Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash Flows from Operating Activities
Net Income	$ 1,632	$ 1,118
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	435	445
Realized investment (gains) losses	(130)	(192)
Deferred income taxes	12	237
Gains on sale of businesses (excluding discontinued operations)	(11)	(11)
Net changes in assets and liabilities, net of non-operating effects:
Premiums, accounts and notes receivable	(574)	(64)
Reinsurance recoverables	49	348
Deferred policy acquisition costs	(138)	(183)
Other assets	(186)	368
Insurance liabilities	433	870
Accounts payable, accrued expenses and other liabilities	(39)	(524)
Current income taxes	53	(33)
Cash used to exit Run-off Reinsurance business	0	(2,196)
Other, net	(64)	(76)
Net cash provided by / (used in) operating activities	1,472	107
Proceeds from investments sold:
Fixed maturities	818	1,671
Equity securities	36	3
Investment maturities and repayments:
Fixed maturities	1,285	1,192
Equity securities	0	27
Commercial mortgage loans	375	468
Other sales, maturities and repayments (primarily short-term and other long-term investments)	1,889	766
Investments purchased or originated:
Fixed maturities	(3,953)	(1,580)
Equity securities	(74)	(56)
Commercial mortgage loans	(186)	(26)
Other (primarily short-term and other long-term investments)	(1,221)	(1,227)
Property and equipment purchases	(350)	(414)
Other, net	(24)	(84)
Net cash provided by/ (used in) investing activities	(1,405)	740
Cash Flows from Financing Activities
Deposits and interest credited to contractholder deposit funds	1,154	1,078
Withdrawals and benefit payments from contractholder deposit funds	(1,129)	(1,029)
Change in cash overdraft position	20	9
Net change in short-term debt	(104)	(100)
Repayment of long-term debt	0	(7)
Repurchase of common stock	(1,256)	(836)
Issuance of common stock	93	132
Common dividends paid	(11)	(11)
Other, net	9	(7)
Net cash (used in) / provided by financing activities	(1,224)	(771)
Effect of foreign currency rate changes on cash and cash equivalents	(17)	1
Net increase (decrease) in cash and cash equivalents	(1,174)	77
Cash and cash equivalents, beginning of year	2,795	2,978
Cash and cash equivalents, end of year	1,621	3,055
Supplemental Disclosure of Cash Information:
Income taxes paid, net of refunds	846	289
Interest paid	$ 203	$ 203