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Income Taxes - Significant Components of Deferred Tax Assets and Liability (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets: |  |
Allowances and operating liabilities | $ 297 | $ 318
Net operating loss carryforwards | 446 | 387
Stock Compensation | 56 | 61
Tax credit carryforwards | 398 | 411
Other | 135 | 122
Valuation allowance | (1,127) | (1,093)
Total deferred tax assets | 205 | 206
Deferred tax liabilities: |  |
Tax over book depreciation | 56 | 60
Capital leases | 76 | 80
Intangible assets | 52 | 49
Deferred income | 51 | 47
Accrued tax on unremitted earnings | 33 | 33
Other | 3 | 15
Total deferred tax liabilities | 271 | 284
Net deferred tax liability | $ 66 | $ 78

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