XML 89 R73.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Long-Term Debt - Additional Information (Detail) - USD ($) |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 18, 2020 | Dec. 31, 2019 | Nov. 30, 2019 | Aug. 31, 2019 | May 31, 2019 | Apr. 30, 2019 | Feb. 28, 2019 | Jan. 31, 2019 | Jun. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term debt, net of debt issuance costs |  | $ 0 |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 43,411,000 |
Credit facility amount |  | 11,271,706,000 |  |  |  |  |  |  |  | 11,271,706,000 | 11,271,706,000 | 15,253,239,000 |
Loss on early retirement of debt |  | 171,000,000 |  |  |  |  |  |  |  | 142,000,000 | 198,151,000 | 3,619,000 | $ 45,696,000
Repayments of senior notes |  |  |  |  |  |  |  |  |  |  | 3,764,167,000 | 2,265,000 | $ 502,669,000
Long-term debt, fair value |  | 12,100,000,000 |  |  |  |  |  |  |  | 12,100,000,000 | $ 12,100,000,000 | $ 15,100,000,000 |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument repurchase date | Mar. 02, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument repurchase expiration date | Mar. 16, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Term Loan A [Member] | Operating Partnership Senior Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  |  |  |  |  |  |  |  |  |  | 2023 |  |
Repayments of term loan |  |  | $ 65,000,000 |  |  |  |  |  |  |  |  |  |
Credit facility amount |  | $ 399,000,000 |  |  |  |  |  |  |  | $ 399,000,000 | $ 399,000,000 |  |
Term loan amortization of principal quarterly installment |  |  |  |  |  |  |  |  |  |  | $ 3,000,000 |  |
Debt instrument, interest rate |  | 3.55% |  |  |  |  |  |  |  | 3.55% | 3.55% |  |
Term Loan A [Member] | Minimum [Member] | LIBOR [Member] | Operating Partnership Senior Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) |  |  |  |  |  |  |  |  |  |  | 1.75% |  |
Term Loan A [Member] | Maximum [Member] | LIBOR [Member] | Operating Partnership Senior Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) |  |  |  |  |  |  |  |  |  |  | 2.25% |  |
Term Loan B [Member] | Operating Partnership Senior Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) |  |  |  |  |  |  |  |  |  |  | 2.00% |  |
Repayments of term loan |  |  | 476,000,000 |  |  |  |  |  |  |  |  |  |
Credit facility, maturity date |  |  |  |  |  |  |  |  |  |  | 2025-03 |  |
Credit facility amount |  | $ 1,300,000,000 |  |  |  |  |  |  |  | $ 1,300,000,000 | $ 1,300,000,000 |  |
Term loan amortization of principal quarterly installment |  |  |  |  |  |  |  |  |  |  | $ 5,000,000 |  |
Debt instrument, interest rate |  | 3.80% |  |  |  |  |  |  |  | 3.80% | 3.80% |  |
Term Loan B [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  | $ 900,000,000 |  |  |  |  |  |  |  | $ 900,000,000 | $ 900,000,000 |  |
Term Loan B [Member] | Interest Rate Swap [Member] | Cash Flow Hedges [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  | $ 1,900,000,000 |  |  |  |  |  |  |  | $ 1,900,000,000 | $ 1,900,000,000 |  |
Weighted Average fixed interest rate |  | 1.821% |  |  |  |  |  |  |  | 1.821% | 1.821% |  |
5.75% Operating Partnership Senior Notes, Due 2027 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  |  |  |  |  |  |  | 2027 |  |  |  |  |
Long-term debt, principal amount |  |  |  |  |  |  |  | $ 750,000,000 |  |  |  |  |
Long-term debt, interest rate (as a percent) |  |  |  |  |  |  |  | 5.75% |  |  |  |  |
5.75% Operating Partnership Senior Notes, Due 2027 [Member] | Empire City [Member] | Bridge Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  |  |  |  |  |  |  |  |  |  | 2027 |  |
Long-term debt, principal amount |  | $ 246,000,000 |  |  |  |  |  |  |  | $ 246,000,000 | $ 246,000,000 |  |
Long-term debt, interest rate (as a percent) |  | 5.75% |  |  |  |  |  |  |  | 5.75% | 5.75% |  |
5.25% Senior Notes, Due 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  | 2020 |  |  |  | 2020 |  |  |  |  |  | 2020 |
Long-term debt, principal amount |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 |
Long-term debt, interest rate (as a percent) |  | 5.25% |  |  |  | 5.25% |  |  |  | 5.25% | 5.25% | 5.25% |
Redemption of senior notes |  | $ 267,000,000 |  |  |  |  |  |  |  |  |  |  |
Long-term debt, aggregate principal amount of debt purchased |  |  |  |  |  | $ 233,000,000 |  |  |  |  |  |  |
6.75% Senior Notes, Due 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  | 2020 |  |  |  | 2020 |  |  |  |  |  | 2020 |
Long-term debt, principal amount |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000,000 |
Long-term debt, interest rate (as a percent) |  | 6.75% |  |  |  | 6.75% |  |  |  | 6.75% | 6.75% | 6.75% |
Redemption of senior notes |  | $ 361,000,000 |  |  |  |  |  |  |  |  |  |  |
Long-term debt, aggregate principal amount of debt purchased |  |  |  |  |  | $ 639,000,000 |  |  |  |  |  |  |
6.625% Senior Notes, Due 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  | 2021 |  |  |  |  |  |  |  |  |  | 2021 |
Long-term debt, principal amount |  |  |  |  |  |  |  |  |  |  |  | $ 1,250,000,000 |
Long-term debt, interest rate (as a percent) |  | 6.625% |  |  |  |  |  |  |  | 6.625% | 6.625% | 6.625% |
Redemption of senior notes |  | $ 1,250,000,000 |  |  |  |  |  |  |  |  |  |  |
5.5% Senior Notes, Due 2027 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  |  |  |  |  | 2027 |  |  |  |  | 2027 |  |
Long-term debt, principal amount |  | $ 1,000,000,000 |  |  |  | $ 1,000,000,000.0 |  |  |  | $ 1,000,000,000 | $ 1,000,000,000 |  |
Long-term debt, interest rate (as a percent) |  | 5.50% |  |  |  | 5.50% |  |  |  | 5.50% | 5.50% |  |
8.625% Senior Notes, Due 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  |  |  |  |  |  | 2019 |  |  |  |  | 2019 |
Long-term debt, principal amount |  |  |  |  |  |  |  |  |  |  |  | $ 850,000,000 |
Long-term debt, interest rate (as a percent) |  |  |  |  |  |  | 8.625% |  |  |  |  | 8.625% |
Repayments of senior notes |  |  |  |  |  |  | $ 850,000,000 |  |  |  |  |  |
5.75% Senior Notes, Due 2025 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  |  |  |  |  |  |  |  | 2025 |  | 2025 | 2025 |
Long-term debt, principal amount |  | $ 1,000,000,000 |  |  |  |  |  |  | $ 1,000,000,000.0 | $ 1,000,000,000 | $ 1,000,000,000 | $ 1,000,000,000 |
Long-term debt, interest rate (as a percent) |  | 5.75% |  |  |  |  |  |  | 5.75% | 5.75% | 5.75% | 5.75% |
5.750% Senior Notes, Due 2025 [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year | 2025 |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate (as a percent) | 5.75% |  |  |  |  |  |  |  |  |  |  |  |
5.750% Senior Notes, Due 2025 [Member] | Maximum [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, aggregate principal amount of debt purchased | $ 750,000,000 |  |  |  |  |  |  |  |  |  |  |  |
4.625% Senior Notes, Due 2026 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  |  |  |  |  |  |  |  |  |  | 2026 | 2026 |
Long-term debt, principal amount |  | $ 500,000,000 |  |  |  |  |  |  |  | $ 500,000,000 | $ 500,000,000 | $ 500,000,000 |
Long-term debt, interest rate (as a percent) |  | 4.625% |  |  |  |  |  |  |  | 4.625% | 4.625% | 4.625% |
4.625% Senior Notes, Due 2026 [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year | 2026 |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate (as a percent) | 4.625% |  |  |  |  |  |  |  |  |  |  |  |
4.625% Senior Notes, Due 2026 [Member] | Maximum [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, aggregate principal amount of debt purchased | $ 750,000,000 |  |  |  |  |  |  |  |  |  |  |  |
5.500% Senior Notes, Due 2027 [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year | 2027 |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate (as a percent) | 5.50% |  |  |  |  |  |  |  |  |  |  |  |
5.500% Senior Notes, Due 2027 [Member] | Maximum [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, aggregate principal amount of debt purchased | $ 750,000,000 |  |  |  |  |  |  |  |  |  |  |  |
5.375% MGM China Senior Notes, Due 2024 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  |  |  |  | 2024 |  |  |  |  |  | 2024 |  |
Long-term debt, principal amount |  | $ 750,000,000 |  |  | $ 750,000,000 |  |  |  |  | $ 750,000,000 | $ 750,000,000 |  |
Long-term debt, interest rate (as a percent) |  | 5.375% |  |  | 5.375% |  |  |  |  | 5.375% | 5.375% |  |
5.875% MGM China Senior Notes, Due 2026 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, maturity year |  |  |  |  | 2026 |  |  |  |  |  | 2026 |  |
Long-term debt, principal amount |  | $ 750,000,000 |  |  | $ 750,000,000 |  |  |  |  | $ 750,000,000 | $ 750,000,000 |  |
Long-term debt, interest rate (as a percent) |  | 5.875% |  |  | 5.875% |  |  |  |  | 5.875% | 5.875% |  |
Senior Credit Facility [Member] | Term Loan A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of term loan |  |  | $ 750,000,000 |  |  |  |  |  |  |  |  |  |
Senior Credit Facility [Member] | Term Loan B [Member] | MGP BREIT Venture [Member] | Operating Partnership Senior Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of term loan |  |  |  |  |  |  |  |  |  |  | $ 1,300,000,000 |  |
MGM China Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term debt, net of debt issuance costs |  |  |  |  |  |  |  |  |  |  |  | $ 43,000,000 |
Credit facility amount |  | $ 667,404,000 |  |  |  |  |  |  |  | $ 667,404,000 | 667,404,000 | $ 2,433,562,000 |
MGM China Credit Facility [Member] | Other Nonoperating Income (Expense) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on early retirement of debt |  |  |  |  | $ 16,000,000 |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Operating Partnership Senior Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility |  | 1,350,000,000 |  |  |  |  |  |  |  | 1,350,000,000 | $ 1,350,000,000 |  |
Long-term debt, maturity year |  |  |  |  |  |  |  |  |  |  | 2023 |  |
Line of credit facility drawn |  | 0 |  |  |  |  |  |  |  | 0 | $ 0 |  |
Revolving Credit Facility [Member] | MGM China Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maturity date |  |  |  | 2024-05 |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Hong Kong Interbank Offered Rate HIBOR [Member] | MGM China Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest rate base |  |  |  | HIBOR |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Minimum [Member] | Hong Kong Interbank Offered Rate HIBOR [Member] | MGM China Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) |  |  |  | 1.625% |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Maximum [Member] | Hong Kong Interbank Offered Rate HIBOR [Member] | MGM China Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) |  |  |  | 2.75% |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Senior Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility |  | 1,500,000,000 |  |  |  |  |  |  |  | 1,500,000,000 | $ 1,500,000,000 |  |
Long-term debt, maturity year |  |  |  |  |  |  |  |  |  |  | 2023 |  |
Line of credit facility drawn |  | 0 |  |  |  |  |  |  |  | 0 | $ 0 |  |
Revolving Credit Facility [Member] | Senior Credit Facility [Member] | Minimum [Member] | LIBOR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) |  |  |  |  |  |  |  |  |  |  | 1.50% |  |
Revolving Credit Facility [Member] | Senior Credit Facility [Member] | Maximum [Member] | LIBOR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) |  |  |  |  |  |  |  |  |  |  | 2.25% |  |
Unsecured Revolving Credit Facility [Member] | MGM China Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility |  | 1,250,000,000 |  |  |  |  |  |  |  | 1,250,000,000 | $ 1,250,000,000 |  |
Line of credit facility drawn |  |  |  | $ 776,000,000 |  |  |  |  |  |  |  |  |
Credit facility amount |  |  |  | $ 1,250,000,000 |  |  |  |  |  |  |  |  |
Unsecured Revolving Credit Facility [Member] | Senior Credit Facility [Member] | MGP BREIT Venture [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility |  | $ 1,500,000,000 |  |  |  |  |  |  |  | $ 1,500,000,000 | $ 1,500,000,000 |  |
Credit facility, maturity date |  |  |  |  |  |  |  |  |  |  | 2025-02 |  |
Term Loan [Member] | MGM China Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate |  | 4.95% |  |  |  |  |  |  |  | 4.95% | 4.95% |  |
Repayments of previous term loan |  |  |  |  |  |  |  |  |  |  | $ 1,000,000.0 |  |
Revolving credit facility outstanding |  |  |  |  |  |  |  |  |  |  | $ 667,000,000 |  |

X
- Definition Debt instrument amortization periodic payments. + References No definition available. + Details
Name: | mgm_DebtInstrumentAmortizationPeriodicPayments
Namespace Prefix: | mgm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debt instrument maturity. + References No definition available. + Details
Name: | mgm_DebtInstrumentMaturity
Namespace Prefix: | mgm_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument maturity year. + References No definition available. + Details
Name: | mgm_DebtInstrumentMaturityYear
Namespace Prefix: | mgm_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument repurchase expiration date. + References No definition available. + Details
Name: | mgm_DebtInstrumentRepurchaseExpirationDate
Namespace Prefix: | mgm_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: 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 http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: 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 http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: 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 http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: 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 http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the debt instrument was repurchased, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentRepurchaseDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of the original debt instrument that was repurchased. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentRepurchasedFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Average fixed interest rate related to the group of interest rate derivatives. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity. + 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 http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_EarlyRepaymentOfSeniorDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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 http://asc.fasb.org/extlink&oid=6877327&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 http://asc.fasb.org/extlink&oid=6876686&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 http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum amount borrowed under the credit facility at any time during the period. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the 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 http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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
Name: | us-gaap_LongTermDebtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period. + 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 http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfSeniorDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorSecuredTermLoanAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=mgm_OperatingPartnershipSeniorCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorSecuredTermLoanBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_TermLoanBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_OperatingPartnershipSeniorNotesFivePointSevenFivePercentDueInTwoThousandTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=mgm_EmpireCityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=mgm_BridgeFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorNotesFivePointTwoFivePercentDueInTwoThousandTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorNotesSixPointSevenFivePercentDueTwoThousandTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorNotesSixPointSixTwoFivePercentDueTwoThousandTwentyOneNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorNotesFivePointFivePercentDueTwoThousandTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorNotesEightPointSixTwoFivePercentDueInTwoThousandNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorNotesFivePointSevenFivePercentDueInTwoThousandTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorNotesFivePointSevenFiveZeroPercentDueTwoThousandTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorNotesFourPointSixTwoFivePercentDueTwoThousandTwentySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_SeniorNotesFivePointFiveZeroZeroPercentDueTwoThousandTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_MGMChinaSeniorNotesFivePointThreeSevenFivePercentDueInTwoThousandTwentyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mgm_MGMChinaSeniorNotesFivePointEightSevenFivePercentDueInTwoThousandTwentySixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=mgm_SeniorCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=mgm_MGPBREITVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=mgm_MGMChinaCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherNonoperatingIncomeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=mgm_MGMChinaCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=mgm_HongKongInterbankOfferedRateHIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=mgm_UnsecuredRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=mgm_TermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |