CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash Flow Hedges - Effective portion of net unrealized gains (tax (benefit) expense)	$ (37)	$ (80)	$ 45
Cash Flow Hedges - Reclassification from AOCI to net income (tax (benefit) expense)	25	57	38
Available for Sale - Net unrealized gains on securities still held (tax (benefit) expense)	(8)	45	84
Available for Sale - Reclassification from AOCI to net income (tax (benefit) expense)	(33)	(26)	(10)
Defined benefit pension and other benefits plans (tax (benefit) expense)	(26)	(27)	61
Net unrealized gains on foreign currency translation (tax (benefit) expense)	(2)	(12)	(22)
Other comprehensive income (loss) related to equity method investee, tax	$ 0	$ (5)	$ 5