Pension Benefit Plans and Other Postretirement Benefits (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Pension Benefit Plans
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Accumulated benefit obligation	$ 4,298	$ 3,859
U.S Pension Plans
Net amount recognized included in the Consolidated Balance Sheets
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(3)	(3)
Pension benefits and nonpension postretirement benefits	(469)	(533)
Accumulated other comprehensive loss	1,463	1,480
Net amount recognized	991	944
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	79	332
Amortization of actuarial loss	(96)	(83)
Total	(17)	249
Changes in benefit obligations were recognized in accumulated other comprehensive income	(17)	249
Components of the net pension expense (income) and postretirement benefit cost
Service cost	27	25	25
Interest cost	114	125	131
Expected asset return	(183)	(186)	(190)
Amortization:
Actuarial loss	96	83	70
Net amortization	96	83	70
Net periodic pension and postretirement benefit cost	54	47	36
Special termination benefits	4
Non-U.S. Pension Plans
Net amount recognized included in the Consolidated Balance Sheets
Pension assets		116
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(7)	(6)
Pension benefits and nonpension postretirement benefits	(377)	(338)
Accumulated other comprehensive loss	525	302
Net amount recognized	141	74
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	239	(28)
Amortization of actuarial loss	(22)	(24)
Amortization of prior service credit		1
Loss due to settlement	(11)
Total	206	(51)
Translation	17	5
Changes in benefit obligations were recognized in accumulated other comprehensive income	223	(46)
Components of the net pension expense (income) and postretirement benefit cost
Service cost	26	24	21
Interest cost	77	83	79
Expected asset return	(87)	(86)	(80)
Curtailment (gain) loss			(1)
Amortization:
Actuarial loss	22	24	19
Prior service credit		(1)	(1)
Net amortization	22	23	18
Net periodic pension and postretirement benefit cost	38	44	37
Settlement cost	11
U.S Postretirement Benefit Plans
Net amount recognized included in the Consolidated Balance Sheets
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(15)	(16)
Pension benefits and nonpension postretirement benefits	(166)	(178)
Accumulated other comprehensive loss	28	38
Net amount recognized	(153)	(156)
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	(6)	4
Amortization of actuarial loss	(5)	(5)
Amortization of prior service credit	3	3
Other adjustments	(2)
Total	(10)	2
Components of the net pension expense (income) and postretirement benefit cost
Service cost	1	1	1
Interest cost	8	10	11
Amortization:
Actuarial loss	5	5	5
Prior service credit	(3)	(3)	(3)
Net amortization	2	2	2
Net periodic pension and postretirement benefit cost	11	13	14
Non-U.S. Postretirement Benefit Plans
Net amount recognized included in the Consolidated Balance Sheets
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(4)	(4)
Pension benefits and nonpension postretirement benefits	(98)	(91)
Accumulated other comprehensive loss	5	2
Net amount recognized	(97)	(93)
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	3	12
Total	3	12
Components of the net pension expense (income) and postretirement benefit cost
Service cost	1	1	1
Interest cost	4	4	5
Amortization:
Net periodic pension and postretirement benefit cost	$ 5	$ 5	$ 6