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Income Taxes - Additional Information1 (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Line Items] |  |
Net deferred tax asset | $ 379 |
Tax credit carry forward period | 10 years |
Domestic losses recaptured in foreign tax credit carry forward. | $ 1,500 |
Unrecognized tax benefits, if recognized, would affect the effective tax rate | 9 | $ 9
Macau [Member] |  |
Income Tax Disclosure [Line Items] |  |
Deferred tax assets, valuation allowance | 153 |
Hong Kong [Member] |  |
Income Tax Disclosure [Line Items] |  |
Net operating losses, valuation allowance | 3 |
2022 [Member] |  |
Income Tax Disclosure [Line Items] |  |
Tax credit carryforward expiration amount | $ 340 |
Foreign tax credit carryforward, expiration date | Dec. 31, 2022 |
2023 [Member] |  |
Income Tax Disclosure [Line Items] |  |
Tax credit carryforward expiration amount | $ 976 |
Foreign tax credit carryforward, expiration date | Dec. 31, 2023 |
2024 [Member] |  |
Income Tax Disclosure [Line Items] |  |
Tax credit carryforward expiration amount | $ 769 |
Foreign tax credit carryforward, expiration date | Dec. 31, 2024 |
2025 [Member] |  |
Income Tax Disclosure [Line Items] |  |
Tax credit carryforward expiration amount | $ 674 |
Foreign tax credit carryforward, expiration date | Dec. 31, 2025 |
2027 [Member] |  |
Income Tax Disclosure [Line Items] |  |
Tax credit carryforward expiration amount | $ 200 |
Foreign tax credit carryforward, expiration date | Dec. 31, 2027 |
2026 [Member] |  |
Income Tax Disclosure [Line Items] |  |
Tax credit carryforward expiration amount | $ 134 |
Foreign tax credit carryforward, expiration date | Dec. 31, 2026 |
Macau [Member] |  |
Income Tax Disclosure [Line Items] |  |
Valuation allowance on foreign tax credit | $ 2,700 |
Foreign tax credit carryover | $ 3,100 |
Special gaming tax rate | 35.00% |
State [Member] |  |
Income Tax Disclosure [Line Items] |  |
Complementary tax | $ 885 |
Deferred tax assets after federal tax effect and before valuation allowance | 57 |
Deferred tax assets, valuation allowance | $ 6 |
State [Member] | Minimum [Member] |  |
Income Tax Disclosure [Line Items] |  |
Net operating loss carryforwards expire | 2025 |
State [Member] | Maximum [Member] |  |
Income Tax Disclosure [Line Items] |  |
Net operating loss carryforwards expire | 2040 |

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