CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 240	$ 171
Net unrealized gains (losses) on securities:
Net unrealized securities gains (losses) arising during the period	(141)	42
Reclassification of net securities gains included in net income		(2)
Impact on deferred acquisition costs, deferred sales inducement costs, benefit reserves and reinsurance recoverables	64	(3)
Total net unrealized gains (losses) on securities	(77)	37
Net unrealized losses on derivatives:
Reclassification of net derivative losses included in net income	1	1
Total net unrealized losses on derivatives	1	1
Total other comprehensive income (loss), net of tax	(76)	38
Total comprehensive income	$ 164	$ 209