Other Expenses (Other Expenses) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Other Income and Expenses [Abstract]
Compensation	$ 83	$ 85	$ 254	$ 261
Commissions	151	214	514	740
Volume-related costs	22	32	62	130
Affiliated interest costs on ceded reinsurance	52	54	150	201
Capitalization of DAC	(112)	(197)	(399)	(691)
Amortization of DAC and VOBA	42	185	72	639
Interest expense on debt and debt issuance costs	47	57	147	176
Premium taxes, licenses and fees	14	11	42	51
Professional services	19	6	29	18
Rent	8	9	23	26
Other	108	91	316	340
Total other expenses	$ 434	$ 547	$ 1,210	$ 1,891