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Income Taxes - Components of Net Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Income Tax Disclosure [Abstract] |  |
Intangible assets | $ (881) | $ (1,790)
Net operating losses | 421 | 144
Fixed assets, net | 151 | 434
Inventories | 59 | 155
Investments in non-US subsidiaries | (171) | (220)
Foreign tax credits | 106 | 312
Other, net | 402 | 474
Net deferred tax assets (liabilities) | $ (19) | $ (491)

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