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LONG-TERM DEBT - Additional Information (Detail) - USD ($) | 1 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Jun. 30, 2022 | Dec. 31, 2021
Debt Instrument [Line Items] |  |  |  |
Long-term debt, fair value |  |  | $ 7,500,000,000 | $ 13,400,000,000
7.75% senior notes, due 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Redemption of debt | $ 1,000,000,000 |  |  |
Long-term debt, interest rate (in percent) | 7.75% |  | 7.75% |
4.75% MGM China senior notes, due 2027 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, interest rate (in percent) |  | 4.75% | 4.75% |
Long-term debt, principal amount |  | $ 750,000,000 |  |
Long term debt, issued price (in percent) |  | 99.97% |  |
5.625% Operating Partnership senior notes, due 2024 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, interest rate (in percent) |  |  | 5.625% |
4.625% Operating Partnership senior notes, due 2025 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, interest rate (in percent) |  |  | 4.625% |
4.5% Operating Partnership senior notes, due 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, interest rate (in percent) |  |  | 4.50% |
5.75% Operating Partnership senior notes, due 2027 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, interest rate (in percent) |  |  | 5.75% |
4.5% Operating Partnership senior notes, due 2028 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, interest rate (in percent) |  |  | 4.50% |
3.875% Operating Partnership senior notes, due 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, interest rate (in percent) |  |  | 3.875% |
Revolving Credit Facility | Senior Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility |  |  | $ 1,675,000,000 |
Line of credit facility drawn |  |  | 0 |
Unsecured Revolving Credit Facility | M G M China Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility |  |  | 1,250,000,000 |
Unsecured Revolving Credit Facility | MGM China Second Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility |  |  | 500,000,000 |
Line of credit facility drawn |  |  | 0 |
Line of credit facility, current borrowing capacity |  |  | 400,000,000 |
Term Loan | M G M China Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility drawn |  |  | $ 1,200,000,000 |
Debt instrument, weighted average interest rate (in percent) |  |  | 3.48% |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
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