CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash Flows from Operating Activities [Abstract]
Net income	$ 955	$ 982
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion, net	123	129
Deferred income tax expense (benefit)	88	(45)
Share-based compensation	70	63
Net realized investment gains	(17)	(7)
Net trading gains	(4)	(4)
Loss from equity method investments	14	4
Other-than-temporary impairments and provision for loan losses	2	1
Net losses (gains) of consolidated investment entities	(125)	(206)
Changes in operating assets and liabilities:
Restricted and segregated cash and investments	123	16
Deferred acquisition costs	(3)	(1)
Other investments, net	53	(43)
Policyholder account balances, future policy benefits and claims, net	(183)	248
Derivatives, net of collateral	256	(244)
Receivables	(278)	(294)
Brokerage deposits	5	23
Accounts payable and accrued expenses	(144)	(98)
Cash held by consolidated investment entities	(79)	(290)
Investment properties of consolidated investment entities	61	(189)
Other operating assets and liabilities of consolidated investment entities, net	44	(14)
Other, net	571	333
Net cash provided by operating activities	1,532	364
Available-for-Sale securities:
Proceeds from sales	56	292
Maturities, sinking fund payments and calls	2,499	1,972
Purchases	(2,338)	(1,622)
Proceeds from maturities and repayments of mortgage loans	319	284
Funding of mortgage loans	(268)	(256)
Proceeds from sales and collections of other investments	111	117
Purchase of other investments	(142)	(225)
Purchase of investments by consolidated investment entities	(1,243)	(1,501)
Proceeds from sales, maturities and repayments of investments by consolidated investment entities	859	1,134
Purchase of land, buildings, equipment and software	(67)	(40)
Other, net	32	3
Net cash provided by (used in) investing activities	(182)	158
Investment certificates:
Proceeds from additions	1,375	1,315
Maturities, withdrawals and cash surrenders	(1,227)	(1,114)
Policyholder account balances:
Deposits and other additions	984	1,021
Net transfers to separate accounts	(102)	(109)
Surrenders and other benefits	(1,566)	(1,363)
Cash paid for purchased options with deferred premiums	(216)	(229)
Cash received from purchased options with deferred premiums	8	54
Repayments of Long-term Debt	0	(200)
Change in short-term borrowings, net	0	301
Dividends paid to shareholders	(229)	(211)
Repurchase of common shares	(826)	(838)
Exercise of stock options	11	19
Excess tax benefits from share-based compensation	54	109
Borrowings by consolidated investment entities	768	1,554
Repayments of debt by consolidated investment entities	(261)	(675)
Noncontrolling interests investments in subsidiaries	135	114
Distributions to noncontrolling interests	(329)	(173)
Net cash used in financing activities	(1,421)	(1,027)
Effect of exchange rate changes on cash	3	14
Net decrease in cash and cash equivalents	(68)	(491)
Cash and cash equivalents at beginning of period	2,638	2,632
Cash and cash equivalents at end of period	2,570	2,141
Income taxes paid, net	80	225
Non-cash investing activity:
Affordable housing partnership commitments not yet remitted	9
Ameriprise Financial [Member]
Interest paid	95	91
Consolidated investment entities [Member]
Policyholder account balances:
Cash and cash equivalents at beginning of period	390
Cash and cash equivalents at end of period	471
Interest paid	$ 114	$ 96