CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Tax expense (benefit) of unrealized gains/losses on cash flow hedges	$ (26)	$ (11)
Tax expense (benefit) on cash flow hedges reclassified from AOCI to net income	4	5
Tax expense (benefit) of unrealized gains/losses on available for sale securities still held	9	10
Tax expense (benefit) on available for sale securities reclassified from AOCI to net income	(7)	(15)
Tax expense (benefit) of defined benefit pension and other benefits plans	(10)	3
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	8	(8)
Other comprehensive income (loss) related to equity method investee, tax	$ (1)	$ (1)