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Income Taxes - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Mar. 30, 2020 | Mar. 27, 2020 | Mar. 31, 2021 | Jun. 26, 2022 | Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2017
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Federal income tax rate |  |  |  |  |  | 21.00% | 21.00% | 21.00% | 35.00%
Net deferred tax asset |  |  |  |  |  | $ 332,000 |  |  |
Tax credit carry forward period |  |  |  |  |  | 10 years |  |  |
Domestic losses recaptured in foreign tax credit carry forward. |  |  |  |  |  | $ 1,300,000 |  |  |
Increase (decrease) in net income due to exemption from complementary tax |  |  |  |  |  | $ (10,000) | $ 4,000 |  |
Increase (decrease) in diluted earnings per share due to exemption from complementary tax |  |  |  |  |  | $ 0.02 | $ 0.01 |  |
Payments under the extended annual fee arrangement |  |  |  |  | $ 1,000 | $ 2,000 |  |  |
Unrecognized tax benefits, if recognized, would affect the effective tax rate |  |  |  |  | $ 9,000 | 11,000 | $ 9,000 |  |
Income Tax Expense (Benefit) |  |  |  |  |  | 253,415 | $ (191,572) | $ 632,345 |
Possible decrease in unrecognized tax benefits within next 12 months |  |  |  |  |  | 13,000 |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Payments under the extended annual fee arrangement |  |  |  | $ 1,000 |  |  |  |  |
Macau |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Deferred tax assets, valuation allowance |  |  |  |  |  | 146,000 |  |  |
Hong Kong |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Net operating losses, valuation allowance |  |  |  |  |  | 3,000 |  |  |
2022 |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Tax credit carryforward expiration amount |  |  |  |  |  | 297,000 |  |  |
2023 |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Tax credit carryforward expiration amount |  |  |  |  |  | 976,000 |  |  |
2024 |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Tax credit carryforward expiration amount |  |  |  |  |  | 780,000 |  |  |
2025 |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Tax credit carryforward expiration amount |  |  |  |  |  | 674,000 |  |  |
2026 |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Tax credit carryforward expiration amount |  |  |  |  |  | 134,000 |  |  |
2027 |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Tax credit carryforward expiration amount |  |  |  |  |  | $ 200,000 |  |  |
MGM Grand Paradise SA | Macau Taxing Authority |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Macau's complementary tax rate on distributions of gaming profits (as a percent) |  |  |  |  |  | 12.00% |  |  |
Macau |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Valuation allowance on foreign tax credit |  |  |  |  |  | $ 2,700,000 |  |  |
Foreign tax credit carryover |  |  |  |  |  | $ 3,100,000 |  |  |
Special gaming tax rate |  |  |  |  |  | 35.00% |  |  |
Macau | MGM Grand Paradise SA |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Macau's complementary tax rate on distributions of gaming profits (as a percent) | 12.00% |  |  |  |  | 12.00% |  |  |
Complementary tax |  |  |  |  |  | $ 1,500,000 |  |  |
State |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Complementary tax |  |  |  |  |  | 536,000 |  |  |
Deferred tax assets, valuation allowance |  |  |  |  |  | 6,000 |  |  |
Deferred tax assets after federal tax effect and before valuation allowance |  |  |  |  |  | 35,000 |  |  |
Macau Taxing Authority |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Income Tax Expense (Benefit) |  |  |  |  |  | $ 3,000 |  |  |
Coronavirus Aid Relief And Economic Security Act |  |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Net operating losses carryback period |  | 5 years |  |  |  |  |  |  |
Income tax receivable |  |  | $ 226,000 |  |  |  |  |  |
Income tax benefit realized |  |  | $ 90,000 |  |  |  |  |  |

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