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Commitments and Contingencies Other Litigation and Loss Contingencies (Details) | Jan. 25, 2019 action | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
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Loss Contingencies [Line Items] |  |  |
Maximum liability, guarantees |  | $ 2,400,000,000 | $ 1,900,000,000
Rebates available |  | 1,400,000,000 | 1,500,000,000
Minimum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Indirect tax-related escrow deposit |  | 200,000,000 |
Maximum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Indirect tax-related escrow deposit |  | 550,000,000 |
Indirect Tax Matters [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Reasonably possible loss |  | 900,000,000 |
Takata DIR [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Warranty provision |  | 0 |
Estimate of possible loss |  | 1,200,000,000 |
Subsequent Event [Member] | U.S. [Member] | Takata DIR [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Number of pending claims | action | 3 |  |
Subsequent Event [Member] | Mexico [Member] | Takata DIR [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Number of pending claims | action | 1 |  |
Subsequent Event [Member] | Canada [Member] | Takata DIR [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Number of pending claims | action | 3 |  |
Accrued liabilities and Other liabilities [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Product liability |  | 531,000,000 | 595,000,000
Credit card program deferred revenue |  | $ 247,000,000 | $ 283,000,000

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