Consolidated Statements of Cash Flows - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2015		Jun. 30, 2014
Cash flows from operating activities:
Net earnings		$ 1,236		$ 1,542
Adjustments to reconcile net earnings to net cash provided by operating activities:
Change in receivables and advance premiums		1		24
Increase in deferred policy acquisition costs		(87)		(85)
Increase in policy liabilities		1,714		1,632
Change in income tax liabilities		130		(83)
Realized investment (gains) losses		(140)		(56)
Other, net		249	[1]	158
Net cash provided (used) by operating activities		3,103		3,132
Securities available for sale:
Fixed maturities sold		1,410		1,536
Fixed maturities matured or called		518		330
Perpetual securities sold		0		60
Perpetual securities matured or called		348		0
Equity securities sold		1		0
Securities held to maturity:
Fixed maturities matured or called		420		4,759
Costs of investments acquired:
Available for sale fixed maturities acquired		(3,004)		(7,000)
Other investments, net		(31)		141
Settlement of derivatives, net		(2,200)		(246)
Cash received (pledged or returned) as collateral, net		(1,001)		(3,058)
Other, net		(27)		(116)
Net cash provided (used) by investing activities		(3,566)		(3,594)
Cash flows from financing activities:
Purchases of treasury stock		(848)		(522)
Proceeds from borrowings		998		0
Principal payments under debt obligations		(850)		0
Dividends paid to shareholders		(328)		(324)
Change in investment-type contracts, net		147		1,023
Treasury stock reissued		20		21
Other, net		(226)	[1]	3
Net cash provided (used) by financing activities		(1,087)		201
Effect of exchange rate changes on cash and cash equivalents		(5)		(30)
Net change in cash and cash equivalents		(1,555)		(291)
Cash and cash equivalents, beginning of period		4,658		2,543
Cash and cash equivalents, end of period		3,103		2,252
Supplemental disclosures of cash flow information:
Income taxes paid		527		873
Interest paid		127		121
Noncash interest		30		39
Impairment losses included in realized investment losses	[2]	6		31
Capital lease obligations incurred		1		0
Associate stock bonus
Treasury stock issued for:
Treasury stock issued		18		18
Shareholder dividend reinvestment
Treasury stock issued for:
Treasury stock issued		12		14
Share-based compensation grants
Treasury stock issued for:
Treasury stock issued		4		$ 3
8.50% senior notes due May 2019
Extinguishment of debt, make-whole premium		$ 230

[1] Operating activities excludes and financing activities includes a cash outflow of $230 for the make-whole payment associated with the early extinguishment of debt

[2] Includes an immaterial amount and $28 for the three-month periods and $6 and $31 for the six-month periods ended June 30, 2015 and 2014, respectively, from change in intent to sell securities