorded when they are determined to be both probable in their occurrence and can be reasonably estimated. Management believes the disposition of all claims currently pending, including potential losses from claims that may exceed the liabilities recorded, and claims for loss contingencies that are considered reasonably possible to occur, will not have a material effect, either individually or in the aggregate, on the Company's consolidated financial condition, results of operations or liquidity.

Note 13—Business Segments

The Company has four reportable segments: Regional Bank, U.S. Wholesale & Investment Banking, Transaction Banking, and MUSA. The Company uses various management accounting methodologies to measure the performance of its segments. Unlike GAAP, there is no standardized or authoritative guidance for management accounting. Consequently, reported results are not necessarily comparable with those presented by other companies and they are not necessarily indicative of the results that would be reported by the business units if they were separate economic entities.

Methodologies that are applied to the measurement of segment profitability, which are enhanced from time to time, include a funds transfer pricing system, an activity-based costing methodology, other indirect costs and a methodology to allocate the provision for credit losses. In the second quarter of 2018, the Company began measuring the performance of its business segments by reporting revenues and expenses from products and services sold entirely within the business segment that manages the customer relationship. The Company previously applied a “market view” perspective in measuring the business segments, which reported revenues and expenses from products and services sold in both the business segment that provided the product and the business segment that managed the customer relationship. Prior period results have been revised to conform to the current period presentation.

The funds transfer pricing system assigns a cost of funds or a credit for funds to assets or liabilities based on their type, maturity or repricing characteristics. A segment receives a credit from Corporate Treasury for its funding sources. Conversely, a segment is assigned a charge by Corporate Treasury to fund its assets. Certain indirect costs, such as operations and technology expense, are allocated to the segments based on an activity-based costing methodology. Other indirect costs, such as corporate overhead, are allocated to the segments based on internal surveys and metrics that serve as proxies for estimated usage. During the normal course of business, the Company occasionally changes or updates its management accounting methodologies or organizational structure. Certain non-bank subsidiaries, including MUSA, are reported based on their GAAP results.

Regional Bank

The Regional Bank provides banking products and services to individual and business customers in California, Washington, and Oregon through five major business lines.

Consumer Banking serves consumers and small businesses through 342 full-service branches, digital channels, call centers, ATMs and alliances with other financial institutions. Products and services include checking and other deposit accounts; residential mortgage loans; consumer loans; home equity lines of credit; credit cards; bill and loan payment services; and merchant services.

69

Note 13—Business Segments (Continued)

Commercial Banking provides commercial and asset-based loans to clients across a wide range of industries with annual revenues up to $2 billion. By working with the Company's other segments, Commercial Banking clients also have access to global treasury management and capital markets solutions and foreign exchange, interest rate, and commodity risk management products.

Real Estate Industries serves professional real estate investors and developers with products such as construction loans, commercial mortgages, bridge financing and unsecured financing. Property types supported include apartment, office, retail, industrial and single-family residential on the West Coast and in select metropolitan areas across the country. Real Estate Industries also makes tax credit investments in affordable housing projects through its Community Development Finance unit referenced as LIHC investments. By working with the Company's other segments, Real Estate Industries also offers its global treasury management and capital markets solutions and foreign exchange, interest rate, and commodity risk management products.

Wealth Markets serves corporate, institutional, non-profit and individual clients. Capabilities include Wealth Planning / Trust & Estate Services; Investment Management through HighMark Capital Management, Inc., an SEC-registered investment advisory firm wholly-owned by the Bank; Brokerage services through UnionBanc Investment Services, LLC, an SEC-registered broker-dealer/investment advisory firm wholly-owned by the Bank; and Private Wealth Management.

PurePoint Financial serves consumers through a national online direct bank deposit platform offering savings accounts and CD products with services provided through a call center and a network of financial centers in New York, Florida, Illinois and Texas.

U.S. Wholesale & Investment Banking

U.S. Wholesale & Investment Banking delivers the full suite of MUAH products and services to large and mid-corporate customers. The segment employs an industry-focused strategy including dedicated coverage teams in General Industries, Power and Utilities, Oil and Gas, Telecom and Media, Technology, Healthcare and Nonprofit, Public Finance, and Financial Institutions (predominantly Insurance and Asset Managers). U.S. Wholesale & Investment Banking provides customers general corporate credit and structured credit services, including project finance, leasing and equipment finance, funds finance and asset-based finance. By working with the Company's other segments, U.S. Wholesale & Investment Banking offers its customers a range of noncredit services, which include global treasury management, capital market solutions, and various foreign exchange, interest rate risk and commodity risk management products.

Transaction Banking

Transaction Banking works alongside the Company's other segments to provide working capital management and asset servicing solutions, including deposits and treasury management, trade finance, and institutional trust and custody, to the Company's customers. The client base consists of financial institutions, corporations, government agencies, insurance companies, mutual funds, investment managers and non-profit organizations.

MUFG Securities Americas

MUSA is MUAH's broker-dealer subsidiary which engages in capital markets origination transactions, private placements, collateralized financings, securities borrowing and lending transactions, and domestic and foreign debt and equity securities transactions.

Other

"Other" includes the MUFG Fund Services segment, Markets segment, Japanese Corporate Banking segment and Corporate Treasury. MUFG Fund Services provides comprehensive investment fund administrative solutions. Markets provides risk management solutions, including foreign exchange, interest rate and energy risk management solutions. The Japanese Corporate Banking segment offers a range of credit, deposit, and investment management products and services to companies located primarily in the U.S. that are affiliated with companies headquartered in Japan. Corporate Treasury is responsible for ALM, wholesale funding and the ALM

70

Note 13—Business Segments (Continued)

investment and derivatives hedging portfolios. These treasury management activities are carried out to manage the net interest rate and liquidity risks of the Company's balance sheet and to manage those risks within the guidelines established by ALCO. For additional information regarding these risk management activities, see “Market Risk Management” in Part II, Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2018 Form 10-K.

Additionally, "Other" is comprised of certain corporate activities of the Company; the net impact of funds transfer pricing charges and credits allocated to the reportable segments; the residual costs of support groups; fees from affiliates and noninterest expenses associated with MUFG Bank, Ltd. U.S. branch banking operations; the unallocated allowance; goodwill, intangible assets, and the related amortization/accretion associated with the Company's privatization transaction when we became a privately held company in 2008; the elimination of the fully taxable-equivalent basis amount; the difference between the marginal tax rate and the consolidated effective tax rate; and FDIC covered assets.

As of and for the Three Months Ended March 31, 2019:
(Dollars in millions)	Regional Bank		U.S. Wholesale & Investment Banking			Transaction Banking			MUSA		Other			MUFG Americas Holdings Corporation
Results of operations
Net interest income	$	571	$	100		$	68		$	35	$	9		$	783
Noninterest income	129		88			15			93		307			632
Total revenue	700		188			83			128		316			1,415
Noninterest expense	539		111			73			123		324			1,170
(Reversal of) provision for loan losses	47		(6		)	(1		)	—		(2		)	38
Income (loss) before income taxes and including noncontrolling interests	114		83			11			5		(6		)	207
Income tax expense (benefit) (1)	25		13			3			—		(13		)	28
Net income (loss) including noncontrolling interests	89		70			8			5		7			179
Deduct: net loss from noncontrolling interests	—		—			—			—		5			5
Net income attributable to MUAH	$	89	$	70		$	8		$	5	$	12		$	184
Total assets, end of period	$	74,396	$	20,719		$	797		$	33,930	$	40,865		$	170,707

(1) Income tax expense (benefit) includes certain management accounting classification adjustments.

71

Note 13—Business Segments (Continued)

As of and for the Three Months Ended March 31, 2018:
(Dollars in millions)	Regional Bank		U.S. Wholesale & Investment Banking			Transaction Banking			MUSA		Other			MUFG Americas Holdings Corporation
Results of operations
Net interest income	$	526	$	102		$	64		$	54	$	79		$	825
Noninterest income	111		81			14			88		88			382
Total revenue	637		183			78			142		167			1,207
Noninterest expense	502		102			57			116		307			1,084
(Reversal of) provision for loan losses	12		(18		)	(1		)	—		5			(2		)
Income (loss) before income taxes and including noncontrolling interests	123		99			22			26		(145		)	125
Income tax expense (benefit) (1)	25		138			6			6		(217		)	(42		)
Net income (loss) including noncontrolling interests	98		(39		)	16			20		72			167
Deduct: net (income) loss from noncontrolling interests	—		—			—			—		(1		)	(1		)
Net income (loss) attributable to MUAH	$	98	$	(39	)	$	16		$	20	$	71		$	166
Total assets, end of period	$	68,940	$	20,032		$	933		$	32,661	$	34,744		$	157,310

(1) Income tax expense (benefit) includes certain management accounting classification adjustments.

72

PART II. OTHER INFORMATION

Item 1.   Legal Proceedings

We are subject to various pending and threatened legal actions that arise in the normal course of business. We maintain liabilities for losses from legal actions that are recorded when they are determined to be both probable in their occurrence and can be reasonably estimated. We believe the disposition of all claims currently pending, including potential losses from claims that may exceed the liabilities recorded, and claims for loss contingencies that are considered reasonably possible to occur, will not have a material effect, either individually or in the aggregate, on our consolidated financial position, results of operations, or liquidity.

Item 1A.   Risk Factors

For a discussion of risk factors relating to our business, please refer to Part I, Item 1A. "Risk Factors" in our 2018 Form 10-K, which is incorporated by reference herein.

73

Item 6.   Exhibits

EXHIBIT INDEX

Exhibit No.	Description
31.1	Certification of the Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002(1)
31.2	Certification of the Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002(1)
32.1	Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002(2)
32.2	Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002(2)
101	Pursuant to Rule 405 of Regulation S-T, the following financial information from the Company's Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2019, is formatted in XBRL interactive data files: (i) Consolidated Statements of Income; (ii) Consolidated Statements of Comprehensive Income; (iii) Consolidated Balance Sheets; (iv) Consolidated Statements of Changes in Stockholders' Equity; (v) Consolidated Statements of Cash Flows; and (vi) Notes to Financial Statements (1)

(1) Filed herewith.

(2) Furnished herewith. In accordance with Item 601(b)(32)(ii) of Regulation S-K and SEC Release No. 34-47986, the certifications furnished in Exhibits 32.1 and 32.2 hereto are deemed to accompany this Form 10-Q and will not be deemed "filed" for purposes of Section 18 of the Exchange Act. Such certifications will not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act.

74

SIGNATURES

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.

	MUFG AMERICAS HOLDINGS CORPORATION (Registrant)
Date: May 10, 2019	By:	/s/ STEPHEN E. CUMMINGS
		Stephen E. Cummings President and Chief Executive Officer (Principal Executive Officer)
Date: May 10, 2019	By:	/s/ JOHANNES WORSOE
		Johannes Worsoe Chief Financial Officer (Principal Financial Officer)
Date: May 10, 2019	By:	/s/ NEAL HOLLAND
		Neal Holland Controller and Chief Accounting Officer (Principal Accounting Officer)

75

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Stephen E. Cummings, certify that:

1. I have reviewed this quarterly report on Form 10-Q of MUFG Americas Holdings Corporation (the "Registrant");

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 (the Registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant's internal control over financial reporting;

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 the Registrant's board of directors (or persons performing the equivalent functions):

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 10, 2019

By:	/s/ STEPHEN E. CUMMINGS
	Stephen E. Cummings President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Johannes Worsoe, certify that:

1. I have reviewed this quarterly report on Form 10-Q of MUFG Americas Holdings Corporation (the "Registrant");

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 (the Registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant's internal control over financial reporting;

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 the Registrant's board of directors (or persons performing the equivalent functions):

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 10, 2019

By:	/s/ JOHANNES WORSOE
	Johannes Worsoe Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with this Quarterly Report of MUFG Americas Holdings Corporation (the "Company") on Form 10-Q for the period ended March 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Stephen E. Cummings, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my 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.

Dated: May 10, 2019

By:	/s/ STEPHEN E. CUMMINGS
	Stephen E. Cummings President and Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with this Quarterly Report of MUFG Americas Holdings Corporation (the "Company") on Form 10-Q for the period ended March 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Johannes Worsoe, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my 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.

Dated: May 10, 2019

By:	/s/ JOHANNES WORSOE
	Johannes Worsoe Chief Financial Officer

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	Apr. 30, 2019
Document And Entity Information
Entity Registrant Name	MUFG Americas Holdings Corporation
Entity Central Index Key	0001011659
Document Type	10-Q
Document Period End Date	Mar. 31, 2019
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		131,935,124
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Trading Symbol	ub

XML

Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest Income
Loans	$ 907	$ 772
Securities	163	162
Securities borrowed or purchased under resale agreements	334	126
Trading assets	93	92
Other	41	14
Total interest income	1,538	1,166
Interest Expense
Deposits	184	68
Commercial paper and other short-term borrowings	56	33
Long-term debt	131	80
Securities loaned or sold under repurchase agreements	355	138
Trading liabilities	29	22
Total interest expense	755	341
Net Interest Income	783	825
(Reversal of) provision for credit losses	38	(2)
Net interest income after (reversal of) provision for credit losses	745	827
Noninterest Income
Service charges on deposit accounts	42	45
Trust and investment management fees	29	29
Trading account activities	19	2
Securities gains, net	1	0
Credit facility fees	23	23
Brokerage commissions and fees		18
Card processing fees, net	13	12
Investment banking and syndication fees	124	89
Brokerage Commissions Revenue	20
Fees from affiliates	342	276
Other, net	19	(112)
Total noninterest income	632	382
Noninterest Expense
Salaries and employee benefits	685	670
Net occupancy and equipment	112	90
Professional and outside services	160	132
Software	80	70
Regulatory assessments	16	23
Intangible asset amortization	7	7
Other	110	92
Total noninterest expense	1,170	1,084
Income before income taxes and including noncontrolling interests	207	125
Income tax expense (benefit)	28	(42)
Net Income Including Noncontrolling Interests	179	167
Deduct: Net loss from noncontrolling interests	5	(1)
Net Income Attributable to MUAH	$ 184	$ 166

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Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net Income Attributable to MUAH	$ 184	$ 166
Other Comprehensive Income (Loss), Net of Tax:
Net change in unrealized gains (losses) on cash flow hedges	24	(58)
Net change in unrealized gains (losses) on investment securities	152	(190)
Foreign currency translation adjustment	0	(2)
Pension and other postretirement benefit adjustments	6	10
Other	1	(1)
Total other comprehensive income (loss)	183	(241)
Comprehensive Income (Loss) Attributable to MUAH	367	(75)
Comprehensive income (loss) from noncontrolling interests	(5)	1
Total Comprehensive Income (Loss)	$ 362	$ (74)

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Consolidated Balance Sheets - USD ($) $ in Millions		Mar. 31, 2019	Dec. 31, 2018
Assets
Cash and due from banks		$ 1,916	$ 2,061
Interest bearing deposits in banks		7,003	6,289
Total cash and cash equivalents		8,919	8,350
Securities borrowed or purchased under resale agreements		22,860	22,368
Trading account assets (includes $1,578 at September 30, 2018 and $1,001 at December 31, 2017 pledged as collateral that may be repledged)		10,889	11,213
Securities available for sale (includes $61 at September 30, 2018 and $163 at December 31, 2017 pledged as collateral that may be repledged)		17,807	16,314
Securities held to maturity (fair value $10,972 at September 30, 2018 and $9,799 at December 31, 2017)		10,409	10,901
Loans held for investment	[1]	87,587	86,507
Allowance for loan losses		(516)	(474)
Loans held for investment, net		87,071	86,033
Goodwill		3,374	3,301
Other assets		9,378	9,620
Total assets		170,707	168,100
Deposits:
Noninterest bearing		31,494	31,754
Interest bearing		61,411	59,225
Total deposits		92,905	90,979
Securities Sold under Agreements to Repurchase and Securities Loaned		27,425	27,285
Commercial paper and other short-term borrowings		8,843	9,263
Long-term debt		17,335	17,918
Trading account liabilities		3,896	4,027
Other liabilities		3,339	2,048
Total liabilities		153,743	151,520
Commitments, contingencies and guarantees—See Note 12
Preferred stock:
Authorized 5,000,000 shares; no shares issued or outstanding		0	0
Common stock, par value $1 per share:
Authorized 1,700,000,000 shares, 147,589,713 shares issued and outstanding as of September 30, 2018 and December 31, 2017		132	132
Additional paid-in capital		8,193	8,176
Retained earnings		9,713	9,524
Accumulated other comprehensive loss		(1,141)	(1,324)
Total MUAH stockholders' equity		16,897	16,508
Noncontrolling interests		67	72
Total equity		16,964	16,580
Total liabilities and equity		$ 170,707	$ 168,100

[1] Includes $343 million and $340 million at March 31, 2019 and December 31, 2018, respectively, for net unamortized (discounts) and premiums and deferred (fees) and costs.

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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Trading account assets pledged as collateral	$ 1,849	$ 1,239
Securities available-for-sale pledged as collateral	110	75
Fair value of securities held to maturity	$ 10,331	$ 10,720
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (dollars per share)	$ 1	$ 1
Common stock, share authorized (in shares)	1,700,000,000	1,700,000,000
Common stock, share issued (in shares)	131,935,124	131,935,124
Common stock, share outstanding (in shares)	131,935,124	131,935,124

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Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions	Total		Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 167				$ 166		$ 1
Balance, beginning at Dec. 31, 2017	18,355		$ 148	$ 8,197	10,936	$ (1,026)	100
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss), net of tax	(241)					(241)
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition	14			14	0
Other	(2)		0	(21)	(1)	21	(1)
Balance, ending at Mar. 31, 2018	18,293		148	8,190	11,101	(1,246)	100
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Period Increase (Decrease)	(62)		0	(7)	165	(220)	0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	179				184		(5)
Balance, beginning at Dec. 31, 2018	16,580		132	8,176	9,524	(1,324)	72
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss), net of tax	183					183
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition	17			17	0
Other	5	[1]	0	0	5	0	0
Balance, ending at Mar. 31, 2019	16,964		132	8,193	9,713	(1,141)	67
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Period Increase (Decrease)	$ 384		$ 0	$ 17	$ 189	$ 183	$ (5)

[1] For additional information on other, see Note 10

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Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flows from Operating Activities:
Net income including noncontrolling interests	$ 179	$ 167
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
(Reversal of) provision for credit losses	38	(2)
Depreciation, amortization and accretion, net	96	92
Stock-based compensation—restricted stock units	17	17
Deferred income taxes	(88)	(90)
Net gains on sales of securities	(1)	0
Net decrease (increase) in securities borrowed or purchased under resale agreements	(492)	992
Net decrease (increase) in securities loaned or sold under repurchase agreements	140	(46)
Net decrease (increase) in trading account assets	324	(1,998)
Net decrease (increase) in other assets	89	448
Net increase (decrease) in trading account liabilities	(131)	274
Net increase (decrease) in other liabilities	491	(51)
Loans originated for sale	(234)	(255)
Net proceeds from sale of loans originated for sale	612	260
Pension and other benefits adjustment	(10)	(13)
Other, net	(1)	29
Total adjustments	850	(343)
Net cash provided by (used in) operating activities	1,029	(176)
Cash Flows from Investing Activities:
Proceeds from sales of securities available for sale	676	9
Proceeds from paydowns and maturities of securities available for sale	490	880
Purchases of securities available for sale	(1,760)	(1,417)
Proceeds from paydowns and maturities of securities held to maturity	1,170	386
Purchases of securities held to maturity	(850)	0
Proceeds from sales of loans	121	240
Net decrease (increase) in loans	(1,002)	(1,308)
Purchases of other investments	(20)	(36)
Other, net	(204)	(68)
Net cash provided by (used in) investing activities	(1,379)	(1,314)
Cash Flows from Financing Activities:
Net increase (decrease) in deposits	1,927	(1,258)
Net increase (decrease) in commercial paper and other short-term borrowings	(420)	1,988
Proceeds from issuance of long-term debt	1,300	2,755
Repayment of long-term debt	(1,886)	(815)
Other, net	0	(21)
Net cash provided by (used in) financing activities	921	2,649
Net change in cash, cash equivalents and restricted cash	571	1,159
Cash, cash equivalents and restricted cash at beginning of period	8,398	3,528
Cash, cash equivalents and restricted cash at end of period	8,969	4,687
Cash Paid During the Period For:
Interest	706	311
Income taxes, net	21	25
Supplemental Schedule of Noncash Investing and Financing Activities:
Securities available for sale transferred to securities held to maturity	71	(91)
securities held to maturity transferred to securities available for sale	170	0
Securities available for sale transferred to securities held to maturity	0	1,924
Lease assets upon adoption of ASU 2016-02, Leases	632	0
Lease liabilities upon adoption of ASU 2016-02, Leases	740	0
Reconciliation of Cash, Cash Equivalents and Restricted Cash:
Cash and cash equivalents	8,350
Total cash, cash equivalents and restricted cash per consolidated statement of cash flows	$ 8,398	$ 3,528

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Summary of Significant Accounting Policies and Nature of Operations

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Summary of Significant Accounting Policies and Nature of Operations

Summary of Significant Accounting Policies and Nature of Operations

MUFG Americas Holdings Corporation (MUAH) is a financial holding company, bank holding company and intermediate holding company whose principal subsidiaries are MUFG Union Bank, N.A. (MUB or the Bank) and MUFG Securities Americas Inc. (MUSA). MUAH provides a wide range of financial services to consumers, small businesses, middle-market companies and major corporations nationally and internationally. The Company also provides various business, banking, financial, administrative and support services, and facilities for MUFG Bank, Ltd. (formerly The Bank of Tokyo-Mitsubishi UFJ, Ltd.) in connection with the operation and administration of MUFG Bank, Ltd.'s business in the U.S. (including MUFG Bank, Ltd.'s U.S. branches). All of the Company's issued and outstanding shares of common stock are owned by MUFG Bank, Ltd. and MUFG. The unaudited Consolidated Financial Statements of MUFG Americas Holdings Corporation, its subsidiaries, and its consolidated variable interest entities (the Company) have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial reporting and the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the Rules and Regulations of the SEC. However, they do not include all of the disclosures necessary for annual financial statements. In the opinion of management, all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation have been included. The results of operations for the first quarter of 2019 are not necessarily indicative of the operating results anticipated for the full year. These unaudited Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2018 (2018 Form 10-K).

The preparation of financial statements in conformity with GAAP also requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expense during the reporting period. Although such estimates contemplate current conditions and management’s expectations of how they may change in the future, it is reasonably possible that actual results could differ significantly from those estimates. This could materially affect the Company’s results of operations and financial condition in the near term. Critical estimates made by management in the preparation of the Company’s financial statements include, but are not limited to, the allowance for credit losses (Note 3 "Loans and Allowance for Loan Losses"), goodwill impairment, fair value of financial instruments (Note 8 "Fair Value Measurement and Fair Value of Financial Instruments"), pension accounting (Note 11 "Employee Pension and Other Postretirement Benefits"), income taxes, and transfer pricing.

Recently Issued Accounting Pronouncements

Measurement of Credit Losses on Financial Instruments

In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instruments, which provides new guidance on the accounting for credit losses for instruments that are within its scope. This new guidance is commonly referred to as the current expected credit loss (“CECL”) model. For loans and debt securities accounted for at amortized cost, certain off-balance sheet credit exposures, net investments in leases, and trade receivables, the ASU requires an entity to recognize its estimate of credit losses expected over the life of the financial instrument or exposure. Lifetime expected credit losses on purchased financial assets with credit deterioration will be recognized as an allowance with an offset to the cost basis of the asset. For available for sale debt securities, the new standard will require recognition of expected credit losses by recognizing an allowance for credit losses when the fair value of the security is below amortized cost and the recognition of this allowance is limited to the difference between the security’s amortized cost basis and fair value. The ASU is effective for interim and annual periods beginning on January 1, 2020, with early adoption permitted in 2019. The Company plans to adopt the ASU on January 1, 2020. The Company has completed the design phase of the implementation and will begin parallel testing in the second quarter of 2019. Management currently expects the allowance for credit losses will increase upon adoption of this ASU; however, the magnitude of the change is highly dependent on economic conditions and portfolio composition at the time of adoption.

Simplifying the Test for Goodwill Impairment

In January 2017, the FASB issued ASU 2017-04, Simplifying the Test for Goodwill Impairment. The ASU removes Step 2 of the goodwill impairment test, which measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of that goodwill. Under the amendments, a goodwill impairment loss will be measured as the amount by which a reporting unit’s carrying amount exceeds its fair value; however, the loss recognized cannot exceed the total amount of goodwill allocated to that reporting unit. Additionally, an entity should consider income tax effects from any tax deductible goodwill on the carrying amount of the reporting unit when measuring the goodwill impairment loss. The ASU will be effective for MUAH beginning January 1, 2020 on a prospective basis. Management does not expect the adoption of this guidance to significantly impact the Company’s financial position or results of operations.

Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement

In August 2018, the FASB issued ASU 2018-13, Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement, which modifies disclosure requirements on fair value measurements to improve their effectiveness. The guidance permits entities to consider materiality when evaluating fair value measurement disclosures and, among other modifications, requires certain new disclosures related to Level 3 fair value measurements. The guidance will be effective for MUAH beginning January 1, 2020, with early adoption permitted. The guidance only affects disclosures in the notes to the consolidated financial statements and will not affect the Company’s financial position or results of operations.

Recently Adopted Accounting Pronouncements

Accounting for Leases

In February 2016, the FASB issued ASU 2016-02, Leases, which requires entities that lease assets (i.e., lessees) to recognize assets and liabilities on their balance sheet for the rights and obligations created by those leases. The accounting by entities that own the assets leased (i.e., lessors) remains largely unchanged; however, leveraged lease accounting is no longer permitted for leases that commence after the effective date. The ASU also requires qualitative and quantitative disclosures about the amount, timing and uncertainty of cash flows arising from leases. The ASU is effective for interim and annual periods beginning on January 1, 2019 and requires a modified retrospective approach, with early adoption permitted. In July 2018, the FASB issued ASU 2018-11, Leases, which allows entities the option to recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. In December 2018, the FASB issued ASU 2018-20, Leases, which clarified lessor accounting for sales and similar taxes collected by lessors, certain lessor costs, and lease payments with lease and nonlease components. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations.

Premium Amortization on Purchased Callable Debt Securities

In March 2017, the FASB issued ASU 2017-08, Premium Amortization on Purchased Callable Debt Securities, which requires premiums on certain purchased callable debt securities to be amortized to the earliest call date. Under current guidance, premiums on callable debt securities are generally amortized over the contractual life of the security. The amortization period for callable debt securities purchased at a discount will not be impacted. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations.

Targeted Improvements to Accounting for Hedging Activities

In August 2017, the FASB issued ASU 2017-12, Targeted Improvements to Accounting for Hedging Activities, which will make more hedging strategies eligible for hedge accounting, simplify the application of hedge accounting, and enhance the transparency and understandability of hedge results. The guidance eliminates the requirement to separately measure and report hedge ineffectiveness and generally requires the entire change in the fair value of a hedging instrument to be presented in the same income statement line as the hedged item. It also amends the disclosure requirements and changes how entities assess effectiveness. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations. As permitted by this guidance, the Company transferred securities held to maturity with a carrying amount of $170 million to securities available for sale upon adoption.

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Securities

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Securities

Securities

Securities Available for Sale

At March 31, 2019 and December 31, 2018, the amortized cost, gross unrealized gains, gross unrealized losses and fair values of securities available for sale are presented below.

	March 31, 2019
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Asset Liability Management securities:
U.S. Treasury	$	3,574	$	3	$	91	$	3,486
U.S. government-sponsored agencies	1		—		—		1
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	9,169		26		108		9,087
Privately issued	942		2		12		932
Privately issued - commercial mortgage-backed securities	1,441		17		5		1,453
Collateralized loan obligations	1,547		—		9		1,538
Other	4		—		—		4
Asset Liability Management securities	16,678		48		225		16,501
Other debt securities:
Direct bank purchase bonds	1,115		35		26		1,124
Other	182		—		—		182
Total securities available for sale	$	17,975	$	83	$	251	$	17,807

	December 31, 2018
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Asset Liability Management securities:
U.S. Treasury	$	3,572	$	1	$	144	$	3,429
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	8,168		7		168		8,007
Privately issued	887		—		23		864
Privately issued - commercial mortgage-backed securities	1,179		3		20		1,162
Collateralized loan obligations	1,492		—		18		1,474
Other	4		—		—		4
Asset Liability Management securities	15,302		11		373		14,940
Other debt securities:
Direct bank purchase bonds	1,190		30		30		1,190
Other	188		—		4		184
Total securities available for sale	$	16,680	$	41	$	407	$	16,314

The Company’s securities available for sale with a continuous unrealized loss position at March 31, 2019 and December 31, 2018 are shown below, identified for periods less than 12 months and 12 months or more.

	March 31, 2019
	Less than 12 months				12 months or more				Total
(Dollars in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Asset Liability Management securities:
U.S. Treasury	$	—	$	—	$	3,136	$	91	$	3,136	$	91
U.S. government-sponsored agencies	1		—		—		—		1		—
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	1,527		11		4,877		97		6,404		108
Privately issued	36		—		598		12		634		12
Privately issued - commercial mortgage-backed securities	80		—		525		5		605		5
Collateralized loan obligations	1,351		8		32		1		1,383		9
Asset Liability Management securities	2,995		19		9,168		206		12,163		225
Other debt securities:
Direct bank purchase bonds	19		1		412		25		431		26
Other	75		—		4		—		79		—
Total securities available for sale	$	3,089	$	20	$	9,584	$	231	$	12,673	$	251

	December 31, 2018
	Less than 12 months				12 months or more				Total
(Dollars in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Asset Liability Management securities:
U.S. Treasury	$	147	$	1	$	3,182	$	143	$	3,329	$	144
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	1,941		8		4,797		160		6,738		168
Privately issued	398		7		383		16		781		23
Privately issued - commercial mortgage-backed securities	364		6		512		14		876		20
Collateralized loan obligations	1,428		18		—		—		1,428		18
Asset Liability Management securities	4,278		40		8,874		333		13,152		373
Other debt securities:
Direct bank purchase bonds	221		6		417		24		638		30
Other	178		4		4		—		182		4
Total securities available for sale	$	4,677	$	50	$	9,295	$	357	$	13,972	$	407

At March 31, 2019, the Company did not have the intent to sell any securities in an unrealized loss position before a recovery of the amortized cost, which may be at maturity. The Company also believes that it is more likely than not that it will not be required to sell the securities prior to recovery of amortized cost.

Agency residential mortgage-backed securities consist of securities guaranteed by a U.S. government corporation, such as Ginnie Mae, or a government-sponsored agency such as Freddie Mac or Fannie Mae. These securities are collateralized by residential mortgage loans and may be prepaid at par prior to maturity. The unrealized losses on agency residential mortgage-backed securities resulted from changes in interest rates and not from changes in credit quality. At March 31, 2019, the Company expects to recover the entire amortized cost basis of these securities because the Company determined that the strength of the issuers’ guarantees through direct obligations or support from the U.S. government is sufficient to protect the Company from losses.

Commercial mortgage-backed securities are collateralized by commercial mortgage loans and are generally subject to prepayment penalties. The unrealized losses on commercial mortgage-backed securities resulted from higher market yields since purchase. Cash flow analysis of the underlying collateral provides an estimate of other-than-temporary impairment, which is performed quarterly when the fair value of a security is lower than its amortized cost. Based on the analysis performed as of March 31, 2019, the Company expects to recover the entire amortized cost basis of these securities.

The Company’s CLOs consist of Cash Flow CLOs. A Cash Flow CLO is a structured finance product that securitizes a diversified pool of loan assets into multiple classes of notes. Cash Flow CLOs pay the note holders through the receipt of interest and principal repayments from the underlying loans unlike other types of CLOs that pay note holders through the trading and sale of underlying collateral. Unrealized losses typically arise from widening credit spreads and deteriorating credit quality of the underlying collateral. Cash flow analysis of the underlying collateral provides an estimate of other-than-temporary impairment, which is performed quarterly when the fair value of a security is lower than its amortized cost. Based on the analysis performed as of March 31, 2019, the Company expects to recover the entire amortized cost basis of these securities.

Other debt securities primarily consist of direct bank purchase bonds, which are not rated by external credit rating agencies. The unrealized losses on these bonds resulted from a higher return on capital expected by the secondary market compared with the return on capital required at the time of origination when the bonds were purchased. The Company estimates the unrealized loss for each security by assessing the underlying collateral of each security. The Company estimates the portion of loss attributable to credit based on the expected cash flows of the underlying collateral using estimates of current key assumptions, such as probability of default and loss severity. Cash flow analysis of the underlying collateral provides an estimate of other-than-temporary impairment, which is performed quarterly when the fair value of a security is lower than its amortized cost and potential impairment is identified. Based on the analysis performed as of March 31, 2019, the Company expects to recover the entire amortized cost basis of these securities.

The fair value of debt securities available for sale by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to prepay obligations with or without prepayment penalties.

	March 31, 2019
(Dollars in millions)	One Year or Less		Over One Year Through Five Years		Over Five Years Through Ten Years		Over Ten Years		Total Fair Value
Asset Liability Management securities:
U.S. Treasury	$	—	$	1,301	$	2,185	$	—	$	3,486
U.S. government-sponsored agencies	1		—		—		—		1
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	—		341		1,272		7,474		9,087
Privately issued	—		—		—		932		932
Privately issued - commercial mortgage-backed securities	—		33		74		1,346		1,453
Collateralized loan obligations	—		—		339		1,199		1,538
Other	—		4		—		—		4
Asset Liability Management securities	1		1,679		3,870		10,951		16,501
Other debt securities:
Direct bank purchase bonds	—		414		581		129		1,124
Other	13		150		—		19		182
Total debt securities available for sale	$	14	$	2,243	$	4,451	$	11,099	$	17,807

The gross realized gains and losses from sales of available for sale securities for the three months endedMarch 31, 2019 and 2018 are shown below. The specific identification method is used to calculate realized gains and losses on sales.

	For the Three Months Ended March 31,
(Dollars in millions)	2019		2018
Gross realized gains	$	1	$	—

Securities Held to Maturity

At March 31, 2019 and December 31, 2018, the amortized cost, gross unrealized gains and losses recognized in OCI, carrying amount, gross unrealized gains and losses not recognized in OCI, and fair values of securities held to maturity are presented below. Management has asserted the positive intent and ability to hold these securities to maturity.

	March 31, 2019
			Recognized in OCI						Not Recognized in OCI
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Carrying Amount		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury	$	427	$	—	$	—	$	427	$	1	$	1	$	427
U.S. government-sponsored agencies	850		—		—		850		—		—		850
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	7,840		1		92		7,749		39		122		7,666
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	1,421		—		38		1,383		23		18		1,388
Total securities held to maturity	$	10,538	$	1	$	130	$	10,409	$	63	$	141	$	10,331

	December 31, 2018
			Recognized in OCI						Not Recognized in OCI
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Carrying Amount		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury	$	528	$	—	$	—	$	528	$	1	$	2	$	527
U.S. government-sponsored agencies	722		—		—		722		1		—		723
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	8,302		1		96		8,207		11		191		8,027
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	1,486		—		42		1,444		17		18		1,443
Total securities held to maturity	$	11,038	$	1	$	138	$	10,901	$	30	$	211	$	10,720

Amortized cost is defined as the original purchase cost, adjusted for any accretion or amortization of a purchase discount or premium, less principal payments and any impairment previously recognized in earnings. The carrying amount is the difference between the amortized cost and the amount recognized in OCI. The amount recognized in OCI primarily reflects the unrealized gain or loss at date of transfer from available for sale to the held to maturity classification, net of amortization, which is recorded in interest income on securities.

The Company’s securities held to maturity with a continuous unrealized loss position at March 31, 2019 and December 31, 2018 are shown below, separately for periods less than 12 months and 12 months or more.

	March 31, 2019
	Less than 12 months						12 months or more						Total
			Unrealized Losses						Unrealized Losses						Unrealized Losses
(Dollars in millions)	Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI
U.S. Treasury	$	—	$	—	$	—	$	398	$	—	$	1	$	398	$	—	$	1
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	—		—		—		7,479		92		122		7,479		92		122
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	16		—		—		1,373		38		18		1,389		38		18
Total securities held to maturity	$	16	$	—	$	—	$	9,250	$	130	$	141	$	9,266	$	130	$	141

	December 31, 2018
	Less than 12 months						12 months or more						Total
			Unrealized Losses						Unrealized Losses						Unrealized Losses
(Dollars in millions)	Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI
U.S. Treasury	$	—	$	—	$	—	$	496	$	—	$	2	$	496	$	—	$	2
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	668		—		11		7,191		96		180		7,859		96		191
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	29		—		—		1,396		42		18		1,425		42		18
Total securities held to maturity	$	697	$	—	$	11	$	9,083	$	138	$	200	$	9,780	$	138	$	211

The carrying amount and fair value of securities held to maturity by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to prepay obligations with or without prepayment penalties.

					March 31, 2019
	Within One Year				Over One Year Through Five Years				Over Five Years Through Ten Years				Over Ten Years				Total
(Dollars in millions)	Carrying Amount		Fair Value		Carrying Amount		Fair Value		Carrying Amount		Fair Value		Carrying Amount		Fair Value		Carrying Amount		Fair Value
U.S. Treasury	$	423	$	423	$	4	$	4	$	—	$	—	$	—	$	—	$	427	$	427
U.S. government-sponsored agencies	—		—		500		500		350		350		—		—		850		850
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	—		—		—		—		945		936		6,804		6,730		7,749		7,666
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	21		21		776		791		—		—		586		576		1,383		1,388
Total securities held to maturity	$	444	$	444	$	1,280	$	1,295	$	1,295	$	1,286	$	7,390	$	7,306	$	10,409	$	10,331

Securities Pledged and Received as Collateral

At March 31, 2019 and December 31, 2018, the Company pledged $10.6 billion and $11.9 billion of available for sale and trading securities as collateral, respectively, of which $2.0 billion and $1.3 billion, respectively, was permitted to be sold or repledged. These securities were pledged as collateral for derivative liability positions, securities loaned or sold under repurchase agreements, and to secure public and trust department deposits.

At March 31, 2019 and December 31, 2018, the Company received $32.1 billion and $33.1 billion, respectively, of collateral for derivative asset positions and securities borrowed or purchased under resale agreements, of which $32.1 billion and $33.1 billion, respectively, was permitted to be sold or repledged. Of the collateral received, the Company sold or repledged $31.2 billion and $32.1 billion at March 31, 2019 and December 31, 2018, respectively, for securities loaned or sold under repurchase agreements.

For additional information related to the Company's significant accounting policies on securities pledged as collateral, see Note 1 "Summary of Significant Accounting Policies and Nature of Operations" to our Consolidated Financial Statements in Part II, Item 8. "Financial Statements and Supplementary Data" in our 2018 Form 10-K.

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Loans and Allowance for Loan Losses

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Loans and Allowance for Loan Losses

Loans and Allowance for Loan Losses

The following table provides the outstanding balances of loans held for investment at March 31, 2019 and December 31, 2018.

(Dollars in millions)	March 31, 2019			December 31, 2018
Loans held for investment:
Commercial and industrial	$	25,303		$	24,919
Commercial mortgage	15,299			15,354
Construction	1,691			1,613
Lease financing	1,322			1,249
Total commercial portfolio	43,615			43,135
Residential mortgage	38,439			38,439
Home equity and other consumer loans	5,533			4,933
Total consumer portfolio	43,972			43,372
Total loans held for investment(1)	87,587			86,507
Allowance for loan losses	(516		)	(474		)
Loans held for investment, net	$	87,071		$	86,033

(1) Includes $343 million and $340 million at March 31, 2019 and December 31, 2018, respectively, for net unamortized (discounts) and premiums and deferred (fees) and costs.

Allowance for Loan Losses

The following tables provide a reconciliation of changes in the allowance for loan losses by portfolio segment.

	For the Three Months Ended March 31, 2019
(Dollars in millions)	Commercial			Consumer			Unallocated		Total
Allowance for loan losses, beginning of period	$	359		$	110		$	5	$	474
(Reversal of) provision for loan losses	32			27			—		59
Loans charged-off	(11		)	(17		)	—		(28		)
Recoveries of loans previously charged-off	9			2			—		11
Allowance for loan losses, end of period	$	389		$	122		$	5	$	516

	For the Three Months Ended March 31, 2018
(Dollars in millions)	Commercial			Consumer			Unallocated			Total
Allowance for loan losses, beginning of period	$	360		$	86		$	30		$	476
(Reversal of) provision for loan losses	14			6			(25		)	(5		)
Loans charged-off	(6		)	(10		)	—			(16		)
Recoveries of loans previously charged-off	3			2			—			5
Allowance for loan losses, end of period	$	371		$	84		$	5		$	460

The following tables show the allowance for loan losses and related loan balances by portfolio segment as of March 31, 2019 and December 31, 2018.

	March 31, 2019
(Dollars in millions)	Commercial		Consumer		Unallocated		Total
Allowance for loan losses:
Individually evaluated for impairment	$	109	$	13	$	—	$	122
Collectively evaluated for impairment	280		109		5		394
Total allowance for loan losses	$	389	$	122	$	5	$	516
Loans held for investment:
Individually evaluated for impairment	$	654	$	274	$	—	$	928
Collectively evaluated for impairment	42,961		43,698		—		86,659
Total loans held for investment	$	43,615	$	43,972	$	—	$	87,587

	December 31, 2018
(Dollars in millions)	Commercial		Consumer		Unallocated		Total
Allowance for loan losses:
Individually evaluated for impairment	$	62	$	13	$	—	$	75
Collectively evaluated for impairment	297		97		5		399
Total allowance for loan losses	$	359	$	110	$	5	$	474
Loans held for investment:
Individually evaluated for impairment	$	450	$	280	$	—	$	730
Collectively evaluated for impairment	42,685		43,092		—		85,777
Total loans held for investment	$	43,135	$	43,372	$	—	$	86,507

Nonaccrual and Past Due Loans

The following table presents nonaccrual loans as of March 31, 2019 and December 31, 2018.

(Dollars in millions)	March 31, 2019		December 31, 2018
Commercial and industrial	$	478	$	269
Commercial mortgage	12		12
Total commercial portfolio	490		281
Residential mortgage	124		121
Home equity and other consumer loans	20		19
Total consumer portfolio	144		140
Total nonaccrual loans	$	634	$	421
Troubled debt restructured loans that continue to accrue interest	$	296	$	299
Troubled debt restructured nonaccrual loans (included in total nonaccrual loans above)	$	163	$	136

The following tables show the aging of the balance of loans held for investment by class as of March 31, 2019 and December 31, 2018.

	March 31, 2019
	Aging Analysis of Loans
(Dollars in millions)	Current		30 to 89 Days Past Due		90 Days or More Past Due		Total Past Due		Total
Commercial and industrial	$	26,381	$	220	$	24	$	244	$	26,625
Commercial mortgage	15,273		22		4		26		15,299
Construction	1,685		5		1		6		1,691
Total commercial portfolio	43,339		247		29		276		43,615
Residential mortgage	38,256		141		42		183		38,439
Home equity and other consumer loans	5,491		29		13		42		5,533
Total consumer portfolio	43,747		170		55		225		43,972
Total loans held for investment	$	87,086	$	417	$	84	$	501	$	87,587

	December 31, 2018
	Aging Analysis of Loans
(Dollars in millions)	Current		30 to 89 Days Past Due		90 Days or More Past Due		Total Past Due		Total
Commercial and industrial	$	26,114	$	18	$	36	$	54	$	26,168
Commercial mortgage	15,333		17		4		21		15,354
Construction	1,593		20		—		20		1,613
Total commercial portfolio	43,040		55		40		95		43,135
Residential mortgage	38,218		175		46		221		38,439
Home equity and other consumer loans	4,893		28		12		40		4,933
Total consumer portfolio	43,111		203		58		261		43,372
Total loans held for investment	$	86,151	$	258	$	98	$	356	$	86,507

Loans 90 days or more past due and still accruing interest totaled $13 million at March 31, 2019 and $23 million at December 31, 2018.

Credit Quality Indicators

Management analyzes the Company's loan portfolios by applying specific monitoring policies and procedures that vary according to the relative risk profile and other characteristics within the various loan portfolios. Loans within the commercial portfolio segment are classified as either pass or criticized. Criticized credits are those that have regulatory risk ratings of special mention, substandard or doubtful; classified credits are those that have regulatory risk ratings of substandard or doubtful. Special mention credits are potentially weak, as the borrower has begun to exhibit deteriorating trends, which, if not corrected, may jeopardize repayment of the loan and result in further downgrade. Substandard credits have well-defined weaknesses, which, if not corrected, could jeopardize the full satisfaction of the debt. A credit classified as doubtful has critical weaknesses that make full collection improbable on the basis of currently existing facts and conditions.

The following tables summarize the loans in the commercial portfolio segment monitored for credit quality based on regulatory risk ratings.

	March 31, 2019
			Criticized
(Dollars in millions)	Pass		Special Mention		Classified		Total
Commercial and industrial	$	25,339	$	569	$	717	$	26,625
Commercial mortgage	15,018		121		160		15,299
Construction	1,518		111		62		1,691
Total commercial portfolio	$	41,875	$	801	$	939	$	43,615

	December 31, 2018
			Criticized
(Dollars in millions)	Pass		Special Mention		Classified		Total
Commercial and industrial	$	25,191	$	355	$	622	$	26,168
Commercial mortgage	15,138		105		111		15,354
Construction	1,542		8		63		1,613
Total commercial portfolio	$	41,871	$	468	$	796	$	43,135

The Company monitors the credit quality of its consumer portfolio segment based primarily on payment status. The following tables summarize the loans in the consumer portfolio segment, which exclude $5 million and $6 million of loans covered by FDIC loss share agreements, at March 31, 2019 and December 31, 2018, respectively.

	March 31, 2019
(Dollars in millions)	Accrual		Nonaccrual		Total
Residential mortgage	$	38,312	$	124	$	38,436
Home equity and other consumer loans	5,511		20		5,531
Total consumer portfolio	$	43,823	$	144	$	43,967

	December 31, 2018
(Dollars in millions)	Accrual		Nonaccrual		Total
Residential mortgage	$	38,314	$	121	$	38,435
Home equity and other consumer loans	4,912		19		4,931
Total consumer portfolio	$	43,226	$	140	$	43,366

The Company also monitors the credit quality for substantially all of its consumer portfolio segment using credit scores provided by FICO and refreshed LTV ratios. FICO credit scores are refreshed at least quarterly to monitor the quality of the portfolio. Refreshed LTV measures the principal balance of the loan as a percentage of the estimated current value of the property securing the loan. Home equity loans are evaluated using combined LTV, which measures the principal balance of the combined loans that have liens against the property (including unused credit lines for home equity products) as a percentage of the estimated current value of the property securing the loans. The LTV ratios are refreshed on a quarterly basis, using the most recent home pricing index data available for the property location. 

The following tables summarize the loans in the consumer portfolio segment based on refreshed FICO scores and refreshed LTV ratios at March 31, 2019 and December 31, 2018. These tables exclude loans covered by FDIC loss share agreements, as discussed above. The amounts presented reflect unpaid principal balances less partial charge-offs.

	March 31, 2019
	FICO scores
(Dollars in millions)	720 and Above			Below 720			No FICO Available(1)			Total
Residential mortgage	$	31,693		$	5,950		$	403		$	38,046
Home equity and other consumer loans	3,711			1,712			53			5,476
Total consumer portfolio	$	35,404		$	7,662		$	456		$	43,522
Percentage of total	81		%	18		%	1		%	100		%

(1) Represents loans for which management was not able to obtain an updated FICO score (e.g., due to recent profile changes).

	December 31, 2018
	FICO scores
(Dollars in millions)	720 and Above			Below 720			No FICO Available(1)			Total
Residential mortgage	$	31,589		$	6,022		$	434		$	38,045
Home equity and other consumer loans	3,349			1,448			52			4,849
Total consumer portfolio	$	34,938		$	7,470		$	486		$	42,894
Percentage of total	82		%	17		%	1		%	100		%

(1) Represents loans for which management was not able to obtain an updated FICO score (e.g., due to recent profile changes).

	March 31, 2019
	LTV ratios
(Dollars in millions)	Less than or Equal to 80 Percent			Greater than 80 and Less than 100 Percent			Greater than or Equal to 100 Percent			No LTV Available(1)			Total
Residential mortgage	$	35,859		$	2,106		$	8		$	73		$	38,046
Home equity loans	1,914			239			13			24			2,190
Total consumer portfolio	$	37,773		$	2,345		$	21		$	97		$	40,236
Percentage of total	94		%	6		%	—		%	—		%	100		%

(1) Represents loans for which management was not able to obtain refreshed property values.

	December 31, 2018
	LTV ratios
(Dollars in millions)	Less than or Equal to 80 Percent			Greater than 80 and Less than 100 Percent			Greater than or Equal to 100 Percent			No LTV Available(1)			Total
Residential mortgage	$	36,604		$	1,361		$	4		$	75		$	38,044
Home equity loans	1,966			221			12			24			2,223
Total consumer portfolio	$	38,570		$	1,582		$	16		$	99		$	40,267
Percentage of total	96		%	4		%	—		%	—		%	100		%

(1) Represents loans for which management was not able to obtain refreshed property values.

Troubled Debt Restructurings

The following table provides a summary of the Company’s recorded investment in TDRs as of March 31, 2019 and December 31, 2018. The summary includes those TDRs that are on nonaccrual status and those that continue to accrue interest. The Company had $45 million and $49 million in commitments to lend additional funds to borrowers with loan modifications classified as TDRs as of March 31, 2019 and December 31, 2018, respectively.

(Dollars in millions)	March 31, 2019		December 31, 2018
Commercial and industrial	$	137	$	109
Commercial mortgage	47		46
Construction	62		63
Total commercial portfolio	246		218
Residential mortgage	192		196
Home equity and other consumer loans	21		21
Total consumer portfolio	213		217
Total restructured loans	$	459	$	435

For the first quarter of 2019, TDR modifications in the commercial portfolio segment were substantially composed of interest rate changes, maturity extensions, forbearance, conversions from revolving lines of credit to term loans, or some combination thereof. In the consumer portfolio segment, modifications were substantially composed of maturity extensions. There were no charge-offs related to TDR modifications for the three months ended March 31, 2019 and March 31, 2018. For the commercial and consumer portfolio segments, the allowance for loan losses for TDRs was measured on an individual loan basis or in pools with similar risk characteristics.

The following tables provide the pre- and post-modification outstanding recorded investment amounts of TDRs as of the date of the restructuring that occurred during the three months ended March 31, 2019 and 2018.

	For the Three Months Ended March 31, 2019
(Dollars in millions)	Pre-Modification Outstanding Recorded Investment(1)		Post-Modification Outstanding Recorded Investment(2)
Commercial and industrial	$	41	$	41
Commercial mortgage	2		2
Total commercial portfolio	43		43
Residential mortgage	4		4
Home equity and other consumer loans	1		1
Total consumer portfolio	5		5
Total	$	48	$	48

(1) Represents the recorded investment in the loan immediately prior to the restructuring event.

(2) Represents the recorded investment in the loan immediately following the restructuring event. It includes the effect of paydowns that were required as part of the restructuring terms.

	For the Three Months Ended March 31, 2018
(Dollars in millions)	Pre-Modification Outstanding Recorded Investment(1)		Post-Modification Outstanding Recorded Investment(2)
Commercial and industrial	$	14	$	14
Total commercial portfolio	14		14
Residential mortgage	1		1
Total consumer portfolio	1		1
Total	$	15	$	15

(1) Represents the recorded investment in the loan immediately prior to the restructuring event.

(2) Represents the recorded investment in the loan immediately following the restructuring event. It includes the effect of paydowns that were required as part of the restructuring terms.

The following tables provide the recorded investment amounts of TDRs at the date of default, for which there was a payment default during the three months ended March 31, 2019, and where the default occurred within the first twelve months after modification into a TDR. A payment default is defined as the loan being 60 days or more past due. There were no such defaults during the three months ended March 31, 2018.

(Dollars in millions)	For the Three Months Ended March 31, 2019
Commercial and industrial	$	—
Commercial mortgage	1
Total commercial portfolio	1
Residential mortgage	$	—
Home equity and other consumer loans	—
Total consumer portfolio	—
Total	$	1

For loans in the consumer portfolio in which impairment is measured using the present value of expected future cash flows discounted at the loan’s effective interest rate, historical payment defaults and the propensity to redefault are some of the factors considered when determining the allowance for loan losses.

Loan Impairment

Loans that are individually evaluated for impairment include larger nonaccruing loans within the commercial and industrial, construction, and commercial mortgage loan portfolios and loans modified in a TDR. The Company records an impairment allowance when the value of an impaired loan is less than the recorded investment in the loan.

The following tables show information about impaired loans by class as of March 31, 2019 and December 31, 2018.

	March 31, 2019
	Recorded Investment								Unpaid Principal Balance
(Dollars in millions)	With an Allowance		Without an Allowance		Total		Allowance for Impaired Loans		With an Allowance		Without an Allowance
Commercial and industrial	$	511	$	17	$	528	$	108	$	578	$	50
Commercial mortgage	22		42		64		1		22		42
Construction	—		62		62		—		—		62
Total commercial portfolio	533		121		654		109		600		154
Residential mortgage	170		71		241		12		179		85
Home equity and other consumer loans	22		11		33		1		22		20
Total consumer portfolio	192		82		274		13		201		105
Total	$	725	$	203	$	928	$	122	$	801	$	259

	December 31, 2018
	Recorded Investment								Unpaid Principal Balance
(Dollars in millions)	With an Allowance		Without an Allowance		Total		Allowance for Impaired Loans		With an Allowance		Without an Allowance
Commercial and industrial	$	299	$	22	$	321	$	61	$	372	$	39
Commercial mortgage	25		41		66		1		25		41
Construction	—		63		63		—		—		63
Total commercial portfolio	324		126		450		62		397		143
Residential mortgage	175		71		246		12		184		85
Home equity and other consumer loans	22		12		34		1		22		21
Total consumer portfolio	197		83		280		13		206		106
Total	$	521	$	209	$	730	$	75	$	603	$	249

The following table presents the average recorded investment in impaired loans and the amount of interest income recognized for impaired loans during the three months ended March 31, 2019 and 2018 for the commercial and consumer loans portfolio segments.

	For the Three Months Ended March 31,
	2019				2018
(Dollars in millions)	Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income
Commercial and industrial	$	430	$	3	$	293	$	2
Commercial mortgage	65		2		37		10
Construction	62		1		128		2
Total commercial portfolio	557		6		458		14
Residential mortgage	244		3		272		4
Home equity and other consumer loans	33		2		41		1
Total consumer portfolio	277		5		313		5
Total	$	834	$	11	$	771	$	19

The following table presents loan transfers from held to investment to held for sale and proceeds from

sales of loans during the three months ended March 31, 2019 and 2018 for the commercial and consumer loans portfolio segments.

	For the Three Months Ended March 31,
	2019				2018
(Dollars in millions)	Transfer of loans from held for investment to held for sale, net		Proceeds from Sale		Transfer of loans from held for investment to held for sale, net			Proceeds from Sale
Commercial portfolio	$	71	$	121	$	(91	)	$	240
Consumer portfolio	—		—		—			—
Total	$	71	$	121	$	(91	)	$	240

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Variable Interest Entities

3 Months Ended

Mar. 31, 2019

Variable Interest Entities

Variable Interest Entities

Variable Interest Entities

In the normal course of business, the Company has certain financial interests in entities which have been determined to be VIEs. Generally, a VIE is a corporation, partnership, trust or other legal structure where the equity investors do not have substantive voting rights, an obligation to absorb the entity’s losses or the right to receive the entity’s returns, or the ability to direct the significant activities of the entity. The following discusses the Company’s consolidated and unconsolidated VIEs.

Consolidated VIEs

The following tables present the assets and liabilities of consolidated VIEs recorded on the Company’s consolidated balance sheets at March 31, 2019 and December 31, 2018.

	March 31, 2019
	Consolidated Assets								Consolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities
LIHC investments	$	—	$	—	$	38	$	38	$	—	$	—
Leasing investments	—		490		121		611		17		17
Total consolidated VIEs	$	—	$	490	$	159	$	649	$	17	$	17

	December 31, 2018
	Consolidated Assets								Consolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities
LIHC investments	$	—	$	—	$	43	$	43	$	—	$	—
Leasing investments	—		570		122		692		17		17
Total consolidated VIEs	$	—	$	570	$	165	$	735	$	17	$	17

LIHC Investments

The Company sponsors, manages and syndicates two LIHC investment fund structures. These investments are designed to generate a return primarily through the realization of U.S. federal tax credits and deductions. The Company is considered the primary beneficiary and has consolidated these investments because the Company has the power to direct activities that most significantly impact the funds’ economic performances and also has the obligation to absorb losses of the funds that could potentially be significant to the funds. Neither creditors nor equity investors in the LIHC investments have any recourse to the general credit of the Company, and the Company’s creditors do not have any recourse to the assets of the consolidated LIHC investments.

Leasing Investments

The Company has leasing investments primarily in the wind energy, rail and coal industries. The Company is considered the primary beneficiary and has consolidated these investments because the Company has the power to direct the activities of these entities that significantly impact the entities’ economic performances. The Company also has the right to receive potentially significant benefits or the obligation to absorb potentially significant losses of these investments.

Unconsolidated VIEs

The following tables present the Company’s carrying amounts related to the unconsolidated VIEs at March 31, 2019 and December 31, 2018. The tables also present the Company’s maximum exposure to loss resulting from its involvement with these VIEs. The maximum exposure to loss represents the carrying amount of the Company’s involvement plus any legally binding unfunded commitments in the unlikely event that all of the assets in the VIEs become worthless. During the three months endedMarch 31, 2019 and March 31, 2018, the Company had noncash increases in unfunded commitments on LIHC investments of $55 million and $23 million, respectively, included within other liabilities.

	March 31, 2019
	Unconsolidated Assets										Unconsolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Securities Available for Sale		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities		Maximum Exposure to Loss
LIHC investments	$	—	$	28	$	216	$	998	$	1,242	$	207	$	207	$	1,242
Renewable energy investments	26		—		18		1,365		1,409		14		14		1,430
Other investments	—		—		—		40		40		—		—		80
Total unconsolidated VIEs	$	26	$	28	$	234	$	2,403	$	2,691	$	221	$	221	$	2,752

	December 31, 2018
	Unconsolidated Assets										Unconsolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Securities Available for Sale		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities		Maximum Exposure to Loss
LIHC investments	$	—	$	28	$	198	$	976	$	1,202	$	165	$	165	$	1,202
Renewable energy investments	26		—		19		1,401		1,446		14		14		1,467
Other investments	—		—		—		35		35		—		—		79
Total unconsolidated VIEs	$	26	$	28	$	217	$	2,412	$	2,683	$	179	$	179	$	2,748

LIHC Investments

The Company makes investments in partnerships and funds formed by third parties. The primary purpose of the partnerships and funds is to invest in low-income housing units and distribute tax credits and tax benefits associated with the underlying properties to investors. The Company is a limited partner investor and is allocated tax credits and deductions, but has no voting or other rights to direct the activities of the funds or partnerships, and therefore is not considered the primary beneficiary and does not consolidate these investments.

The following table presents the impact of the unconsolidated LIHC investments on our consolidated statements of income for the three months endedMarch 31, 2019 and 2018.

	For the Three Months Ended
	March 31, 2019		March 31, 2018
(Dollars in millions)
Losses from LIHC investments included in other noninterest expense	$	2	$	2
Amortization of LIHC investments included in income tax expense	34		34
Tax credits and other tax benefits from LIHC investments included in income tax expense	45		44

Renewable Energy Investments

Through its subsidiaries, the Company makes equity investments in LLCs established by third party sponsors to operate and manage wind, solar, hydroelectric and cogeneration power plant projects. Power generated by the projects is sold to third parties through long-term purchase power agreements. As a limited investor member, the Company is allocated production tax credits and taxable income or losses associated with the projects. The Company has no voting or other rights to direct the significant activities of the LLCs, and therefore is not considered the primary beneficiary and does not consolidate these investments.

Other Investments

The Company has other investments in structures formed by third parties. The Company has no voting or other rights to direct the activities of the investments that would most significantly impact the entities’ performance, and therefore is not considered the primary beneficiary and does not consolidate these investments.

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Securities Financing Arrangements

3 Months Ended

Mar. 31, 2019

Transfers and Servicing [Abstract]

Securities Financing Arrangements

Securities Financing Arrangements

The Company enters into repurchase agreements and securities lending agreements to facilitate customer match-book activity, cover short positions and fund the Company's trading inventory. The Company manages credit exposure from certain transactions by entering into master netting agreements and collateral arrangements with counterparties. The relevant agreements allow for the efficient closeout of the transaction, liquidation and set-off of collateral against the net amount owed by the counterparty following a default. Under these agreements and transactions, the Company either receives or provides collateral in the form of securities. In many cases, the Company is permitted to sell or repledge these securities held as collateral and use the securities to secure repurchase agreements or enter into securities lending transactions. In certain cases the Company may agree for collateral to be posted to a third party custodian under a tri-party arrangement that enables the Company to take control of such collateral in the event of a counterparty default. Default events generally include, among other things, failure to pay, insolvency or bankruptcy of a counterparty. For additional information related to securities pledged and received as collateral, see Note 2 "Securities" to these Consolidated Financial Statements.

The following tables present the gross obligations for securities sold under agreements to repurchase and securities loaned by remaining contractual maturity and class of collateral pledged at March 31, 2019 and December 31, 2018.

	March 31, 2019
(Dollars in millions)	Overnight and Continuous		Up to 30 Days		31 - 90 Days		Greater than 90 Days		Total
Securities sold under agreements to repurchase:
U.S. Treasury securities	$	9,996	$	3,726	$	1,840	$	834	$	16,396
U.S. government-sponsored agency securities	99		2		41		—		142
Other sovereign government obligations	—		—		3		—		3
Money market securities	—		—		307		—		307
Mortgage-backed securities	5,919		2,510		6,622		600		15,651
Corporate bonds	1,285		43		1,037		—		2,365
State and municipal securities	503		—		48		—		551
Equity securities	307		7		256		—		570
Total	$	18,109	$	6,288	$	10,154	$	1,434	$	35,985
Securities loaned:
Corporate bonds	$	10	$	—	$	—	$	—	$	10
U.S. Treasury securities	151		—		—		—		151
Equity securities	282		251		—		—		533
Total	$	443	$	251	$	—	$	—	$	694

	December 31, 2018
(Dollars in millions)	Overnight and Continuous		Up to 30 Days		31 - 90 Days		Greater than 90 Days		Total
Securities sold under agreements to repurchase:
U.S. Treasury securities	$	9,416	$	2,945	$	2,991	$	335	$	15,687
U.S. government-sponsored agency securities	264		—		55		—		319
Money market securities	—		—		49		—		49
Asset-backed securities	—		—		282		—		282
Mortgage-backed securities	9,803		1,640		7,569		—		19,012
Corporate bonds	682		130		1,227		—		2,039
State and municipal securities	115		245		188		—		548
Equity securities	387		220		255		—		862
Total	$	20,667	$	5,180	$	12,616	$	335	$	38,798
Securities loaned:
Corporate bonds	$	1	$	—	$	—	$	—	$	1
Equity securities	92		—		—		—		92
Total	$	93	$	—	$	—	$	—	$	93

Offsetting Financial Assets and Liabilities

The Company primarily enters into derivative contracts, repurchase agreements and securities lending agreements with counterparties utilizing standard International Swaps and Derivatives Association Master Agreements and Credit Support Annex Agreements, Master Repurchase Agreements, and Master Securities Lending Agreements, respectively. These agreements generally establish the terms and conditions of the transactions, including a legal right to set-off amounts payable and receivable between the Company and a counterparty, regardless of whether or not such amounts have matured or have contingency features.

The following tables present the offsetting of financial assets and liabilities at March 31, 2019 and December 31, 2018.

	March 31, 2019
							Gross Amounts Not Offset in Balance Sheet
(Dollars in millions)	Gross Amounts of Recognized Assets/Liabilities		Gross Amounts Offset in Balance Sheet		Net Amounts Presented in Balance Sheet		Financial Instruments		Cash Collateral Received/Pledged		Net Amount
Financial Assets:
Derivative assets	$	1,025	$	351	$	674	$	17	$	—	$	657
Securities borrowed or purchased under resale agreements	32,114		9,254		22,860		22,769		—		91
Total	$	33,139	$	9,605	$	23,534	$	22,786	$	—	$	748
Financial Liabilities:
Derivative liabilities	$	705	$	323	$	382	$	89	$	1	$	292
Securities loaned or sold under repurchase agreements	36,679		9,254		27,425		26,594		—		831
Total	$	37,384	$	9,577	$	27,807	$	26,683	$	1	$	1,123

	December 31, 2018
							Gross Amounts Not Offset in Balance Sheet
(Dollars in millions)	Gross Amounts of Recognized Assets/Liabilities		Gross Amounts Offset in Balance Sheet		Net Amounts Presented in Balance Sheet		Financial Instruments		Cash Collateral Received/Pledged		Net Amount
Financial Assets:
Derivative assets	$	871	$	354	$	517	$	14	$	—	$	503
Securities borrowed or purchased under resale agreements	33,974		11,606		22,368		22,291		—		77
Total	$	34,845	$	11,960	$	22,885	$	22,305	$	—	$	580
Financial Liabilities:
Derivative liabilities	$	804	$	322	$	482	$	69	$	—	$	413
Securities loaned or sold under repurchase agreements	38,891		11,606		27,285		26,434		—		851
Total	$	39,695	$	11,928	$	27,767	$	26,503	$	—	$	1,264

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Commercial Paper and Other Short-Term Borrowings

3 Months Ended

Mar. 31, 2019

Short-term Debt [Abstract]

Commercial Paper and Other Short-Term Borrowings

Commercial Paper and Other Short-Term Borrowings

The following table is a summary of the Company's commercial paper and other short-term borrowings.

(Dollars in millions)	March 31, 2019		December 31, 2018
Debt issued by MUB
Commercial paper, with a weighted average interest rate of 2.44% and 2.39% at March 31, 2019 and December 31, 2018, respectively	$	898	$	382
Federal Home Loan Bank advances, with a weighted average interest rate of 2.58% and 2.52% at March 31, 2019 and December 31, 2018, respectively	7,100		7,800
Total debt issued by MUB	7,998		8,182
Debt issued by other MUAH subsidiaries
Short-term debt due to MUFG Bank, Ltd., with weighted average interest rates of 3.00% and 3.01% at March 31, 2019 and December 31, 2018, respectively	88		145
Short-term debt due to affiliates, with weighted average interest rates of (-0.09)% and (-0.07)% at March 31, 2019 and December 31, 2018, respectively	757		936
Total debt issued by other MUAH subsidiaries	845		1,081
Total commercial paper and other short-term borrowings	$	8,843	$	9,263

Short-term debt due to MUFG Bank, Ltd. consists of both secured and unsecured fixed and floating rate borrowings.

MUSA maintains an uncommitted, unsecured lending facility with Mitsubishi UFJ Securities Holdings Co., Ltd. under which it may borrow up to JPY 160 billion (USD 1.4 billion equivalent). Under the terms of the facility, MUSA can choose to borrow in Japanese Yen or U.S. Dollars. Japanese Yen denominated borrowings include an extension option allowing MUSA to extend the maturity of an individual draw by 100 days at any time prior to its original, stated maturity. At March 31, 2019, MUSA had JPY 84 billion (USD 757 million equivalent) drawn under this facility.

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Long-Term Debt

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt

Long-term debt consists of borrowings having an original maturity of one year or more. The following is a summary of the Company's long-term debt.

(Dollars in millions)	March 31, 2019		December 31, 2018
Debt issued by MUAH
Senior debt:
Fixed rate 3.50% notes due June 2022	$	398	$	398
Fixed rate 3.00% notes due February 2025	397		397
Senior debt due to MUFG Bank, Ltd:
Floating rate debt due December 2021. This note, which bears interest at 0.81% above 3-month LIBOR, had a rate of 3.40% at March 31, 2019 and 3.58% at December 31, 2018	1,625		1,625
Floating rate debt due December 2022. This note, which bears interest at 0.90% above 3-month LIBOR, had a rate of 3.49% at March 31, 2019 and 3.67% at December 31, 2018	3,250		3,250
Floating rate debt due December 2023. This note, which bears interest at 0.99% above 3-month LIBOR, had a rate of 3.58% at March 31, 2019 and 3.76% at December 31, 2018	1,625		1,625
Floating rate debt due December 2023. This note, which bears interest at 0.76% above 3-month EURIBOR, had a rate of 0.76% at March 31, 2019 and 0.76% at December 31, 2018	24		24
Junior subordinated debt payable to trusts:
Floating rate note due September 2036. This note had an interest rate of 4.31% at March 31, 2019 and 4.49% at December 31, 2018	37		36
Total debt issued by MUAH	7,356		7,355
Debt issued by MUB
Senior debt:
Floating rate debt due March 2022. This note, which bears interest at 0.60% above 3-month LIBOR, had a rate of 3.21% at March 31, 2019	299		—
Fixed rate 2.25% notes due May 2019	499		498
Fixed rate 3.15% notes due April 2022	996		—
Fixed rate FHLB of San Francisco advances due between April 2019 and December 2023. These notes bear a combined weighted average rate of 2.79% at March 31, 2019 and 2.66% at December 31, 2018	7,450		9,100
Other	36		34
Total debt issued by MUB	9,280		9,632
Debt issued by other MUAH subsidiaries
Senior debt due to MUFG Bank, Ltd:
Various floating rate borrowings due between December 2020 and May 2021. These notes, which bear interest above 3-month LIBOR had a weighted average interest rate of 2.60% at March 31, 2019 and 2.80% at December 31, 2018	250		250
Various fixed rate borrowings due between June 2019 and May 2024 with a weighted average interest rate of 1.80% (between 0.14% and 2.44%) at March 31, 2019 and 1.82% (between 0.14% and 2.44%) at December 31, 2018	223		244
Subordinated debt due to Affiliate:
Floating rate borrowings due March 2019. These notes, which bore interest above 6-month LIBOR had an interest rate of 4.13% at December 31, 2018	—		75
Non-recourse debt due to MUFG Bank, Ltd:
Various floating rate non-recourse borrowings due December 2021. These notes, which bear interest above 1- or 3-month LIBOR had a weighted average interest rate of 2.74% at March 31, 2019 and 4.09% (between 2.75% and 4.17%) at December 31, 2018	3		53
Fixed rate non-recourse borrowings due between December 2019 and July 2023 which had an interest rate of 3.04% at March 31, 2019 and 3.05% at December 31, 2018	178		187
Other non-recourse debt:
Various floating rate non-recourse borrowings due between May 2019 and February 2021. These notes, which bear interest above 1- or 3-month LIBOR had a weighted average interest rate of 4.64% (between 4.59% and 4.66%) at March 31, 2019 and 4.21% (between 4.17% and 4.48%) at December 31, 2018	13		89
Fixed rate non-recourse borrowings due December 2026 which had an interest rate of 5.34% at March 31, 2019 and 5.34% at December 31, 2018	32		33
Total debt issued by other MUAH subsidiaries	699		931
Total long-term debt	$	17,335	$	17,918

MUB Senior Debt

In March 2019, MUB issued $300 million of floating rate senior bank notes and $1.0 billion of 3.150% senior bank notes. These notes were issued as part of MUB's $12.0 billion bank note program under which MUB may issue, from time to time, senior unsecured debt obligations. At March 31, 2019, there was $4.6 billion available for issuance under the program. MUB does not have any firm commitments in place to sell notes under this program.

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Fair Value Measurement and Fair Value of Financial Instruments

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Fair Value Measurement and Fair Value of Financial Instruments

Fair Value Measurement and Fair Value of Financial Instruments

Valuation Methodologies

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (i.e., an exit price) in an orderly transaction between willing market participants at the measurement date. The Company has an established and documented process for determining fair value for financial assets and liabilities that are measured at fair value on either a recurring or nonrecurring basis. When available, quoted market prices are used to determine fair value. If quoted market prices are not available, fair value is based upon valuation techniques that use, where possible, current market-based or independently sourced parameters, such as yield curves, foreign exchange rates, credit spreads, commodity prices and implied volatilities. Valuation adjustments may be made to ensure the financial instruments are recorded at fair value. These adjustments include amounts that reflect counterparty credit quality and that consider the Company's own creditworthiness in determining the fair value of its trading assets and liabilities. For additional information related to the valuation methodologies used for certain financial assets and financial liabilities measured at fair value, and information about the Company's valuation processes, see Note 11 "Fair Value Measurement and Fair Value of Financial Instruments" to our Consolidated Financial Statements in Part II, Item 8. “Financial Statements and Supplementary Data” in our 2018 Form 10-K.

Fair Value Hierarchy

In determining fair value, the Company maximizes the use of observable market inputs and minimizes the use of unobservable inputs. Observable inputs reflect market-derived or market-based information obtained from independent sources, while unobservable inputs reflect the Company’s estimate about market data. Based on the observability of the significant inputs used, the Company classifies its fair value measurements in accordance with the three-level hierarchy as defined by GAAP. This hierarchy is based on the quality, observability and reliability of the information used to determine fair value. The Company’s policy is to recognize transfers in and out of Level 1, 2 and 3 as of the end of a reporting period. For additional information related to the fair value hierarchy, see Note 11 "Fair Value Measurement and Fair Value of Financial Instruments" to our Consolidated Financial Statements in Part II, Item 8. “Financial Statements and Supplementary Data” in our 2018 Form 10-K.

Fair Value Measurements on a Recurring Basis

The following tables present financial assets and financial liabilities measured at fair value on a recurring basis at March 31, 2019 and December 31, 2018, by major category and by valuation hierarchy level.

	March 31, 2019
(Dollars in millions)	Level 1			Level 2			Level 3			Netting Adjustment(1)			Fair Value
Assets
Trading account assets:
U.S. Treasury securities	$	—		$	3,606		$	—		$	—		$	3,606
U.S. government-sponsored agency securities	—			37			—			—			37
State and municipal securities	—			13			—			—			13
Commercial paper	—			303			—			—			303
Corporate bonds	—			1,691			—			—			1,691
Asset-backed securities	—			230			—			—			230
Mortgage-backed securities	—			4,277			—			—			4,277
Equities	67			—			—			—			67
Interest rate derivative contracts	8			705			—			(127		)	586
Commodity derivative contracts	—			18			—			(15		)	3
Foreign exchange derivative contracts	1			250			—			(177		)	74
Equity derivative contracts	—			—			12			(11		)	1
Other derivative contracts	—			1			—			—			1
Total trading account assets	76			11,131			12			(330		)	10,889
Securities available for sale:
Asset Liability Management securities:
U.S. Treasury	—			3,486			—			—			3,486
U.S. government-sponsored agencies	—			1			—			—			1
Residential mortgage-backed securities:
U.S government and government-sponsored agencies	—			9,087			—			—			9,087
Privately issued	—			932			—			—			932
Privately issued - commercial mortgage-backed securities	—			1,453			—			—			1,453
Collateralized loan obligations	—			1,538			—			—			1,538
Other	—			4			—			—			4
Other debt securities:
Direct bank purchase bonds	—			—			1,124			—			1,124
Other	9			29			144			—			182
Total securities available for sale	9			16,530			1,268			—			17,807
Other assets:
Mortgage servicing rights	—			—			263			—			263
Loans held for sale	—			—			121			—			121
Interest rate hedging contracts	—			20			—			(17		)	3
Other derivative contracts	—			8			2			(4		)	6
Equity securities	10			—			—			—			10
Total other assets	10			28			386			(21		)	403
Total assets	$	95		$	27,689		$	1,666		$	(351	)	$	29,099
Percentage of total	—		%	95		%	6		%	(1		)%	100		%
Percentage of total Company assets	—		%	16		%	1		%	—		%	17		%
Liabilities
Trading account liabilities:
Securities sold, not yet purchased:
U.S. Treasury	$	—		$	2,800		$	—		$	—		$	2,800
Corporate bonds	—			643			—			—			643
Equities	74			—			—			—			74
Trading derivatives:
Interest rate derivative contracts	33			484			—			(284		)	233
Commodity derivative contracts	—			13			—			(7		)	6
Foreign exchange derivative contracts	—			157			—			(30		)	127
Equity derivative contracts	—			—			12			—			12
Other derivative contracts	—			1			—			—			1
Total trading account liabilities	107			4,098			12			(321		)	3,896
Other liabilities:
FDIC clawback liability	—			—			117			—			117
Other derivative contracts	—			3			2			(2		)	3
Total other liabilities	—			3			119			(2		)	120
Total liabilities	$	107		$	4,101		$	131		$	(323	)	$	4,016
Percentage of total	3		%	102		%	3		%	(8		)%	100		%
Percentage of total Company liabilities	—		%	3		%	—		%	—		%	3		%

(1) Amounts represent the impact of legally enforceable master netting agreements between the same counterparties that allow the Company to net settle all contracts.

	December 31, 2018
(Dollars in millions)	Level 1			Level 2			Level 3			Netting Adjustment(1)			Fair Value
Assets
Trading account assets:
U.S. Treasury securities	$	—		$	2,998		$	—		$	—		$	2,998
U.S. government-sponsored agency securities	—			73			—			—			73
State and municipal securities	—			10			—			—			10
Commercial paper	—			51			—			—			51
Other sovereign government obligations	—			—			—			—			—
Corporate bonds	—			1,367			—			—			1,367
Asset-backed securities	—			299			—			—			299
Mortgage-backed securities	—			5,785			—			—			5,785
Equities	127			—			—			—			127
Interest rate derivative contracts	9			522			—			(130		)	401
Commodity derivative contracts	—			25			—			(24		)	1
Foreign exchange derivative contracts	1			259			—			(170		)	90
Equity derivative contracts	9			—			13			(11		)	11
Total trading account assets	146			11,389			13			(335		)	11,213
Securities available for sale:
Asset Liability Management securities:
U.S. Treasury	—			3,429			—			—			3,429
Residential mortgage-backed securities:
U.S government and government-sponsored agencies	—			8,007			—			—			8,007
Privately issued	—			864			—			—			864
Privately issued - commercial mortgage-backed securities	—			1,162			—			—			1,162
Collateralized loan obligations	—			1,474			—			—			1,474
Other	—			4			—			—			4
Other debt securities:
Direct bank purchase bonds	—			—			1,190			—			1,190
Other	—			43			141			—			184
Total securities available for sale	—			14,983			1,331			—			16,314
Other assets:
Mortgage servicing rights	—			—			159			—			159
Loans held for sale	—			—			117			—			117
Interest rate hedging contracts	—			6			—			(3		)	3
Other derivative contracts	—			26			1			(16		)	11
Equity securities(2)	9			—			—			—			9
Total other assets	9			32			277			(19		)	299
Total assets	$	155		$	26,404		$	1,621		$	(354	)	$	27,826
Percentage of total	1		%	95		%	6		%	(2		)%	100		%
Percentage of total Company assets	—		%	16		%	1		%	—		%	17		%
Liabilities
Trading account liabilities:
Securities sold, not yet purchased:
U.S. Treasury	$	—		$	2,753		$	—		$	—		$	2,753
Commercial paper	—			10			—			—			10
Corporate bonds	—			717			—			—			717
Equities	70			—			—			—			70
Trading derivatives:
Interest rate derivative contracts	55			545			—			(262		)	338
Commodity derivative contracts	—			18			—			(4		)	14
Foreign exchange derivative contracts	—			168			—			(56		)	112
Equity derivative contracts	—			—			13			—			13
Total trading account liabilities	125			4,211			13			(322		)	4,027
Other liabilities:
FDIC clawback liability	—			—			116			—			116
Other derivative contracts	—			3			2			—			5
Total other liabilities	—			3			118			—			121
Total liabilities	$	125		$	4,214		$	131		$	(322	)	$	4,148
Percentage of total	3		%	102		%	3		%	(8		)%	100		%
Percentage of total Company liabilities	—		%	3		%	—		%	—		%	3		%

(1) Amounts represent the impact of legally enforceable master netting agreements between the same counterparties that allow the Company to net settle all contracts.

The following tables present a reconciliation of the assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three months ended March 31, 2019 and 2018. Level 3 securities available for sale at March 31, 2019 and 2018 primarily consist of direct bank purchase bonds.

	For the Three Months Ended
	March 31, 2019															March 31, 2018
(Dollars in millions)	Trading Account Assets			Securities Available for Sale			Other Assets			Trading Account Liabilities			Other Liabilities			Trading Account Assets			Securities Available for Sale			Other Assets		Trading Account Liabilities			Other Liabilities
Asset (liability) balance, beginning of period	$	13		$	1,331		$	277		$	(13	)	$	(118	)	$	139		$	1,600		$	65	$	(138	)	$	(119	)
Total gains (losses) - realized/unrealized):
Included in income before taxes	2			—			(31		)	(2		)	(1		)	(10		)	—			7		10			—
Included in other comprehensive income	—			11			—			—			—			—			(16		)	—		—			—
Purchases/additions	—			2			140			—			—			—			72			34		—			—
Settlements	(3		)	(76		)	—			3			—			(74		)	(150		)	—		74			—
Asset (liability) balance, end of period	$	12		$	1,268		$	386		$	(12	)	$	(119	)	$	55		$	1,506		$	106	$	(54	)	$	(119	)
Changes in unrealized gains (losses) included in income before taxes for assets and liabilities still held at end of period	$	2		$	—		$	(31	)	$	(2	)	$	(1	)	$	(10	)	$	—		$	7	$	10		$	—

The following table presents information about significant unobservable inputs related to the Company’s significant Level 3 assets and liabilities at March 31, 2019.

	March 31, 2019
(Dollars in millions)	Level 3 Fair Value		Valuation Technique	Significant Unobservable Input(s)	Range of Inputs		Weighted Average
Securities available for sale:
Direct bank purchase bonds	$	1,124	Return on equity	Market-required return on capital	8.0 - 10.0	%	9.5	%
				Probability of default	0.0 - 25.0		0.3
				Loss severity	10.0 - 60.0		22.2

The direct bank purchase bonds generally use a return on equity valuation technique. This technique uses significant unobservable inputs such as market-required return on capital, probability of default and loss severity. Increases (decreases) in any of these inputs in isolation would result in a lower (higher) fair value measurement.

Fair Value Measurement on a Nonrecurring Basis

Certain assets may be measured at fair value on a nonrecurring basis. These assets are subject to fair value adjustments that result from the application of the lower of cost or fair value accounting or write-downs of individual assets. For assets measured at fair value on a nonrecurring basis during the three months ended March 31, 2019 and 2018 that were still held on the consolidated balance sheet as of the respective periods ended, the following tables present the fair value of such assets by the level of valuation assumptions used to determine each fair value adjustment.

	March 31, 2019								For the Three Months Ended March 31, 2019
(Dollars in millions)	Fair Value		Level 1		Level 2		Level 3		Gains (Losses)
Loans held for investment
Impaired loans	$	346	$	—	$	—	$	346	$	(15	)
Other assets
Software	—		—		—		—		(2		)
Premises and equipment, net	—		—		—		—		(1		)
Renewable energy investment	7		—		—		7		(1		)
Other	—		—		—		—		(1		)
Total	$	353	$	—	$	—	$	353	$	(20	)

	March 31, 2018								For the Three Months Ended March 31, 2018
(Dollars in millions)	Fair Value		Level 1		Level 2		Level 3		Gains (Losses)
Loans held for investment
Impaired loans	$	69	$	—	$	—	$	69	$	(1	)
Other assets
Software	—		—		—		—		(2		)
Private equity investments	12		—		—		12		(2		)
Total	$	81	$	—	$	—	$	81	$	(5	)

Fair Value of Financial Instruments Disclosures

The tables below present the carrying amount and estimated fair value of certain financial instruments, all of which are accounted for at amortized cost, classified by valuation hierarchy level at March 31, 2019 and December 31, 2018.

	March 31, 2019
(Dollars in millions)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	8,919	$	8,919	$	8,919	$	—	$	—
Securities borrowed or purchased under resale agreements	22,860		22,863		—		22,863		—
Securities held to maturity	10,409		10,331		—		10,331		—
Loans held for investment(1)	85,766		86,149		—		—		86,149
Other assets	50		50		50		—		—
Liabilities
Time deposits	$	14,501	$	14,502	$	—	$	14,502	$	—
Securities loaned or sold under repurchase agreements	27,425		27,422		—		27,422		—
Commercial paper and other short-term borrowings	8,843		8,843		—		8,843		—
Long-term debt	17,335		17,448		—		17,448		—
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit	$	98	$	244	$	—	$	—	$	244

(1) Excludes lease financing. The carrying amount is net of the allowance for loan losses.

	December 31, 2018
(Dollars in millions)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	8,350	$	8,350	$	8,350	$	—	$	—
Securities borrowed or purchased under resale agreements	22,368		22,368		—		22,368		—
Securities held to maturity	10,901		10,720		—		10,720		—
Loans held for investment(1)	84,805		84,729		—		—		84,729
Other assets	48		48		48		—		—
Liabilities
Time deposits	$	11,739	$	11,714	$	—	$	11,714	$	—
Securities loaned or sold under repurchase agreements	27,285		27,285		—		27,285		—
Commercial paper and other short-term borrowings	9,263		9,263		—		9,263		—
Long-term debt	17,918		17,961		—		17,961		—
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit	$	120	$	242	$	—	$	—	$	242

(1) Excludes lease financing. The carrying amount is net of the allowance for loan losses.

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Derivative Instruments and Other Financial Instruments Used For Hedging

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Other Financial Instruments Used For Hedging

Derivative Instruments and Other Financial Instruments Used For Hedging

The Company enters into certain derivative and other financial instruments primarily to assist customers with their risk management objectives and to manage the Company’s exposure to interest rate risk. When entering into derivatives on behalf of customers, the Company generally acts as a financial intermediary by offsetting a significant portion of the market risk for these derivatives with third parties. The Company may also enter into derivatives for other risk management purposes. All derivative instruments are recognized as assets or liabilities on the consolidated balance sheets at fair value.

Counterparty credit risk is inherent in derivative instruments. In order to reduce its exposure to counterparty credit risk, the Company utilizes credit approvals, limits, monitoring procedures and master netting and credit support annex agreements. Additionally, the Company considers counterparty credit quality and the creditworthiness of the Company in estimating the fair value of derivative instruments.

The table below presents the notional amounts and fair value amounts of the Company's derivative instruments reported on the consolidated balance sheets, segregated between derivative instruments designated and qualifying as hedging instruments and derivative instruments not designated as hedging instruments at March 31, 2019 and December 31, 2018. Asset and liability values are presented gross, excluding the impact of legally enforceable master netting and credit support annex agreements. The fair value of asset and liability derivatives designated and qualifying as hedging instruments and derivatives designated as other risk management are included in other assets and other liabilities, respectively. The fair value of asset and liability trading derivatives are included in trading account assets and trading account liabilities, respectively.

	March 31, 2019						December 31, 2018
			Fair Value						Fair Value
(Dollars in millions)	Notional Amount		Asset Derivatives		Liability Derivatives		Notional Amount		Asset Derivatives		Liability Derivatives
Derivative instruments
Cash flow hedges:
Interest rate contracts	$	4,116	$	20	$	—	$	674	$	6	$	—
Not designated as hedging instruments:
Trading:
Interest rate contracts	297,213		713		517		189,478		531		600
Commodity contracts	273		18		13		336		25		18
Foreign exchange contracts	8,801		251		157		8,475		260		168
Equity contracts	284		12		12		300		22		13
Other contracts	120		1		1		127		—		—
Total Trading	306,691		995		700		198,716		838		799
Other risk management	2,104		10		5		1,704		27		5
Total derivative instruments	$	312,911	$	1,025	$	705	$	201,094	$	871	$	804

We recognized net losses of $9 million on other risk management derivatives for the three months ended March 31, 2019 and net gains of $51 million for the three months ended March 31, 2018, which are included in other noninterest income.

Derivatives Designated and Qualifying as Hedging Instruments

The Company uses interest rate derivatives to manage the financial impact on the Company from changes in market interest rates. These instruments are used to manage interest rate risk relating to specified groups of assets and liabilities, primarily LIBOR-based commercial loans and debt issuances. Derivatives that qualify for hedge accounting are designated as either fair value or cash flow hedges.

Cash Flow Hedges

From time to time, the Company uses interest rate derivatives to hedge the risk of changes in cash flows attributable to changes in the designated interest rate on LIBOR indexed loans, and to a lesser extent, to hedge interest rate risk on rollover debt.

The Company used interest rate derivatives with an aggregate notional amount of $4 billion at March 31, 2019 to hedge the risk of changes in cash flows attributable to changes in the designated interest rates from variable rate loans. The Company used interest rate derivatives with an aggregate notional amount of $116 million at March 31, 2019 to hedge the risk of changes in cash flows attributable to changes in the designated interest rate on LIBOR indexed short-term borrowings. At March 31, 2019, the weighted average remaining life of the active cash flow hedges was 2.8 years.

For cash flow hedges, changes in the fair value of the hedging instruments is reported as a component of other comprehensive income and reclassified into earnings in the same period or periods during which the hedged cash flows are recognized in net interest income. At March 31, 2019, the Company expects to reclassify approximately $93 million of losses from AOCI as a reduction to net interest income during the twelve months ending March 31, 2020. This amount could differ from amounts actually realized due to changes in interest rates, hedge terminations and the addition of other hedges subsequent to March 31, 2019.

The following table presents the amount and location of the net gains and losses recorded in the Company’s consolidated statements of income and changes in stockholders' equity for derivative instruments designated as cash flow hedges for the three months ended March 31, 2019 and 2018.

	Gains (Losses) Recognized in OCI						Gains (Losses) Reclassified from AOCI into Income						Gains (Losses) Recognized in Income (Ineffective Portion)
	For the Three Months Ended March 31,						For the Three Months Ended March 31,						For the Three Months Ended March 31,
(Dollars in millions)	2019		2018			Location	2019			2018		Location	2018
Derivatives in cash flow hedging relationships
						Interest income	$	(19	)	$	—
Interest rate contracts	$	14	$	(79	)	Interest expense	—			—		Noninterest expense	$	—
Total	$	14	$	(79	)		$	(19	)	$	—		$	—

Fair Value Hedges

The Company engaged in an interest rate hedging strategy in which one or more interest rate derivatives were associated with a specified interest bearing liability, in order to convert the liability from a fixed rate to a floating rate instrument. This strategy mitigated the changes in fair value of the hedged liability caused by changes in the designated interest rate, LIBOR.

Prior to 2019, for fair value hedges, any ineffectiveness was recognized in noninterest expense in the period in which it arose. The change in the fair value of the hedged item and the hedging instrument, to the extent completely effective, offset with no impact on earnings.

The following table presents gains (losses) on the Company's fair value hedges and hedged item for the three months ended March 31, 2018.

	For the Three Months Ended March 31, 2018
(Dollars in millions)	Derivative			Hedged Item		Hedge Ineffectiveness
Interest rate risk on long-term debt	$	(2	)	$	2	$	—
Total	$	(2	)	$	2	$	—

Derivatives Not Designated as Hedging Instruments

Trading Derivatives

Derivative instruments classified as trading are primarily derivatives entered into as an accommodation for customers. Trading derivatives are included in trading assets or trading liabilities with changes in fair value reflected in income from trading account activities. The majority of the Company's derivative transactions for customers were essentially offset by contracts with third parties that reduce or eliminate market risk exposures.

The following table presents the amount of the net gains and losses for derivative instruments classified as trading reported in the consolidated statements of income under the heading trading account activities for the three months ended March 31, 2019 and 2018.

	Gains (Losses) Recognized in Income on Trading Derivatives
	For the Three Months Ended
(Dollars in millions)	March 31, 2019			March 31, 2018
Trading derivatives
Interest rate contracts	$	(35	)	$	113
Equity contracts	4			17
Foreign exchange contracts	11			9
Total	$	(20	)	$	139

Offsetting Financial Assets and Liabilities

The Company primarily enters into derivative contracts with counterparties utilizing standard International Swaps and Derivatives Association Master Agreements and Credit Support Annex Agreements. These agreements generally establish the terms and conditions of the transactions, including a legal right to set-off amounts payable and receivable between the Company and a counterparty, regardless of whether or not such amounts have matured or have contingency features. For additional information related to offsetting of financial assets and liabilities, see Note 5 "Securities Financing Arrangements" to these Consolidated Financial Statements.

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Accumulated Other Comprehensive Income

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Accumulated Other Comprehensive Income

Accumulated Other Comprehensive Income

The following tables present the change in each of the components of accumulated other comprehensive income and the related tax effect of the change allocated to each component for the three months endedMarch 31, 2019 and 2018.

(Dollars in millions)	Before Tax Amount			Tax Effect			Net of Tax
For the Three Months Ended March 31, 2019
Cash flow hedge activities:
Unrealized net gains (losses) on hedges arising during the period	$	14		$	(4	)	$	10
Reclassification adjustment for net (gains) losses on hedges included in interest income for loans and interest expense on long-term debt	19			(5		)	14
Net change	33			(9		)	24
Securities:
Unrealized holding gains (losses) arising during the period on securities available for sale	200			(52		)	148
Reclassification adjustment for net (gains) losses on securities available for sale included in securities gains, net	(1		)	—			(1		)
Amortization of net unrealized (gains) losses on held to maturity securities	7			(2		)	5
Net change	206			(54		)	152
Foreign currency translation adjustment	—			—			—
Pension and other benefits:
Amortization of prior service credit(1)	(10		)	3			(7		)
Recognized net actuarial (gain) loss(1)	18			(5		)	13
Net change	8			(2		)	6
Other	2			(1		)	1
Net change in AOCI	$	249		$	(66	)	$	183

(1) These amounts are included in the computation of net periodic pension cost. For additional information, see Note 11 "Employee Pension and Other Postretirement Benefits" to these Consolidated Financial Statements.

(Dollars in millions)	Before Tax Amount			Tax Effect			Net of Tax
For the Three Months Ended March 31, 2018
Cash flow hedge activities:
Unrealized net gains (losses) on hedges arising during the period	$	(79	)	$	21		$	(58	)
Reclassification adjustment for net (gains) losses on hedges included in interest income for loans and interest expense on long-term debt	—			—			—
Net change	(79		)	21			(58		)
Securities:
Unrealized holding gains (losses) arising during the period on securities available for sale	(262		)	69			(193		)
Reclassification adjustment for net (gains) losses on securities available for sale included in securities gains, net	—			—			—
Less: accretion of fair value adjustment on securities available for sale	—			—			—
Amortization of net unrealized (gains) losses on held to maturity securities	4			(1		)	3
Net change	(258		)	68			(190		)
Foreign currency translation adjustment	(3		)	1			(2		)
Pension and other benefits:
Amortization of prior service credit (1)	(10		)	2			(8		)
Recognized net actuarial (gain) loss(1)	24			(6		)	18
Net change	14			(4		)	10
Other	(1		)	—			(1		)
Net change in AOCI	$	(327	)	$	86		$	(241	)

(1) These amounts are included in the computation of net periodic pension cost. For additional information, see Note 11 "Employee Pension and Other Postretirement Benefits" to these Consolidated Financial Statements.

The following tables present the change in accumulated other comprehensive loss balances.

For the Three Months Ended March 31, 2018 and 2019:
	Net Unrealized Gains (Losses) on Cash Flow Hedges			Net Unrealized Gains (Losses) on Securities			Foreign Currency Translation Adjustment			Pension and Other Postretirement Benefits Adjustment			Other			Accumulated Other Comprehensive Income (Loss)
(Dollars in millions)
Balance, December 31, 2017	$	(174	)	$	(233	)	$	(19	)	$	(600	)	$	—		$	(1,026	)
Other comprehensive income (loss) before reclassifications	(58		)	(193		)	(2		)	—			(1		)	(254		)
Amounts reclassified from AOCI	—			3			—			10			—			13
Transfer to additional paid-in capital(1)	—			—			21			—			—			21
Balance, March 31, 2018	$	(232	)	$	(423	)	$	—		$	(590	)	$	(1	)	$	(1,246	)
Balance, December 31, 2018	$	(220	)	$	(373	)	$	—		$	(730	)	$	(1	)	$	(1,324	)
Other comprehensive income (loss) before reclassifications	10			148			—			—			1			159
Amounts reclassified from AOCI	14			4			—			6			—			24
Balance, March 31, 2019	$	(196	)	$	(221	)	$	—		$	(724	)	$	—		$	(1,141	)

(1) Transfer of accumulated foreign currency translation to additional paid-in capital resulted from the transfer of the Company's investment in a Canadian entity to MUFG Bank, Ltd. during the first quarter of 2018.

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Employee Pension and Other Postretirement Benefits

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Employee Pension and Other Postretirement Benefits

Employee Pension and Other Postretirement Benefits

The following tables summarize the components of net periodic benefit cost for the three months ended March 31, 2019 and 2018. The components of net periodic benefit cost other than the service cost component are included in other noninterest expense in the income statement.

	Pension Benefits						Other Postretirement Benefits						Superannuation, SERP and ESBP
	For the Three Months Ended March 31,						For the Three Months Ended March 31,						For the Three Months Ended March 31,
(Dollars in millions)	2019			2018			2019			2018			2019		2018
Components of net periodic benefit cost:
Service cost	$	19		$	19		$	1		$	1		$	—	$	—
Interest cost	29			25			2			2			1		1
Expected return on plan assets	(64		)	(67		)	(4		)	(5		)	—		—
Amortization of prior service credit	(6		)	(6		)	(4		)	(4		)	—		—
Recognized net actuarial loss	15			22			2			1			1		1
Total net periodic benefit (income) cost	$	(7	)	$	(7	)	$	(3	)	$	(5	)	$	2	$	2

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Commitments, Contingencies and Guarantees

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Commitments, Contingencies and Guarantees

Commitments, Contingencies and Guarantees

The following table summarizes the Company's commitments.

(Dollars in millions)	March 31, 2019
Commitments to extend credit	$	33,932
Issued standby and commercial letters of credit	4,685
Commitments to enter into forward-starting resale agreements	20
Other commitments	513

Commitments to extend credit are legally binding agreements to lend to a customer provided there are no violations of any condition established in the contract. Commitments have fixed expiration dates or other termination clauses and may require maintenance of compensatory balances. Since many of the commitments to extend credit may expire without being drawn upon, the total commitment amounts do not necessarily represent future cash flow requirements.

Standby and commercial letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. Standby letters of credit are generally contingent upon the failure of the customer to perform according to the terms of the underlying contract with the third party, while commercial letters of credit are issued specifically to facilitate foreign or domestic trade transactions. The majority of these types of commitments have terms of 1 year or less. As of March 31, 2019, the carrying amount of the Company's standby and commercial letters of credit totaled $3 million. Estimated exposure to loss related to these commitments is covered by the allowance for losses on unfunded commitments. The carrying amounts of the standby and commercial letters of credit and the allowance for losses on unfunded credit commitments are included in other liabilities on the consolidated balance sheet.

The credit risk involved in issuing loan commitments and standby and commercial letters of credit is essentially the same as that involved in extending loans to customers and is represented by the contractual amount of these instruments. Collateral may be obtained based on management's credit assessment of the customer.

Other commitments include collateralized financing activities, commitments to fund principal investments, other securities, and residual value guarantees.

Principal investments include direct investments in private and public companies. The Company issues commitments to provide equity and mezzanine capital financing to private and public companies through direct investments. The timing of future cash requirements to fund such commitments is generally dependent on the investment cycle. This cycle, the period over which privately held companies are funded by private equity investors and ultimately sold, merged, or taken public through an initial offering, can vary based on overall market conditions as well as the nature and type of industry in which the companies operate.

The Company occasionally enters into financial guarantee contracts where a premium is received from another financial institution counterparty to guarantee a portion of the credit risk on interest rate swap contracts entered into between the financial institution and its customer. The Company becomes liable to pay the financial institution only if the financial institution is unable to collect amounts owed to them by their customer. As of March 31, 2019, the current exposure to loss under these contracts totaled $14 million, and the maximum potential exposure to loss in the future was estimated at $37 million.

The Company is subject to various pending and threatened legal actions that arise in the normal course of business. The Company maintains liabilities for losses from legal actions that are recorded when they are determined to be both probable in their occurrence and can be reasonably estimated. Management believes the disposition of all claims currently pending, including potential losses from claims that may exceed the liabilities recorded, and claims for loss contingencies that are considered reasonably possible to occur, will not have a material effect, either individually or in the aggregate, on the Company's consolidated financial condition, results of operations or liquidity.

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Business Segments

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Business Segments

Business Segments

The Company has four reportable segments: Regional Bank, U.S. Wholesale & Investment Banking, Transaction Banking, and MUSA. The Company uses various management accounting methodologies to measure the performance of its segments. Unlike GAAP, there is no standardized or authoritative guidance for management accounting. Consequently, reported results are not necessarily comparable with those presented by other companies and they are not necessarily indicative of the results that would be reported by the business units if they were separate economic entities.

Methodologies that are applied to the measurement of segment profitability, which are enhanced from time to time, include a funds transfer pricing system, an activity-based costing methodology, other indirect costs and a methodology to allocate the provision for credit losses. In the second quarter of 2018, the Company began measuring the performance of its business segments by reporting revenues and expenses from products and services sold entirely within the business segment that manages the customer relationship. The Company previously applied a “market view” perspective in measuring the business segments, which reported revenues and expenses from products and services sold in both the business segment that provided the product and the business segment that managed the customer relationship. Prior period results have been revised to conform to the current period presentation.

The funds transfer pricing system assigns a cost of funds or a credit for funds to assets or liabilities based on their type, maturity or repricing characteristics. A segment receives a credit from Corporate Treasury for its funding sources. Conversely, a segment is assigned a charge by Corporate Treasury to fund its assets. Certain indirect costs, such as operations and technology expense, are allocated to the segments based on an activity-based costing methodology. Other indirect costs, such as corporate overhead, are allocated to the segments based on internal surveys and metrics that serve as proxies for estimated usage. During the normal course of business, the Company occasionally changes or updates its management accounting methodologies or organizational structure. Certain non-bank subsidiaries, including MUSA, are reported based on their GAAP results.

Regional Bank

The Regional Bank provides banking products and services to individual and business customers in California, Washington, and Oregon through five major business lines.

Consumer Banking serves consumers and small businesses through 342 full-service branches, digital channels, call centers, ATMs and alliances with other financial institutions. Products and services include checking and other deposit accounts; residential mortgage loans; consumer loans; home equity lines of credit; credit cards; bill and loan payment services; and merchant services.

Commercial Banking provides commercial and asset-based loans to clients across a wide range of industries with annual revenues up to $2 billion. By working with the Company's other segments, Commercial Banking clients also have access to global treasury management and capital markets solutions and foreign exchange, interest rate, and commodity risk management products.

Real Estate Industries serves professional real estate investors and developers with products such as construction loans, commercial mortgages, bridge financing and unsecured financing. Property types supported include apartment, office, retail, industrial and single-family residential on the West Coast and in select metropolitan areas across the country. Real Estate Industries also makes tax credit investments in affordable housing projects through its Community Development Finance unit referenced as LIHC investments. By working with the Company's other segments, Real Estate Industries also offers its global treasury management and capital markets solutions and foreign exchange, interest rate, and commodity risk management products.

Wealth Markets serves corporate, institutional, non-profit and individual clients. Capabilities include Wealth Planning / Trust & Estate Services; Investment Management through HighMark Capital Management, Inc., an SEC-registered investment advisory firm wholly-owned by the Bank; Brokerage services through UnionBanc Investment Services, LLC, an SEC-registered broker-dealer/investment advisory firm wholly-owned by the Bank; and Private Wealth Management.

PurePoint Financial serves consumers through a national online direct bank deposit platform offering savings accounts and CD products with services provided through a call center and a network of financial centers in New York, Florida, Illinois and Texas.

U.S. Wholesale & Investment Banking

U.S. Wholesale & Investment Banking delivers the full suite of MUAH products and services to large and mid-corporate customers. The segment employs an industry-focused strategy including dedicated coverage teams in General Industries, Power and Utilities, Oil and Gas, Telecom and Media, Technology, Healthcare and Nonprofit, Public Finance, and Financial Institutions (predominantly Insurance and Asset Managers). U.S. Wholesale & Investment Banking provides customers general corporate credit and structured credit services, including project finance, leasing and equipment finance, funds finance and asset-based finance. By working with the Company's other segments, U.S. Wholesale & Investment Banking offers its customers a range of noncredit services, which include global treasury management, capital market solutions, and various foreign exchange, interest rate risk and commodity risk management products.

Transaction Banking

Transaction Banking works alongside the Company's other segments to provide working capital management and asset servicing solutions, including deposits and treasury management, trade finance, and institutional trust and custody, to the Company's customers. The client base consists of financial institutions, corporations, government agencies, insurance companies, mutual funds, investment managers and non-profit organizations.

MUFG Securities Americas

MUSA is MUAH's broker-dealer subsidiary which engages in capital markets origination transactions, private placements, collateralized financings, securities borrowing and lending transactions, and domestic and foreign debt and equity securities transactions.

Other

"Other" includes the MUFG Fund Services segment, Markets segment, Japanese Corporate Banking segment and Corporate Treasury. MUFG Fund Services provides comprehensive investment fund administrative solutions. Markets provides risk management solutions, including foreign exchange, interest rate and energy risk management solutions. The Japanese Corporate Banking segment offers a range of credit, deposit, and investment management products and services to companies located primarily in the U.S. that are affiliated with companies headquartered in Japan. Corporate Treasury is responsible for ALM, wholesale funding and the ALM investment and derivatives hedging portfolios. These treasury management activities are carried out to manage the net interest rate and liquidity risks of the Company's balance sheet and to manage those risks within the guidelines established by ALCO. For additional information regarding these risk management activities, see “Market Risk Management” in Part II, Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2018 Form 10-K.

Additionally, "Other" is comprised of certain corporate activities of the Company; the net impact of funds transfer pricing charges and credits allocated to the reportable segments; the residual costs of support groups; fees from affiliates and noninterest expenses associated with MUFG Bank, Ltd. U.S. branch banking operations; the unallocated allowance; goodwill, intangible assets, and the related amortization/accretion associated with the Company's privatization transaction when we became a privately held company in 2008; the elimination of the fully taxable-equivalent basis amount; the difference between the marginal tax rate and the consolidated effective tax rate; and FDIC covered assets.

As of and for the Three Months Ended March 31, 2019:
(Dollars in millions)	Regional Bank		U.S. Wholesale & Investment Banking			Transaction Banking			MUSA		Other			MUFG Americas Holdings Corporation
Results of operations
Net interest income	$	571	$	100		$	68		$	35	$	9		$	783
Noninterest income	129		88			15			93		307			632
Total revenue	700		188			83			128		316			1,415
Noninterest expense	539		111			73			123		324			1,170
(Reversal of) provision for loan losses	47		(6		)	(1		)	—		(2		)	38
Income (loss) before income taxes and including noncontrolling interests	114		83			11			5		(6		)	207
Income tax expense (benefit) (1)	25		13			3			—		(13		)	28
Net income (loss) including noncontrolling interests	89		70			8			5		7			179
Deduct: net loss from noncontrolling interests	—		—			—			—		5			5
Net income attributable to MUAH	$	89	$	70		$	8		$	5	$	12		$	184
Total assets, end of period	$	74,396	$	20,719		$	797		$	33,930	$	40,865		$	170,707

(1) Income tax expense (benefit) includes certain management accounting classification adjustments.

As of and for the Three Months Ended March 31, 2018:
(Dollars in millions)	Regional Bank		U.S. Wholesale & Investment Banking			Transaction Banking			MUSA		Other			MUFG Americas Holdings Corporation
Results of operations
Net interest income	$	526	$	102		$	64		$	54	$	79		$	825
Noninterest income	111		81			14			88		88			382
Total revenue	637		183			78			142		167			1,207
Noninterest expense	502		102			57			116		307			1,084
(Reversal of) provision for loan losses	12		(18		)	(1		)	—		5			(2		)
Income (loss) before income taxes and including noncontrolling interests	123		99			22			26		(145		)	125
Income tax expense (benefit) (1)	25		138			6			6		(217		)	(42		)
Net income (loss) including noncontrolling interests	98		(39		)	16			20		72			167
Deduct: net (income) loss from noncontrolling interests	—		—			—			—		(1		)	(1		)
Net income (loss) attributable to MUAH	$	98	$	(39	)	$	16		$	20	$	71		$	166
Total assets, end of period	$	68,940	$	20,032		$	933		$	32,661	$	34,744		$	157,310

(1) Income tax expense (benefit) includes certain management accounting classification adjustments.

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Summary of Significant Accounting Policies and Nature of Operations (Policies)

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Basis of Presentation

The unaudited Consolidated Financial Statements of MUFG Americas Holdings Corporation, its subsidiaries, and its consolidated variable interest entities (the Company) have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial reporting and the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the Rules and Regulations of the SEC. However, they do not include all of the disclosures necessary for annual financial statements. In the opinion of management, all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation have been included.

Use of Estimates

The preparation of financial statements in conformity with GAAP also requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expense during the reporting period. Although such estimates contemplate current conditions and management’s expectations of how they may change in the future, it is reasonably possible that actual results could differ significantly from those estimates. This could materially affect the Company’s results of operations and financial condition in the near term. Critical estimates made by management in the preparation of the Company’s financial statements include, but are not limited to, the allowance for credit losses (Note 3 "Loans and Allowance for Loan Losses"), goodwill impairment, fair value of financial instruments (Note 8 "Fair Value Measurement and Fair Value of Financial Instruments"), pension accounting (Note 11 "Employee Pension and Other Postretirement Benefits"), income taxes, and transfer pricing.

Recently Issued Accounting Pronouncements

Recently Issued Accounting Pronouncements

Measurement of Credit Losses on Financial Instruments

In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instruments, which provides new guidance on the accounting for credit losses for instruments that are within its scope. This new guidance is commonly referred to as the current expected credit loss (“CECL”) model. For loans and debt securities accounted for at amortized cost, certain off-balance sheet credit exposures, net investments in leases, and trade receivables, the ASU requires an entity to recognize its estimate of credit losses expected over the life of the financial instrument or exposure. Lifetime expected credit losses on purchased financial assets with credit deterioration will be recognized as an allowance with an offset to the cost basis of the asset. For available for sale debt securities, the new standard will require recognition of expected credit losses by recognizing an allowance for credit losses when the fair value of the security is below amortized cost and the recognition of this allowance is limited to the difference between the security’s amortized cost basis and fair value. The ASU is effective for interim and annual periods beginning on January 1, 2020, with early adoption permitted in 2019. The Company plans to adopt the ASU on January 1, 2020. The Company has completed the design phase of the implementation and will begin parallel testing in the second quarter of 2019. Management currently expects the allowance for credit losses will increase upon adoption of this ASU; however, the magnitude of the change is highly dependent on economic conditions and portfolio composition at the time of adoption.

Simplifying the Test for Goodwill Impairment

In January 2017, the FASB issued ASU 2017-04, Simplifying the Test for Goodwill Impairment. The ASU removes Step 2 of the goodwill impairment test, which measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of that goodwill. Under the amendments, a goodwill impairment loss will be measured as the amount by which a reporting unit’s carrying amount exceeds its fair value; however, the loss recognized cannot exceed the total amount of goodwill allocated to that reporting unit. Additionally, an entity should consider income tax effects from any tax deductible goodwill on the carrying amount of the reporting unit when measuring the goodwill impairment loss. The ASU will be effective for MUAH beginning January 1, 2020 on a prospective basis. Management does not expect the adoption of this guidance to significantly impact the Company’s financial position or results of operations.

Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement

In August 2018, the FASB issued ASU 2018-13, Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement, which modifies disclosure requirements on fair value measurements to improve their effectiveness. The guidance permits entities to consider materiality when evaluating fair value measurement disclosures and, among other modifications, requires certain new disclosures related to Level 3 fair value measurements. The guidance will be effective for MUAH beginning January 1, 2020, with early adoption permitted. The guidance only affects disclosures in the notes to the consolidated financial statements and will not affect the Company’s financial position or results of operations.

Recently Adopted Accounting Pronouncements

Accounting for Leases

In February 2016, the FASB issued ASU 2016-02, Leases, which requires entities that lease assets (i.e., lessees) to recognize assets and liabilities on their balance sheet for the rights and obligations created by those leases. The accounting by entities that own the assets leased (i.e., lessors) remains largely unchanged; however, leveraged lease accounting is no longer permitted for leases that commence after the effective date. The ASU also requires qualitative and quantitative disclosures about the amount, timing and uncertainty of cash flows arising from leases. The ASU is effective for interim and annual periods beginning on January 1, 2019 and requires a modified retrospective approach, with early adoption permitted. In July 2018, the FASB issued ASU 2018-11, Leases, which allows entities the option to recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. In December 2018, the FASB issued ASU 2018-20, Leases, which clarified lessor accounting for sales and similar taxes collected by lessors, certain lessor costs, and lease payments with lease and nonlease components. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations.

Premium Amortization on Purchased Callable Debt Securities

In March 2017, the FASB issued ASU 2017-08, Premium Amortization on Purchased Callable Debt Securities, which requires premiums on certain purchased callable debt securities to be amortized to the earliest call date. Under current guidance, premiums on callable debt securities are generally amortized over the contractual life of the security. The amortization period for callable debt securities purchased at a discount will not be impacted. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations.

Targeted Improvements to Accounting for Hedging Activities

In August 2017, the FASB issued ASU 2017-12, Targeted Improvements to Accounting for Hedging Activities, which will make more hedging strategies eligible for hedge accounting, simplify the application of hedge accounting, and enhance the transparency and understandability of hedge results. The guidance eliminates the requirement to separately measure and report hedge ineffectiveness and generally requires the entire change in the fair value of a hedging instrument to be presented in the same income statement line as the hedged item. It also amends the disclosure requirements and changes how entities assess effectiveness. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations. As permitted by this guidance, the Company transferred securities held to maturity with a carrying amount of $170 million to securities available for sale upon adoption.

Revenue from Contracts with Customers

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Summary of Significant Accounting Policies and Nature of Operations (Tables)

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Schedule of Impact as a Result of Adopting ASU 2017-07

Accounting for Leases

In February 2016, the FASB issued ASU 2016-02, Leases, which requires entities that lease assets (i.e., lessees) to recognize assets and liabilities on their balance sheet for the rights and obligations created by those leases. The accounting by entities that own the assets leased (i.e., lessors) remains largely unchanged; however, leveraged lease accounting is no longer permitted for leases that commence after the effective date. The ASU also requires qualitative and quantitative disclosures about the amount, timing and uncertainty of cash flows arising from leases. The ASU is effective for interim and annual periods beginning on January 1, 2019 and requires a modified retrospective approach, with early adoption permitted. In July 2018, the FASB issued ASU 2018-11, Leases, which allows entities the option to recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. In December 2018, the FASB issued ASU 2018-20, Leases, which clarified lessor accounting for sales and similar taxes collected by lessors, certain lessor costs, and lease payments with lease and nonlease components. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations.

Premium Amortization on Purchased Callable Debt Securities

In March 2017, the FASB issued ASU 2017-08, Premium Amortization on Purchased Callable Debt Securities, which requires premiums on certain purchased callable debt securities to be amortized to the earliest call date. Under current guidance, premiums on callable debt securities are generally amortized over the contractual life of the security. The amortization period for callable debt securities purchased at a discount will not be impacted. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations.

Targeted Improvements to Accounting for Hedging Activities

In August 2017, the FASB issued ASU 2017-12, Targeted Improvements to Accounting for Hedging Activities, which will make more hedging strategies eligible for hedge accounting, simplify the application of hedge accounting, and enhance the transparency and understandability of hedge results. The guidance eliminates the requirement to separately measure and report hedge ineffectiveness and generally requires the entire change in the fair value of a hedging instrument to be presented in the same income statement line as the hedged item. It also amends the disclosure requirements and changes how entities assess effectiveness. Effective January 1, 2019, the Company adopted this guidance which did not significantly impact the Company's financial position or results of operations. As permitted by this guidance, the Company transferred securities held to maturity with a carrying amount of $170 million to securities available for sale upon adoption.

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Securities (Tables)

3 Months Ended

Mar. 31, 2019

Securities

Amortized Cost, Gross Unrealized Gains, Gross Unrealized Losses, and Fair Values of Securities

At March 31, 2019 and December 31, 2018, the amortized cost, gross unrealized gains, gross unrealized losses and fair values of securities available for sale are presented below.

	March 31, 2019
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Asset Liability Management securities:
U.S. Treasury	$	3,574	$	3	$	91	$	3,486
U.S. government-sponsored agencies	1		—		—		1
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	9,169		26		108		9,087
Privately issued	942		2		12		932
Privately issued - commercial mortgage-backed securities	1,441		17		5		1,453
Collateralized loan obligations	1,547		—		9		1,538
Other	4		—		—		4
Asset Liability Management securities	16,678		48		225		16,501
Other debt securities:
Direct bank purchase bonds	1,115		35		26		1,124
Other	182		—		—		182
Total securities available for sale	$	17,975	$	83	$	251	$	17,807

	December 31, 2018
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Asset Liability Management securities:
U.S. Treasury	$	3,572	$	1	$	144	$	3,429
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	8,168		7		168		8,007
Privately issued	887		—		23		864
Privately issued - commercial mortgage-backed securities	1,179		3		20		1,162
Collateralized loan obligations	1,492		—		18		1,474
Other	4		—		—		4
Asset Liability Management securities	15,302		11		373		14,940
Other debt securities:
Direct bank purchase bonds	1,190		30		30		1,190
Other	188		—		4		184
Total securities available for sale	$	16,680	$	41	$	407	$	16,314

Proceeds from Sales of Securities Available for Sale and Gross Realized Gains and Losses

The gross realized gains and losses from sales of available for sale securities for the three months endedMarch 31, 2019 and 2018 are shown below. The specific identification method is used to calculate realized gains and losses on sales.

	For the Three Months Ended March 31,
(Dollars in millions)	2019		2018
Gross realized gains	$	1	$	—

Schedule of Held to Maturity Securities Recognized and Not Recognized in Other Comprehensive Income (OCI) and Fair Values

At March 31, 2019 and December 31, 2018, the amortized cost, gross unrealized gains and losses recognized in OCI, carrying amount, gross unrealized gains and losses not recognized in OCI, and fair values of securities held to maturity are presented below. Management has asserted the positive intent and ability to hold these securities to maturity.

	March 31, 2019
			Recognized in OCI						Not Recognized in OCI
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Carrying Amount		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury	$	427	$	—	$	—	$	427	$	1	$	1	$	427
U.S. government-sponsored agencies	850		—		—		850		—		—		850
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	7,840		1		92		7,749		39		122		7,666
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	1,421		—		38		1,383		23		18		1,388
Total securities held to maturity	$	10,538	$	1	$	130	$	10,409	$	63	$	141	$	10,331

	December 31, 2018
			Recognized in OCI						Not Recognized in OCI
(Dollars in millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Carrying Amount		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury	$	528	$	—	$	—	$	528	$	1	$	2	$	527
U.S. government-sponsored agencies	722		—		—		722		1		—		723
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	8,302		1		96		8,207		11		191		8,027
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	1,486		—		42		1,444		17		18		1,443
Total securities held to maturity	$	11,038	$	1	$	138	$	10,901	$	30	$	211	$	10,720

Securities Available for Sale

Securities

Securities in Unrealized Loss Position

The Company’s securities available for sale with a continuous unrealized loss position at March 31, 2019 and December 31, 2018 are shown below, identified for periods less than 12 months and 12 months or more.

	March 31, 2019
	Less than 12 months				12 months or more				Total
(Dollars in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Asset Liability Management securities:
U.S. Treasury	$	—	$	—	$	3,136	$	91	$	3,136	$	91
U.S. government-sponsored agencies	1		—		—		—		1		—
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	1,527		11		4,877		97		6,404		108
Privately issued	36		—		598		12		634		12
Privately issued - commercial mortgage-backed securities	80		—		525		5		605		5
Collateralized loan obligations	1,351		8		32		1		1,383		9
Asset Liability Management securities	2,995		19		9,168		206		12,163		225
Other debt securities:
Direct bank purchase bonds	19		1		412		25		431		26
Other	75		—		4		—		79		—
Total securities available for sale	$	3,089	$	20	$	9,584	$	231	$	12,673	$	251

	December 31, 2018
	Less than 12 months				12 months or more				Total
(Dollars in millions)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Asset Liability Management securities:
U.S. Treasury	$	147	$	1	$	3,182	$	143	$	3,329	$	144
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	1,941		8		4,797		160		6,738		168
Privately issued	398		7		383		16		781		23
Privately issued - commercial mortgage-backed securities	364		6		512		14		876		20
Collateralized loan obligations	1,428		18		—		—		1,428		18
Asset Liability Management securities	4,278		40		8,874		333		13,152		373
Other debt securities:
Direct bank purchase bonds	221		6		417		24		638		30
Other	178		4		4		—		182		4
Total securities available for sale	$	4,677	$	50	$	9,295	$	357	$	13,972	$	407

Debt Securities by Contractual Maturity

The fair value of debt securities available for sale by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to prepay obligations with or without prepayment penalties.

	March 31, 2019
(Dollars in millions)	One Year or Less		Over One Year Through Five Years		Over Five Years Through Ten Years		Over Ten Years		Total Fair Value
Asset Liability Management securities:
U.S. Treasury	$	—	$	1,301	$	2,185	$	—	$	3,486
U.S. government-sponsored agencies	1		—		—		—		1
Residential mortgage-backed securities:
U.S. government agency and government-sponsored agencies	—		341		1,272		7,474		9,087
Privately issued	—		—		—		932		932
Privately issued - commercial mortgage-backed securities	—		33		74		1,346		1,453
Collateralized loan obligations	—		—		339		1,199		1,538
Other	—		4		—		—		4
Asset Liability Management securities	1		1,679		3,870		10,951		16,501
Other debt securities:
Direct bank purchase bonds	—		414		581		129		1,124
Other	13		150		—		19		182
Total debt securities available for sale	$	14	$	2,243	$	4,451	$	11,099	$	17,807

Securities Held to Maturity

Securities

Securities in Unrealized Loss Position

The Company’s securities held to maturity with a continuous unrealized loss position at March 31, 2019 and December 31, 2018 are shown below, separately for periods less than 12 months and 12 months or more.

	March 31, 2019
	Less than 12 months						12 months or more						Total
			Unrealized Losses						Unrealized Losses						Unrealized Losses
(Dollars in millions)	Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI
U.S. Treasury	$	—	$	—	$	—	$	398	$	—	$	1	$	398	$	—	$	1
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	—		—		—		7,479		92		122		7,479		92		122
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	16		—		—		1,373		38		18		1,389		38		18
Total securities held to maturity	$	16	$	—	$	—	$	9,250	$	130	$	141	$	9,266	$	130	$	141

	December 31, 2018
	Less than 12 months						12 months or more						Total
			Unrealized Losses						Unrealized Losses						Unrealized Losses
(Dollars in millions)	Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI		Fair Value		Recognized in OCI		Not Recognized in OCI
U.S. Treasury	$	—	$	—	$	—	$	496	$	—	$	2	$	496	$	—	$	2
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	668		—		11		7,191		96		180		7,859		96		191
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	29		—		—		1,396		42		18		1,425		42		18
Total securities held to maturity	$	697	$	—	$	11	$	9,083	$	138	$	200	$	9,780	$	138	$	211

Debt Securities by Contractual Maturity

The carrying amount and fair value of securities held to maturity by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to prepay obligations with or without prepayment penalties.

					March 31, 2019
	Within One Year				Over One Year Through Five Years				Over Five Years Through Ten Years				Over Ten Years				Total
(Dollars in millions)	Carrying Amount		Fair Value		Carrying Amount		Fair Value		Carrying Amount		Fair Value		Carrying Amount		Fair Value		Carrying Amount		Fair Value
U.S. Treasury	$	423	$	423	$	4	$	4	$	—	$	—	$	—	$	—	$	427	$	427
U.S. government-sponsored agencies	—		—		500		500		350		350		—		—		850		850
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities	—		—		—		—		945		936		6,804		6,730		7,749		7,666
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities	21		21		776		791		—		—		586		576		1,383		1,388
Total securities held to maturity	$	444	$	444	$	1,280	$	1,295	$	1,295	$	1,286	$	7,390	$	7,306	$	10,409	$	10,331

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Loans and Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Summary of Loans

The following table provides the outstanding balances of loans held for investment at March 31, 2019 and December 31, 2018.

(Dollars in millions)	March 31, 2019			December 31, 2018
Loans held for investment:
Commercial and industrial	$	25,303		$	24,919
Commercial mortgage	15,299			15,354
Construction	1,691			1,613
Lease financing	1,322			1,249
Total commercial portfolio	43,615			43,135
Residential mortgage	38,439			38,439
Home equity and other consumer loans	5,533			4,933
Total consumer portfolio	43,972			43,372
Total loans held for investment(1)	87,587			86,507
Allowance for loan losses	(516		)	(474		)
Loans held for investment, net	$	87,071		$	86,033

(1) Includes $343 million and $340 million at March 31, 2019 and December 31, 2018, respectively, for net unamortized (discounts) and premiums and deferred (fees) and costs.

Reconciliation of Changes in Allowance for Loan Losses by Portfolio Segment

The following tables provide a reconciliation of changes in the allowance for loan losses by portfolio segment.

	For the Three Months Ended March 31, 2019
(Dollars in millions)	Commercial			Consumer			Unallocated		Total
Allowance for loan losses, beginning of period	$	359		$	110		$	5	$	474
(Reversal of) provision for loan losses	32			27			—		59
Loans charged-off	(11		)	(17		)	—		(28		)
Recoveries of loans previously charged-off	9			2			—		11
Allowance for loan losses, end of period	$	389		$	122		$	5	$	516

	For the Three Months Ended March 31, 2018
(Dollars in millions)	Commercial			Consumer			Unallocated			Total
Allowance for loan losses, beginning of period	$	360		$	86		$	30		$	476
(Reversal of) provision for loan losses	14			6			(25		)	(5		)
Loans charged-off	(6		)	(10		)	—			(16		)
Recoveries of loans previously charged-off	3			2			—			5
Allowance for loan losses, end of period	$	371		$	84		$	5		$	460

Allowance for Loan Losses and Related Loan Balances by Portfolio Segment

The following tables show the allowance for loan losses and related loan balances by portfolio segment as of March 31, 2019 and December 31, 2018.

	March 31, 2019
(Dollars in millions)	Commercial		Consumer		Unallocated		Total
Allowance for loan losses:
Individually evaluated for impairment	$	109	$	13	$	—	$	122
Collectively evaluated for impairment	280		109		5		394
Total allowance for loan losses	$	389	$	122	$	5	$	516
Loans held for investment:
Individually evaluated for impairment	$	654	$	274	$	—	$	928
Collectively evaluated for impairment	42,961		43,698		—		86,659
Total loans held for investment	$	43,615	$	43,972	$	—	$	87,587

	December 31, 2018
(Dollars in millions)	Commercial		Consumer		Unallocated		Total
Allowance for loan losses:
Individually evaluated for impairment	$	62	$	13	$	—	$	75
Collectively evaluated for impairment	297		97		5		399
Total allowance for loan losses	$	359	$	110	$	5	$	474
Loans held for investment:
Individually evaluated for impairment	$	450	$	280	$	—	$	730
Collectively evaluated for impairment	42,685		43,092		—		85,777
Total loans held for investment	$	43,135	$	43,372	$	—	$	86,507

Summary of Nonaccrual Loans

The following table presents nonaccrual loans as of March 31, 2019 and December 31, 2018.

(Dollars in millions)	March 31, 2019		December 31, 2018
Commercial and industrial	$	478	$	269
Commercial mortgage	12		12
Total commercial portfolio	490		281
Residential mortgage	124		121
Home equity and other consumer loans	20		19
Total consumer portfolio	144		140
Total nonaccrual loans	$	634	$	421
Troubled debt restructured loans that continue to accrue interest	$	296	$	299
Troubled debt restructured nonaccrual loans (included in total nonaccrual loans above)	$	163	$	136

Aging of Balance of Loans Held for Investment

The following tables show the aging of the balance of loans held for investment by class as of March 31, 2019 and December 31, 2018.

	March 31, 2019
	Aging Analysis of Loans
(Dollars in millions)	Current		30 to 89 Days Past Due		90 Days or More Past Due		Total Past Due		Total
Commercial and industrial	$	26,381	$	220	$	24	$	244	$	26,625
Commercial mortgage	15,273		22		4		26		15,299
Construction	1,685		5		1		6		1,691
Total commercial portfolio	43,339		247		29		276		43,615
Residential mortgage	38,256		141		42		183		38,439
Home equity and other consumer loans	5,491		29		13		42		5,533
Total consumer portfolio	43,747		170		55		225		43,972
Total loans held for investment	$	87,086	$	417	$	84	$	501	$	87,587

	December 31, 2018
	Aging Analysis of Loans
(Dollars in millions)	Current		30 to 89 Days Past Due		90 Days or More Past Due		Total Past Due		Total
Commercial and industrial	$	26,114	$	18	$	36	$	54	$	26,168
Commercial mortgage	15,333		17		4		21		15,354
Construction	1,593		20		—		20		1,613
Total commercial portfolio	43,040		55		40		95		43,135
Residential mortgage	38,218		175		46		221		38,439
Home equity and other consumer loans	4,893		28		12		40		4,933
Total consumer portfolio	43,111		203		58		261		43,372
Total loans held for investment	$	86,151	$	258	$	98	$	356	$	86,507

Loans in Commercial Portfolio Segment Monitored for Credit Quality Based on Regulatory Risk Ratings

The following tables summarize the loans in the commercial portfolio segment monitored for credit quality based on regulatory risk ratings.

	March 31, 2019
			Criticized
(Dollars in millions)	Pass		Special Mention		Classified		Total
Commercial and industrial	$	25,339	$	569	$	717	$	26,625
Commercial mortgage	15,018		121		160		15,299
Construction	1,518		111		62		1,691
Total commercial portfolio	$	41,875	$	801	$	939	$	43,615

	December 31, 2018
			Criticized
(Dollars in millions)	Pass		Special Mention		Classified		Total
Commercial and industrial	$	25,191	$	355	$	622	$	26,168
Commercial mortgage	15,138		105		111		15,354
Construction	1,542		8		63		1,613
Total commercial portfolio	$	41,871	$	468	$	796	$	43,135

Loans in Consumer Portfolio an Purchased credit-impaired loans

The following tables summarize the loans in the consumer portfolio segment, which exclude $5 million and $6 million of loans covered by FDIC loss share agreements, at March 31, 2019 and December 31, 2018, respectively.

	March 31, 2019
(Dollars in millions)	Accrual		Nonaccrual		Total
Residential mortgage	$	38,312	$	124	$	38,436
Home equity and other consumer loans	5,511		20		5,531
Total consumer portfolio	$	43,823	$	144	$	43,967

	December 31, 2018
(Dollars in millions)	Accrual		Nonaccrual		Total
Residential mortgage	$	38,314	$	121	$	38,435
Home equity and other consumer loans	4,912		19		4,931
Total consumer portfolio	$	43,226	$	140	$	43,366

Loans in Consumer Portfolio Segment Based on Refreshed FICO Scores and Refreshed LTV ratios

These tables exclude loans covered by FDIC loss share agreements, as discussed above. The amounts presented reflect unpaid principal balances less partial charge-offs.

	March 31, 2019
	FICO scores
(Dollars in millions)	720 and Above			Below 720			No FICO Available(1)			Total
Residential mortgage	$	31,693		$	5,950		$	403		$	38,046
Home equity and other consumer loans	3,711			1,712			53			5,476
Total consumer portfolio	$	35,404		$	7,662		$	456		$	43,522
Percentage of total	81		%	18		%	1		%	100		%

(1) Represents loans for which management was not able to obtain an updated FICO score (e.g., due to recent profile changes).

	December 31, 2018
	FICO scores
(Dollars in millions)	720 and Above			Below 720			No FICO Available(1)			Total
Residential mortgage	$	31,589		$	6,022		$	434		$	38,045
Home equity and other consumer loans	3,349			1,448			52			4,849
Total consumer portfolio	$	34,938		$	7,470		$	486		$	42,894
Percentage of total	82		%	17		%	1		%	100		%

(1) Represents loans for which management was not able to obtain an updated FICO score (e.g., due to recent profile changes).

	March 31, 2019
	LTV ratios
(Dollars in millions)	Less than or Equal to 80 Percent			Greater than 80 and Less than 100 Percent			Greater than or Equal to 100 Percent			No LTV Available(1)			Total
Residential mortgage	$	35,859		$	2,106		$	8		$	73		$	38,046
Home equity loans	1,914			239			13			24			2,190
Total consumer portfolio	$	37,773		$	2,345		$	21		$	97		$	40,236
Percentage of total	94		%	6		%	—		%	—		%	100		%

(1) Represents loans for which management was not able to obtain refreshed property values.

	December 31, 2018
	LTV ratios
(Dollars in millions)	Less than or Equal to 80 Percent			Greater than 80 and Less than 100 Percent			Greater than or Equal to 100 Percent			No LTV Available(1)			Total
Residential mortgage	$	36,604		$	1,361		$	4		$	75		$	38,044
Home equity loans	1,966			221			12			24			2,223
Total consumer portfolio	$	38,570		$	1,582		$	16		$	99		$	40,267
Percentage of total	96		%	4		%	—		%	—		%	100		%

(1) Represents loans for which management was not able to obtain refreshed property values.

Summary of Troubled Debt Restructurings

The following table provides a summary of the Company’s recorded investment in TDRs as of March 31, 2019 and December 31, 2018. The summary includes those TDRs that are on nonaccrual status and those that continue to accrue interest. The Company had $45 million and $49 million in commitments to lend additional funds to borrowers with loan modifications classified as TDRs as of March 31, 2019 and December 31, 2018, respectively.

(Dollars in millions)	March 31, 2019		December 31, 2018
Commercial and industrial	$	137	$	109
Commercial mortgage	47		46
Construction	62		63
Total commercial portfolio	246		218
Residential mortgage	192		196
Home equity and other consumer loans	21		21
Total consumer portfolio	213		217
Total restructured loans	$	459	$	435

Pre- and Post-Modification Outstanding Recorded Investment Amounts of Troubled Debt Restructurings

The following tables provide the pre- and post-modification outstanding recorded investment amounts of TDRs as of the date of the restructuring that occurred during the three months ended March 31, 2019 and 2018.

	For the Three Months Ended March 31, 2019
(Dollars in millions)	Pre-Modification Outstanding Recorded Investment(1)		Post-Modification Outstanding Recorded Investment(2)
Commercial and industrial	$	41	$	41
Commercial mortgage	2		2
Total commercial portfolio	43		43
Residential mortgage	4		4
Home equity and other consumer loans	1		1
Total consumer portfolio	5		5
Total	$	48	$	48

(1) Represents the recorded investment in the loan immediately prior to the restructuring event.

(2) Represents the recorded investment in the loan immediately following the restructuring event. It includes the effect of paydowns that were required as part of the restructuring terms.

	For the Three Months Ended March 31, 2018
(Dollars in millions)	Pre-Modification Outstanding Recorded Investment(1)		Post-Modification Outstanding Recorded Investment(2)
Commercial and industrial	$	14	$	14
Total commercial portfolio	14		14
Residential mortgage	1		1
Total consumer portfolio	1		1
Total	$	15	$	15

(1) Represents the recorded investment in the loan immediately prior to the restructuring event.

(2) Represents the recorded investment in the loan immediately following the restructuring event. It includes the effect of paydowns that were required as part of the restructuring terms.

Recorded Investment Amounts of Troubled Debt Restructurings

The following tables provide the recorded investment amounts of TDRs at the date of default, for which there was a payment default during the three months ended March 31, 2019, and where the default occurred within the first twelve months after modification into a TDR. A payment default is defined as the loan being 60 days or more past due. There were no such defaults during the three months ended March 31, 2018.

(Dollars in millions)	For the Three Months Ended March 31, 2019
Commercial and industrial	$	—
Commercial mortgage	1
Total commercial portfolio	1
Residential mortgage	$	—
Home equity and other consumer loans	—
Total consumer portfolio	—
Total	$	1

Information about Impaired Loans by Class

The following tables show information about impaired loans by class as of March 31, 2019 and December 31, 2018.

	March 31, 2019
	Recorded Investment								Unpaid Principal Balance
(Dollars in millions)	With an Allowance		Without an Allowance		Total		Allowance for Impaired Loans		With an Allowance		Without an Allowance
Commercial and industrial	$	511	$	17	$	528	$	108	$	578	$	50
Commercial mortgage	22		42		64		1		22		42
Construction	—		62		62		—		—		62
Total commercial portfolio	533		121		654		109		600		154
Residential mortgage	170		71		241		12		179		85
Home equity and other consumer loans	22		11		33		1		22		20
Total consumer portfolio	192		82		274		13		201		105
Total	$	725	$	203	$	928	$	122	$	801	$	259

	December 31, 2018
	Recorded Investment								Unpaid Principal Balance
(Dollars in millions)	With an Allowance		Without an Allowance		Total		Allowance for Impaired Loans		With an Allowance		Without an Allowance
Commercial and industrial	$	299	$	22	$	321	$	61	$	372	$	39
Commercial mortgage	25		41		66		1		25		41
Construction	—		63		63		—		—		63
Total commercial portfolio	324		126		450		62		397		143
Residential mortgage	175		71		246		12		184		85
Home equity and other consumer loans	22		12		34		1		22		21
Total consumer portfolio	197		83		280		13		206		106
Total	$	521	$	209	$	730	$	75	$	603	$	249

Average Investment in Impaired Loans and Interest Income Recognized for Impaired Loans

The following table presents the average recorded investment in impaired loans and the amount of interest income recognized for impaired loans during the three months ended March 31, 2019 and 2018 for the commercial and consumer loans portfolio segments.

	For the Three Months Ended March 31,
	2019				2018
(Dollars in millions)	Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income
Commercial and industrial	$	430	$	3	$	293	$	2
Commercial mortgage	65		2		37		10
Construction	62		1		128		2
Total commercial portfolio	557		6		458		14
Residential mortgage	244		3		272		4
Home equity and other consumer loans	33		2		41		1
Total consumer portfolio	277		5		313		5
Total	$	834	$	11	$	771	$	19

The following table presents loan transfers from held to investment to held for sale and proceeds from

sales of loans during the three months ended March 31, 2019 and 2018 for the commercial and consumer loans portfolio segments.

	For the Three Months Ended March 31,
	2019				2018
(Dollars in millions)	Transfer of loans from held for investment to held for sale, net		Proceeds from Sale		Transfer of loans from held for investment to held for sale, net			Proceeds from Sale
Commercial portfolio	$	71	$	121	$	(91	)	$	240
Consumer portfolio	—		—		—			—
Total	$	71	$	121	$	(91	)	$	240

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Variable Interest Entities (Tables)

3 Months Ended

Mar. 31, 2019

Variable Interest Entities

Schedule of assets and liabilities of VIEs

The following table presents the impact of the unconsolidated LIHC investments on our consolidated statements of income for the three months endedMarch 31, 2019 and 2018.

	For the Three Months Ended
	March 31, 2019		March 31, 2018
(Dollars in millions)
Losses from LIHC investments included in other noninterest expense	$	2	$	2
Amortization of LIHC investments included in income tax expense	34		34
Tax credits and other tax benefits from LIHC investments included in income tax expense	45		44

Consolidated VIEs

Variable Interest Entities

Schedule of assets and liabilities of VIEs

The following tables present the assets and liabilities of consolidated VIEs recorded on the Company’s consolidated balance sheets at March 31, 2019 and December 31, 2018.

	March 31, 2019
	Consolidated Assets								Consolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities
LIHC investments	$	—	$	—	$	38	$	38	$	—	$	—
Leasing investments	—		490		121		611		17		17
Total consolidated VIEs	$	—	$	490	$	159	$	649	$	17	$	17

	December 31, 2018
	Consolidated Assets								Consolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities
LIHC investments	$	—	$	—	$	43	$	43	$	—	$	—
Leasing investments	—		570		122		692		17		17
Total consolidated VIEs	$	—	$	570	$	165	$	735	$	17	$	17

Unconsolidated VIEs

Variable Interest Entities

Schedule of assets and liabilities of VIEs

The following tables present the Company’s carrying amounts related to the unconsolidated VIEs at March 31, 2019 and December 31, 2018. The tables also present the Company’s maximum exposure to loss resulting from its involvement with these VIEs. The maximum exposure to loss represents the carrying amount of the Company’s involvement plus any legally binding unfunded commitments in the unlikely event that all of the assets in the VIEs become worthless. During the three months endedMarch 31, 2019 and March 31, 2018, the Company had noncash increases in unfunded commitments on LIHC investments of $55 million and $23 million, respectively, included within other liabilities.

	March 31, 2019
	Unconsolidated Assets										Unconsolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Securities Available for Sale		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities		Maximum Exposure to Loss
LIHC investments	$	—	$	28	$	216	$	998	$	1,242	$	207	$	207	$	1,242
Renewable energy investments	26		—		18		1,365		1,409		14		14		1,430
Other investments	—		—		—		40		40		—		—		80
Total unconsolidated VIEs	$	26	$	28	$	234	$	2,403	$	2,691	$	221	$	221	$	2,752

	December 31, 2018
	Unconsolidated Assets										Unconsolidated Liabilities
(Dollars in millions)	Interest Bearing Deposits in Banks		Securities Available for Sale		Loans Held for Investment, Net		Other Assets		Total Assets		Other Liabilities		Total Liabilities		Maximum Exposure to Loss
LIHC investments	$	—	$	28	$	198	$	976	$	1,202	$	165	$	165	$	1,202
Renewable energy investments	26		—		19		1,401		1,446		14		14		1,467
Other investments	—		—		—		35		35		—		—		79
Total unconsolidated VIEs	$	26	$	28	$	217	$	2,412	$	2,683	$	179	$	179	$	2,748

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Securities Financing Arrangements (Tables)

3 Months Ended

Mar. 31, 2019

Transfers and Servicing [Abstract]

Schedule of Offsetting Assets

Schedule of Offsetting Liabilities

Secured Borrowings by Contractual Maturity and Class of Collateral Pledged

The following tables present the gross obligations for securities sold under agreements to repurchase and securities loaned by remaining contractual maturity and class of collateral pledged at March 31, 2019 and December 31, 2018.

	March 31, 2019
(Dollars in millions)	Overnight and Continuous		Up to 30 Days		31 - 90 Days		Greater than 90 Days		Total
Securities sold under agreements to repurchase:
U.S. Treasury securities	$	9,996	$	3,726	$	1,840	$	834	$	16,396
U.S. government-sponsored agency securities	99		2		41		—		142
Other sovereign government obligations	—		—		3		—		3
Money market securities	—		—		307		—		307
Mortgage-backed securities	5,919		2,510		6,622		600		15,651
Corporate bonds	1,285		43		1,037		—		2,365
State and municipal securities	503		—		48		—		551
Equity securities	307		7		256		—		570
Total	$	18,109	$	6,288	$	10,154	$	1,434	$	35,985
Securities loaned:
Corporate bonds	$	10	$	—	$	—	$	—	$	10
U.S. Treasury securities	151		—		—		—		151
Equity securities	282		251		—		—		533
Total	$	443	$	251	$	—	$	—	$	694

	December 31, 2018
(Dollars in millions)	Overnight and Continuous		Up to 30 Days		31 - 90 Days		Greater than 90 Days		Total
Securities sold under agreements to repurchase:
U.S. Treasury securities	$	9,416	$	2,945	$	2,991	$	335	$	15,687
U.S. government-sponsored agency securities	264		—		55		—		319
Money market securities	—		—		49		—		49
Asset-backed securities	—		—		282		—		282
Mortgage-backed securities	9,803		1,640		7,569		—		19,012
Corporate bonds	682		130		1,227		—		2,039
State and municipal securities	115		245		188		—		548
Equity securities	387		220		255		—		862
Total	$	20,667	$	5,180	$	12,616	$	335	$	38,798
Securities loaned:
Corporate bonds	$	1	$	—	$	—	$	—	$	1
Equity securities	92		—		—		—		92
Total	$	93	$	—	$	—	$	—	$	93

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Commercial Paper and Other Short-Term Borrowings (Tables)

3 Months Ended

Mar. 31, 2019

Short-term Debt [Abstract]

Summary of Commercial Paper and Other Short-Term Borrowings

The following table is a summary of the Company's commercial paper and other short-term borrowings.

(Dollars in millions)	March 31, 2019		December 31, 2018
Debt issued by MUB
Commercial paper, with a weighted average interest rate of 2.44% and 2.39% at March 31, 2019 and December 31, 2018, respectively	$	898	$	382
Federal Home Loan Bank advances, with a weighted average interest rate of 2.58% and 2.52% at March 31, 2019 and December 31, 2018, respectively	7,100		7,800
Total debt issued by MUB	7,998		8,182
Debt issued by other MUAH subsidiaries
Short-term debt due to MUFG Bank, Ltd., with weighted average interest rates of 3.00% and 3.01% at March 31, 2019 and December 31, 2018, respectively	88		145
Short-term debt due to affiliates, with weighted average interest rates of (-0.09)% and (-0.07)% at March 31, 2019 and December 31, 2018, respectively	757		936
Total debt issued by other MUAH subsidiaries	845		1,081
Total commercial paper and other short-term borrowings	$	8,843	$	9,263

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Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Summary of Long-Term Debt

The following is a summary of the Company's long-term debt.

(Dollars in millions)	March 31, 2019		December 31, 2018
Debt issued by MUAH
Senior debt:
Fixed rate 3.50% notes due June 2022	$	398	$	398
Fixed rate 3.00% notes due February 2025	397		397
Senior debt due to MUFG Bank, Ltd:
Floating rate debt due December 2021. This note, which bears interest at 0.81% above 3-month LIBOR, had a rate of 3.40% at March 31, 2019 and 3.58% at December 31, 2018	1,625		1,625
Floating rate debt due December 2022. This note, which bears interest at 0.90% above 3-month LIBOR, had a rate of 3.49% at March 31, 2019 and 3.67% at December 31, 2018	3,250		3,250
Floating rate debt due December 2023. This note, which bears interest at 0.99% above 3-month LIBOR, had a rate of 3.58% at March 31, 2019 and 3.76% at December 31, 2018	1,625		1,625
Floating rate debt due December 2023. This note, which bears interest at 0.76% above 3-month EURIBOR, had a rate of 0.76% at March 31, 2019 and 0.76% at December 31, 2018	24		24
Junior subordinated debt payable to trusts:
Floating rate note due September 2036. This note had an interest rate of 4.31% at March 31, 2019 and 4.49% at December 31, 2018	37		36
Total debt issued by MUAH	7,356		7,355
Debt issued by MUB
Senior debt:
Floating rate debt due March 2022. This note, which bears interest at 0.60% above 3-month LIBOR, had a rate of 3.21% at March 31, 2019	299		—
Fixed rate 2.25% notes due May 2019	499		498
Fixed rate 3.15% notes due April 2022	996		—
Fixed rate FHLB of San Francisco advances due between April 2019 and December 2023. These notes bear a combined weighted average rate of 2.79% at March 31, 2019 and 2.66% at December 31, 2018	7,450		9,100
Other	36		34
Total debt issued by MUB	9,280		9,632
Debt issued by other MUAH subsidiaries
Senior debt due to MUFG Bank, Ltd:
Various floating rate borrowings due between December 2020 and May 2021. These notes, which bear interest above 3-month LIBOR had a weighted average interest rate of 2.60% at March 31, 2019 and 2.80% at December 31, 2018	250		250
Various fixed rate borrowings due between June 2019 and May 2024 with a weighted average interest rate of 1.80% (between 0.14% and 2.44%) at March 31, 2019 and 1.82% (between 0.14% and 2.44%) at December 31, 2018	223		244
Subordinated debt due to Affiliate:
Floating rate borrowings due March 2019. These notes, which bore interest above 6-month LIBOR had an interest rate of 4.13% at December 31, 2018	—		75
Non-recourse debt due to MUFG Bank, Ltd:
Various floating rate non-recourse borrowings due December 2021. These notes, which bear interest above 1- or 3-month LIBOR had a weighted average interest rate of 2.74% at March 31, 2019 and 4.09% (between 2.75% and 4.17%) at December 31, 2018	3		53
Fixed rate non-recourse borrowings due between December 2019 and July 2023 which had an interest rate of 3.04% at March 31, 2019 and 3.05% at December 31, 2018	178		187
Other non-recourse debt:
Various floating rate non-recourse borrowings due between May 2019 and February 2021. These notes, which bear interest above 1- or 3-month LIBOR had a weighted average interest rate of 4.64% (between 4.59% and 4.66%) at March 31, 2019 and 4.21% (between 4.17% and 4.48%) at December 31, 2018	13		89
Fixed rate non-recourse borrowings due December 2026 which had an interest rate of 5.34% at March 31, 2019 and 5.34% at December 31, 2018	32		33
Total debt issued by other MUAH subsidiaries	699		931
Total long-term debt	$	17,335	$	17,918

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Fair Value Measurement and Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Financial Assets and Financial Liabilities Measured at Fair Value on Recurring Basis

The following tables present financial assets and financial liabilities measured at fair value on a recurring basis at March 31, 2019 and December 31, 2018, by major category and by valuation hierarchy level.

	March 31, 2019
(Dollars in millions)	Level 1			Level 2			Level 3			Netting Adjustment(1)			Fair Value
Assets
Trading account assets:
U.S. Treasury securities	$	—		$	3,606		$	—		$	—		$	3,606
U.S. government-sponsored agency securities	—			37			—			—			37
State and municipal securities	—			13			—			—			13
Commercial paper	—			303			—			—			303
Corporate bonds	—			1,691			—			—			1,691
Asset-backed securities	—			230			—			—			230
Mortgage-backed securities	—			4,277			—			—			4,277
Equities	67			—			—			—			67
Interest rate derivative contracts	8			705			—			(127		)	586
Commodity derivative contracts	—			18			—			(15		)	3
Foreign exchange derivative contracts	1			250			—			(177		)	74
Equity derivative contracts	—			—			12			(11		)	1
Other derivative contracts	—			1			—			—			1
Total trading account assets	76			11,131			12			(330		)	10,889
Securities available for sale:
Asset Liability Management securities:
U.S. Treasury	—			3,486			—			—			3,486
U.S. government-sponsored agencies	—			1			—			—			1
Residential mortgage-backed securities:
U.S government and government-sponsored agencies	—			9,087			—			—			9,087
Privately issued	—			932			—			—			932
Privately issued - commercial mortgage-backed securities	—			1,453			—			—			1,453
Collateralized loan obligations	—			1,538			—			—			1,538
Other	—			4			—			—			4
Other debt securities:
Direct bank purchase bonds	—			—			1,124			—			1,124
Other	9			29			144			—			182
Total securities available for sale	9			16,530			1,268			—			17,807
Other assets:
Mortgage servicing rights	—			—			263			—			263
Loans held for sale	—			—			121			—			121
Interest rate hedging contracts	—			20			—			(17		)	3
Other derivative contracts	—			8			2			(4		)	6
Equity securities	10			—			—			—			10
Total other assets	10			28			386			(21		)	403
Total assets	$	95		$	27,689		$	1,666		$	(351	)	$	29,099
Percentage of total	—		%	95		%	6		%	(1		)%	100		%
Percentage of total Company assets	—		%	16		%	1		%	—		%	17		%
Liabilities
Trading account liabilities:
Securities sold, not yet purchased:
U.S. Treasury	$	—		$	2,800		$	—		$	—		$	2,800
Corporate bonds	—			643			—			—			643
Equities	74			—			—			—			74
Trading derivatives:
Interest rate derivative contracts	33			484			—			(284		)	233
Commodity derivative contracts	—			13			—			(7		)	6
Foreign exchange derivative contracts	—			157			—			(30		)	127
Equity derivative contracts	—			—			12			—			12
Other derivative contracts	—			1			—			—			1
Total trading account liabilities	107			4,098			12			(321		)	3,896
Other liabilities:
FDIC clawback liability	—			—			117			—			117
Other derivative contracts	—			3			2			(2		)	3
Total other liabilities	—			3			119			(2		)	120
Total liabilities	$	107		$	4,101		$	131		$	(323	)	$	4,016
Percentage of total	3		%	102		%	3		%	(8		)%	100		%
Percentage of total Company liabilities	—		%	3		%	—		%	—		%	3		%

(1) Amounts represent the impact of legally enforceable master netting agreements between the same counterparties that allow the Company to net settle all contracts.

	December 31, 2018
(Dollars in millions)	Level 1			Level 2			Level 3			Netting Adjustment(1)			Fair Value
Assets
Trading account assets:
U.S. Treasury securities	$	—		$	2,998		$	—		$	—		$	2,998
U.S. government-sponsored agency securities	—			73			—			—			73
State and municipal securities	—			10			—			—			10
Commercial paper	—			51			—			—			51
Other sovereign government obligations	—			—			—			—			—
Corporate bonds	—			1,367			—			—			1,367
Asset-backed securities	—			299			—			—			299
Mortgage-backed securities	—			5,785			—			—			5,785
Equities	127			—			—			—			127
Interest rate derivative contracts	9			522			—			(130		)	401
Commodity derivative contracts	—			25			—			(24		)	1
Foreign exchange derivative contracts	1			259			—			(170		)	90
Equity derivative contracts	9			—			13			(11		)	11
Total trading account assets	146			11,389			13			(335		)	11,213
Securities available for sale:
Asset Liability Management securities:
U.S. Treasury	—			3,429			—			—			3,429
Residential mortgage-backed securities:
U.S government and government-sponsored agencies	—			8,007			—			—			8,007
Privately issued	—			864			—			—			864
Privately issued - commercial mortgage-backed securities	—			1,162			—			—			1,162
Collateralized loan obligations	—			1,474			—			—			1,474
Other	—			4			—			—			4
Other debt securities:
Direct bank purchase bonds	—			—			1,190			—			1,190
Other	—			43			141			—			184
Total securities available for sale	—			14,983			1,331			—			16,314
Other assets:
Mortgage servicing rights	—			—			159			—			159
Loans held for sale	—			—			117			—			117
Interest rate hedging contracts	—			6			—			(3		)	3
Other derivative contracts	—			26			1			(16		)	11
Equity securities(2)	9			—			—			—			9
Total other assets	9			32			277			(19		)	299
Total assets	$	155		$	26,404		$	1,621		$	(354	)	$	27,826
Percentage of total	1		%	95		%	6		%	(2		)%	100		%
Percentage of total Company assets	—		%	16		%	1		%	—		%	17		%
Liabilities
Trading account liabilities:
Securities sold, not yet purchased:
U.S. Treasury	$	—		$	2,753		$	—		$	—		$	2,753
Commercial paper	—			10			—			—			10
Corporate bonds	—			717			—			—			717
Equities	70			—			—			—			70
Trading derivatives:
Interest rate derivative contracts	55			545			—			(262		)	338
Commodity derivative contracts	—			18			—			(4		)	14
Foreign exchange derivative contracts	—			168			—			(56		)	112
Equity derivative contracts	—			—			13			—			13
Total trading account liabilities	125			4,211			13			(322		)	4,027
Other liabilities:
FDIC clawback liability	—			—			116			—			116
Other derivative contracts	—			3			2			—			5
Total other liabilities	—			3			118			—			121
Total liabilities	$	125		$	4,214		$	131		$	(322	)	$	4,148
Percentage of total	3		%	102		%	3		%	(8		)%	100		%
Percentage of total Company liabilities	—		%	3		%	—		%	—		%	3		%

(1) Amounts represent the impact of legally enforceable master netting agreements between the same counterparties that allow the Company to net settle all contracts.

Reconciliation of Assets and Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs

The following tables present a reconciliation of the assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three months ended March 31, 2019 and 2018. Level 3 securities available for sale at March 31, 2019 and 2018 primarily consist of direct bank purchase bonds.

	For the Three Months Ended
	March 31, 2019															March 31, 2018
(Dollars in millions)	Trading Account Assets			Securities Available for Sale			Other Assets			Trading Account Liabilities			Other Liabilities			Trading Account Assets			Securities Available for Sale			Other Assets		Trading Account Liabilities			Other Liabilities
Asset (liability) balance, beginning of period	$	13		$	1,331		$	277		$	(13	)	$	(118	)	$	139		$	1,600		$	65	$	(138	)	$	(119	)
Total gains (losses) - realized/unrealized):
Included in income before taxes	2			—			(31		)	(2		)	(1		)	(10		)	—			7		10			—
Included in other comprehensive income	—			11			—			—			—			—			(16		)	—		—			—
Purchases/additions	—			2			140			—			—			—			72			34		—			—
Settlements	(3		)	(76		)	—			3			—			(74		)	(150		)	—		74			—
Asset (liability) balance, end of period	$	12		$	1,268		$	386		$	(12	)	$	(119	)	$	55		$	1,506		$	106	$	(54	)	$	(119	)
Changes in unrealized gains (losses) included in income before taxes for assets and liabilities still held at end of period	$	2		$	—		$	(31	)	$	(2	)	$	(1	)	$	(10	)	$	—		$	7	$	10		$	—

Significant Unobservable Inputs Level 3 Assets and Liabilities

The following table presents information about significant unobservable inputs related to the Company’s significant Level 3 assets and liabilities at March 31, 2019.

	March 31, 2019
(Dollars in millions)	Level 3 Fair Value		Valuation Technique	Significant Unobservable Input(s)	Range of Inputs		Weighted Average
Securities available for sale:
Direct bank purchase bonds	$	1,124	Return on equity	Market-required return on capital	8.0 - 10.0	%	9.5	%
				Probability of default	0.0 - 25.0		0.3
				Loss severity	10.0 - 60.0		22.2

Financial Assets Measured at Fair Value on Nonrecurring Basis

For assets measured at fair value on a nonrecurring basis during the three months ended March 31, 2019 and 2018 that were still held on the consolidated balance sheet as of the respective periods ended, the following tables present the fair value of such assets by the level of valuation assumptions used to determine each fair value adjustment.

	March 31, 2019								For the Three Months Ended March 31, 2019
(Dollars in millions)	Fair Value		Level 1		Level 2		Level 3		Gains (Losses)
Loans held for investment
Impaired loans	$	346	$	—	$	—	$	346	$	(15	)
Other assets
Software	—		—		—		—		(2		)
Premises and equipment, net	—		—		—		—		(1		)
Renewable energy investment	7		—		—		7		(1		)
Other	—		—		—		—		(1		)
Total	$	353	$	—	$	—	$	353	$	(20	)

	March 31, 2018								For the Three Months Ended March 31, 2018
(Dollars in millions)	Fair Value		Level 1		Level 2		Level 3		Gains (Losses)
Loans held for investment
Impaired loans	$	69	$	—	$	—	$	69	$	(1	)
Other assets
Software	—		—		—		—		(2		)
Private equity investments	12		—		—		12		(2		)
Total	$	81	$	—	$	—	$	81	$	(5	)

Carrying Amount and Estimated Fair Value of Financial Instruments

The tables below present the carrying amount and estimated fair value of certain financial instruments, all of which are accounted for at amortized cost, classified by valuation hierarchy level at March 31, 2019 and December 31, 2018.

	March 31, 2019
(Dollars in millions)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	8,919	$	8,919	$	8,919	$	—	$	—
Securities borrowed or purchased under resale agreements	22,860		22,863		—		22,863		—
Securities held to maturity	10,409		10,331		—		10,331		—
Loans held for investment(1)	85,766		86,149		—		—		86,149
Other assets	50		50		50		—		—
Liabilities
Time deposits	$	14,501	$	14,502	$	—	$	14,502	$	—
Securities loaned or sold under repurchase agreements	27,425		27,422		—		27,422		—
Commercial paper and other short-term borrowings	8,843		8,843		—		8,843		—
Long-term debt	17,335		17,448		—		17,448		—
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit	$	98	$	244	$	—	$	—	$	244

(1) Excludes lease financing. The carrying amount is net of the allowance for loan losses.

	December 31, 2018
(Dollars in millions)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	8,350	$	8,350	$	8,350	$	—	$	—
Securities borrowed or purchased under resale agreements	22,368		22,368		—		22,368		—
Securities held to maturity	10,901		10,720		—		10,720		—
Loans held for investment(1)	84,805		84,729		—		—		84,729
Other assets	48		48		48		—		—
Liabilities
Time deposits	$	11,739	$	11,714	$	—	$	11,714	$	—
Securities loaned or sold under repurchase agreements	27,285		27,285		—		27,285		—
Commercial paper and other short-term borrowings	9,263		9,263		—		9,263		—
Long-term debt	17,918		17,961		—		17,961		—
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit	$	120	$	242	$	—	$	—	$	242

(1) Excludes lease financing. The carrying amount is net of the allowance for loan losses.

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Derivative Instruments and Other Financial Instruments Used For Hedging (Tables)

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Notional Amounts, Balance Sheet Location and Fair Value Amounts of Derivative Instruments

The table below presents the notional amounts and fair value amounts of the Company's derivative instruments reported on the consolidated balance sheets, segregated between derivative instruments designated and qualifying as hedging instruments and derivative instruments not designated as hedging instruments at March 31, 2019 and December 31, 2018. Asset and liability values are presented gross, excluding the impact of legally enforceable master netting and credit support annex agreements. The fair value of asset and liability derivatives designated and qualifying as hedging instruments and derivatives designated as other risk management are included in other assets and other liabilities, respectively. The fair value of asset and liability trading derivatives are included in trading account assets and trading account liabilities, respectively.

	March 31, 2019						December 31, 2018
			Fair Value						Fair Value
(Dollars in millions)	Notional Amount		Asset Derivatives		Liability Derivatives		Notional Amount		Asset Derivatives		Liability Derivatives
Derivative instruments
Cash flow hedges:
Interest rate contracts	$	4,116	$	20	$	—	$	674	$	6	$	—
Not designated as hedging instruments:
Trading:
Interest rate contracts	297,213		713		517		189,478		531		600
Commodity contracts	273		18		13		336		25		18
Foreign exchange contracts	8,801		251		157		8,475		260		168
Equity contracts	284		12		12		300		22		13
Other contracts	120		1		1		127		—		—
Total Trading	306,691		995		700		198,716		838		799
Other risk management	2,104		10		5		1,704		27		5
Total derivative instruments	$	312,911	$	1,025	$	705	$	201,094	$	871	$	804

Amount and Location of Gains and Losses for Derivatives Designated as Cash Flow Hedges

The following table presents the amount and location of the net gains and losses recorded in the Company’s consolidated statements of income and changes in stockholders' equity for derivative instruments designated as cash flow hedges for the three months ended March 31, 2019 and 2018.

	Gains (Losses) Recognized in OCI						Gains (Losses) Reclassified from AOCI into Income						Gains (Losses) Recognized in Income (Ineffective Portion)
	For the Three Months Ended March 31,						For the Three Months Ended March 31,						For the Three Months Ended March 31,
(Dollars in millions)	2019		2018			Location	2019			2018		Location	2018
Derivatives in cash flow hedging relationships
						Interest income	$	(19	)	$	—
Interest rate contracts	$	14	$	(79	)	Interest expense	—			—		Noninterest expense	$	—
Total	$	14	$	(79	)		$	(19	)	$	—		$	—

Schedule of derivative gains (losses) on the Company's fair value hedges

The following table presents gains (losses) on the Company's fair value hedges and hedged item for the three months ended March 31, 2018.

	For the Three Months Ended March 31, 2018
(Dollars in millions)	Derivative			Hedged Item		Hedge Ineffectiveness
Interest rate risk on long-term debt	$	(2	)	$	2	$	—
Total	$	(2	)	$	2	$	—

Gain or (Loss) Recognized in Income on Derivative Instruments

The following table presents the amount of the net gains and losses for derivative instruments classified as trading reported in the consolidated statements of income under the heading trading account activities for the three months ended March 31, 2019 and 2018.

	Gains (Losses) Recognized in Income on Trading Derivatives
	For the Three Months Ended
(Dollars in millions)	March 31, 2019			March 31, 2018
Trading derivatives
Interest rate contracts	$	(35	)	$	113
Equity contracts	4			17
Foreign exchange contracts	11			9
Total	$	(20	)	$	139

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Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Components of Accumulated Other Comprehensive Loss

The following tables present the change in each of the components of accumulated other comprehensive income and the related tax effect of the change allocated to each component for the three months endedMarch 31, 2019 and 2018.

Change in Accumulated Other Comprehensive Loss Balances

The following tables present the change in accumulated other comprehensive loss balances.

For the Three Months Ended March 31, 2018 and 2019:
	Net Unrealized Gains (Losses) on Cash Flow Hedges			Net Unrealized Gains (Losses) on Securities			Foreign Currency Translation Adjustment			Pension and Other Postretirement Benefits Adjustment			Other			Accumulated Other Comprehensive Income (Loss)
(Dollars in millions)
Balance, December 31, 2017	$	(174	)	$	(233	)	$	(19	)	$	(600	)	$	—		$	(1,026	)
Other comprehensive income (loss) before reclassifications	(58		)	(193		)	(2		)	—			(1		)	(254		)
Amounts reclassified from AOCI	—			3			—			10			—			13
Transfer to additional paid-in capital(1)	—			—			21			—			—			21
Balance, March 31, 2018	$	(232	)	$	(423	)	$	—		$	(590	)	$	(1	)	$	(1,246	)
Balance, December 31, 2018	$	(220	)	$	(373	)	$	—		$	(730	)	$	(1	)	$	(1,324	)
Other comprehensive income (loss) before reclassifications	10			148			—			—			1			159
Amounts reclassified from AOCI	14			4			—			6			—			24
Balance, March 31, 2019	$	(196	)	$	(221	)	$	—		$	(724	)	$	—		$	(1,141	)

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Employee Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

The following tables summarize the components of net periodic benefit cost for the three months ended March 31, 2019 and 2018. The components of net periodic benefit cost other than the service cost component are included in other noninterest expense in the income statement.

	Pension Benefits						Other Postretirement Benefits						Superannuation, SERP and ESBP
	For the Three Months Ended March 31,						For the Three Months Ended March 31,						For the Three Months Ended March 31,
(Dollars in millions)	2019			2018			2019			2018			2019		2018
Components of net periodic benefit cost:
Service cost	$	19		$	19		$	1		$	1		$	—	$	—
Interest cost	29			25			2			2			1		1
Expected return on plan assets	(64		)	(67		)	(4		)	(5		)	—		—
Amortization of prior service credit	(6		)	(6		)	(4		)	(4		)	—		—
Recognized net actuarial loss	15			22			2			1			1		1
Total net periodic benefit (income) cost	$	(7	)	$	(7	)	$	(3	)	$	(5	)	$	2	$	2

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Commitments, Contingencies and Guarantees (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Summary of Commitments

The following table summarizes the Company's commitments.

(Dollars in millions)	March 31, 2019
Commitments to extend credit	$	33,932
Issued standby and commercial letters of credit	4,685
Commitments to enter into forward-starting resale agreements	20
Other commitments	513

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Business Segments (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Schedule of reportable business segments

As of and for the Three Months Ended March 31, 2019:
(Dollars in millions)	Regional Bank		U.S. Wholesale & Investment Banking			Transaction Banking			MUSA		Other			MUFG Americas Holdings Corporation
Results of operations
Net interest income	$	571	$	100		$	68		$	35	$	9		$	783
Noninterest income	129		88			15			93		307			632
Total revenue	700		188			83			128		316			1,415
Noninterest expense	539		111			73			123		324			1,170
(Reversal of) provision for loan losses	47		(6		)	(1		)	—		(2		)	38
Income (loss) before income taxes and including noncontrolling interests	114		83			11			5		(6		)	207
Income tax expense (benefit) (1)	25		13			3			—		(13		)	28
Net income (loss) including noncontrolling interests	89		70			8			5		7			179
Deduct: net loss from noncontrolling interests	—		—			—			—		5			5
Net income attributable to MUAH	$	89	$	70		$	8		$	5	$	12		$	184
Total assets, end of period	$	74,396	$	20,719		$	797		$	33,930	$	40,865		$	170,707

(1) Income tax expense (benefit) includes certain management accounting classification adjustments.

As of and for the Three Months Ended March 31, 2018:
(Dollars in millions)	Regional Bank		U.S. Wholesale & Investment Banking			Transaction Banking			MUSA		Other			MUFG Americas Holdings Corporation
Results of operations
Net interest income	$	526	$	102		$	64		$	54	$	79		$	825
Noninterest income	111		81			14			88		88			382
Total revenue	637		183			78			142		167			1,207
Noninterest expense	502		102			57			116		307			1,084
(Reversal of) provision for loan losses	12		(18		)	(1		)	—		5			(2		)
Income (loss) before income taxes and including noncontrolling interests	123		99			22			26		(145		)	125
Income tax expense (benefit) (1)	25		138			6			6		(217		)	(42		)
Net income (loss) including noncontrolling interests	98		(39		)	16			20		72			167
Deduct: net (income) loss from noncontrolling interests	—		—			—			—		(1		)	(1		)
Net income (loss) attributable to MUAH	$	98	$	(39	)	$	16		$	20	$	71		$	166
Total assets, end of period	$	68,940	$	20,032		$	933		$	32,661	$	34,744		$	157,310

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Summary of Significant Accounting Policies and Nature of Operations - Schedule of Impact Resulted from ASU 2017-07 Adoption (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Accounting Policies [Abstract]
Salaries and employee benefits	$ 685	$ 670
Other	$ 110	$ 92

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Securities - Amortized Cost, Gross Unrealized Gains, Gross Unrealized Losses, and Fair Values of Securities (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Securities available for sale
Amortized Cost	$ 17,975	$ 16,680
Gross Unrealized Gains	83	41
Gross Unrealized Losses	251	407
Securities Available for Sale	17,807	16,314
U.S. Treasury
Securities available for sale
Amortized Cost	3,574	3,572
Gross Unrealized Gains	3	1
Gross Unrealized Losses	91	144
Securities Available for Sale	3,486	3,429
US Government Agencies Debt Securities [Member]
Securities available for sale
Amortized Cost	1
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Securities Available for Sale	1
U.S. government agency and government-sponsored agencies
Securities available for sale
Amortized Cost	9,169	8,168
Gross Unrealized Gains	26	7
Gross Unrealized Losses	108	168
Securities Available for Sale	9,087	8,007
Privately issued
Securities available for sale
Amortized Cost	942	887
Gross Unrealized Gains	2	0
Gross Unrealized Losses	12	23
Securities Available for Sale	932	864
Privately issued - commercial mortgage-backed securities
Securities available for sale
Amortized Cost	1,441	1,179
Gross Unrealized Gains	17	3
Gross Unrealized Losses	5	20
Securities Available for Sale	1,453	1,162
Collateralized loan obligations
Securities available for sale
Amortized Cost	1,547	1,492
Gross Unrealized Gains	0	0
Gross Unrealized Losses	9	18
Securities Available for Sale	1,538	1,474
Other
Securities available for sale
Amortized Cost	4	4
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Securities Available for Sale	4	4
Asset Liability Management securities
Securities available for sale
Amortized Cost	16,678	15,302
Gross Unrealized Gains	48	11
Gross Unrealized Losses	225	373
Securities Available for Sale	16,501	14,940
Direct bank purchase bonds
Securities available for sale
Amortized Cost	1,115	1,190
Gross Unrealized Gains	35	30
Gross Unrealized Losses	26	30
Securities Available for Sale	1,124	1,190
Other
Securities available for sale
Amortized Cost	182	188
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	4
Securities Available for Sale	$ 182	$ 184

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Securities - Securities Available for Sale with a Continuous Unrealized Loss Position (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Securities available for sale
Securities available for sale, Less than 12 months, Fair Value	$ 3,089	$ 4,677
Securities available for sale, Less than 12 months, Unrealized Losses	20	50
Securities available for sale, 12 months or more, Fair Value	9,584	9,295
Securities available for sale, 12 months or more, Unrealized Losses	231	357
Securities available for sale, Fair Value, Total	12,673	13,972
Securities available for sale, Unrealized Losses, Total	251	407
U.S. Treasury
Securities available for sale
Securities available for sale, Less than 12 months, Fair Value	0	147
Securities available for sale, Less than 12 months, Unrealized Losses	0	1
Securities available for sale, 12 months or more, Fair Value	3,136	3,182
Securities available for sale, 12 months or more, Unrealized Losses	91	143
Securities available for sale, Fair Value, Total	3,136	3,329
Securities available for sale, Unrealized Losses, Total	91	144
US Government Agencies Debt Securities [Member]
Securities available for sale
Securities available for sale, Less than 12 months, Fair Value	1
Securities available for sale, Less than 12 months, Unrealized Losses	0
Securities available for sale, 12 months or more, Fair Value	0
Securities available for sale, 12 months or more, Unrealized Losses	0
Securities available for sale, Fair Value, Total	1
Securities available for sale, Unrealized Losses, Total	0
U.S. government agency and government-sponsored agencies
Securities available for sale
Securities available for sale, Less than 12 months, Fair Value	1,527	1,941
Securities available for sale, Less than 12 months, Unrealized Losses	11	8
Securities available for sale, 12 months or more, Fair Value	4,877	4,797
Securities available for sale, 12 months or more, Unrealized Losses	97	160
Securities available for sale, Fair Value, Total	6,404	6,738
Securities available for sale, Unrealized Losses, Total	108	168
Privately issued
Securities available for sale
Securities available for sale, Less than 12 months, Fair Value	36	398
Securities available for sale, Less than 12 months, Unrealized Losses	0	7
Securities available for sale, 12 months or more, Fair Value	598	383
Securities available for sale, 12 months or more, Unrealized Losses	12	16
Securities available for sale, Fair Value, Total	634	781
Securities available for sale, Unrealized Losses, Total	12	23
Privately issued - commercial mortgage-backed securities
Securities available for sale
Securities available for sale, Less than 12 months, Fair Value	80	364
Securities available for sale, Less than 12 months, Unrealized Losses	0	6
Securities available for sale, 12 months or more, Fair Value	525	512
Securities available for sale, 12 months or more, Unrealized Losses	5	14
Securities available for sale, Fair Value, Total	605	876
Securities available for sale, Unrealized Losses, Total	5	20
Collateralized loan obligations
Securities available for sale
Securities available for sale, Less than 12 months, Fair Value	1,351	1,428
Securities available for sale, Less than 12 months, Unrealized Losses	8	18
Securities available for sale, 12 months or more, Fair Value	32	0
Securities available for sale, 12 months or more, Unrealized Losses	1	0
Securities available for sale, Fair Value, Total	1,383	1,428
Securities available for sale, Unrealized Losses, Total	9	18
Asset Liability Management securities
Securities available for sale
Securities available for sale, Less than 12 months, Fair Value	2,995	4,278
Securities available for sale, Less than 12 months, Unrealized Losses	19	40
Securities available for sale, 12 months or more, Fair Value	9,168	8,874
Securities available for sale, 12 months or more, Unrealized Losses	206	333
Securities available for sale, Fair Value, Total	12,163	13,152
Securities available for sale, Unrealized Losses, Total	225	373
Direct bank purchase bonds
Securities available for sale
Securities available for sale, Less than 12 months, Fair Value	19	221
Securities available for sale, Less than 12 months, Unrealized Losses	1	6
Securities available for sale, 12 months or more, Fair Value	412	417
Securities available for sale, 12 months or more, Unrealized Losses	25	24
Securities available for sale, Fair Value, Total	431	638
Securities available for sale, Unrealized Losses, Total	26	30
Other
Securities available for sale
Securities available for sale, Less than 12 months, Fair Value	75	178
Securities available for sale, Less than 12 months, Unrealized Losses	0	4
Securities available for sale, 12 months or more, Fair Value	4	4
Securities available for sale, 12 months or more, Unrealized Losses	0	0
Securities available for sale, Fair Value, Total	79	182
Securities available for sale, Unrealized Losses, Total	$ 0	$ 4

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Securities - Fair Value of Debt Securities Available for Sale by Contractual Maturity (Details) $ in Millions	Mar. 31, 2019 USD ($)
Securities available for sale
One Year or Less	$ 14
Over One Year Through Five Years	2,243
Over Five Years Through Ten Years	4,451
Over Ten Years	11,099
Total Fair Value	17,807
U.S. Treasury
Securities available for sale
One Year or Less	0
Over One Year Through Five Years	1,301
Over Five Years Through Ten Years	2,185
Over Ten Years	0
Total Fair Value	3,486
US Government Agencies Debt Securities [Member]
Securities available for sale
One Year or Less	1
Over One Year Through Five Years	0
Over Five Years Through Ten Years	0
Over Ten Years	0
Total Fair Value	1
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities
Securities available for sale
One Year or Less	0
Over One Year Through Five Years	341
Over Five Years Through Ten Years	1,272
Over Ten Years	7,474
Total Fair Value	9,087
Privately issued
Securities available for sale
One Year or Less	0
Over One Year Through Five Years	0
Over Five Years Through Ten Years	0
Over Ten Years	932
Total Fair Value	932
Privately issued - commercial mortgage-backed securities
Securities available for sale
One Year or Less	0
Over One Year Through Five Years	33
Over Five Years Through Ten Years	74
Over Ten Years	1,346
Total Fair Value	1,453
Collateralized loan obligations
Securities available for sale
One Year or Less	0
Over One Year Through Five Years	0
Over Five Years Through Ten Years	339
Over Ten Years	1,199
Total Fair Value	1,538
Other
Securities available for sale
One Year or Less	0
Over One Year Through Five Years	4
Over Five Years Through Ten Years	0
Over Ten Years	0
Total Fair Value	4
Asset Liability Management securities
Securities available for sale
One Year or Less	1
Over One Year Through Five Years	1,679
Over Five Years Through Ten Years	3,870
Over Ten Years	10,951
Total Fair Value	16,501
Direct bank purchase bonds
Securities available for sale
One Year or Less	0
Over One Year Through Five Years	414
Over Five Years Through Ten Years	581
Over Ten Years	129
Total Fair Value	1,124
Other
Securities available for sale
One Year or Less	13
Over One Year Through Five Years	150
Over Five Years Through Ten Years	0
Over Ten Years	19
Total Fair Value	$ 182

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Securities - Gross Realized Gains and Losses from Sales of Available for Sale Securities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Investments, Debt and Equity Securities [Abstract]
Gross realized gains	$ 1	$ 0

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Securities - Schedule of Held to Maturity Securities Recognized and Not Recognized in Other Comprehensive Income (OCI) and Fair Values (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Securities held to maturity
Held to Maturity Securities Amortized Cost	$ 10,538	$ 11,038
Held To Maturity Securities Unrealized Holding Gain Recognized in Other Comprehensive Income	1	1
Total, Unrealized Losses, Recognized in OCI	130	138
Held-to-maturity Securities	10,409	10,901
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	63	30
Securities held to maturity, Gross Unrealized Losses, Not Recognized in OCI	141	211
Securities held to maturity	10,331	10,720
U.S. Treasury
Securities held to maturity
Held to Maturity Securities Amortized Cost	427	528
Held To Maturity Securities Unrealized Holding Gain Recognized in Other Comprehensive Income	0	0
Total, Unrealized Losses, Recognized in OCI	0	0
Held-to-maturity Securities	427	528
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	1	1
Securities held to maturity, Gross Unrealized Losses, Not Recognized in OCI	1	2
Securities held to maturity	427	527
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities
Securities held to maturity
Held to Maturity Securities Amortized Cost	7,840	8,302
Held To Maturity Securities Unrealized Holding Gain Recognized in Other Comprehensive Income	1	1
Total, Unrealized Losses, Recognized in OCI	92	96
Held-to-maturity Securities	7,749	8,207
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	39	11
Securities held to maturity, Gross Unrealized Losses, Not Recognized in OCI	122	191
Securities held to maturity	7,666	8,027
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities
Securities held to maturity
Held to Maturity Securities Amortized Cost	1,421	1,486
Held To Maturity Securities Unrealized Holding Gain Recognized in Other Comprehensive Income	0	0
Total, Unrealized Losses, Recognized in OCI	38	42
Held-to-maturity Securities	1,383	1,444
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	23	17
Securities held to maturity, Gross Unrealized Losses, Not Recognized in OCI	18	18
Securities held to maturity	$ 1,388	$ 1,443

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Securities - Securities Held to Maturity with a Continuous Unrealized Loss Position (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Securities held to maturity
Less than 12 months, Fair Value	$ 16	$ 697
Less than 12 months, Unrealized Losses, Recognized in OCI	0	0
Less than 12 months, Unrealized Losses, Not Recognized in OCI	0	11
12 months or more, Fair Value	9,250	9,083
12 months or more, Unrealized Losses, Recognized in OCI	130	138
12 months or more, Unrealized Losses, Not Recognized in OCI	141	200
Total, Fair Value	9,266	9,780
Total, Unrealized Losses, Recognized in OCI	130	138
Total, Unrealized Losses, Not Recognized in OCI	141	211
Securities held to maturity	10,331	10,720
Held-to-maturity Securities	10,409	10,901
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	63	30
Held to Maturity Securities Amortized Cost	10,538	11,038
Held To Maturity Securities Unrealized Holding Gain Recognized in Other Comprehensive Income	1	1
U.S. Treasury securities
Securities held to maturity
Less than 12 months, Fair Value	0
Less than 12 months, Unrealized Losses, Recognized in OCI	0
Less than 12 months, Unrealized Losses, Not Recognized in OCI	0
12 months or more, Fair Value	398
12 months or more, Unrealized Losses, Recognized in OCI	0
12 months or more, Unrealized Losses, Not Recognized in OCI	1
Total, Fair Value	398	496
Total, Unrealized Losses, Recognized in OCI	0	0
Total, Unrealized Losses, Not Recognized in OCI	1	2
Securities held to maturity	427	527
Held-to-maturity Securities	427	528
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	1	1
Held to Maturity Securities Amortized Cost	427	528
Held To Maturity Securities Unrealized Holding Gain Recognized in Other Comprehensive Income	0	0
US Government Agencies Debt Securities [Member]
Securities held to maturity
Less than 12 months, Fair Value		0
Less than 12 months, Unrealized Losses, Recognized in OCI		0
Less than 12 months, Unrealized Losses, Not Recognized in OCI		0
12 months or more, Fair Value		496
12 months or more, Unrealized Losses, Recognized in OCI		0
12 months or more, Unrealized Losses, Not Recognized in OCI		2
Total, Unrealized Losses, Recognized in OCI	0	0
Total, Unrealized Losses, Not Recognized in OCI	0	0
Securities held to maturity	850	723
Held-to-maturity Securities	850	722
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0	1
Held to Maturity Securities Amortized Cost	850	722
Held To Maturity Securities Unrealized Holding Gain Recognized in Other Comprehensive Income	0	0
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities
Securities held to maturity
Less than 12 months, Fair Value	0	668
Less than 12 months, Unrealized Losses, Recognized in OCI	0	0
Less than 12 months, Unrealized Losses, Not Recognized in OCI	0	11
12 months or more, Fair Value	7,479	7,191
12 months or more, Unrealized Losses, Recognized in OCI	92	96
12 months or more, Unrealized Losses, Not Recognized in OCI	122	180
Total, Fair Value	7,479	7,859
Total, Unrealized Losses, Recognized in OCI	92	96
Total, Unrealized Losses, Not Recognized in OCI	122	191
Securities held to maturity	7,666	8,027
Held-to-maturity Securities	7,749	8,207
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	39	11
Held to Maturity Securities Amortized Cost	7,840	8,302
Held To Maturity Securities Unrealized Holding Gain Recognized in Other Comprehensive Income	1	1
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities
Securities held to maturity
Less than 12 months, Fair Value	16	29
Less than 12 months, Unrealized Losses, Recognized in OCI	0	0
Less than 12 months, Unrealized Losses, Not Recognized in OCI	0	0
12 months or more, Fair Value	1,373	1,396
12 months or more, Unrealized Losses, Recognized in OCI	38	42
12 months or more, Unrealized Losses, Not Recognized in OCI	18	18
Total, Fair Value	1,389	1,425
Total, Unrealized Losses, Recognized in OCI	38	42
Total, Unrealized Losses, Not Recognized in OCI	18	18
Securities held to maturity	1,388	1,443
Held-to-maturity Securities	1,383	1,444
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	23	17
Held to Maturity Securities Amortized Cost	1,421	1,486
Held To Maturity Securities Unrealized Holding Gain Recognized in Other Comprehensive Income	$ 0	$ 0

XML

Securities - Carrying Amount and Fair Value of Securities Held to Maturity by Contractual Maturity (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Securities held to maturity
Within One Year, Carrying Amount	$ 444
Within One Year, Fair Value	444
Over One Year Through Five Years, Carrying Amount	1,280
Over One Year Through Five Years, Fair Value	1,295
Over Five Years Through Ten Years, Carrying Amount	1,295
Over Five Years Through Ten Years, Fair Value	1,286
Over Ten Years, Carrying Amount	7,390
Over Ten Years, Fair Value	7,306
Total securities held to maturity, carrying amount	10,409	$ 10,901
Securities held to maturity	10,331	10,720
U.S. Treasury
Securities held to maturity
Within One Year, Carrying Amount	423
Within One Year, Fair Value	423
Over One Year Through Five Years, Carrying Amount	4
Over One Year Through Five Years, Fair Value	4
Over Five Years Through Ten Years, Carrying Amount	0
Over Five Years Through Ten Years, Fair Value	0
Over Ten Years, Carrying Amount	0
Over Ten Years, Fair Value	0
Total securities held to maturity, carrying amount	427	528
Securities held to maturity	427	527
US Government Agencies Debt Securities [Member]
Securities held to maturity
Within One Year, Carrying Amount	0
Within One Year, Fair Value	0
Over One Year Through Five Years, Carrying Amount	500
Over One Year Through Five Years, Fair Value	500
Over Five Years Through Ten Years, Carrying Amount	350
Over Five Years Through Ten Years, Fair Value	350
Over Ten Years, Carrying Amount	0
Over Ten Years, Fair Value	0
Total securities held to maturity, carrying amount	850	722
Securities held to maturity	850	723
U.S. government agency and government-sponsored agencies - residential mortgage-backed securities
Securities held to maturity
Within One Year, Carrying Amount	0
Within One Year, Fair Value	0
Over One Year Through Five Years, Carrying Amount	0
Over One Year Through Five Years, Fair Value	0
Over Five Years Through Ten Years, Carrying Amount	945
Over Five Years Through Ten Years, Fair Value	936
Over Ten Years, Carrying Amount	6,804
Over Ten Years, Fair Value	6,730
Total securities held to maturity, carrying amount	7,749	8,207
Securities held to maturity	7,666	$ 8,027
U.S. government agency and government-sponsored agencies - commercial mortgage-backed securities
Securities held to maturity
Within One Year, Carrying Amount	21
Within One Year, Fair Value	21
Over One Year Through Five Years, Carrying Amount	776
Over One Year Through Five Years, Fair Value	791
Over Five Years Through Ten Years, Carrying Amount	0
Over Five Years Through Ten Years, Fair Value	0
Over Ten Years, Carrying Amount	586
Over Ten Years, Fair Value	576
Total securities held to maturity, carrying amount	1,383
Securities held to maturity	$ 1,388

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Securities - Securities Pledged and Received as Collateral (Narrative) (Details) - USD ($) $ in Billions	Mar. 31, 2019	Dec. 31, 2018
Investments, Debt and Equity Securities [Abstract]
Available for sale and trading securities pledged as collateral	$ 10.6	$ 11.9
Available for sale and trading securities permitted to be sold or repledged	2.0	1.3
Securities received as collateral	32.1	33.1
Securities received as collateral permitted to be sold or repledged	32.1	$ 33.1
Securities received as collateral that have been sold or repledged	$ 31.2

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Loans and Allowance for Loan Losses - Summary of Loans (Details) - USD ($) $ in Millions		Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Loans disclosures
Loans held for investment	[1]	$ 87,587	$ 86,507
Allowance for loan losses		(516)	(474)	$ (460)	$ (476)
Loans held for investment, net		87,071	86,033
Net unamortized discounts and premiums and deferred fees and costs		343	340
Commercial
Loans disclosures
Loans held for investment		43,615	43,135
Allowance for loan losses		(389)	(359)	(371)	(360)
Consumer
Loans disclosures
Loans and Leases Receivable Net of Deferred Income and Purchased Credit Impaired Loans		43,967	43,366
Loans held for investment		43,972	43,372
Allowance for loan losses		(122)	(110)	$ (84)	$ (86)
Commercial and industrial | Commercial Loans
Loans disclosures
Loans and Leases Receivable Net of Deferred Income and Purchased Credit Impaired Loans		25,303	24,919
Commercial mortgage | Commercial Loans
Loans disclosures
Loans and Leases Receivable Net of Deferred Income and Purchased Credit Impaired Loans		15,299	15,354
Construction | Commercial Loans
Loans disclosures
Loans and Leases Receivable Net of Deferred Income and Purchased Credit Impaired Loans		1,691	1,613
Lease financing | Commercial Loans
Loans disclosures
Loans and Leases Receivable Net of Deferred Income and Purchased Credit Impaired Loans		1,322	1,249
Residential mortgage | Consumer Loans
Loans disclosures
Loans and Leases Receivable Net of Deferred Income and Purchased Credit Impaired Loans		38,439	38,439
Home equity and other consumer loans | Consumer Loans
Loans disclosures
Loans and Leases Receivable Net of Deferred Income and Purchased Credit Impaired Loans		$ 5,533	$ 4,933

[1] Includes $343 million and $340 million at March 31, 2019 and December 31, 2018, respectively, for net unamortized (discounts) and premiums and deferred (fees) and costs.

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Loans and Allowance for Loan Losses - Reconciliation of Changes in Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses, beginning of period	$ 474	$ 476
(Reversal of) provision for loan losses	59	(5)
Loans charged-off	(28)	(16)
Recoveries of loans previously charged-off	11	5
Allowance for loan losses, end of period	516	460
Commercial
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses, beginning of period	359	360
(Reversal of) provision for loan losses	32	14
Recoveries of loans previously charged-off		3
Allowance for loan losses, end of period	389	371
Consumer
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses, beginning of period	110	86
(Reversal of) provision for loan losses	27	6
Recoveries of loans previously charged-off		2
Allowance for loan losses, end of period	122	84
Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses, beginning of period		30
(Reversal of) provision for loan losses	0	(25)
Loans charged-off	0	0
Recoveries of loans previously charged-off	0	0
Allowance for loan losses, end of period	5	5
Commercial Loans
Allowance for Loan and Lease Losses [Roll Forward]
Loans charged-off	(11)	(6)
Recoveries of loans previously charged-off	9
Commercial Loans | Commercial
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses, beginning of period	359
Consumer Loans
Allowance for Loan and Lease Losses [Roll Forward]
Loans charged-off	(17)	$ (10)
Recoveries of loans previously charged-off	2
Consumer Loans | Consumer
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses, beginning of period	$ 110

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Loans and Allowance for Loan Losses - Allowance for Loan Losses and Related Loan Balances by Portfolio Segment (Details) - USD ($) $ in Millions		Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Loan losses allowance
Individually evaluated for impairment		$ 122	$ 75
Collectively evaluated for impairment		394	399
Total allowance for loan losses		516	474	$ 460	$ 476
Loans held for investment:
Individually evaluated for impairment		928	730
Collectively evaluated for impairment		86,659	85,777
Loans held for investment	[1]	87,587	86,507
Commercial
Loan losses allowance
Total allowance for loan losses		389	359	371	360
Loans held for investment:
Loans held for investment		43,615	43,135
Consumer
Loan losses allowance
Total allowance for loan losses		122	110	84	86
Loans held for investment:
Loans held for investment		43,972	43,372
Unallocated
Loan losses allowance
Total allowance for loan losses		5		$ 5	$ 30
Loans held for investment:
Individually evaluated for impairment		0
Collectively evaluated for impairment		0
Loans held for investment		0
Unallocated
Loan losses allowance
Individually evaluated for impairment		0
Collectively evaluated for impairment		5
Total allowance for loan losses			5
Loans held for investment:
Loans held for investment			0
Unallocated | Unallocated
Loan losses allowance
Total allowance for loan losses			5
Commercial Loans
Loan losses allowance
Individually evaluated for impairment		109	62
Collectively evaluated for impairment		280	297
Loans held for investment:
Individually evaluated for impairment		654	450
Collectively evaluated for impairment		42,961	42,685
Commercial Loans | Commercial
Loan losses allowance
Total allowance for loan losses			359
Consumer Loans
Loan losses allowance
Individually evaluated for impairment		13	13
Collectively evaluated for impairment		109	97
Loans held for investment:
Individually evaluated for impairment		274	280
Collectively evaluated for impairment		$ 43,698	43,092
Consumer Loans | Consumer
Loan losses allowance
Total allowance for loan losses			110
Purchased Credit Impaired Loan [Member]
Loan losses allowance
Individually evaluated for impairment			0
Collectively evaluated for impairment			5
Loans held for investment:
Individually evaluated for impairment			0
Collectively evaluated for impairment			$ 0

[1] Includes $343 million and $340 million at March 31, 2019 and December 31, 2018, respectively, for net unamortized (discounts) and premiums and deferred (fees) and costs.

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Loans and Allowance for Loan Losses - Summary of Nonaccrual Loans (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Nonaccrual loans
Nonaccrual loans	$ 634	$ 421
Troubled debt restructured loans that continue to accrue interest	296	299
Troubled debt restructured nonaccrual loans (included in the total nonaccrual loans above)	163	136
Commercial
Nonaccrual loans
Nonaccrual loans	490	281
Consumer
Nonaccrual loans
Nonaccrual loans	144	140
Residential mortgage | Consumer Loans
Nonaccrual loans
Nonaccrual loans	124	121
Home equity and other consumer loans | Consumer Loans
Nonaccrual loans
Nonaccrual loans	20	19
Commercial mortgage | Commercial Loans
Nonaccrual loans
Nonaccrual loans	12	12
Commercial and industrial | Commercial Loans
Nonaccrual loans
Nonaccrual loans	$ 478	$ 269

XML

Loans and Allowance for Loan Losses - Aging of Balance of Loans Held for Investment By Class (Details) - USD ($) $ in Millions		Mar. 31, 2019	Dec. 31, 2018
Aging of loans
Current		$ 87,086	$ 86,151
30 to 89 Days Past Due		417	258
90 Days or More Past Due		84	98
Total past due		501	356
Loans held for investment	[1]	87,587	86,507
Loans 90 days or more past due and still accruing		13	23
Commercial
Aging of loans
Current		43,339	43,040
30 to 89 Days Past Due		247	55
90 Days or More Past Due		29	40
Total past due		276	95
Loans held for investment		43,615	43,135
Consumer
Aging of loans
Current		43,747	43,111
30 to 89 Days Past Due		170	203
90 Days or More Past Due		55	58
Total past due		225	261
Loans held for investment		43,972	43,372
Home equity and other consumer loans | Consumer Loans
Aging of loans
Current		5,491	4,893
30 to 89 Days Past Due		29	28
90 Days or More Past Due		13	12
Total past due		42	40
Loans held for investment		5,533	4,933
Residential mortgage | Consumer Loans
Aging of loans
Current		38,256	38,218
30 to 89 Days Past Due		141	175
90 Days or More Past Due		42	46
Total past due		183	221
Loans held for investment		38,439	38,439
Commercial mortgage | Commercial Loans
Aging of loans
Current		15,273	15,333
30 to 89 Days Past Due		22	17
90 Days or More Past Due		4	4
Total past due		26	21
Loans held for investment		15,299	15,354
Commercial and industrial | Commercial Loans
Aging of loans
Current		26,381	26,114
30 to 89 Days Past Due		220	18
90 Days or More Past Due		24	36
Total past due		244	54
Loans held for investment		26,625	26,168
Construction | Commercial Loans
Aging of loans
Current		1,685	1,593
30 to 89 Days Past Due		5	20
90 Days or More Past Due		1	0
Total past due		6	20
Loans held for investment		$ 1,691	$ 1,613

[1] Includes $343 million and $340 million at March 31, 2019 and December 31, 2018, respectively, for net unamortized (discounts) and premiums and deferred (fees) and costs.

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Loans and Allowance for Loan Losses - Loans in Commercial Portfolio Segment Monitored for Credit Quality Based on Regulatory Risk Ratings (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Commercial
Aging of loans
Total loans	$ 43,615	$ 43,135
Commercial | Pass
Aging of loans
Total loans	41,875	41,871
Commercial | Special Mention
Aging of loans
Total loans	801	468
Commercial | Classified
Aging of loans
Total loans	939	796
Commercial | Commercial and industrial
Aging of loans
Total loans	26,625	26,168
Commercial | Commercial mortgage
Aging of loans
Total loans	15,299	15,354
Commercial | Construction
Aging of loans
Total loans	1,691	1,613
Commercial mortgage | Commercial Loans | Pass
Aging of loans
Total loans	15,018	15,138
Commercial mortgage | Commercial Loans | Special Mention
Aging of loans
Total loans	121	105
Commercial mortgage | Commercial Loans | Classified
Aging of loans
Total loans	160	111
Commercial and industrial | Commercial Loans | Pass
Aging of loans
Total loans	25,339	25,191
Commercial and industrial | Commercial Loans | Special Mention
Aging of loans
Total loans	569	355
Commercial and industrial | Commercial Loans | Classified
Aging of loans
Total loans	717	622
Construction | Commercial Loans | Pass
Aging of loans
Total loans	1,518	1,542
Construction | Commercial Loans | Special Mention
Aging of loans
Total loans	111	8
Construction | Commercial Loans | Classified
Aging of loans
Total loans	$ 62	$ 63

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Loans and Allowance for Loan Losses - Loans in Consumer Portfolio an Purchased credit-impaired loans (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Consumer portfolio loans
Nonaccrual	$ 634	$ 421
Consumer
Consumer portfolio loans
Loans covered by FDIC loss share agreements	5	6
Accrual	43,823	43,226
Nonaccrual	144	140
Total loans held for investment, before purchased credit-impaired loans	43,967	43,366
Consumer | Residential Mortgage
Consumer portfolio loans
Total loans held for investment, before purchased credit-impaired loans	38,436	38,435
Consumer | Home equity and other consumer loans
Consumer portfolio loans
Total loans held for investment, before purchased credit-impaired loans	5,531	4,931
Residential Mortgage | Consumer Loans Portfolio Segment [Member]
Consumer portfolio loans
Accrual	38,312	38,314
Nonaccrual	124	121
Home equity and other consumer loans | Consumer Loans Portfolio Segment [Member]
Consumer portfolio loans
Accrual	5,511	4,912
Nonaccrual	$ 20	$ 19

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Loans and Allowance for Loan Losses - Loans in Consumer Portfolio Segment Based on Refreshed FICO Scores (Details) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
		Mar. 31, 2019		Dec. 31, 2018
Consumer Loans
Credit quality of consumer loans
Percentage of total		100.00%		100.00%
Consumer
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		$ 43,522		$ 42,894
Consumer | FICO Score 720 and Above
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		35,404		34,938
Consumer | FICO Score Below 720
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		7,662		7,470
Consumer | No FICO Available
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements	[1]	456		486
Consumer | Residential mortgage
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		38,046		38,045
Consumer | Home equity and other consumer loans
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		$ 5,476		$ 4,849
FICO Score 720 and Above | Consumer Loans
Credit quality of consumer loans
Percentage of total		81.00%		82.00%
FICO Score 720 and Above | Residential mortgage | Consumer Loans
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		$ 31,693		$ 31,589
FICO Score 720 and Above | Home equity and other consumer loans | Consumer Loans
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		$ 3,711		$ 3,349
FICO Score Below 720 | Consumer Loans
Credit quality of consumer loans
Percentage of total		18.00%		17.00%
FICO Score Below 720 | Residential mortgage | Consumer Loans
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		$ 5,950		$ 6,022
FICO Score Below 720 | Home equity and other consumer loans | Consumer Loans
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		$ 1,712		$ 1,448
No FICO Available | Consumer Loans
Credit quality of consumer loans
Percentage of total		1.00%	[1]	1.00%
No FICO Available | Residential mortgage | Consumer Loans
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		$ 403		$ 434
No FICO Available | Home equity and other consumer loans | Consumer Loans
Credit quality of consumer loans
Loan balances, excluding loans serviced by third parties and loans covered by FDIC loss share agreements		$ 53		$ 52

[1] Represents loans for which management was not able to obtain an updated FICO score (e.g., due to recent profile changes).

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Loans and Allowance for Loan Losses - Loans in Consumer Portfolio Segment Based on Refreshed LTV ratios (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
		Mar. 31, 2019	Dec. 31, 2018
Consumer Loans
Credit quality of consumer loans
Percentage of total loans categorized by LTV ratio		100.00%	100.00%
Consumer
Credit quality of consumer loans
Loans categorized by LTV ratio		$ 40,236	$ 40,267
Consumer | Less than or Equal to 80 Percent
Credit quality of consumer loans
Loans categorized by LTV ratio		37,773	38,570
Consumer | Greater than 80 and Less than 100 Percent
Credit quality of consumer loans
Loans categorized by LTV ratio		2,345	1,582
Consumer | Greater than or Equal to 100 Percent
Credit quality of consumer loans
Loans categorized by LTV ratio		21	16
Consumer | No LTV Available
Credit quality of consumer loans
Loans categorized by LTV ratio	[1]	97	99
Consumer | Residential mortgage
Credit quality of consumer loans
Loans categorized by LTV ratio		38,046	38,044
Consumer | Home equity loans
Credit quality of consumer loans
Loans categorized by LTV ratio		$ 2,190	$ 2,223
Less than or Equal to 80 Percent | Consumer Loans
Credit quality of consumer loans
Percentage of total loans categorized by LTV ratio		94.00%	96.00%
Less than or Equal to 80 Percent | Home Equity Line of Credit [Member] | Consumer Loans
Credit quality of consumer loans
Loans categorized by LTV ratio		$ 1,914	$ 1,966
Less than or Equal to 80 Percent | Residential mortgage | Consumer Loans
Credit quality of consumer loans
Loans categorized by LTV ratio		$ 35,859	$ 36,604
Greater than 80 and Less than 100 Percent | Consumer Loans
Credit quality of consumer loans
Percentage of total loans categorized by LTV ratio		6.00%	4.00%
Greater than 80 and Less than 100 Percent | Home Equity Line of Credit [Member] | Consumer Loans
Credit quality of consumer loans
Loans categorized by LTV ratio		$ 239	$ 221
Greater than 80 and Less than 100 Percent | Residential mortgage | Consumer Loans
Credit quality of consumer loans
Loans categorized by LTV ratio		$ 2,106	$ 1,361
Greater than or Equal to 100 Percent | Consumer Loans
Credit quality of consumer loans
Percentage of total loans categorized by LTV ratio		0.00%	0.00%
Greater than or Equal to 100 Percent | Home Equity Line of Credit [Member] | Consumer Loans
Credit quality of consumer loans
Loans categorized by LTV ratio		$ 13	$ 12
Greater than or Equal to 100 Percent | Residential mortgage | Consumer Loans
Credit quality of consumer loans
Loans categorized by LTV ratio		$ 8	$ 4
No LTV Available | Consumer Loans
Credit quality of consumer loans
Percentage of total loans categorized by LTV ratio		0.00%	0.00%
No LTV Available | Home Equity Line of Credit [Member] | Consumer Loans
Credit quality of consumer loans
Loans categorized by LTV ratio		$ 24	$ 24
No LTV Available | Residential mortgage | Consumer Loans
Credit quality of consumer loans
Loans categorized by LTV ratio		$ 73	$ 75

[1] Represents loans for which management was not able to obtain refreshed property values.

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Loans and Allowance for Loan Losses - Summary of Troubled Debt Restructurings (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Pre- and Post - modification recorded investments
Commitment to lend additional funds to borrowers with loan modifications classified as TDRs	$ 45	$ 49
Financing Receivable, Modifications, Recorded Investment	459	435
Commercial
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment	246	218
Consumer
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment	213	217
Construction | Commercial Loans
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment	62	63
Home equity and other consumer loans | Consumer Loans
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment	21	21
Residential mortgage | Consumer Loans
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment	192	196
Commercial mortgage | Commercial Loans
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment	47	46
Commercial and industrial | Commercial Loans
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment	$ 137	$ 109

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Loans and Allowance for Loan Losses - Pre- and Post-Modification Outstanding Recorded Investment Amounts of Troubled Debt Restructurings (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment		$ 459		$ 435
Pre-Modification Outstanding Recorded Investment	[1]	48	$ 15
Post-Modification Outstanding Recorded Investment	[2]	48	15
Commercial
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment		246		218
Pre-Modification Outstanding Recorded Investment	[1]	43	14
Post-Modification Outstanding Recorded Investment	[2]	43	14
Commercial | Commercial and industrial
Pre- and Post - modification recorded investments
Pre-Modification Outstanding Recorded Investment		41	14
Post-Modification Outstanding Recorded Investment		41	14
Consumer
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment		213		217
Pre-Modification Outstanding Recorded Investment	[1]	5	1
Post-Modification Outstanding Recorded Investment	[2]	5	1
Consumer | Residential mortgage
Pre- and Post - modification recorded investments
Pre-Modification Outstanding Recorded Investment		4	1
Post-Modification Outstanding Recorded Investment		4	$ 1
Home equity and other consumer loans | Consumer Loans Portfolio Segment [Member]
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment		21		21
Pre-Modification Outstanding Recorded Investment		1
Post-Modification Outstanding Recorded Investment		1
Commercial Mortgage [Member] | Commercial Loans Portfolio Segment [Member]
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment		47		46
Pre-Modification Outstanding Recorded Investment		2
Post-Modification Outstanding Recorded Investment		2
Construction | Commercial Loans Portfolio Segment [Member]
Pre- and Post - modification recorded investments
Financing Receivable, Modifications, Recorded Investment		$ 62		$ 63

[1] Represents the recorded investment in the loan immediately prior to the restructuring event.

[2] Represents the recorded investment in the loan immediately following the restructuring event. It includes the effect of paydowns that were required as part of the restructuring terms.

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Loans and Allowance for Loan Losses - Recorded Investment Amounts of Troubled Debt Restructurings (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Troubled debt restructured loans
Minimum defaulting period	60 days
Total troubled debt restructured loans at date of default	$ 1
Commercial
Troubled debt restructured loans
Total troubled debt restructured loans at date of default	1
Consumer
Troubled debt restructured loans
Total troubled debt restructured loans at date of default	0
Home Equity and Other Consumer Loans [Member] | Consumer Loans
Troubled debt restructured loans
Total troubled debt restructured loans at date of default	0
Commercial and industrial | Commercial Loans Portfolio Segment [Member]
Troubled debt restructured loans
Total troubled debt restructured loans at date of default	0
Commercial mortgage | Commercial Loans Portfolio Segment [Member]
Troubled debt restructured loans
Total troubled debt restructured loans at date of default	1
Residential mortgage | Consumer Loans
Troubled debt restructured loans
Total troubled debt restructured loans at date of default	$ 0

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Loans and Allowance for Loan Losses - Information about Impaired Loans by Class (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Loan impairment
Recorded investment with an allowance	$ 725	$ 521
Recorded investment without an allowance	203	209
Impaired loans	928	730
Allowance for impaired loans	122	75
Unpaid principal balance with an allowance	801	603
Unpaid principal balance without an allowance	259	249
Commercial
Loan impairment
Recorded investment with an allowance	533	324
Recorded investment without an allowance	121	126
Impaired loans	654	450
Allowance for impaired loans	109	62
Unpaid principal balance with an allowance	600	397
Unpaid principal balance without an allowance	154	143
Commercial | Construction
Loan impairment
Recorded investment with an allowance	0	0
Recorded investment without an allowance	62	63
Impaired loans	62	63
Allowance for impaired loans	0	0
Unpaid principal balance with an allowance	0	0
Unpaid principal balance without an allowance	62	63
Consumer
Loan impairment
Recorded investment with an allowance	192	197
Recorded investment without an allowance	82	83
Impaired loans	274	280
Allowance for impaired loans	13	13
Unpaid principal balance with an allowance	201	206
Unpaid principal balance without an allowance	105	106
Home equity and other consumer loans | Consumer Loans
Loan impairment
Recorded investment with an allowance	22	22
Recorded investment without an allowance	11	12
Impaired loans	33	34
Allowance for impaired loans	1	1
Unpaid principal balance with an allowance	22	22
Unpaid principal balance without an allowance	20	21
Commercial mortgage | Commercial Loans Portfolio Segment [Member]
Loan impairment
Recorded investment with an allowance	22	25
Recorded investment without an allowance	42	41
Impaired loans	64	66
Allowance for impaired loans	1	1
Unpaid principal balance with an allowance	22	25
Unpaid principal balance without an allowance	42	41
Commercial and industrial | Commercial Loans Portfolio Segment [Member]
Loan impairment
Recorded investment with an allowance	511	299
Recorded investment without an allowance	17	22
Impaired loans	528	321
Allowance for impaired loans	108	61
Unpaid principal balance with an allowance	578	372
Unpaid principal balance without an allowance	50	39
Residential mortgage | Consumer Loans
Loan impairment
Recorded investment with an allowance	170	175
Recorded investment without an allowance	71	71
Impaired loans	241	246
Allowance for impaired loans	12	12
Unpaid principal balance with an allowance	179	184
Unpaid principal balance without an allowance	$ 85	$ 85

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Loans and Allowance for Loan Losses - Average Investment in Impaired Loans and Interest Income Recognized for Impaired Loans (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Loan impairment
Average Recorded Investment	$ 834	$ 771
Recognized Interest Income	11	19
Commercial
Loan impairment
Average Recorded Investment	557	458
Recognized Interest Income	6	14
Consumer
Loan impairment
Average Recorded Investment	277	313
Recognized Interest Income	5	5
Commercial and industrial | Commercial Loans Portfolio Segment [Member]
Loan impairment
Average Recorded Investment	430	293
Recognized Interest Income	3	2
Construction | Commercial Loans Portfolio Segment [Member]
Loan impairment
Average Recorded Investment	62	128
Recognized Interest Income	1	2
Home equity and other consumer loans | Consumer Loans
Loan impairment
Average Recorded Investment	33	41
Recognized Interest Income	2	1
Residential mortgage | Consumer Loans
Loan impairment
Average Recorded Investment	244	272
Recognized Interest Income	3	4
Commercial mortgage | Commercial Loans Portfolio Segment [Member]
Loan impairment
Average Recorded Investment	65	37
Recognized Interest Income	$ 2	$ 10

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Loans and Allowance for Loan Losses - Loan Transfers from Held to Investment to Held for Sale and Proceeds from Sales of Loans (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Loans disclosures
Net Transfer of Loans Held for Investment to (from) Loans Held for Sale	$ 71	$ (91)
Proceeds from Sale	121	240
Commercial
Loans disclosures
Net Transfer of Loans Held for Investment to (from) Loans Held for Sale	71	(91)
Proceeds from Sale	121	240
Consumer
Loans disclosures
Net Transfer of Loans Held for Investment to (from) Loans Held for Sale	0	0
Proceeds from Sale	$ 0	$ 0

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Variable Interest Entities - Consolidated VIEs (Details) $ in Millions	Mar. 31, 2019 USD ($) investment	Dec. 31, 2018 USD ($)
Variable Interest Entities
Interest bearing deposits in banks	$ 7,003	$ 6,289
Consolidated Assets
Other Assets	9,378	9,620
Consolidated Liabilities
Other Liabilities	3,339	2,048
Consolidated VIEs
Variable Interest Entities
Interest bearing deposits in banks	0	0
Consolidated Assets
Loans Held for Investment, Net	490	570
Other Assets	159	165
Total Assets	649	735
Consolidated Liabilities
Other Liabilities	17	17
Total Liabilities	17	17
Consolidated VIEs | LIHC investments
Variable Interest Entities
Interest bearing deposits in banks	0	0
Consolidated Assets
Loans Held for Investment, Net	0	0
Other Assets	38	43
Total Assets	38	43
Consolidated Liabilities
Other Liabilities	0	0
Total Liabilities	$ 0	0
Number of LIHC investment fund | investment	2
Consolidated VIEs | Leasing investments
Variable Interest Entities
Interest bearing deposits in banks	$ 0	0
Consolidated Assets
Loans Held for Investment, Net	490	570
Other Assets	121	122
Total Assets	611	692
Consolidated Liabilities
Other Liabilities	17	17
Total Liabilities	$ 17	$ 17

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Variable Interest Entities - Unconsolidated VIEs (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Unconsolidated Assets
Interest Bearing Deposits in Banks		$ 7,003		$ 6,289
Securities Available for Sale		17,807		16,314
Loans held for investment	[1]	87,587		86,507
Other Assets		9,378		9,620
Unconsolidated Liabilities
Other Liabilities		3,339		2,048
Unconsolidated VIEs
Unconsolidated Assets
Interest Bearing Deposits in Banks		26		26
Securities Available for Sale		28		28
Loans held for investment		234		217
Other Assets		2,403		2,412
Total Assets		2,691		2,683
Unconsolidated Liabilities
Other Liabilities		221		179
Total Liabilities		221		179
Maximum Exposure to Loss		2,752		2,748
Unconsolidated VIEs | LIHC investments
Variable Interest Entities
Liabilities Assumed		55	$ 23
Unconsolidated Assets
Interest Bearing Deposits in Banks		0		0
Securities Available for Sale		28		28
Loans held for investment		216		198
Other Assets		998		976
Total Assets		1,242		1,202
Unconsolidated Liabilities
Other Liabilities		207		165
Total Liabilities		207		165
Maximum Exposure to Loss		1,242		1,202
Unconsolidated VIEs | Leasing investments
Unconsolidated Assets
Interest Bearing Deposits in Banks		26		26
Securities Available for Sale		0		0
Loans held for investment		18		19
Other Assets		1,365		1,401
Total Assets		1,409		1,446
Unconsolidated Liabilities
Other Liabilities		14		14
Total Liabilities		14		14
Maximum Exposure to Loss		1,430		1,467
Unconsolidated VIEs | Other investments
Unconsolidated Assets
Interest Bearing Deposits in Banks		0		0
Securities Available for Sale		0		0
Loans held for investment		0		0
Other Assets		40		35
Total Assets		40		35
Unconsolidated Liabilities
Other Liabilities		0		0
Total Liabilities		0		0
Maximum Exposure to Loss		$ 80		$ 79

[1] Includes $343 million and $340 million at March 31, 2019 and December 31, 2018, respectively, for net unamortized (discounts) and premiums and deferred (fees) and costs.

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Variable Interest Entities - Unconsolidated LIHC Investments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other Non Interest Expenses
Noncontrolling Interest [Line Items]
Losses from LIHC investments included in other noninterest expense	$ 2	$ 2
Income Tax Expense
Noncontrolling Interest [Line Items]
Amortization of LIHC investments included in income tax expense	34	34
Tax credits and other tax benefits from LIHC investments included in income tax expense	$ 45	$ 44

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Securities Financing Arrangements - Secured Borrowings by Contractual Maturity and Class of Collateral Pledged (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	$ 36,679	$ 38,891
Securities loaned	694	93
Overnight and continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	18,109
Securities loaned	443	93
Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	6,288
Securities loaned	251	0
31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	10,154
Securities loaned	0	0
Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	1,434
Securities loaned	0	0
U.S. Treasury securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	16,396	15,687
U.S. Treasury securities | Maturity Overnight and on Demand [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		9,416
U.S. Treasury securities | Overnight and continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	9,996
U.S. Treasury securities | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	3,726	2,945
U.S. Treasury securities | 31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	1,840	2,991
U.S. Treasury securities | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	834	335
U.S. government-sponsored agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	142	319
U.S. government-sponsored agency securities | Maturity Overnight and on Demand [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		264
U.S. government-sponsored agency securities | Overnight and continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	99
U.S. government-sponsored agency securities | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	2	0
U.S. government-sponsored agency securities | 31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	41	55
U.S. government-sponsored agency securities | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0	0
Other sovereign government obligations
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	3
Other sovereign government obligations | Overnight and continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0
Other sovereign government obligations | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0
Other sovereign government obligations | 31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	3
Other sovereign government obligations | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0
Money market securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	307	49
Money market securities | Overnight and continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0	0
Money market securities | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0	0
Money market securities | 31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	307	49
Money market securities | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0	0
Asset-backed securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		282
Asset-backed securities | Maturity Overnight and on Demand [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		0
Asset-backed securities | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		0
Asset-backed securities | 31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		282
Asset-backed securities | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		0
Mortgage-backed securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	15,651	19,012
Securities loaned	151
Mortgage-backed securities | Maturity Overnight and on Demand [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		9,803
Mortgage-backed securities | Overnight and continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	5,919
Securities loaned	151
Mortgage-backed securities | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	2,510	1,640
Securities loaned	0
Mortgage-backed securities | 31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	6,622	7,569
Securities loaned	0
Mortgage-backed securities | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	600	0
Securities loaned	0
Corporate bonds
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	2,365	2,039
Securities loaned	10	1
Corporate bonds | Maturity Overnight and on Demand [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		682
Securities loaned		1
Corporate bonds | Overnight and continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	1,285
Securities loaned	10
Corporate bonds | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	43	130
Securities loaned	0	0
Corporate bonds | 31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	1,037	1,227
Securities loaned	0	0
Corporate bonds | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0	0
Securities loaned	0	0
State and municipal securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	551	548
State and municipal securities | Maturity Overnight and on Demand [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		115
State and municipal securities | Overnight and continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	503
State and municipal securities | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0	245
State and municipal securities | 31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	48	188
State and municipal securities | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0	0
Equity securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	570	862
Securities loaned	533	92
Equity securities | Maturity Overnight and on Demand [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		387
Securities loaned		92
Equity securities | Overnight and continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	307
Securities loaned	282
Equity securities | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	7	220
Securities loaned	251	0
Equity securities | 31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	256	255
Securities loaned	0	0
Equity securities | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0	0
Securities loaned	0	0
Trading securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	$ 35,985	38,798
Trading securities | Overnight and continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		20,667
Trading securities | Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		5,180
Trading securities | 31-90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		12,616
Trading securities | Greater than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase		$ 335

XML

Securities Financing Arrangements - Schedule of Offsetting Financial Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Derivative assets
Gross Amounts of Recognized Assets	$ 1,025	$ 871
Gross Amounts Offset in Balance Sheet	351	354
Net Amounts Presented in Balance Sheet	674	517
Gross Amounts Not Offset In Balance Sheet, Financial Instruments	17	14
Gross Amounts Not Offset in Balance Sheet, Cash Collateral Received/Pledged	0	0
Net Amount	657	503
Securities borrowed or purchased under resale agreements
Gross Amounts of Recognized Assets	32,114	33,974
Gross Amounts Offset in Balance Sheet	9,254	11,606
Net Amounts Presented in Balance Sheet	22,860	22,368
Gross Amounts Not Offset in Balance Sheet, Financial Instruments	22,769	22,291
Gross Amounts Not Offset in Balance Sheet, Cash Collateral Received/Pledged	0	0
Net Amount	91	77
Total Financial Assets
Gross Amounts of Recognized Assets	33,139	34,845
Gross Amounts Offset in Balance Sheet	9,605	11,960
Net Amounts Presented in Balance Sheet	23,534	22,885
Gross Amounts Not Offset In Balance Sheet, Financial Instruments	22,786	22,305
Gross Amounts Not Offset in Balance Sheet, Cash Collateral Received/Pledged	0	0
Net Amount	748	580
Derivative liabilities
Gross Amounts of Recognized Liabilities	705	804
Gross Amounts Offset in Balance Sheet	323	322
Net Amounts Presented in Balance Sheet	382	482
Gross Amount Not Offset in Balance Sheet, Financial Instruments	89	69
Gross Amounts Not Offset in Balance Sheet, Cash Collateral Received/Pledged	1	0
Net Amount	292	413
Securities loaned or sold under repurchase agreements
Gross Amounts of Recognized Assets/Liabilities	36,679	38,891
Gross Amounts Offset in Balance Sheet	9,254	11,606
Net Amounts Presented in Balance Sheet	27,425	27,285
Gross Amounts Not Offset in Balance Sheet, Financial Instruments	26,594	26,434
Gross Amounts Not Offset in Balance Sheet, Cash Collateral Received/Pledged	0	0
Net Amount	831	851
Total Financial Liabilities
Gross Amounts of Recognized Assets/Liabilities	37,384	39,695
Gross Amounts Offset in Balance Sheet	9,577	11,928
Net Amounts Presented in Balance Sheet	27,807	27,767
Gross Amount Not Offset in Balance Sheet, Financial Instruments	26,683	26,503
Gross Amounts Not Offset in Balance Sheet, Cash Collateral Received/Pledged	1	0
Net Amount	$ 1,123	$ 1,264

XML

Commercial Paper and Other Short-Term Borrowings (Details) $ in Millions, ¥ in Billions	3 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 31, 2019 JPY (¥)	Dec. 31, 2018 USD ($)
Short-term Debt [Line Items]
Total commercial paper and other short-term borrowings	$ 8,843		$ 9,263
MUFG Union Bank N.A
Short-term Debt [Line Items]
Total commercial paper and other short-term borrowings	$ 7,998		$ 8,182
MUFG Union Bank N.A | Commercial paper
Short-term Debt [Line Items]
Weighted average interest rate at period end	2.44%	2.44%	2.39%
Commercial paper	$ 898		$ 382
MUFG Union Bank N.A | Federal Home Loan Bank Advances
Short-term Debt [Line Items]
Weighted average interest rate at period end	2.58%	2.58%	2.52%
Federal home loan bank advances	$ 7,100		$ 7,800
MUFG Americas Holding Corporation
Short-term Debt [Line Items]
Weighted average interest rate at period end	3.00%	3.00%	3.01%
Total commercial paper and other short-term borrowings	$ 845		$ 1,081
Short-term debt due to parent	$ 88		$ 145
MUFG Americas Holding Corporation | Affiliated Entity
Short-term Debt [Line Items]
Weighted average interest rate at period end	(0.09%)	(0.09%)	(0.07%)
Short term debt due to affiliates	$ 757	¥ 84	$ 936
Line of Credit | MUFG Americas Holding Corporation
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 1,400	¥ 160
Line of credit facility, extension period (in days)	100 days

XML

Long-Term Debt (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Debt Instrument
Long-term debt	$ 17,335		$ 17,918
Proceeds from issuance of long-term debt	1,300	$ 2,755
Parent Company [Member]
Debt Instrument
Long-term debt	7,356		7,355
Parent Company [Member] | Senior debt obligations | Fixed rate 3.50% notes due June 2022
Debt Instrument
Long-term debt	$ 398		$ 398
Debt instrument, fixed interest rate (as a percent)	3.50%		3.50%
Parent Company [Member] | Senior debt obligations | Fixed rate 3.00% notes due February 2025
Debt Instrument
Long-term debt	$ 397		$ 397
Debt instrument, fixed interest rate (as a percent)	3.00%		3.00%
Parent Company [Member] | Senior debt obligations | Floating rate debt due December 2023. This note, which bears interest at 0.76% above 3-month EURIBOR, had a rate of .76% at September 30, 2018 and 0.76% at December 31, 2017
Debt Instrument
Long-term debt	$ 24		$ 24
Parent Company [Member] | Senior debt obligations | Floating Rate Debt Due December 2021 [Member]
Debt Instrument
Long-term debt	$ 1,625		$ 1,625
Long-term debt, weighted average interest rate (as a percent)	3.40%		3.58%
Parent Company [Member] | Senior debt obligations | Floating Rate Debt Due December 2021 [Member] | London Interbank Offered Rate LIBOR
Debt Instrument
Interest rate above variable interest rate (as a percent)	0.81%		0.81%
Parent Company [Member] | Senior debt obligations | Floating Rate Debt Due December 2022 [Member]
Debt Instrument
Long-term debt	$ 3,250		$ 3,250
Long-term debt, weighted average interest rate (as a percent)	3.49%		3.67%
Parent Company [Member] | Senior debt obligations | Floating Rate Debt Due December 2022 [Member] | London Interbank Offered Rate LIBOR
Debt Instrument
Interest rate above variable interest rate (as a percent)	0.90%		0.90%
Parent Company [Member] | Senior debt obligations | Floating Rate Debt Due December 2023 LIBOR [Member]
Debt Instrument
Long-term debt	$ 1,625		$ 1,625
Long-term debt, weighted average interest rate (as a percent)	3.58%		3.76%
Parent Company [Member] | Senior debt obligations | Floating Rate Debt Due December 2023 LIBOR [Member] | London Interbank Offered Rate LIBOR
Debt Instrument
Interest rate above variable interest rate (as a percent)	0.99%
Parent Company [Member] | Subordinated Debt | Floating rate subordinated debt due December 2023. This note, which bears interest at 1.38% above 3-month LIBOR, had a rate of 3.71% at September 30, 2018 and 3.07% at December 31, 2017
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)	0.76%		0.76%
Parent Company [Member] | Subordinated Debt | Floating rate subordinated debt due December 2023. This note, which bears interest at 1.38% above 3-month LIBOR, had a rate of 3.71% at September 30, 2018 and 3.07% at December 31, 2017 | Euro Interbank Offered Rate (Euribor) [Member]
Debt Instrument
Interest rate above variable interest rate (as a percent)	0.76%
Parent Company [Member] | Junior subordinated debt payable to trusts | Floating rate note due September 2036. This note had an interest rate of 4.03% at September 30, 2018 and 3.29% at December 31, 2017
Debt Instrument
Long-term debt	$ 37		$ 36
Long-term debt, weighted average interest rate (as a percent)	4.31%		4.49%
MUFG Union Bank N.A | Senior debt obligations | Floating Rate debt due March 2022 [Member]
Debt Instrument
Long-term debt	$ 299		$ 0
MUFG Union Bank N.A
Debt Instrument
Long-term debt	$ 9,280		9,632
MUFG Union Bank N.A | Senior debt obligations | Floating Rate debt due March 2022 [Member]
Debt Instrument
Debt instrument, fixed interest rate (as a percent)	3.21%
MUFG Union Bank N.A | Senior debt obligations | Floating Rate debt due March 2022 [Member] | London Interbank Offered Rate LIBOR
Debt Instrument
Interest rate above variable interest rate (as a percent)	0.60%
MUFG Union Bank N.A | Senior debt obligations | Fixed rate 2.25% notes due May 2019
Debt Instrument
Long-term debt	$ 499		$ 498
Debt instrument, fixed interest rate (as a percent)	2.25%		2.25%
MUFG Union Bank N.A | Senior debt obligations | Fixed Rate 3.15 Percent Notes Due April 2022 [Member]
Debt Instrument
Long-term debt	$ 996		$ 0
Debt instrument, fixed interest rate (as a percent)	3.15%		3.15%
MUFG Union Bank N.A | Senior debt obligations | Fixed Rate Advances Due Between April 2019 and December 2023 [Member]
Debt Instrument
Debt instrument, fixed interest rate (as a percent)	2.79%		2.66%
MUFG Union Bank N.A | Senior debt obligations | Fixed Rate Advances Due Between January 2019 and December 2023 [Member]
Debt Instrument
Long-term debt	$ 7,450		$ 9,100
MUFG Union Bank N.A | Other
Debt Instrument
Long-term debt	36		34
Other Subsidiaries, Excluding MUFG Bank, NA
Debt Instrument
Long-term debt	$ 699		$ 931
Other Subsidiaries, Excluding MUFG Bank, NA | Senior debt obligations | Various fixed rate borrowings due between February 2019 and May 2024 with a weighted average interest rate of 1.82% (between 0.14% and 2.44%) at September 30, 2018 and 2.12% (between 1.37% and 2.65%) at December 31, 2017
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)	1.80%		1.82%
Other Subsidiaries, Excluding MUFG Bank, NA | Senior debt obligations | Various fixed rate borrowings due between February 2019 and May 2024 with a weighted average interest rate of 1.82% (between 0.14% and 2.44%) at September 30, 2018 and 2.12% (between 1.37% and 2.65%) at December 31, 2017 | Minimum
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)	0.14%		0.14%
Other Subsidiaries, Excluding MUFG Bank, NA | Senior debt obligations | Various fixed rate borrowings due between February 2019 and May 2024 with a weighted average interest rate of 1.82% (between 0.14% and 2.44%) at September 30, 2018 and 2.12% (between 1.37% and 2.65%) at December 31, 2017 | Maximum
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)	2.44%		2.44%
Other Subsidiaries, Excluding MUFG Bank, NA | Senior debt obligations | Floating Rate Borrowings Due Between December 2020 and May 2021 [Member]
Debt Instrument
Long-term debt	$ 250		$ 250
Long-term debt, weighted average interest rate (as a percent)	2.60%		2.80%
Other Subsidiaries, Excluding MUFG Bank, NA | Senior debt obligations | Fixed Rate Borrowings Due Between February 2019 and May 2024 [Member]
Debt Instrument
Long-term debt	$ 223		$ 244
Other Subsidiaries, Excluding MUFG Bank, NA | Senior debt obligations | Floating Rate Debt Due March 2019 [Member]
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)			4.13%
Other Subsidiaries, Excluding MUFG Bank, NA | Subordinated Debt | Floating Rate Debt Due March 2019 [Member]
Debt Instrument
Long-term debt	0		$ 75
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Various floating rate non-recourse borrowings due between February 2019 and May 2019. These notes, which bear interest above 1- or 3-month LIBOR had a weighted average interest rate of 3.64% (between 3.34% and 4.23%) at September 30, 2018 and 2.88% (between 2.50% and 3.54%) at December 31, 2017
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)		4.64%	4.21%
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Various floating rate non-recourse borrowings due between February 2019 and May 2019. These notes, which bear interest above 1- or 3-month LIBOR had a weighted average interest rate of 3.64% (between 3.34% and 4.23%) at September 30, 2018 and 2.88% (between 2.50% and 3.54%) at December 31, 2017 | Minimum
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)		4.59%	4.20%
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Various floating rate non-recourse borrowings due between February 2019 and May 2019. These notes, which bear interest above 1- or 3-month LIBOR had a weighted average interest rate of 3.64% (between 3.34% and 4.23%) at September 30, 2018 and 2.88% (between 2.50% and 3.54%) at December 31, 2017 | Maximum
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)		4.70%	4.48%
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Fixed rate non-recourse borrowings due December 2026 which had an interest rate of 5.34% at September 30, 2018 and December 31, 2017
Debt Instrument
Long-term debt	$ 32		$ 33
Debt instrument, fixed interest rate (as a percent)		5.34%	5.34%
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Floating Rate Nonrecourse Debt December 2021 [Member]
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)	2.74%		4.09%
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Floating Rate Nonrecourse Debt December 2021 [Member] | Minimum
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)			2.75%
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Floating Rate Nonrecourse Debt December 2021 [Member] | Maximum
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)			4.17%
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Floating Rate Nonrecourse Debt Due Between December 2019 and July 2023 [Member]
Debt Instrument
Long-term debt, weighted average interest rate (as a percent)		3.04%	3.05%
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Floating Rate Nonrecourse Debt Due Between February 2019 and December 2021 [Member]
Debt Instrument
Long-term debt	$ 3		$ 53
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Fixed Rate Nonrecourse Debt Due Between January 2019 and July 2023 [Member]
Debt Instrument
Long-term debt	178		187
Other Subsidiaries, Excluding MUFG Bank, NA | Secured Debt | Floating Rate Nonrecourse Borrowings Due Between February 2019 and May 2019 [Member]
Debt Instrument
Long-term debt	$ 13		$ 89

XML

Fair Value Measurement and Fair Value of Financial Instruments - Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)		Mar. 31, 2019		Dec. 31, 2018
Fair value measurements
Trading account assets(2):		$ 10,889,000,000		$ 11,213,000,000
Securities available for sale(3):		17,807,000,000
U.S. Treasury
Fair value measurements
Securities available for sale(3):		3,486,000,000
US Government Agencies Debt Securities [Member]
Fair value measurements
Securities available for sale(3):		1,000,000
Other
Fair value measurements
Securities available for sale(3):		182,000,000
U.S. government agency and government-sponsored agencies
Fair value measurements
Securities available for sale(3):		9,087,000,000
Privately issued
Fair value measurements
Securities available for sale(3):		932,000,000
Collateralized loan obligations
Fair value measurements
Securities available for sale(3):		1,538,000,000
Other
Fair value measurements
Securities available for sale(3):		4,000,000
Direct bank purchase bonds
Fair value measurements
Securities available for sale(3):		1,124,000,000
Level 1
Fair value measurements
Other assets:				9,000,000
Other liabilities:				0
Level 1 | U.S. Treasury
Fair value measurements
Securities available for sale(3):				0
Trading account liabilities(2):				0
Level 1 | Commercial paper
Fair value measurements
Trading account liabilities(2):				0
Level 1 | Other
Fair value measurements
Trading account assets(2):				0
Level 1 | Corporate bonds
Fair value measurements
Trading account assets(2):				0
Level 1 | Asset-backed securities
Fair value measurements
Trading account assets(2):				0
Level 1 | Mortgage-backed securities
Fair value measurements
Trading account assets(2):				0
Level 1 | Equity securities
Fair value measurements
Other assets:				9,000,000
Level 1 | Commodity derivative contracts
Fair value measurements
Trading account liabilities(2):				0
Level 1 | Equity derivative contracts
Fair value measurements
Trading account liabilities(2):				0
Level 1 | U.S. government agency and government-sponsored agencies
Fair value measurements
Securities available for sale(3):				0
Level 1 | Privately issued
Fair value measurements
Securities available for sale(3):				0
Level 1 | Privately issued commercial mortgage-backed securities
Fair value measurements
Securities available for sale(3):				0
Level 1 | Collateralized loan obligations
Fair value measurements
Securities available for sale(3):				0
Level 1 | Mortgage servicing rights
Fair value measurements
Other assets:				0
Level 1 | loans held for sale [Domain]
Fair value measurements
Other assets:				0
Level 1 | Interest rate hedging contracts
Fair value measurements
Other assets:				0
Level 1 | Corporate bonds
Fair value measurements
Trading account liabilities(2):				0
Level 1 | Other derivative contracts
Fair value measurements
Other assets:				0
Other liabilities:				0
Level 2
Fair value measurements
Trading account liabilities(2):				0
Level 2 | Equity securities
Fair value measurements
Trading account assets(2):				0
Level 2 | Equity derivative contracts
Fair value measurements
Trading account liabilities(2):				0
Level 2 | Mortgage servicing rights
Fair value measurements
Other assets:				0
Level 2 | loans held for sale [Domain]
Fair value measurements
Other assets:				0
Level 3
Fair value measurements
Trading account liabilities(2):				0
Level 3 | U.S. Treasury
Fair value measurements
Securities available for sale(3):				0
Trading account liabilities(2):				0
Level 3 | Commercial paper
Fair value measurements
Trading account liabilities(2):				0
Level 3 | Other
Fair value measurements
Trading account assets(2):				0
Level 3 | Corporate bonds
Fair value measurements
Trading account assets(2):				0
Level 3 | Asset-backed securities
Fair value measurements
Trading account assets(2):				0
Level 3 | Mortgage-backed securities
Fair value measurements
Trading account assets(2):				0
Level 3 | Equity securities
Fair value measurements
Trading account assets(2):				0
Level 3 | Interest rate derivative contracts
Fair value measurements
Trading account liabilities(2):				0
Level 3 | U.S. government agency and government-sponsored agencies
Fair value measurements
Securities available for sale(3):				0
Level 3 | Privately issued
Fair value measurements
Securities available for sale(3):				0
Level 3 | Privately issued commercial mortgage-backed securities
Fair value measurements
Securities available for sale(3):				0
Level 3 | Collateralized loan obligations
Fair value measurements
Securities available for sale(3):				0
Level 3 | Mortgage servicing rights
Fair value measurements
Other assets:				159,000,000
Level 3 | loans held for sale [Domain]
Fair value measurements
Other assets:				117,000,000
Level 3 | Corporate bonds
Fair value measurements
Trading account liabilities(2):				0
Fair Value, Measurements, Recurring
Fair value measurements
Netting Adjustment		$ (351,000,000)	[1]	$ (354,000,000)	[2]
Percentage of total		100.00%		100.00%
Netting Adjustment		1.00%		2.00%
Percentage of total Company assets		17.00%		17.00%
Netting Adjustment		(0.00%)		(0.00%)
Netting Adjustment		$ (323,000,000)	[1]	$ (322,000,000)	[2]
Percentage of total		100.00%		100.00%
Netting Adjustment		8.00%		8.00%
Percentage of total Company liabilities		3.00%		3.00%
Netting Adjustment		(0.00%)		(0.00%)
Fair Value, Measurements, Recurring | Equity securities
Fair value measurements
Netting Adjustment				$ 0
Fair Value, Measurements, Recurring | Interest rate derivative contracts
Fair value measurements
Netting Adjustment		$ (127,000,000)		(130,000,000)
Netting Adjustment		(284,000,000)		(262,000,000)
Fair Value, Measurements, Recurring | Commodity derivative contracts
Fair value measurements
Netting Adjustment		(15,000,000)		(24,000,000)
Netting Adjustment		(7,000,000)		(4,000,000)
Fair Value, Measurements, Recurring | Foreign exchange derivative contracts
Fair value measurements
Netting Adjustment		(177,000,000)		(170,000,000)
Netting Adjustment		(30,000,000)		(56,000,000)
Fair Value, Measurements, Recurring | Equity derivative contracts
Fair value measurements
Netting Adjustment		(11,000,000)		(11,000,000)
Netting Adjustment		0
Fair Value, Measurements, Recurring | Other Contract [Member]
Fair value measurements
Netting Adjustment		0
Netting Adjustment		0
Fair Value, Measurements, Recurring | Trading securities
Fair value measurements
Netting Adjustment		(330,000,000)	[1]	(335,000,000)	[2]
Netting Adjustment		(321,000,000)	[1]	(322,000,000)	[2]
Fair Value, Measurements, Recurring | Other
Fair value measurements
Netting Adjustment	[2]	(21,000,000)		(19,000,000)
Fair Value, Measurements, Recurring | Interest rate hedging contracts
Fair value measurements
Netting Adjustment		(17,000,000)		(3,000,000)
Fair Value, Measurements, Recurring | Other derivative contracts
Fair value measurements
Netting Adjustment		(4,000,000)		(16,000,000)
Netting Adjustment		(2,000,000)		0
Fair Value, Measurements, Recurring | Equity securities
Fair value measurements
Netting Adjustment		0
Fair Value, Measurements, Recurring | Total other liabilities
Fair value measurements
Netting Adjustment		(2,000,000)	[1]	0	[2]
Fair Value, Measurements, Recurring | Level 1
Fair value measurements
Trading account assets(2):				146,000,000
Securities available for sale(3):		9,000,000		0
Other assets:		10,000,000
Total assets		$ 95,000,000		$ 155,000,000
Percentage of total		0.00%		1.00%
Percentage of total Company assets		0.00%		0.00%
Trading account liabilities(2):		$ 107,000,000		$ 125,000,000
Fdic Clawback				0
Other liabilities:		0
Total liabilities		$ 107,000,000		$ 125,000,000
Percentage of total		3.00%		3.00%
Percentage of total Company liabilities		0.00%		0.00%
Fair Value, Measurements, Recurring | Level 1 | U.S. Treasury
Fair value measurements
Trading account assets(2):		$ 0		$ 0
Securities available for sale(3):		0
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 1 | US Government Agencies Debt Securities [Member]
Fair value measurements
Securities available for sale(3):		0
Fair Value, Measurements, Recurring | Level 1 | U.S. government-sponsored agency securities
Fair value measurements
Trading account assets(2):		0		0
Fair Value, Measurements, Recurring | Level 1 | State and municipal
Fair value measurements
Trading account assets(2):		0		0
Fair Value, Measurements, Recurring | Level 1 | Commercial paper
Fair value measurements
Trading account assets(2):		0		0
Fair Value, Measurements, Recurring | Level 1 | Other
Fair value measurements
Securities available for sale(3):		9,000,000		0
Fair Value, Measurements, Recurring | Level 1 | Corporate bonds
Fair value measurements
Trading account assets(2):		0
Fair Value, Measurements, Recurring | Level 1 | Asset-backed securities
Fair value measurements
Trading account assets(2):		0
Fair Value, Measurements, Recurring | Level 1 | Mortgage-backed securities
Fair value measurements
Trading account assets(2):		0
Fair Value, Measurements, Recurring | Level 1 | Equity securities
Fair value measurements
Trading account assets(2):		67,000,000		127,000,000
Trading account liabilities(2):		74,000,000		70,000,000
Fair Value, Measurements, Recurring | Level 1 | Interest rate derivative contracts
Fair value measurements
Trading account assets(2):		8,000,000		9,000,000
Trading account liabilities(2):		33,000,000		55,000,000
Fair Value, Measurements, Recurring | Level 1 | Commodity derivative contracts
Fair value measurements
Trading account assets(2):		0		0
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 1 | Foreign exchange derivative contracts
Fair value measurements
Trading account assets(2):		1,000,000		1,000,000
Trading account liabilities(2):		0		0
Fair Value, Measurements, Recurring | Level 1 | Equity derivative contracts
Fair value measurements
Trading account assets(2):		0		9,000,000
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 1 | Other Contract [Member]
Fair value measurements
Trading account assets(2):		0
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 1 | Trading securities
Fair value measurements
Trading account assets(2):		76,000,000
Fair Value, Measurements, Recurring | Level 1 | Fdic [Member]
Fair value measurements
Other liabilities:		0
Fair Value, Measurements, Recurring | Level 1 | U.S. government agency and government-sponsored agencies
Fair value measurements
Securities available for sale(3):		0
Fair Value, Measurements, Recurring | Level 1 | Privately issued
Fair value measurements
Securities available for sale(3):		0
Fair Value, Measurements, Recurring | Level 1 | Privately issued commercial mortgage-backed securities
Fair value measurements
Securities available for sale(3):		0
Fair Value, Measurements, Recurring | Level 1 | Collateralized loan obligations
Fair value measurements
Securities available for sale(3):		0
Fair Value, Measurements, Recurring | Level 1 | Other
Fair value measurements
Securities available for sale(3):		0		0
Fair Value, Measurements, Recurring | Level 1 | Direct bank purchase bonds
Fair value measurements
Securities available for sale(3):		0		0
Fair Value, Measurements, Recurring | Level 1 | Mortgage servicing rights
Fair value measurements
Other assets:		0
Fair Value, Measurements, Recurring | Level 1 | loans held for sale [Domain]
Fair value measurements
Other assets:		0
Fair Value, Measurements, Recurring | Level 1 | Interest rate hedging contracts
Fair value measurements
Other assets:		0
Fair Value, Measurements, Recurring | Level 1 | Corporate bonds
Fair value measurements
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 1 | Other derivative contracts
Fair value measurements
Other assets:		0
Other liabilities:		0
Fair Value, Measurements, Recurring | Level 1 | Equity securities
Fair value measurements
Other assets:		10,000,000
Fair Value, Measurements, Recurring | Level 2
Fair value measurements
Trading account assets(2):				11,389,000,000
Securities available for sale(3):		16,530,000,000		14,983,000,000
Other assets:		28,000,000		32,000,000
Total assets		$ 27,689,000,000		$ 26,404,000,000
Percentage of total		95.00%		95.00%
Percentage of total Company assets		16.00%		16.00%
Trading account liabilities(2):		$ 4,098,000,000		$ 4,211,000,000
Fdic Clawback				0
Other liabilities:		3,000,000		3,000,000
Total liabilities		$ 4,101,000,000		$ 4,214,000,000
Percentage of total		102.00%		102.00%
Percentage of total Company liabilities		3.00%		3.00%
Fair Value, Measurements, Recurring | Level 2 | U.S. Treasury
Fair value measurements
Trading account assets(2):		$ 3,606,000,000		$ 2,998,000,000
Securities available for sale(3):		3,486,000,000		3,429,000,000
Trading account liabilities(2):		2,800,000,000		2,753,000,000
Fair Value, Measurements, Recurring | Level 2 | US Government Agencies Debt Securities [Member]
Fair value measurements
Securities available for sale(3):		1,000,000
Fair Value, Measurements, Recurring | Level 2 | U.S. government-sponsored agency securities
Fair value measurements
Trading account assets(2):		37,000,000		73,000,000
Fair Value, Measurements, Recurring | Level 2 | State and municipal
Fair value measurements
Trading account assets(2):		13,000,000		10,000,000
Fair Value, Measurements, Recurring | Level 2 | Commercial paper
Fair value measurements
Trading account assets(2):		303,000,000		51,000,000
Trading account liabilities(2):				10,000,000
Fair Value, Measurements, Recurring | Level 2 | Other
Fair value measurements
Trading account assets(2):				0
Securities available for sale(3):		29,000,000		43,000,000
Fair Value, Measurements, Recurring | Level 2 | Corporate bonds
Fair value measurements
Trading account assets(2):		1,691,000,000		1,367,000,000
Fair Value, Measurements, Recurring | Level 2 | Asset-backed securities
Fair value measurements
Trading account assets(2):		230,000,000		299,000,000
Fair Value, Measurements, Recurring | Level 2 | Mortgage-backed securities
Fair value measurements
Trading account assets(2):		4,277,000,000		5,785,000,000
Fair Value, Measurements, Recurring | Level 2 | Equity securities
Fair value measurements
Trading account assets(2):		0
Other assets:				0
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 2 | Interest rate derivative contracts
Fair value measurements
Trading account assets(2):		705,000,000		522,000,000
Trading account liabilities(2):		484,000,000		545,000,000
Fair Value, Measurements, Recurring | Level 2 | Commodity derivative contracts
Fair value measurements
Trading account assets(2):		18,000,000		25,000,000
Trading account liabilities(2):		13,000,000		18,000,000
Fair Value, Measurements, Recurring | Level 2 | Foreign exchange derivative contracts
Fair value measurements
Trading account assets(2):		250,000,000		259,000,000
Trading account liabilities(2):		157,000,000		168,000,000
Fair Value, Measurements, Recurring | Level 2 | Equity derivative contracts
Fair value measurements
Trading account assets(2):		0		0
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 2 | Other Contract [Member]
Fair value measurements
Trading account assets(2):		1,000,000
Trading account liabilities(2):		1,000,000
Fair Value, Measurements, Recurring | Level 2 | Trading securities
Fair value measurements
Trading account assets(2):		11,131,000,000
Fair Value, Measurements, Recurring | Level 2 | Fdic [Member]
Fair value measurements
Other liabilities:		0
Fair Value, Measurements, Recurring | Level 2 | U.S. government agency and government-sponsored agencies
Fair value measurements
Securities available for sale(3):		9,087,000,000		8,007,000,000
Fair Value, Measurements, Recurring | Level 2 | Privately issued
Fair value measurements
Securities available for sale(3):		932,000,000		864,000,000
Fair Value, Measurements, Recurring | Level 2 | Privately issued commercial mortgage-backed securities
Fair value measurements
Securities available for sale(3):		1,453,000,000		1,162,000,000
Fair Value, Measurements, Recurring | Level 2 | Collateralized loan obligations
Fair value measurements
Securities available for sale(3):		1,538,000,000		1,474,000,000
Fair Value, Measurements, Recurring | Level 2 | Other
Fair value measurements
Securities available for sale(3):		4,000,000		4,000,000
Fair Value, Measurements, Recurring | Level 2 | Direct bank purchase bonds
Fair value measurements
Securities available for sale(3):		0		0
Fair Value, Measurements, Recurring | Level 2 | Mortgage servicing rights
Fair value measurements
Other assets:		0
Fair Value, Measurements, Recurring | Level 2 | loans held for sale [Domain]
Fair value measurements
Other assets:		0
Fair Value, Measurements, Recurring | Level 2 | Interest rate hedging contracts
Fair value measurements
Other assets:		20,000,000		6,000,000
Fair Value, Measurements, Recurring | Level 2 | Corporate bonds
Fair value measurements
Trading account liabilities(2):		643,000,000		717,000,000
Fair Value, Measurements, Recurring | Level 2 | Other derivative contracts
Fair value measurements
Other assets:		8,000,000		26,000,000
Other liabilities:		3,000,000		3,000,000
Fair Value, Measurements, Recurring | Level 2 | Equity securities
Fair value measurements
Other assets:		0
Fair Value, Measurements, Recurring | Level 3
Fair value measurements
Trading account assets(2):				13,000,000
Securities available for sale(3):		1,268,000,000		1,331,000,000
Other assets:		386,000,000		277,000,000
Total assets		$ 1,666,000,000		$ 1,621,000,000
Percentage of total		6.00%		6.00%
Percentage of total Company assets		1.00%		1.00%
Trading account liabilities(2):		$ 12,000,000		$ 13,000,000
Fdic Clawback				116,000,000
Other liabilities:		119,000,000		118,000,000
Total liabilities		$ 131,000,000		$ 131,000,000
Percentage of total		3.00%		3.00%
Percentage of total Company liabilities		0.00%		0.00%
Fair Value, Measurements, Recurring | Level 3 | U.S. Treasury
Fair value measurements
Trading account assets(2):		$ 0		$ 0
Securities available for sale(3):		0
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 3 | US Government Agencies Debt Securities [Member]
Fair value measurements
Securities available for sale(3):		0
Fair Value, Measurements, Recurring | Level 3 | U.S. government-sponsored agency securities
Fair value measurements
Trading account assets(2):		0		0
Fair Value, Measurements, Recurring | Level 3 | State and municipal
Fair value measurements
Trading account assets(2):		0		0
Fair Value, Measurements, Recurring | Level 3 | Commercial paper
Fair value measurements
Trading account assets(2):		0		0
Fair Value, Measurements, Recurring | Level 3 | Other
Fair value measurements
Securities available for sale(3):		144,000,000		141,000,000
Fair Value, Measurements, Recurring | Level 3 | Corporate bonds
Fair value measurements
Trading account assets(2):		0
Fair Value, Measurements, Recurring | Level 3 | Asset-backed securities
Fair value measurements
Trading account assets(2):		0
Fair Value, Measurements, Recurring | Level 3 | Mortgage-backed securities
Fair value measurements
Trading account assets(2):		0
Fair Value, Measurements, Recurring | Level 3 | Equity securities
Fair value measurements
Trading account assets(2):		0
Other assets:				0
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 3 | Interest rate derivative contracts
Fair value measurements
Trading account assets(2):		0		0
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 3 | Commodity derivative contracts
Fair value measurements
Trading account assets(2):		0		0
Trading account liabilities(2):		0		0
Fair Value, Measurements, Recurring | Level 3 | Foreign exchange derivative contracts
Fair value measurements
Trading account assets(2):		0		0
Trading account liabilities(2):		0		0
Fair Value, Measurements, Recurring | Level 3 | Equity derivative contracts
Fair value measurements
Trading account assets(2):		12,000,000		13,000,000
Trading account liabilities(2):		12,000,000		13,000,000
Fair Value, Measurements, Recurring | Level 3 | Other Contract [Member]
Fair value measurements
Trading account assets(2):		0
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 3 | Trading securities
Fair value measurements
Trading account assets(2):		12,000,000
Fair Value, Measurements, Recurring | Level 3 | Fdic [Member]
Fair value measurements
Other liabilities:		117,000,000
Fair Value, Measurements, Recurring | Level 3 | U.S. government agency and government-sponsored agencies
Fair value measurements
Securities available for sale(3):		0
Fair Value, Measurements, Recurring | Level 3 | Privately issued
Fair value measurements
Securities available for sale(3):		0
Fair Value, Measurements, Recurring | Level 3 | Privately issued commercial mortgage-backed securities
Fair value measurements
Securities available for sale(3):		0
Fair Value, Measurements, Recurring | Level 3 | Collateralized loan obligations
Fair value measurements
Securities available for sale(3):		0
Fair Value, Measurements, Recurring | Level 3 | Other
Fair value measurements
Securities available for sale(3):		0		0
Fair Value, Measurements, Recurring | Level 3 | Direct bank purchase bonds
Fair value measurements
Securities available for sale(3):		1,124,000,000		1,190,000,000
Fair Value, Measurements, Recurring | Level 3 | Mortgage servicing rights
Fair value measurements
Other assets:		263,000,000
Fair Value, Measurements, Recurring | Level 3 | loans held for sale [Domain]
Fair value measurements
Other assets:		121,000,000
Fair Value, Measurements, Recurring | Level 3 | Interest rate hedging contracts
Fair value measurements
Other assets:		0		0
Fair Value, Measurements, Recurring | Level 3 | Corporate bonds
Fair value measurements
Trading account liabilities(2):		0
Fair Value, Measurements, Recurring | Level 3 | Other derivative contracts
Fair value measurements
Other assets:		2,000,000		1,000,000
Other liabilities:		2,000,000		2,000,000
Fair Value, Measurements, Recurring | Level 3 | Equity securities
Fair value measurements
Other assets:		0
Fair Value, Measurements, Recurring | Fair Value
Fair value measurements
Trading account assets(2):				11,213,000,000
Securities available for sale(3):		17,807,000,000		16,314,000,000
Other assets:		403,000,000		299,000,000
Total assets		29,099,000,000		27,826,000,000
Trading account liabilities(2):		3,896,000,000		4,027,000,000
Fdic Clawback				116,000,000
Other liabilities:		120,000,000		121,000,000
Total liabilities		4,016,000,000		4,148,000,000
Fair Value, Measurements, Recurring | Fair Value | U.S. Treasury
Fair value measurements
Trading account assets(2):		3,606,000,000		2,998,000,000
Securities available for sale(3):		3,486,000,000		3,429,000,000
Trading account liabilities(2):		2,800,000,000		2,753,000,000
Fair Value, Measurements, Recurring | Fair Value | US Government Agencies Debt Securities [Member]
Fair value measurements
Securities available for sale(3):		1,000,000
Fair Value, Measurements, Recurring | Fair Value | U.S. government-sponsored agency securities
Fair value measurements
Trading account assets(2):		37,000,000		73,000,000
Fair Value, Measurements, Recurring | Fair Value | State and municipal
Fair value measurements
Trading account assets(2):		13,000,000		10,000,000
Fair Value, Measurements, Recurring | Fair Value | Commercial paper
Fair value measurements
Trading account assets(2):		303,000,000		51,000,000
Trading account liabilities(2):				10,000,000
Fair Value, Measurements, Recurring | Fair Value | Other
Fair value measurements
Trading account assets(2):				0
Securities available for sale(3):		182,000,000		184,000,000
Fair Value, Measurements, Recurring | Fair Value | Corporate bonds
Fair value measurements
Trading account assets(2):		1,691,000,000		1,367,000,000
Fair Value, Measurements, Recurring | Fair Value | Asset-backed securities
Fair value measurements
Trading account assets(2):		230,000,000		299,000,000
Fair Value, Measurements, Recurring | Fair Value | Mortgage-backed securities
Fair value measurements
Trading account assets(2):		4,277,000,000		5,785,000,000
Fair Value, Measurements, Recurring | Fair Value | Equity securities
Fair value measurements
Trading account assets(2):		67,000,000		127,000,000
Other assets:				9,000,000
Trading account liabilities(2):		74,000,000		70,000,000
Fair Value, Measurements, Recurring | Fair Value | Interest rate derivative contracts
Fair value measurements
Trading account assets(2):		586,000,000		401,000,000
Trading account liabilities(2):		233,000,000		338,000,000
Fair Value, Measurements, Recurring | Fair Value | Commodity derivative contracts
Fair value measurements
Trading account assets(2):		3,000,000		1,000,000
Trading account liabilities(2):		6,000,000		14,000,000
Fair Value, Measurements, Recurring | Fair Value | Foreign exchange derivative contracts
Fair value measurements
Trading account assets(2):		74,000,000		90,000,000
Trading account liabilities(2):		127,000,000		112,000,000
Fair Value, Measurements, Recurring | Fair Value | Equity derivative contracts
Fair value measurements
Trading account assets(2):		1,000,000		11,000,000
Trading account liabilities(2):		12,000,000		13,000,000
Fair Value, Measurements, Recurring | Fair Value | Other Contract [Member]
Fair value measurements
Trading account assets(2):		1,000,000
Trading account liabilities(2):		1,000,000
Fair Value, Measurements, Recurring | Fair Value | Trading securities
Fair value measurements
Trading account assets(2):		10,889,000,000
Fair Value, Measurements, Recurring | Fair Value | Fdic [Member]
Fair value measurements
Other liabilities:		117,000,000
Fair Value, Measurements, Recurring | Fair Value | U.S. government agency and government-sponsored agencies
Fair value measurements
Securities available for sale(3):		9,087,000,000		8,007,000,000
Fair Value, Measurements, Recurring | Fair Value | Privately issued
Fair value measurements
Securities available for sale(3):		932,000,000		864,000,000
Fair Value, Measurements, Recurring | Fair Value | Privately issued commercial mortgage-backed securities
Fair value measurements
Securities available for sale(3):		1,453,000,000		1,162,000,000
Fair Value, Measurements, Recurring | Fair Value | Collateralized loan obligations
Fair value measurements
Securities available for sale(3):		1,538,000,000		1,474,000,000
Fair Value, Measurements, Recurring | Fair Value | Other
Fair value measurements
Securities available for sale(3):		4,000,000		4,000,000
Fair Value, Measurements, Recurring | Fair Value | Direct bank purchase bonds
Fair value measurements
Securities available for sale(3):		1,124,000,000		1,190,000,000
Fair Value, Measurements, Recurring | Fair Value | Mortgage servicing rights
Fair value measurements
Other assets:		263,000,000		159,000,000
Fair Value, Measurements, Recurring | Fair Value | loans held for sale [Domain]
Fair value measurements
Other assets:		121,000,000		117,000,000
Fair Value, Measurements, Recurring | Fair Value | Interest rate hedging contracts
Fair value measurements
Other assets:		3,000,000		3,000,000
Fair Value, Measurements, Recurring | Fair Value | Corporate bonds
Fair value measurements
Trading account liabilities(2):		643,000,000		717,000,000
Fair Value, Measurements, Recurring | Fair Value | Other derivative contracts
Fair value measurements
Other assets:		6,000,000		11,000,000
Other liabilities:		3,000,000		$ 5,000,000
Fair Value, Measurements, Recurring | Fair Value | Equity securities
Fair value measurements
Other assets:		$ 10,000,000

[1] Amounts represent the impact of legally enforceable master netting agreements between the same counterparties that allow the Company to net settle all contracts.

[2] Amounts represent the impact of legally enforceable master netting agreements between the same counterparties that allow the Company to net settle all contracts.

XML

Fair Value Measurement and Fair Value of Financial Instruments - Reconciliation of Assets and Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Trading derivatives
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Asset (liability) balance, beginning of period		$ (138)
Included in income before taxes		(10)
Included in other comprehensive income		0
Purchases/additions		0
Settlements		74
Asset (liability) balance, end of period	$ (12)	(54)
Changes in unrealized gains (losses) included in income before taxes for assets and liabilities still held at end of period		10
Other Liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Asset (liability) balance, beginning of period	(118)	(119)
Included in income before taxes	1	0
Included in other comprehensive income	0	0
Purchases/additions	0	0
Settlements	0	0
Asset (liability) balance, end of period	(119)	(119)
Changes in unrealized gains (losses) included in income before taxes for assets and liabilities still held at end of period	(1)	0
Trading Liabilities [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Asset (liability) balance, beginning of period	(13)
Included in income before taxes	2
Included in other comprehensive income	0
Purchases/additions	0
Settlements	3
Changes in unrealized gains (losses) included in income before taxes for assets and liabilities still held at end of period	(2)
Trading derivatives
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Asset (liability) balance, beginning of period		139
Included in income before taxes		(10)
Included in other comprehensive income		0
Purchases/additions		0
Settlements		(74)
Asset (liability) balance, end of period	12	55
Changes in unrealized gains (losses) included in income before taxes for assets and liabilities still held at end of period		(10)
Securities Available for Sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Asset (liability) balance, beginning of period	1,331	1,600
Included in income before taxes	0	0
Included in other comprehensive income	11	(16)
Purchases/additions	2	72
Settlements	(76)	(150)
Asset (liability) balance, end of period	1,268	1,506
Changes in unrealized gains (losses) included in income before taxes for assets and liabilities still held at end of period	0	0
Other assets
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Asset (liability) balance, beginning of period	277	65
Included in income before taxes	(31)	7
Included in other comprehensive income	0	0
Purchases/additions	140	34
Settlements	0	0
Asset (liability) balance, end of period	386	106
Changes in unrealized gains (losses) included in income before taxes for assets and liabilities still held at end of period	(31)	$ 7
Trading securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Asset (liability) balance, beginning of period	13
Included in income before taxes	2
Included in other comprehensive income	0
Purchases/additions	0
Settlements	(3)
Changes in unrealized gains (losses) included in income before taxes for assets and liabilities still held at end of period	$ 2

XML

Fair Value Measurement and Fair Value of Financial Instruments - Significant Unobservable Inputs Level 3 Assets and Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Unobservable Input(s) Level 3
Securities Available for Sale	$ 17,807	$ 16,314
Direct bank purchase bonds
Unobservable Input(s) Level 3
Securities Available for Sale	$ 1,124	$ 1,190
Direct bank purchase bonds | Weighted Average | Return on equity
Unobservable Input(s) Level 3
Market-required return on capital (as a percent)	9.50%
Probability of default (as a percent)	0.30%
Loss severity (as a percent)	22.20%
Direct bank purchase bonds | Level 3
Unobservable Input(s) Level 3
Securities Available for Sale	$ 1,124

XML

Fair Value Measurement and Fair Value of Financial Instruments - Financial Assets Measured at Fair Value on Nonrecurring Basis (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Loans:
Impaired loans	$ 928		$ 730
Loss Impaired loans	(15)	$ (1)
Other assets:
Computer software, impairments		(2)
Capitalized Computer Software, Impairments	(2)
Impairment of Premises and Equipment	(1)
Gain (loss) on private equity investments		(2)
Other Assets	9,378		$ 9,620
Other Asset Impairment Charges	1
Impairment of Renewable Energy Investments	(1)
Loss, Total	(20)	(5)
Fair Value Measurements, Nonrecurring
Loans:
Impaired loans	346	69
Other assets:
Software	0	0
Property, Plant and Equipment, Other, Net	0
Private equity investments		12
Other Assets	0
Total	353	81
Renewable Energy Investment	7
Fair Value Measurements, Nonrecurring | Level 1
Loans:
Impaired loans	0	0
Other assets:
Software	0	0
Property, Plant and Equipment, Other, Net	0
Private equity investments		0
Other Assets	0
Total	0	0
Renewable Energy Investment	0
Fair Value Measurements, Nonrecurring | Level 2
Loans:
Impaired loans	0	0
Other assets:
Software	0	0
Property, Plant and Equipment, Other, Net	0
Private equity investments		0
Other Assets	0
Total	0	0
Renewable Energy Investment	0
Fair Value Measurements, Nonrecurring | Level 3
Loans:
Impaired loans	346	69
Other assets:
Software	0	0
Property, Plant and Equipment, Other, Net	0
Private equity investments		12
Other Assets	0
Total	353	$ 81
Renewable Energy Investment	$ 7

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Fair Value Measurement and Fair Value of Financial Instruments - Carrying Amount and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Millions		Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Assets
Securities borrowed or purchased under resale agreements		$ 22,860	$ 22,368
Securities held to maturity		10,331	10,720
Other assets:		50		$ 70
Level 1
Assets
Cash and cash equivalents		8,919	8,350
Securities borrowed or purchased under resale agreements		0	0
Securities held to maturity		0	0
Loans held for investment, net of allowance for loan losses		0	0
Other assets:		50	48
Liabilities
Time deposits		0	0
Commercial paper and other short-term borrowings		0	0
Securities loaned or sold under repurchase agreements		0	0
Long-term debt		0	0
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit		0	0
Level 2
Assets
Cash and cash equivalents		0	0
Securities borrowed or purchased under resale agreements		22,863	22,368
Securities held to maturity		10,331	10,720
Loans held for investment, net of allowance for loan losses		0	0
Other assets:		0	0
Liabilities
Time deposits		14,502	11,714
Commercial paper and other short-term borrowings		8,843	9,263
Securities loaned or sold under repurchase agreements		27,422	27,285
Long-term debt		17,448	17,961
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit		0	0
Level 3
Assets
Cash and cash equivalents		0	0
Securities borrowed or purchased under resale agreements		0	0
Securities held to maturity		0	0
Loans held for investment, net of allowance for loan losses		86,149	84,729
Other assets:		0	0
Liabilities
Time deposits		0	0
Commercial paper and other short-term borrowings		0	0
Securities loaned or sold under repurchase agreements		0	0
Long-term debt		0	0
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit		244	242
Carrying Amount
Assets
Cash and cash equivalents		8,919	8,350
Securities borrowed or purchased under resale agreements		22,860	22,368
Securities held to maturity		10,409	10,901
Loans held for investment, net of allowance for loan losses		85,766	84,805
Other assets:		50	48
Liabilities
Time deposits		14,501	11,739
Commercial paper and other short-term borrowings		8,843	9,263
Securities loaned or sold under repurchase agreements		27,425	27,285
Long-term debt		17,335	17,918
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit		98	120
Fair Value
Assets
Cash and cash equivalents		8,919	8,350
Securities borrowed or purchased under resale agreements		22,863	22,368
Securities held to maturity		10,331	10,720
Loans held for investment, net of allowance for loan losses	[1]	86,149	84,729
Other assets:		50	48
Liabilities
Time deposits		14,502	11,714
Commercial paper and other short-term borrowings		8,843	9,263
Securities loaned or sold under repurchase agreements		27,422	27,285
Long-term debt		17,448	17,961
Off-Balance Sheet Instruments
Commitments to extend credit and standby and commercial letters of credit		$ 244	$ 242

[1] Excludes lease financing. The carrying amount is net of the allowance for loan losses.

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Derivative Instruments and Other Financial Instruments Used For Hedging - Notional Amounts and Fair Value Amounts of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Derivative Instruments and Other Financial Instruments
Notional Amount	$ 312,911		$ 201,094
Assets Derivatives	1,025		871
Liability Derivatives	705		804
Interest rate derivative contracts | Not designated as hedging instruments
Derivative Instruments and Other Financial Instruments
Notional Amount	297,213		189,478
Assets Derivatives	713		531
Liability Derivatives	517		600
Interest rate derivative contracts | Cash Flow Hedges | Designated as Hedging Instrument
Derivative Instruments and Other Financial Instruments
Notional Amount	4,116		674
Assets Derivatives	20		6
Liability Derivatives	0		0
Commodity derivative contracts | Not designated as hedging instruments
Derivative Instruments and Other Financial Instruments
Notional Amount	273		336
Assets Derivatives	18		25
Liability Derivatives	13		18
Foreign exchange derivative contracts | Not designated as hedging instruments
Derivative Instruments and Other Financial Instruments
Notional Amount	8,801		8,475
Assets Derivatives	251		260
Liability Derivatives	157		168
Equity derivative contracts | Not designated as hedging instruments
Derivative Instruments and Other Financial Instruments
Notional Amount	284		300
Assets Derivatives	12		22
Liability Derivatives	12		13
Other derivative contracts | Not designated as hedging instruments
Derivative Instruments and Other Financial Instruments
Notional Amount	120		127
Assets Derivatives	1		0
Liability Derivatives	1		0
Trading derivatives | Not designated as hedging instruments
Derivative Instruments and Other Financial Instruments
Notional Amount	306,691		198,716
Assets Derivatives	995		838
Liability Derivatives	700		799
Other Risk Management | Not designated as hedging instruments
Derivative Instruments and Other Financial Instruments
Notional Amount	2,104		1,704
Assets Derivatives	10		27
Liability Derivatives	5		$ 5
Net gains (losses) on derivatives included in other noninterest income	$ (9)	$ 51

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Derivative Instruments and Other Financial Instruments Used For Hedging - Amount and Location of Gains and Losses for Derivatives Designated as Cash Flow Hedges (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Cash flow hedges
Notional Amount	$ 312,911		$ 201,094
Income from accumulated other comprehensive income expected to be reclassified to net interest income	$ 93
Cash Flow Hedges
Cash flow hedges
Derivative, Average Remaining Maturity	2 years 9 months 18 days
Interest rate contracts, Amount of Gain or (Loss) Recognized in OCI on Derivative Instruments (Effective Portion)	$ 14	$ (79)
Interest rate contracts, Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(19)	0
Cash Flow Hedges | Noninterest expense
Cash flow hedges
Interest rate contracts, (Gain) Loss Recognized in Income on Derivative Instruments (Ineffective Portion)		0
Cash Flow Hedges | Designated as Hedging Instrument | Interest rate derivative contracts
Cash flow hedges
Notional Amount	4,116		$ 674
Interest rate contracts, Amount of Gain or (Loss) Recognized in OCI on Derivative Instruments (Effective Portion)		(79)
Unrealized net gains (losses) on hedges arising during the period, before tax	14
Cash Flow Hedges | Designated as Hedging Instrument | Interest rate derivative contracts | Interest income
Cash flow hedges
Interest rate contracts, Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(19)	0
Cash Flow Hedges | Designated as Hedging Instrument | Interest rate derivative contracts | Interest expense
Cash flow hedges
Interest rate contracts, Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	$ 0	0
Cash Flow Hedges | Designated as Hedging Instrument | Interest rate derivative contracts | Noninterest expense
Cash flow hedges
Interest rate contracts, (Gain) Loss Recognized in Income on Derivative Instruments (Ineffective Portion)		$ 0

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Derivative Instruments and Other Financial Instruments Used For Hedging - Schedule of Derivative Gains (Losses) on the Company's Fair Value Hedges (Details) - Fair value hedges - Interest rate derivative contracts $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($)
Amount and location of net gains and losses
Derivative	$ (2)
Hedged Item	2
Hedge Ineffectiveness	0
Designated as Hedging Instrument
Amount and location of net gains and losses
Derivative	(2)
Hedged Item	2
Hedge Ineffectiveness	$ 0

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Derivative Instruments and Other Financial Instruments Used For Hedging - Gain or (Loss) Recognized in Income on Derivative Instruments (Details) - Trading derivatives - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Trading Derivatives
Trading account activities	$ (20)	$ 139
Interest rate derivative contracts
Trading Derivatives
Trading account activities	(35)	113
Equity contracts
Trading Derivatives
Trading account activities	4	17
Foreign exchange derivative contracts
Trading Derivatives
Trading account activities	$ 11	$ 9

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- Change in Each Component of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Change in accumulated other comprehensive loss balances:
Unrealized net gains (losses) on hedges arising during the period, net of tax	$ 10	$ (58)
Reclassification adjustment for net (gains) losses on hedges included in interest income for loans and interest expense on long-term debt, net of tax	14	0
Net change, before tax	33	(79)
Net change, tax	(9)	21
Net change, net of tax	24	(58)
Unrealized holding gains (losses) arising during the period on securities available for sale, net of tax	148	(193)
Reclassification adjustment for net (gains) losses on securities available for sale included in securities gains, net, net of tax	(1)	0
Other Comprehensive Income (Loss), Accretion of Fair Value Adjustment from Sale of Securities, Before Tax		0
Other Comprehensive Income (Loss), Accretion of Fair Value Adjustment from Sale of Securities,Tax		0
Other Comprehensive Income (Loss), Accretion of Fair Value Adjustment from Sale of Securities, Net of Tax		0
Amortization of net unrealized (gains) losses on held to maturity securities, net of tax	5	3
Net change, before tax	206	(258)
Net change, tax	(54)	68
Net change, net of tax	152	(190)
Foreign currency translation adjustment, net of tax	0	(2)
Amortization of prior service credit, net of tax	(7)	(8)
Recognized net actuarial (gain) loss, net of tax	13	18
Net change, before tax	8	14
Net change, tax	(2)	(4)
Net change, net of tax	6	10
Other, before tax	2	(1)
Other, tax	(1)	0
Other, net of tax	1	(1)
Other Comprehensive Income (Loss), before Tax	249	(327)
Other Comprehensive Income (Loss), Tax	(66)	86
Other Comprehensive Income (Loss), Net of Tax	183	(241)
Net Unrealized Gains (Losses) on Cash Flow Hedges
Change in accumulated other comprehensive loss balances:
Other Comprehensive Income (Loss), before Reclassifications, before Tax	14	(79)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	19	0
Reclassification from AOCI, Current Period, Tax	(5)	0
Other Comprehensive Income (Loss) before Reclassifications, Tax	(4)	21
Accumulated Net Investment Gain (Loss) Arising During the Period, Attributable to Parent [Member]
Change in accumulated other comprehensive loss balances:
Other Comprehensive Income (Loss), before Reclassifications, before Tax	200	(262)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(1)	0
Reclassification from AOCI, Current Period, Tax	0	0
Other Comprehensive Income (Loss) before Reclassifications, Tax	(52)	69
Accumulated Net Investment Gain (Loss), Held to Maturity Securities, Attributable to Parent [Member]
Change in accumulated other comprehensive loss balances:
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	7	4
Reclassification from AOCI, Current Period, Tax	(2)	(1)
Foreign Currency Translation Adjustment
Change in accumulated other comprehensive loss balances:
Other Comprehensive Income (Loss), before Tax	0	(3)
Other Comprehensive Income (Loss), Tax	0	1
Other Comprehensive Income (Loss), Net of Tax	0
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Change in accumulated other comprehensive loss balances:
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(10)	(10)
Other Comprehensive Income (Loss) before Reclassifications, Tax	3	2
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Change in accumulated other comprehensive loss balances:
Other Comprehensive Income (Loss), before Reclassifications, before Tax	18	24
Other Comprehensive Income (Loss) before Reclassifications, Tax	$ (5)	$ (6)

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- Change in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	$ 16,580	$ 18,355
Other comprehensive income (loss) before reclassifications	159	(254)
Other Comprehensive Income (Loss), Net of Tax	183	(241)
Amounts reclassified from AOCI	24	13
Balance, ending	16,964	18,293
Adjustments to Additional Paid in Capital, Other		(21)
Net Unrealized Gains (Losses) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	(220)	(174)
Other comprehensive income (loss) before reclassifications	10	(58)
Amounts reclassified from AOCI	14	0
Balance, ending	(196)	(232)
Adjustments to Additional Paid in Capital, Other		0
Net Unrealized Gains (Losses) on Securities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	(373)	(233)
Other comprehensive income (loss) before reclassifications	148	(193)
Amounts reclassified from AOCI	4	3
Balance, ending	(221)	(423)
Adjustments to Additional Paid in Capital, Other		0
Foreign Currency Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	0	(19)
Other comprehensive income (loss) before reclassifications		(2)
Other Comprehensive Income (Loss), Net of Tax	0
Amounts reclassified from AOCI	0	0
Balance, ending	0	0
Adjustments to Additional Paid in Capital, Other		(21)
Pension and Other Benefits Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	(730)	(600)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from AOCI	6	10
Balance, ending	(724)	(590)
Adjustments to Additional Paid in Capital, Other		0
Accumulated Other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	(1)	0
Other comprehensive income (loss) before reclassifications	1	(1)
Amounts reclassified from AOCI	0	0
Balance, ending	0	(1)
Adjustments to Additional Paid in Capital, Other		0
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	(1,324)	(1,026)
Other Comprehensive Income (Loss), Net of Tax	183	(241)
Balance, ending	$ (1,141)	$ (1,246)

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Employee Pension and Other Postretirement Benefits (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Pension Benefits
Components of net periodic benefit cost:
Service cost	$ 19	$ 19
Interest cost	29	25
Expected return on plan assets	(64)	(67)
Amortization of prior service credit	(6)	(6)
Recognized net actuarial loss	15	22
Total net periodic benefit (income) cost	(7)	(7)
Other Postretirement Benefits
Components of net periodic benefit cost:
Service cost	1	1
Interest cost	2	2
Expected return on plan assets	(4)	(5)
Amortization of prior service credit	(4)	(4)
Recognized net actuarial loss	2	1
Total net periodic benefit (income) cost	(3)	(5)
Superannuation Supplemental Executives Retirement Plan Defined Benefit and Executive Supplemental Defined Benefit Plan [Member]
Components of net periodic benefit cost:
Service cost	0	0
Interest cost	1	1
Expected return on plan assets	0	0
Amortization of prior service credit	0	0
Recognized net actuarial loss	1	1
Superannuation, SERP and ESBP
Components of net periodic benefit cost:
Total net periodic benefit (income) cost	$ 2	$ 2

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Commitments, Contingencies and Guarantees - Schedule of Commitments, Contingencies and Guarantees (Details) $ in Millions	Mar. 31, 2019 USD ($)
Commitments to extend credit
Commitment, Contingencies and Guarantees disclosures
Commitments	$ 33,932
Issued standby and commercial letters of credit
Commitment, Contingencies and Guarantees disclosures
Commitments	4,685
Commitments to enter into forward-starting resale agreements
Commitment, Contingencies and Guarantees disclosures
Commitments	20
Other commitments
Commitment, Contingencies and Guarantees disclosures
Commitments	$ 513

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Commitments, Contingencies and Guarantees - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Financial guarantee | Interest rate swap contracts
Guarantee disclosures
Current exposure to loss	$ 14
Future exposure to loss	$ 37
Issued standby and commercial letters of credit
Guarantee disclosures
Maximum term	1 year
Carrying value	$ 3

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Business Segments (Details) $ in Billions	3 Months Ended
	Mar. 31, 2019 USD ($) business_line branch segment
Business segments
Reportable segments | segment	4
Regional Bank
Business segments
Major business lines | business_line	5
Consumer and Business Banking Division
Business segments
Number of full-service branches | branch	342
Commercial Banking | Regional Bank
Business segments
Commercial banking customer revenues | $	$ 2

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Business Segments - Summary of Results (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Business segments
Net interest income (expense)	$ 783	$ 825
Noninterest income (expense)	632	382
Total revenue	1,415	1,207
Noninterest expense	1,170	1,084
(Reversal of) provision for credit losses	38	(2)
Income before income taxes and including noncontrolling interests	207	125
Income tax expense (benefit)	28	(42)
Net income including noncontrolling interests	179	167
Deduct: net loss from noncontrolling interests	5	(1)
Net Income Attributable to MUAH	184	166
Total assets, end of period	170,707	157,310	$ 168,100
Operating segments | Regional Bank
Business segments
Net interest income (expense)	571	526
Noninterest income (expense)	129	111
Total revenue	700	637
Noninterest expense	539	502
(Reversal of) provision for credit losses	47	12
Income before income taxes and including noncontrolling interests	114	123
Income tax expense (benefit)	25	25
Net income including noncontrolling interests	89	98
Deduct: net loss from noncontrolling interests	0	0
Net Income Attributable to MUAH	89	98
Total assets, end of period	74,396	68,940
Operating segments | U.S. Wholesale & Investment Banking
Business segments
Net interest income (expense)	100	102
Noninterest income (expense)	88	81
Total revenue	188	183
Noninterest expense	111	102
(Reversal of) provision for credit losses	(6)	(18)
Income before income taxes and including noncontrolling interests	83	99
Income tax expense (benefit)	13	138
Net income including noncontrolling interests	70	(39)
Deduct: net loss from noncontrolling interests	0	0
Net Income Attributable to MUAH	70	(39)
Total assets, end of period	20,719	20,032
Operating segments | Transaction Banking
Business segments
Net interest income (expense)	68	64
Noninterest income (expense)	15	14
Total revenue	83	78
Noninterest expense	73	57
(Reversal of) provision for credit losses	(1)	(1)
Income before income taxes and including noncontrolling interests	11	22
Income tax expense (benefit)	3	6
Net income including noncontrolling interests	8	16
Deduct: net loss from noncontrolling interests	0	0
Net Income Attributable to MUAH	8	16
Total assets, end of period	797	933
Operating segments | MUSA
Business segments
Net interest income (expense)	35	54
Noninterest income (expense)	93	88
Total revenue	128	142
Noninterest expense	123	116
(Reversal of) provision for credit losses	0	0
Income before income taxes and including noncontrolling interests	5	26
Income tax expense (benefit)	0	6
Net income including noncontrolling interests	5	20
Deduct: net loss from noncontrolling interests	0	0
Net Income Attributable to MUAH	5	20
Total assets, end of period	33,930	32,661
Segment Reconciling Items
Business segments
Net interest income (expense)	9	79
Noninterest income (expense)	307	88
Total revenue	316	167
Noninterest expense	324	307
(Reversal of) provision for credit losses	(2)	5
Income before income taxes and including noncontrolling interests	(6)	(145)
Income tax expense (benefit)	(13)	(217)
Net income including noncontrolling interests	7	72
Deduct: net loss from noncontrolling interests	5	(1)
Net Income Attributable to MUAH	12	71
Total assets, end of period	$ 40,865	$ 34,744