Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Financial Guarantee [Member]
Guarantor Obligations [Line Items]
Maximum potential payments	$ 78	$ 81
Counter Guarantee [Member] | Ford Motor Company [Member]
Guarantor Obligations [Line Items]
Counter guarantee	70	71
ROMANIA | Financial Guarantee [Member] | Ford Motor Company [Member]
Guarantor Obligations [Line Items]
Maximum potential payments	285
Number of guaranteed obligations	1
ROMANIA | Counter Guarantee [Member] | Ford Motor Company [Member]
Guarantor Obligations [Line Items]
Maximum potential payments	211
ROMANIA | Collateralized Obligations [Member] | Financial Guarantee [Member] | Blue Oval Holdings [Member]
Guarantor Obligations [Line Items]
Cash Received to be Used as Collateral	$ 74