CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities
Net income	$ 569	$ 729
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion, net	168	61
Deferred income tax expense		151
Share-based compensation	98	101
Net realized investment losses (gains)	46	(21)
Net unrealized trading losses	2	2
Loss from equity method investments	9	38
Other-than-temporary impairments and provision for loan losses	33	29
Net loss of consolidated investment entities	95	162
Changes in operating assets and liabilities:
Restricted and segregated cash and investments	(109)	95
Deferred acquisition costs	(32)	114
Other investments, net	19	(16)
Future policy benefits and claims, net	304	(100)
Receivables	(139)	(139)
Brokerage deposits	207	78
Accounts payable and accrued expenses	90	(111)
Derivatives collateral, net	(642)	449
Cash held by consolidated investment entities	(137)	43
Investment properties of consolidated investment entities	(94)	(278)
Other operating assets and liabilities of consolidated investment entities, net	25	26
Other, net	371	38
Net cash provided by operating activities	883	1,451
Available-for-Sale securities:
Proceeds from sales	600	656
Maturities, sinking fund payments and calls	3,668	4,107
Purchases	(3,345)	(5,469)
Proceeds from sales, maturities and repayments of commercial mortgage loans	197	185
Funding of commercial mortgage loans	(162)	(130)
Proceeds from sales of other investments	136	135
Purchase of other investments	(273)	(257)
Purchase of investments by consolidated investment entities	(1,215)	(2,542)
Proceeds from sales, maturities and repayments of investments by consolidated investment entities	1,619	2,696
Purchase of land, buildings, equipment and software	(143)	(149)
Change in consumer banking loans and credit card receivables, net	40	(288)
Other, net	(9)	(3)
Net cash provided by (used in) investing activities	1,113	(1,059)
Investment certificates and banking time deposits:
Proceeds from additions	966	681
Maturities, withdrawals and cash surrenders	(724)	(1,013)
Change in other banking deposits	(246)	1,092
Policyholder and contractholder account values:
Consideration received	1,082	978
Net transfers to separate accounts	(30)	(3)
Surrenders and other benefits	(909)	(1,010)
Deferred premium options, net	(256)	(177)
Repayments of debt		(8)
Change in short-term borrowings, net	(5)	107
Dividends paid to shareholders	(212)	(158)
Repurchase of common shares	(1,008)	(1,233)
Exercise of stock options	77	50
Excess tax benefits from share-based compensation	41	89
Borrowings by consolidated investment entities	175	163
Repayments of debt by consolidated investment entities	(374)	(222)
Noncontrolling interests investments in subsidiaries	123	148
Distributions to noncontrolling interests	(158)	(42)
Other, net	(3)	(1)
Net cash used in financing activities	(1,461)	(559)
Effect of exchange rate changes on cash	9	(1)
Net increase (decrease) in cash and cash equivalents	544	(168)
Cash and cash equivalents at beginning of period	2,781	2,861
Cash and cash equivalents at end of period	3,325	2,693
Supplemental Disclosures:
Interest paid before consolidated investment entities	133	142
Income taxes paid, net	174	355
Non-cash investing activity:
Affordable housing partnership commitments not yet remitted	$ 16	$ 124