Consolidated Statement of Comprehensive Income (Unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
Foreign currency translation, net of related taxes of	$ (20)	$ 45	$ 68
Change in net unrealized losses on available-for-sale securities, net of reclassification adjustment and net of related taxes of	(521)	469	242
Change in net unrealized losses on available-for-sale securities designated in fair value hedges, net of related taxes of	56	17	(49)
Other-than-temporary impairment on held-to-maturity securities related to factors other than credit, net of related taxes of	11	13	15
Change in net unrealized losses on cash flow hedges, net of related taxes of	62	52	3
Change in minimum pension liability, net of related taxes of	$ 71	$ (36)	$ (15)