Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Net income (loss)	$ 935	$ 1,269	$ 2,349	$ 1,789
Other Comprehensive Loss, net of tax
Foreign currency translation adjustments	(122)	(102)	(238)	(50)
Pension and OPEB adjustments	(3)	1	(1)	1
Net unrealized (losses) gains on cash flow hedges	(9)	2	(7)	(10)
Reclassification into earnings from cash flow hedges	1	2	6	5
Unrealized gains (losses) on available-for-sale securities	(2)		(5)	2
Other Comprehensive Loss, net of tax	(135)	(97)	(245)	(52)
Comprehensive Income	800	1,172	2,104	1,737
Less: Comprehensive (Loss) Income Attributable to Noncontrolling Interests	(2)	(1)		8
Comprehensive Income Attributable to Parent	$ 802	$ 1,173	$ 2,104	$ 1,729