Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Other Comprehensive Income Loss Textuals [Abstract]
Net unrealized securities gains (losses), tax	$ 1	$ (72)	$ 24	$ (90)
Net unrealized derivatives gains, tax	0	0	0	0
Foreign currency translation adjustments, tax	(55)	142	(78)	131
Net unrealized pension and other postretirement benefit gains, tax	$ 5	$ 10	$ 20	$ 31