Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Net income (loss)	$ 1,269		$ 1,008		$ 1,789		$ 1,984
Other Comprehensive Loss, net of tax
Foreign currency translation adjustments	(102)		(8)		(50)		(137)
Pension and OPEB adjustments	1				1		5
Net unrealized gain (loss) on cash flow hedges	2	[1]	1	[1]	(10)	[1]	55	[1]
Reclassification into earnings from cash flow hedges	2		1		5		1
Unrealized gains (losses) on investments in available-for-sale securities			(1)		2		(5)
Reclassification into earnings from available-for-sale-securities			3				3
Other Comprehensive Loss, net of tax	(97)		(4)		(52)		(78)
Comprehensive Income (Loss)	1,172		1,004		1,737		1,906
Less: Comprehensive (Loss) Income Attributable to Noncontrolling Interests	(1)		4		8		3
Comprehensive Income Attributable to Parent	$ 1,173		$ 1,000		$ 1,729		$ 1,903

[1] Net of insignificant tax expense and $5 million tax benefit for the three and nine months ended September 30, 2014 and $1 million tax benefit and $17 million tax expense for the three and nine months ended September 30, 2013.