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Deferred Income Tax Assets And Liabilities (Detail) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
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Deferred Income Tax Assets And Liabilities [Line Items] |  |
Net tax loss carryforwards | $ 1,104 | $ 1,587
Accrued liabilities and deferred income | 216 | 281
Tax credits | 24 | 62
Depreciation and amortization | 4 | 2
Acquisition and integration-related liabilities | 2 | 5
Provision for doubtful accounts | 8 | 7
Other | 48 | 52
Valuation allowance | (331) | (357)
Deferred income tax assets | 1,075 | 1,639
Depreciation and amortization | 121 | 112
Deferred Tax Liabilities, Prepaid Expenses | 20 | 32
Other | 3 | 2
Non-current deferred income tax liabilities | 144 | 146
Non-current net deferred income tax assets | 931 | 1,493
Deferred Income Tax Assets and Liabilities Additional Information (Detail) [Abstract] |  |
Deferred Tax Assets, Valuation Allowance | 331 | 357
Deferred Tax Assets Operating Loss Carryforward With Valuation Against It | 302 | 289
Deferred Tax Assets, Tax Credit Carryforwards, Foreign |  | 39
Deferred Tax Assets State And Local | 29 | 29
Vehicle Programs |  |
Deferred Income Tax Assets And Liabilities [Line Items] |  |
Depreciation and amortization | 58 | 52
Depreciation and amortization | 1,652 | 2,481
Deferred Tax Liabilities, Net | $ 1,594 | $ 2,429

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