Pensions, Other Post-employment Benefits and Employee Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service Cost	$ 7	$ 7	$ 21	$ 21
Interest Cost	19	22	60	64
Expected return on plan assets	(15)	(17)	(47)	(51)
Amortization of actuarial losses	10	7	29	20
Amortization of prior service credit	0	0	0	0
Settlement gain	0	0	(1)	0
Net periodic benefit cost	21	19	62	54
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments			0	0
Other Post-Employement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service Cost	0	0	0	0
Interest Cost	3	5	11	15
Expected return on plan assets	0	0	0	0
Amortization of actuarial losses	1	0	1	0
Amortization of prior service credit	(3)	(4)	(11)	(12)
Settlement gain	(51)	0	0	0
Net periodic benefit cost	(50)	1	(50)	3
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments			(51)	0
Automotive Segment [Member]
Defined Benefit Plan Disclosure [Line Items]
Prior service credit in AOCI			13
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	$ (51)		$ (51)