CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash Flows from Operating Activities
Net income	$ 418	$ 510
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion, net	110	67
Deferred income tax expense	5	48
Share-based compensation	66	80
Net realized investment gains	(7)	(21)
Net unrealized trading losses	1	1
Loss from equity method investments	9	12
Other-than-temporary impairments and provision for loan losses	17	24
Net loss of consolidated investment entities	61	51
Changes in operating assets and liabilities:
Restricted and segregated cash and investments	62	(14)
Deferred acquisition costs	(26)	(7)
Other investments, net	15	(73)
Future policy benefits and claims, net	69	15
Receivables	(39)	(157)
Brokerage deposits	(68)	48
Accounts payable and accrued expenses	(71)	(75)
Derivatives collateral, net	(372)	61
Cash held by consolidated investment entities	(81)	(7)
Investment properties of consolidated investment entities	(11)	(181)
Other operating assets and liabilities of consolidated investment entities, net	26	21
Other, net	284	255
Net cash provided by operating activities	468	658
Available-for-Sale securities:
Proceeds from sales	150	644
Maturities, sinking fund payments and calls	2,335	3,025
Purchases	(2,367)	(4,111)
Proceeds from sales, maturities and repayments of commercial mortgage loans	135	112
Funding of commercial mortgage loans	(106)	(62)
Proceeds from sales of other investments	98	88
Purchase of other investments	(206)	(151)
Purchase of investments by consolidated investment entities	(909)	(1,785)
Proceeds from sales, maturities and repayments of investments by consolidated investment entities	1,150	1,949
Purchase of land, buildings, equipment and software	(99)	(89)
Change in consumer banking loans and credit card receivables, net	(1)	(216)
Other, net	(7)
Net cash provided by (used in) investing activities	173	(596)
Investment certificates and banking time deposits:
Proceeds from additions	427	487
Maturities, withdrawals and cash surrenders	(472)	(750)
Change in other banking deposits	349	864
Policyholder and contractholder account values:
Consideration received	748	626
Net transfers to separate accounts	(24)	(59)
Surrenders and other benefits	(620)	(712)
Deferred premium options, net	(172)	(125)
Repayments of debt		(6)
Change in short-term borrowings, net	(7)	108
Dividends paid to shareholders	(139)	(103)
Repurchase of common shares	(666)	(795)
Exercise of stock options	45	49
Excess tax benefits from share-based compensation	28	37
Borrowings by consolidated investment entities	83	121
Repayments of debt by consolidated investment entities	(194)	(180)
Noncontrolling interests investments in subsidiaries	62	101
Distributions to noncontrolling interests	(149)	(36)
Other, net	(2)	(1)
Net cash used in financing activities	(703)	(374)
Effect of exchange rate changes on cash	2	4
Net decrease in cash and cash equivalents	(60)	(308)
Cash and cash equivalents at beginning of period	2,781	2,861
Cash and cash equivalents at end of period	2,721	2,553
Supplemental Disclosures:
Interest paid before consolidated investment entities	95	104
Income taxes paid, net	131	223
Non-cash investing activity:
Affordable housing partnership commitments not yet remitted	$ 22	$ 111