CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 316	$ 723	$ 1,459	$ 1,912
Changes in:
Unrealized net capital gains and losses	63	810	(1,120)	1,480
Unrealized foreign currency translation adjustments	13	12	(20)	14
Unrecognized pension and other postretirement benefit cost	684	20	775	64
Other comprehensive income (loss), after-tax	760	842	(365)	1,558
Comprehensive income	$ 1,076	$ 1,565	$ 1,094	$ 3,470