Stockholders' Equity (Schedule of Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Components of Other Comprehensive Income (Loss) [Line Items]
Cumulative translation adjustment, pre-tax	$ (14)		$ (412)		$ (223)		$ (242)
Cumulative translation adjustment, tax	0		0		0		0
Cumulative translation adjustment, after-tax	(14)		(412)		(223)		(242)
Additions and revaluations of derivatives designated as cash flow hedges, pre-tax	(8)	[1]	38	[1]	(24)	[1]	36	[1]
Additions and revaluations of derivatives designated as cash flow hedges, tax	2		(15)		9		(15)
Additions and revaluations of derivatives designated as cash flow hedges, after-tax	(6)		23		(15)		21
Clearance of hedge results to earnings, pre-tax	(18)		(23)		(28)		(55)
Net revaluation and clearance of cash flow hedges to earnings, pre-tax	(26)		15		(52)		(19)
Net revaluation and clearance of cash flow hedges to earnings, tax	9		(5)		20		8
Net revaluation and clearance of cash flow hedges to earnings, after-tax	(17)		10		(32)		(11)
Net unrealized gain (loss) on securities, pre-tax	3		1		1		2
Net unrealized gain (loss) on securities, tax	(1)		(1)		(1)		(1)
Net unrealized gain (loss) on securities, net of tax	2		0		0		1
Other comprehensive income (loss), pre-tax	185		(177)		244		174
Other comprehensive income (loss), tax	(67)		(76)		(142)		(140)
Other comprehensive income (loss), after-tax	118		(253)		102		34
Pension Plans [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Net (loss) gain, pre-tax	0	[1]	4	[1]	56	[1]	(19)	[1]
Net (loss) gain, tax	0		7		(14)		10
Net (loss) gain, after-tax	0		11		42		(9)
Prior service benefit (cost), pre-tax	0	[1]	0	[1]	0	[1]	22	[1]
Prior service benefit (cost), tax	0		(1)		0		(8)
Prior service benefit (cost), after-tax	0		(1)		0		14
Amortization of prior service cost (benefit), pre-tax	3	[2]	3	[2]	6	[2]	7	[2]
Amortization of prior service cost (benefit), tax	(1)		(1)		(2)		(2)
Amortization of prior service cost (benefit), after tax	2		2		4		5
Amortization of (gain) loss, pre-tax	239	[2]	220	[2]	480	[2]	439	[2]
Amortization of (gain) loss, tax	(82)		(77)		(164)		(152)
Amortization of (gain) loss, after tax	157		143		316		287
Curtailment (gain) loss, pre-tax					1	[2]	0	[2]
Curtailment (gain) loss, tax					0		0
Curtailment (gain) loss, after tax					1		0
Settlement loss, pre-tax					152	[2]	0	[2]
Settlement loss, tax					(45)		0
Settlement loss, after tax					107		0
Benefit plans, net, pre-tax	242		227		695		449
Benefit plans, net, tax	(83)		(72)		(225)		(152)
Benefit plans, net, after-tax	159		155		470		297
Other Long-Term Employee Benefit Plans Defined Benefit [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Net (loss) gain, pre-tax	28	[1]	0	[1]	45	[1]	0	[1]
Net (loss) gain, tax	(9)		0		(15)		0
Net (loss) gain, after-tax	19		0		30		0
Amortization of prior service cost (benefit), pre-tax	(46)	[2]	(30)	[2]	(94)	[2]	(60)	[2]
Amortization of prior service cost (benefit), tax	17		9		34		20
Amortization of prior service cost (benefit), after tax	(29)		(21)		(60)		(40)
Amortization of (gain) loss, pre-tax	(2)	[2]	22	[2]	25	[2]	44	[2]
Amortization of (gain) loss, tax	0		(7)		(9)		(15)
Amortization of (gain) loss, after tax	(2)		15		16		29
Curtailment (gain) loss, pre-tax					(154)	[2]	0	[2]
Curtailment (gain) loss, tax					54		0
Curtailment (gain) loss, after tax					(100)		0
Settlement loss, pre-tax					1	[2]	0	[2]
Settlement loss, tax					0		0
Settlement loss, after tax					1		0
Benefit plans, net, pre-tax	(20)		(8)		(177)		(16)
Benefit plans, net, tax	8		2		64		5
Benefit plans, net, after-tax	(12)		(6)		(113)		(11)
Net Sales [Member] | Foreign Currency Contract [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Clearance of hedge results to earnings, pre-tax	(7)		(3)		(3)		(6)
Clearance of hedge results to earnings, tax	3		1		1		2
Clearance of hedge results to earnings, after-tax	(4)		(2)		(2)		(4)
COGS [Member] | Commodity Contract [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Clearance of hedge results to earnings, pre-tax	(11)		(20)		(25)		(49)
Clearance of hedge results to earnings, tax	4		9		10		21
Clearance of hedge results to earnings, after-tax	$ (7)		$ (11)		$ (15)		$ (28)

[1] These amounts represent changes in accumulated other comprehensive income excluding changes due to reclassifying amounts to the interim Consolidated Income Statements.

[2] These accumulated other comprehensive income components are included in the computation of net periodic benefit cost of the company's pension and other long-term employee benefit plans. See Note 12 for additional information.