CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash Flows from Operating Activities [Abstract]
Net income	$ 479us-gaap_ProfitLoss	$ 515us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion, net	66	63
Deferred income tax expense (benefit)	66us-gaap_DeferredIncomeTaxExpenseBenefit	(37)us-gaap_DeferredIncomeTaxExpenseBenefit
Share-based compensation	35us-gaap_ShareBasedCompensation	30us-gaap_ShareBasedCompensation
Net realized investment gains	(12)us-gaap_GainLossOnSaleOfInvestments	(6)us-gaap_GainLossOnSaleOfInvestments
Net trading gains	(3)	(2)
Loss from equity method investments	5	3
Other-than-temporary impairments and provision for loan losses	2	1
Net gains of consolidated investment entities	(9)	(101)
Changes in operating assets and liabilities:
Restricted and segregated cash and investments	(99)	(31)
Deferred acquisition costs	(5)	8
Other investments, net	(55)	0
Policyholder account balances, future policy benefits and claims, net	419	121
Derivatives, net of collateral	(265)amp_DerivativesNetOfCollateral	(85)amp_DerivativesNetOfCollateral
Receivables	(184)us-gaap_IncreaseDecreaseInReceivables	(144)us-gaap_IncreaseDecreaseInReceivables
Brokerage deposits	110	60
Accounts payable and accrued expenses	(196)	(183)
Cash held by consolidated investment entities	52	(72)
Investment properties of consolidated investment entities	(33)	49
Other operating assets and liabilities of consolidated investment entities, net	(4)	(14)
Other, net	544	259
Net cash provided by operating activities	913	434
Available-for-Sale securities:
Proceeds from sales	48	161
Maturities, sinking fund payments and calls	1,351	1,104
Purchases	(1,207)	(1,029)
Proceeds from maturities and repayments of mortgage loans	163	140
Funding of mortgage loans	(91)	(124)
Proceeds from sales and collections of other investments	41	57
Purchase of other investments	(93)	(111)
Purchase of investments by consolidated investment entities	(403)	(742)
Proceeds from sales, maturities and repayments of investments by consolidated investment entities	396	418
Purchase of land, buildings, equipment and software	(29)	(20)
Other, net	6	1
Net cash provided by (used in) investing activities	182	(145)
Investment certificates:
Proceeds from additions	662	617
Maturities, withdrawals and cash surrenders	(559)	(528)
Policyholder account balances:
Deposits and other additions	470us-gaap_AdditionsToContractHoldersFunds	494us-gaap_AdditionsToContractHoldersFunds
Net transfers to separate accounts	(56)	(56)
Surrenders and other benefits	(788)	(661)
Cash paid for purchased options with deferred premiums	(89)	(124)
Cash received from purchased options with deferred premiums	0	47
Change in short-term borrowings, net	0	(200)
Dividends paid to shareholders	(107)us-gaap_PaymentsOfDividends	(100)us-gaap_PaymentsOfDividends
Repurchase of common shares	(394)	(457)
Exercise of stock options	6	11
Excess tax benefits from share-based compensation	45	92
Borrowings by consolidated investment entities	199	478
Repayments of debt by consolidated investment entities	(192)	(85)
Noncontrolling interests investments in subsidiaries	117	0
Distributions to noncontrolling interests	(219)us-gaap_PaymentsToMinorityShareholders	(49)us-gaap_PaymentsToMinorityShareholders
Net cash used in financing activities	(905)	(521)
Effect of exchange rate changes on cash	(19)	3
Net increase (decrease) in cash and cash equivalents	171	(229)
Cash and cash equivalents at beginning of period	2,638	2,632
Cash and cash equivalents at end of period	2,809	2,403
Supplemental Disclosures
Income taxes paid, net	21us-gaap_IncomeTaxesPaidNet	50us-gaap_IncomeTaxesPaidNet
Non-cash investing activity:
Affordable housing partnership commitments not yet remitted	10us-gaap_LiabilitiesAssumed1
Ameriprise Financial [Member]
Supplemental Disclosures
Interest paid	28	32
Consolidated investment entities [Member]
Policyholder account balances:
Cash and cash equivalents at beginning of period	390
Cash and cash equivalents at end of period	338
Supplemental Disclosures
Interest paid	$ 54	$ 44

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Changes in other assets and liabilities of consolidated investment entities classified as operating activities.

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The change during the reporting period in freestanding derivatives, net of the change in derivatives collateral held and derivatives collateral posted with counterparties.

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The gross cash outflow associated with maturities, withdrawals and cash surrenders for investment certificates and certificates of deposit.

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The sum of other-than-temporary impairments recognized in earnings and the change in loan loss provisions. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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The cash inflow (outflow) associated with transfers from (to) separate accounts.

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The cash inflow from the sales and maturities of investments by the consolidated investment entities.

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The cash inflow from a segregated fund account during the period.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.

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Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.

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The increase (decrease) during the period in the amount of customer money held in customer accounts, including security deposits, collateral for a current or future transactions, initial payment of the cost of acquisition or for the right to enter into a contract or agreement.

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The increase (decrease) during the reporting period in the balance sheet value of capitalized sales costs that are associated with acquiring a new insurance customers.

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The increase (decrease) in insurance liability balances during the period.

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The increase (decrease) during the reporting period in other assets used in operating activities less other operating liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets and liabilities, other noncurrent assets and liabilities, or a combination of other current and noncurrent assets and liabilities.

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The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities.

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The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as operating activities. This may include cash restricted for regulatory purposes.

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The amount of cash paid for interest during the period.

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The fair value of liabilities assumed in noncash investing or financing activities.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The sum of the realized and unrealized net gain (loss) on trading securities during the period.

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The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

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The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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The cash outflow for a segregated fund account during the period.

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