CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Tax expense (benefit) of unrealized gains/losses on cash flow hedges	$ 0	$ (26)
Tax expense (benefit) on cash flow hedges reclassified from AOCI to net income	13	4
Tax expense (benefit) of unrealized gains/losses on available for sale securities still held	7	9
Tax expense (benefit) on available for sale securities reclassified from AOCI to net income	(1)	(7)
Tax expense (benefit) of defined benefit pension and other benefits plans	(4)	(10)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	0	8
Other comprehensive income (loss) related to equity method investee, tax	$ (2)	$ (1)