Reserve for Life-Contingent Contract Benefits and Contractholder Funds (Details 5) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Liabilities for guarantees:
Balance at beginning of period	$ 673	$ 644
Less reinsurance recoverables	458	453
Net balance at beginning of period	215	191
Incurred guaranteed benefits	87	26
Paid guarantee benefits	(2)	(2)
Net change	85	24
Net balance at end of period	300	215
Plus reinsurance recoverables	255	458
Balance at end of period	555	673
Liability for guarantees related to death benefits and interest-sensitive life products
Liabilities for guarantees:
Balance at beginning of period	309	289
Less reinsurance recoverables	113	116
Net balance at beginning of period	196	173
Incurred guaranteed benefits	83	25
Paid guarantee benefits	(2)	(2)
Net change	81	23
Net balance at end of period	277	196
Plus reinsurance recoverables	100	113
Balance at end of period	377	309
Liability for guarantees related to income benefits
Liabilities for guarantees:
Balance at beginning of period	235	191
Less reinsurance recoverables	220	175
Net balance at beginning of period	15	16
Incurred guaranteed benefits	(1)	(1)
Net change	(1)	(1)
Net balance at end of period	14	15
Plus reinsurance recoverables	99	220
Balance at end of period	113	235
Liability for guarantees related to accumulation and withdrawal benefits
Liabilities for guarantees:
Balance at beginning of period	129	164
Less reinsurance recoverables	125	162
Net balance at beginning of period	4	2
Incurred guaranteed benefits	5	2
Net change	5	2
Net balance at end of period	9	4
Plus reinsurance recoverables	56	125
Balance at end of period	$ 65	$ 129