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Income Taxes - Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Deferred tax assets: |  |
Net operating loss, capital loss and tax credit carry-forwards | $ 150 | $ 258
Landfill and environmental remediation liabilities | 156 | 143
Operating lease liabilities | 114 |
Miscellaneous and other reserves, net | 150 | 175
Subtotal | 570 | 576
Valuation allowance | (162) | (261)
Deferred tax liabilities: |  |
Property and equipment | (842) | (752)
Goodwill and other intangibles | (865) | (854)
Operating lease right-of-use assets | (108) |
Net deferred tax liabilities | (1,407) | $ (1,291)
Increase (decrease) valuation allowance | $ (99) |

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