Condensed Consolidated Statements Of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income	$ 368	$ 473
Other comprehensive income (loss):
Change in gross unrealized investment gains/losses	108	(87)
Effect of income taxes	(39)	32
Total change in unrealized investment gains/losses, net of tax	69	(55)
Reclassification adjustment for net realized gains included in investment income	(1)	(5)
Effect of income taxes	0	2
Total reclassification adjustment, net of tax	(1)	(3)
Other comprehensive income (loss), net of tax	68	(58)
Comprehensive income	$ 436	$ 415