CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows from Operating Activities
Net income	$ 646	$ 418
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation, amortization and accretion, net	116	110
Deferred income tax expense	18	5
Share-based compensation	71	66
Net realized investment gains	(5)	(7)
Net unrealized trading losses		1
Loss (income) and gain from sale of equity method investments	(25)	9
Other-than-temporary impairments and provision for loan losses	5	17
Net losses (gains) of consolidated investment entities	(9)	61
Changes in operating assets and liabilities:
Restricted and segregated cash and investments	215	62
Deferred acquisition costs		(26)
Other investments, net	1	15
Future policy benefits and claims, net	(812)	(190)
Derivatives, net of collateral	716	33
Receivables	(239)	(39)
Brokerage deposits	(147)	(68)
Accounts payable and accrued expenses	(23)	(71)
Cash held by consolidated investment entities	(456)	(81)
Investment properties of consolidated investment entities	(172)	(11)
Other operating assets and liabilities of consolidated investment entities, net	11	26
Other, net	(4)	138
Net cash provided by (used in) operating activities	(93)	468
Available-for-Sale securities:
Proceeds from sales	269	150
Maturities, sinking fund payments and calls	2,455	2,335
Purchases	(2,391)	(2,367)
Proceeds from sales, maturities and repayments of commercial mortgage loans	151	135
Funding of commercial mortgage loans	(188)	(106)
Proceeds from sales of other investments	200	98
Purchase of other investments	(207)	(206)
Purchase of investments by consolidated investment entities	(1,501)	(909)
Proceeds from sales, maturities and repayments of investments by consolidated investment entities	1,837	1,150
Purchase of land, buildings, equipment and software	(38)	(99)
Change in consumer loans, net	91	(1)
Other, net	12	(7)
Net cash provided by investing activities	690	173
Investment certificates and banking time deposits:
Proceeds from additions	1,105	427
Maturities, withdrawals and cash surrenders	(899)	(472)
Change in other banking deposits		349
Policyholder and contractholder account values:
Consideration received	649	748
Net transfers to separate accounts	(44)	(24)
Surrenders and other benefits	(649)	(620)
Cash paid for purchased options with deferred premiums	(215)	(172)
Change in short-term borrowings, net	(1)	(7)
Dividends paid to shareholders	(197)	(139)
Repurchase of common shares	(807)	(666)
Exercise of stock options	74	45
Excess tax benefits from share-based compensation	77	28
Borrowings by consolidated investment entities	1,054	83
Repayments of debt by consolidated investment entities	(791)	(194)
Noncontrolling interests investments in subsidiaries	81	62
Distributions to noncontrolling interests	(54)	(149)
Other, net	(1)	(2)
Net cash used in financing activities	(618)	(703)
Effect of exchange rate changes on cash	(19)	2
Net decrease in cash and cash equivalents	(40)	(60)
Cash and cash equivalents at beginning of period	2,371	2,781
Cash and cash equivalents at end of period	2,331	2,721
Supplemental Disclosures:
Interest paid before consolidated investment entities	90	95
Income taxes paid, net	93	131
Non-cash investing activity:
Affordable housing partnership commitments not yet remitted	$ 28	$ 22