CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash Flows from Operating Activities
Net income	$ 248	$ 223
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion, net	56	30
Deferred income tax benefit	(56)	(19)
Share-based compensation	32	42
Net realized investment gains	(3)	(1)
Other-than-temporary impairments and provision for loan losses	7	4
Net loss (income) attributable to noncontrolling interests	(4)	18
Changes in operating assets and liabilities before consolidated investment entities:
Restricted and segregated cash and investments	(85)	6
Deferred acquisition costs	(51)	(7)
Other investments, net	(6)	(3)
Future policy benefits and claims, net	294	57
Receivables	(7)	(65)
Brokerage deposits	23	12
Accounts payable and accrued expenses	(165)	(256)
Derivatives collateral, net	(526)	9
Other, net	404	365
Changes in operating assets and liabilities of consolidated investment entities, net	14	(400)
Net cash provided by operating activities	175	15
Available-for-Sale securities:
Proceeds from sales	100	538
Maturities, sinking fund payments and calls	1,174	1,516
Purchases	(1,529)	(2,379)
Proceeds from sales, maturities and repayments of commercial mortgage loans	46	54
Funding of commercial mortgage loans	(72)	(26)
Proceeds from sales of other investments	53	50
Purchase of other investments	(76)	(80)
Purchase of investments by consolidated investment entities	(324)	(629)
Proceeds from sales, maturities and repayments of investments by consolidated investment entities	468	1,017
Purchase of land, buildings, equipment and software	(61)	(47)
Change in consumer banking loans and credit card receivables, net	(14)	(91)
Other, net	1	4
Net cash used in investing activities	(234)	(73)
Investment certificates and banking time deposits:
Proceeds from additions	185	294
Maturities, withdrawals and cash surrenders	(254)	(431)
Change in other banking deposits	149	244
Policyholder and contractholder account values:
Consideration received	392	291
Net transfers to separate accounts	(9)	(46)
Surrenders and other benefits	(335)	(371)
Deferred premium options, net	(76)	(58)
Repayments of debt		(6)
Dividends paid to shareholders	(62)	(46)
Change in short-term borrowings, net		100
Repurchase of common shares	(292)	(393)
Exercise of stock options	40	39
Excess tax benefits from share-based compensation	15	14
Borrowings by consolidated investment entities	4	15
Repayments of debt by consolidated investment entities	(90)	(32)
Noncontrolling interests investments in subsidiaries	4	64
Distributions to noncontrolling interests	(88)	(27)
Other, net		2
Net cash used in financing activities	(417)	(347)
Effect of exchange rate changes on cash	7	4
Net decrease in cash and cash equivalents	(469)	(401)
Cash and cash equivalents at beginning of period	2,781	2,861
Cash and cash equivalents at end of period	2,312	2,460
Supplemental Disclosures:
Interest paid before consolidated investment entities	37	41
Income taxes paid (received), net	$ (79)	$ 10