CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Tax expense (benefit) of unrealized gains/losses on cash flow hedges	$ (24)	$ (28)	$ (26)	$ (33)
Tax expense (benefit) on cash flow hedges reclassified from AOCI to net income	2	(1)	11	7
Tax expense (benefit) of unrealized gains/losses on available for sale securities still held	(6)	1	25	15
Tax expense (benefit) on available for sale securities reclassified from AOCI to net income	(21)	(9)	(25)	(14)
Tax expense (benefit) of defined benefit pension and other benefits plans	5		(3)	4
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	(1)	1	2	6
Other comprehensive income (loss) related to equity method investee, tax	$ 1		$ (4)