Pensions Benefit Plans and Other Postretirement Benefits (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
U.S Pension Plans
Components of the net pension expense (income) and postretirement benefit cost
Service cost	$ 6	$ 7	$ 13	$ 13
Interest cost	31	33	62	66
Expected asset return	(47)	(48)	(94)	(96)
Amortization
Actuarial loss	21	17	42	35
Net amortization	21	17	42	35
Net periodic pension and postretirement benefit cost	11	9	23	18
Non-U.S. Pension Plans
Components of the net pension expense (income) and postretirement benefit cost
Service cost	7	5	12	10
Interest cost	21	18	42	38
Expected asset return	(23)	(19)	(44)	(39)
Amortization
Actuarial loss	6	5	12	10
Net amortization	6	5	12	10
Net periodic pension and postretirement benefit cost	11	9	22	19
U.S Postretirement Benefit Plans
Components of the net pension expense (income) and postretirement benefit cost
Interest cost	2	3	5	6
Amortization
Prior service credit	(1)	(1)	(2)	(2)
Actuarial loss	2	2	3	3
Net amortization	1	1	1	1
Net periodic pension and postretirement benefit cost	3	4	6	7
Non-U.S. Postretirement Benefit Plans
Components of the net pension expense (income) and postretirement benefit cost
Service cost	1		1	1
Interest cost	1	1	2	2
Amortization
Net periodic pension and postretirement benefit cost	$ 2	$ 1	$ 3	$ 3