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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Taxes [Line Items] |  |  |
Undistributed earnings of certain foreign subsidiaries | $ 6,150 |  |
Income taxes paid, net | 336 | $ 484 |
Income tax loss carryforwards | 2,920 |  |
Tax credit carryforwards | 64 |  |
Total losses | 1,900 |  |
Gross unrecognized tax benefits | 182 | 192 | $ 198
Gross unrecognized tax benefits that would affect the Company's effective tax rate | 165 | 174 |
Interest and penalties on the unrecognized tax benefits | 43 | 46 |
(Decrease)/Increase in expenses related to changes in its reserves for interest and penalties | (3) | $ 7 |
Decrease in gross unrecognized tax benefits | 66 |  |
Amount of decrease of gross unrecognized tax benefits that would affect effective tax rate if recognized | $ 58 |  |
Income tax examination in germany | 2007 |  |
Income tax examination in mexico | 2014 |  |
Income tax examination in canada us federal jurisdiction and austria | 2015 |  |
Minimum [Member] |  |  |
Income Taxes [Line Items] |  |  |
Expiry date of operating losses and tax credit carryforwards | 2021 |  |
Maximum [Member] |  |  |
Income Taxes [Line Items] |  |  |
Expiry date of operating losses and tax credit carryforwards | 2040 |  |

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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4297-108586 + Details
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