Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
Cash flows from operating activities:
Net earnings	$ 1,542		$ 1,781
Adjustments to reconcile net earnings to net cash provided by operating activities:
Change in receivables and advance premiums	24		29
Increase in deferred policy acquisition costs	(85)		(219)
Increase in policy liabilities	1,632		4,027
Change in income tax liabilities	(83)		606
Realized investment (gains) losses	(56)		(357)
Other, net	158		(169)
Net cash provided (used) by operating activities	3,132		5,698
Securities available for sale:
Fixed maturities sold	1,536		1,901
Fixed maturities matured or called	330		1,895
Perpetual securities sold	60		54
Perpetual securities matured or called	0		417
Securities held to maturity:
Fixed maturities matured or called	4,759		5,586
Costs of investments acquired:
Available for sale fixed maturities acquired	(7,000)		(8,660)
Held to maturity fixed maturities acquired	0		(629)
Settlement of derivatives, net	(246)		(1,562)
Cash received as collateral, net	(3,058)		(4,771)
Other, net	25		(41)
Net cash provided (used) by investing activities	(3,594)		(5,810)
Cash flows from financing activities:
Purchases of treasury stock	(522)		(287)
Proceeds from borrowings	0		700
Dividends paid to shareholders	(324)		(315)
Change in investment-type contracts, net	1,023		381
Treasury stock reissued	21		39
Other, net	3		8
Net cash provided (used) by financing activities	201		526
Effect of exchange rate changes on cash and cash equivalents	(30)		(67)
Net change in cash and cash equivalents	(291)		347
Cash and cash equivalents, beginning of period	2,543		2,041
Cash and cash equivalents, end of period	2,252		2,388
Supplemental disclosures of cash flow information:
Income taxes paid	873		395
Interest paid	121		103
Noncash interest	39	[1]	37	[1]
Impairment losses included in realized investment losses	31	[2]	55	[2]
Associate stock bonus
Treasury stock issued for:
Treasury stock issued	18		20
Shareholder dividend reinvestment
Treasury stock issued for:
Treasury stock issued	14		12
Share-based compensation grants
Treasury stock issued for:
Treasury stock issued	$ 3		$ 4

[1] Consists primarily of accreted interest on discounted advance premiums

[2] Includes $0 and $1 for the six-month periods ended June 30, 2014 and 2013, respectively, for impairments due to severity and duration of decline in fair value; and $28 and $0 for the three-month periods and $31 and $54 for the six-month periods ended June 30, 2014 and 2013, respectively, from change in intent to sell securities