v2.4.0.6

Commitments And Contingencies Commitment and Contingencies (Details) Share data in Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2012 USD ($) | Mar. 31, 2012 EUR (€) | Mar. 31, 2012 KRW | Dec. 31, 2011 USD ($) | Mar. 31, 2012 CAD | Dec. 31, 2011 Operating Leases [Member] USD ($) | Mar. 31, 2012 Operating Leases [Member] USD ($) | Dec. 31, 2011 Ally Financial Commercial Loans [Member] USD ($) | Mar. 31, 2012 Ally Financial Commercial Loans [Member] USD ($) | Mar. 31, 2012 Third party comercial loans and other obligations [Member] USD ($) | Dec. 31, 2011 Third party comercial loans and other obligations [Member] USD ($) | Dec. 31, 2011 Guarantees of Product Related Claims [Member] USD ($) | Mar. 31, 2012 Guarantees of Product Related Claims [Member] USD ($)
Guarantor Obligations [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Liability Recorded |  |  |  |  |  | $ 0 | $ 0 | $ 0 | $ 0 | $ 8,000,000 | $ 7,000,000 | $ 53,000,000 | $ 54,000,000
Maximum Liability |  |  |  |  |  | 26,000,000 | 9,000,000 | 24,000,000 | 28,000,000 | 279,000,000 | 210,000,000 | 838,000,000 | 773,000,000
Guarantees on Operating Leases, Termination Years |  |  |  |  |  | 2016 to 2035 |  |  |  |  |  |  |
Guarantees on Commercial Loans, Termination Years |  |  |  |  |  |  |  | 2012 through 2029 or are ongoing |  |  |  |  |
Guarantees on Supplier Commitments and Other Obligations, Termination Years |  |  |  | 2012 through 2016 or are ongoing |  |  |  |  |  |  |  |  |
Guarantees on Other Product Related Claims, Termination Years |  |  |  |  |  |  |  |  |  |  |  | 2020 to 2026 |
Other contingencies [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability | 547,000,000 |  |  | 514,000,000 |  |  |  |  |  |  |  |  |
Environmental Liability | 171,000,000 |  |  | 169,000,000 |  |  |  |  |  |  |  |  |
Other Litigation Liability | 1,274,000,000 |  |  | 1,196,000,000 |  |  |  |  |  |  |  |  |
Environmental Liability Recorded in Accrued Liabilities | 32,000,000 |  |  | 34,000,000 |  |  |  |  |  |  |  |  |
Environmental Liabilities Footnote [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Environmental Remediation Losses, Low Estimate | 140,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Environmental Remediation Losses, High Estimate | 330,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Enrironmental Remediation Years of Cost to Incur, Min | 5 | 5 | 5 | 5 years |  |  |  |  |  |  |  |  |
Enrironmental Remediation Years of Cost to Incur, Max | 30 | 30 | 30 | 30 years |  |  |  |  |  |  |  |  |
Other Litigation Related Liability Footnote [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Indirect Tax Escrow Deposit, Low Range | 556,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Indirect Tax Escrow Deposit, High Range | 772,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Korean Labor Litigation Liability - Korean Won |  |  | 166,000,000,000 |  |  |  |  |  |  |  |  |  |
Korean Labor Litigation Liability - US Dollar | 146,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Estimated Litigation Settlement Loss - Korean Won |  |  | 607,000,000,000 |  |  |  |  |  |  |  |  |  |
Estimated Litigation Settlement Loss - US Dollar | 533,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Canadian Dealers Litigation Claims - CAD |  |  |  |  | 750,000,000 |  |  |  |  |  |  |  |
Contribution Obligation for UAW Law Suit | 450,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Estimated Litigation Loss - UAW Law Suit | 450,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Contingently Issuable Shares Footnote |  |  |  |  |  |  |  |  |  |  |  |  |
General Unsecured Claims - Threshold | 35,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Estimated General Unsecured Claims Maximum | 42,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum Adjustment Shares | 30 | 30 | 30 |  |  |  |  |  |  |  |  |  |
Estimated General Unsecured Claims, Low Range | 32,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Estimated General Unsecured Claims, Upper Range | 36,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Planned Spending Guarantee Footnote [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Planned Spending Guarantee - Euro |  | 265,000,000 |  |  |  |  |  |  |  |  |  |  |
Assets Pledged as Collateral | $ 215,000,000 |  |  | $ 209,000,000 |  |  |  |  |  |  |  |  |

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