Related Party Transactions (Effects of Affiliated Reinsurance on Statements of Operations) (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
Premiums:
Net premiums	$ 155	$ 284	$ 420	$ 1,070
Universal life and investment-type product policy fees:
Net universal life and investment-type product policy fees	624	572	1,744	1,691
Other revenues:
Other revenues	152	137	447	385
Policyholder benefits and claims:
Net policyholder benefits and claims	465	550	1,238	1,775
Interest credited to policyholder account balances:
Net interest credited to policyholder account balances	256	276	779	882
Other expenses:
Total other expenses	434	547	1,210	1,891
Affiliated Entity [Member]
Universal life and investment-type product policy fees:
Net universal life and investment-type product policy fees	53	46	155	132
Other revenues:
Other revenues	46	43	138	123
Other expenses:
Total other expenses	329	361	1,100	1,200
Affiliated Entity [Member] | Assumed Reinsurance [Member]
Premiums:
Reinsurance assumed	3	4	9	10
Universal life and investment-type product policy fees:
Reinsurance assumed	25	22	57	66
Other revenues:
Reinsurance assumed	0	0	0	0
Policyholder benefits and claims:
Reinsurance assumed	5	5	10	11
Interest credited to policyholder account balances:
Reinsurance assumed	19	18	55	53
Other expenses:
Reinsurance assumed	8	7	20	28
Affiliated Entity [Member] | Ceded Reinsurance [Member]
Premiums:
Reinsurance ceded	(163)	(126)	(466)	(323)
Universal life and investment-type product policy fees:
Reinsurance ceded	(128)	(101)	(430)	(306)
Other revenues:
Reinsurance ceded	81	79	248	213
Policyholder benefits and claims:
Reinsurance ceded	(216)	(174)	(602)	(494)
Interest credited to policyholder account balances:
Reinsurance ceded	(31)	(27)	(92)	(79)
Other expenses:
Reinsurance ceded	20	28	53	126
Affiliated Entity [Member] | Reinsurance [Member]
Premiums:
Net premiums	(160)	(122)	(457)	(313)
Universal life and investment-type product policy fees:
Net universal life and investment-type product policy fees	(103)	(79)	(373)	(240)
Other revenues:
Other revenues	81	79	248	213
Policyholder benefits and claims:
Net policyholder benefits and claims	(211)	(169)	(592)	(483)
Interest credited to policyholder account balances:
Net interest credited to policyholder account balances	(12)	(9)	(37)	(26)
Other expenses:
Total other expenses	$ 28	$ 35	$ 73	$ 154