CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities
Net income	$ 600	$ 709
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other non-cash items	98	87
Realized capital gains and losses	(54)	(131)
Loss (gain) on disposition of operations	59	(2)
Interest credited to contractholder funds	307	345
Changes in:
Policy benefits and other insurance reserves	(18)	(514)
Unearned premiums	(92)	(146)
Deferred policy acquisition costs	3	(30)
Premium installment receivables, net	(46)	(22)
Reinsurance recoverables, net	(45)	406
Income taxes	(68)	277
Other operating assets and liabilities	(270)	(239)
Net cash provided by operating activities	474	740
Proceeds from sales
Fixed income securities	6,483	5,474
Equity securities	1,328	210
Limited partnership interests	238	160
Mortgage loans	10	2
Other investments	30	15
Investment collections
Fixed income securities	849	1,745
Mortgage loans	324	237
Other investments	50	54
Investment purchases
Fixed income securities	(6,252)	(6,084)
Equity securities	(1,330)	(317)
Limited partnership interests	(277)	(255)
Mortgage loans	(2)	(75)
Other investments	(243)	(196)
Change in short-term investments, net	189	(808)
Change in other investments, net	36	34
Purchases of property and equipment, net	(55)	(60)
Disposition of operations	(2)
Net cash provided by investing activities	1,376	136
Cash flows from financing activities
Proceeds from issuance of long-term debt		492
Repayments of long-term debt	(1)
Proceeds from issuance of preferred stock	725
Contractholder fund deposits	403	591
Contractholder fund withdrawals	(1,084)	(1,259)
Dividends paid on common stock	(113)
Dividends paid on preferred stock	(12)
Treasury stock purchases	(1,115)	(739)
Shares reissued under equity incentive plans, net	77	17
Excess tax benefits on share-based payment arrangements	13	23
Other	(6)	13
Net cash used in financing activities	(1,113)	(862)
Cash classified as held for sale	(242)
Net increase in cash	495	14
Cash at beginning of period	675	806
Cash at end of period	$ 1,170	$ 820