Consolidated Statement of Comprehensive Income (Unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Foreign currency translation, taxes	$ (75)	$ 66	$ (38)	$ (27)
Change in net unrealized losses on available-for-sale securities, net of reclassification adjustment and taxes	(94)	76	261	(402)
Change in net unrealized losses on available-for-sale securities designated in fair value hedges, taxes	10	0	(5)	40
Other-than-temporary impairment on held-to-maturity securities related to factors other than credit, taxes	2	1	10	8
Change in net unrealized losses on cash flow hedges, taxes	37	(21)	34	38
Change in minimum pension liability, taxes	$ 3	$ 6	$ (2)	$ 12