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Income Taxes - Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets: |  |
Net operating loss, capital loss and tax credit carry-forwards | $ 189 | $ 186
Landfill and environmental remediation liabilities | 238 | 202
Operating lease liabilities | 135 | 141
Miscellaneous and other reserves, net | 113 | 103
Subtotal | 675 | 632
Valuation allowance | (158) | (150)
Deferred tax liabilities: |  |
Property and equipment | (1,064) | (1,137)
Goodwill and other intangibles | (1,027) | (1,027)
Operating lease right-of-use assets | (120) | (124)
Net deferred tax liabilities | $ (1,694) | $ (1,806)

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