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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Tax Credit Carryforward [Line Items] |  |  |  |
Effective income tax rate | 5.70% | 153.70% |  |
Unrecognized tax benefit | $ 38 | $ 98 | $ 132 | $ 78
Decrease in unrecognized tax benefits from resolutions of foreign jurisdiction audit | 60 | 74 |  |
Increase in unrecognized tax position from completion of audits of foreign jurisdictions from prior years | 10 | 31 | 64 |
Decrease in unrecognized tax benefits is reasonably possible | 21 |  |  |
Income tax interest and penalties related to unrecognized tax benefit | 0 | 0 | $ 17 |
Accrued income tax interest and penalties related to unrecognized tax benefit | 11 | 12 |  |
Foreign tax credit | 702 |  |  |
Net operating loss carry forward | 1,213 |  |  |
Tax-deductible goodwill |  | $ 194 |  |
Undistributed earnings of foreign subsidiaries | $ 757 |  |  |
Maximum [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Period of amortization of goodwill | 12 years |  |  |
Carry Forward Expiration Year 2020 [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Net operating loss carry forward | $ 11 |  |  |
Carry Forward Expiration Year 2022 [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Net operating loss carry forward | 141 |  |  |
Carry Forward Expiration Year 2026 [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Net operating loss carry forward | 285 |  |  |
Carry Forward Expiration Year 2027 [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Net operating loss carry forward | 142 |  |  |
Carry Forward Expiration Year 2028 [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Net operating loss carry forward | 88 |  |  |
Carry Forward Expiration Year 2029 [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Net operating loss carry forward | $ 35 |  |  |

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