Stockholders' Equity (Schedule of Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Components of Other Comprehensive Income (Loss) [Line Items]
Cumulative translation adjustment, pre-tax	$ 177		$ 189		$ (46)		$ (53)
Cumulative translation adjustment, tax	0		0		0		0
Cumulative translation adjustment, after-tax	177		189		(46)		(53)
Additions and revaluations of derivatives designated as cash flow hedges, pre-tax	(15)	[1]	(6)	[1]	(39)	[1]	30	[1]
Additions and revaluations of derivatives designated as cash flow hedges, tax	6		1		15		(14)
Additions and revaluations of derivatives designated as cash flow hedges, after-tax	(9)		(5)		(24)		16
Clearance of hedge results to earnings, pre-tax	1		(11)		(27)		(66)
Net revaluation and clearance of cash flow hedges to earnings, pre-tax	(14)		(17)		(66)		(36)
Net revaluation and clearance of cash flow hedges to earnings, tax	6		6		26		14
Net revaluation and clearance of cash flow hedges to earnings, after-tax	(8)		(11)		(40)		(22)
Net unrealized gain (loss) on securities, pre-tax	0		(5)		1		(3)
Net unrealized gain (loss) on securities, tax	0		2		(1)		1
Net unrealized gain (loss) on securities, net of tax	0		(3)		0		(2)
Other comprehensive income (loss), pre-tax	739		484		983		658
Other comprehensive income (loss), tax	(195)		(126)		(337)		(266)
Other comprehensive income (loss), after-tax	544		358		646		392
Pension Plans [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Net (loss) gain, pre-tax	(4)	[1]	(609)	[1]	52	[1]	(628)	[1]
Net (loss) gain, tax	0		185		(14)		195
Net (loss) gain, after-tax	(4)		(424)		38		(433)
Prior service benefit (cost), pre-tax	62	[1]	0	[1]	62	[1]	22	[1]
Prior service benefit (cost), tax	(22)		0		(22)		(8)
Prior service benefit (cost), after-tax	40		0		40		14
Amortization of prior service cost (benefit), pre-tax	2	[2]	3	[2]	8	[2]	10	[2]
Amortization of prior service cost (benefit), tax	0		(1)		(2)		(3)
Amortization of prior service cost (benefit), after tax	2		2		6		7
Amortization of (gain) loss, pre-tax	244	[2]	222	[2]	724	[2]	661	[2]
Amortization of (gain) loss, tax	(83)		(75)		(247)		(227)
Amortization of (gain) loss, after tax	161		147		477		434
Curtailment (gain) loss, pre-tax	0	[2]	2	[2]	1	[2]	2	[2]
Curtailment (gain) loss, tax	0		(1)		0		(1)
Curtailment (gain) loss, after tax	0		1		1		1
Settlement loss, pre-tax					152	[2]	0	[2]
Settlement loss, tax					(45)		0
Settlement loss, after tax					107		0
Benefit plans, net, pre-tax	304		(382)		999		67
Benefit plans, net, tax	(105)		108		(330)		(44)
Benefit plans, net, after-tax	199		(274)		669		23
Other Long-Term Employee Benefit Plans Defined Benefit [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Net (loss) gain, pre-tax	95	[1]	(141)	[1]	140	[1]	(141)	[1]
Net (loss) gain, tax	(34)		51		(49)		51
Net (loss) gain, after-tax	61		(90)		91		(90)
Prior service benefit (cost), pre-tax	199	[1]	857	[1]	199	[1]	857	[1]
Prior service benefit (cost), tax	(69)		(299)		(69)		(299)
Prior service benefit (cost), after-tax	130		558		130		558
Amortization of prior service cost (benefit), pre-tax	(48)	[2]	(44)	[2]	(142)	[2]	(104)	[2]
Amortization of prior service cost (benefit), tax	16		16		50		36
Amortization of prior service cost (benefit), after tax	(32)		(28)		(92)		(68)
Amortization of (gain) loss, pre-tax	26	[2]	24	[2]	51	[2]	68	[2]
Amortization of (gain) loss, tax	(9)		(9)		(18)		(24)
Amortization of (gain) loss, after tax	17		15		33		44
Curtailment (gain) loss, pre-tax	0	[2]	3	[2]	(154)	[2]	3	[2]
Curtailment (gain) loss, tax	0		(1)		54		(1)
Curtailment (gain) loss, after tax	0		2		(100)		2
Settlement loss, pre-tax					1	[2]	0	[2]
Settlement loss, tax					0		0
Settlement loss, after tax					1		0
Benefit plans, net, pre-tax	272		699		95		683
Benefit plans, net, tax	(96)		(242)		(32)		(237)
Benefit plans, net, after-tax	176		457		63		446
Net sales [Member] | Foreign Currency Contract [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Clearance of hedge results to earnings, pre-tax	1		(9)		(2)		(20)
Clearance of hedge results to earnings, tax	0		5		1		7
Clearance of hedge results to earnings, after-tax	1		(4)		(1)		(13)
Cost of goods sold [Member] | Commodity Contract [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Clearance of hedge results to earnings, pre-tax	0		(2)		(25)		(46)
Clearance of hedge results to earnings, tax	0		0		10		21
Clearance of hedge results to earnings, after-tax	$ 0		$ (2)		$ (15)		$ (25)

[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.