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Commitments and Contingencies Ignition Switch Recall Compensation Program (Details) Number in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2014 | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($)
Recalls - Ignition Switch [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Vehicles recalled | 2.6 |  |
Ignition Switch Recall Compensation Program [Member] |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |
Balance at beginning of period |  | $ 66 | $ 315
Provisions |  | 0 | 225
Payments |  | (53) | (350)
Balance at end of period |  | $ 13 | $ 190

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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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