Pension and Other Postretirement Benefit Plans (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments			$ 0	$ (62)
U.S. Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	1	0	1
Interest cost	48	50	96	100
Expected return on plan assets	(48)	(47)	(96)	(95)
Actuarial loss	8	7	16	15
Prior service credit	(1)	(1)	(2)	(1)
Settlement and curtailment (gain) loss	0	0	0	0
Net periodic benefit cost	7	10	14	20
Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	1	4	3
Interest cost	5	5	10	10
Expected return on plan assets	(3)	(2)	(6)	(5)
Actuarial loss	1	1	2	1
Prior service credit	0	0	0	0
Settlement and curtailment (gain) loss	0	0	0	1
Net periodic benefit cost	5	5	10	10
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	3	4	5
Interest cost	8	10	17	20
Expected return on plan assets	0	0	0	0
Actuarial loss	0	0	0	0
Prior service credit	(11)	(8)	(18)	(17)
Settlement and curtailment (gain) loss	0	(33)	0	(62)
Net periodic benefit cost	$ (1)	$ (28)	$ 3	$ (54)