Condensed Consolidated Statements Of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net income	$ 314	$ 290	$ 1,175	$ 1,002
Other comprehensive (loss) income:
Change in gross unrealized investment gains/losses	25	(36)	(48)	128
Effect of income taxes	(9)	13	18	(47)
Total change in unrealized investment gains/losses, net of tax	16	(23)	(30)	81
Reclassification adjustment for net realized gains included in investment income	(51)	(6)	(88)	(9)
Effect of income taxes	19	2	32	3
Total reclassification adjustment, net of tax	(32)	(4)	(56)	(6)
Other comprehensive (loss) income, net of tax	(16)	(27)	(86)	75
Comprehensive income	$ 298	$ 263	$ 1,089	$ 1,077