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Income Taxes - Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Income Tax Disclosure [Abstract] |  |
Tax benefit of loss carryforwards | $ 766 | $ 735
Operating lease liabilities | 409 | 469
Liabilities currently not deductible for tax | 219 | 259
Tax credit carryforwards | 84 | 64
Unrealized loss on foreign exchange hedges and retirement liabilities | 59 | 87
Others | 30 | 46
Deferred tax assets, Gross, Total | 1,567 | 1,660
Valuation allowance against tax benefit of loss carryforwards | (586) | (569)
Other valuation allowance | (125) | (206)
Deferred tax assets, Net, Total | 856 | 885
Operating lease right-of-use assets | 415 | 470
Tax depreciation in excess of book depreciation | 228 | 239
Tax on undistributed foreign earnings | 206 | 163
Unrealized gain on remeasurement of investments | 12 | 11
Unrealized gain on foreign exchange hedges and retirement liabilities | 11 | 17
Other assets book value in excess of tax values | 3 | 65
Deferred tax liabilities, Total | 875 | 965
Net deferred tax liabilities | $ (19) | $ (80)

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