CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 650	$ 821	$ 689
Net unrealized gains on securities:
Net unrealized securities gains arising during the period	451	364	516
Reclassification of net securities (gains) losses included in net income	1	(3)	(13)
Impact on deferred acquisition costs, deferred sales inducement costs, benefit reserves and reinsurance recoverables	(154)	(194)	(169)
Total net unrealized gains on securities	298	167	334
Net unrealized losses on derivatives:
Reclassification of net derivative losses included in net income	5	4	4
Total net unrealized losses on derivatives	5	4	4
Total other comprehensive income, net of tax	303	171	338
Total comprehensive income	$ 953	$ 992	$ 1,027