XML 37 R43.htm IDEA: XBRL DOCUMENT v3.19.3

Long-Term Debt - Schedule of Long-Term Debt (Parenthetical) (Detail) - USD ($) $ in Millions	1 Months Ended				9 Months Ended	12 Months Ended
	May 31, 2019	Apr. 30, 2019	Feb. 28, 2019	Jan. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
8.625% senior notes, due 2019 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount						$ 850.0
Long-term debt, interest rate (as a percent)			8.625%			8.625%
Long-term debt, maturity year			2019			2019
5.25% senior notes, due 2020 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 500.0	$ 500.0
Long-term debt, interest rate (as a percent)		5.25%			5.25%	5.25%
Long-term debt, maturity year		2020			2020	2020
6.75% senior notes, due 2020 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 1,000.0	$ 1,000.0
Long-term debt, interest rate (as a percent)		6.75%			6.75%	6.75%
Long-term debt, maturity year		2020			2020	2020
6.625% senior notes, due 2021 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 1,250.0	$ 1,250.0
Long-term debt, interest rate (as a percent)					6.625%	6.625%
Long-term debt, maturity year					2021	2021
7.75% senior notes, due 2022 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 1,000.0	$ 1,000.0
Long-term debt, interest rate (as a percent)					7.75%	7.75%
Long-term debt, maturity year					2022	2022
6% senior notes, due 2023 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 1,250.0	$ 1,250.0
Long-term debt, interest rate (as a percent)					6.00%	6.00%
Long-term debt, maturity year					2023	2023
5.625% Operating Partnership senior notes, due 2024 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 1,050.0	$ 1,050.0
Long-term debt, interest rate (as a percent)					5.625%	5.625%
Long-term debt, maturity year					2024	2024
5.375% MGM China senior notes, due 2024 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount	$ 750.0				$ 750.0
Long-term debt, interest rate (as a percent)	5.375%				5.375%
Long-term debt, maturity year	2024				2024
5.75% senior notes, due 2025 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 1,000.0	$ 1,000.0
Long-term debt, interest rate (as a percent)					5.75%	5.75%
Long-term debt, maturity year					2025	2025
5.875% MGM China senior notes, due 2026 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount	$ 750.0				$ 750.0
Long-term debt, interest rate (as a percent)	5.875%				5.875%
Long-term debt, maturity year	2026				2026
4.5% Operating Partnership senior notes, due 2026 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 500.0	$ 500.0
Long-term debt, interest rate (as a percent)					4.50%	4.50%
Long-term debt, maturity year					2026	2026
4.625% senior notes, due 2026 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 500.0	$ 500.0
Long-term debt, interest rate (as a percent)					4.625%	4.625%
Long-term debt, maturity year					2026	2026
5.75% Operating Partnership senior notes, due 2027 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount				$ 750.0	$ 750.0
Long-term debt, interest rate (as a percent)				5.75%	5.75%
Long-term debt, maturity year				2027	2027
5.5% senior notes, due 2027 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 1,000.0
Long-term debt, interest rate (as a percent)					5.50%
Long-term debt, maturity year					2027
4.50% MGM Growth Properties senior notes, due 2028 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 350.0	$ 350.0
Long-term debt, interest rate (as a percent)					4.50%	4.50%
Long-term debt, maturity year					2028	2028
7% debentures, due 2036 [Member]
Debt Instrument [Line Items]
Long-term debt, principal amount					$ 0.6	$ 0.6
Long-term debt, interest rate (as a percent)					7.00%	7.00%
Long-term debt, maturity year					2036	2036

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

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

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

- Details

Name:	us-gaap_DebtInstrumentAxis=mgm_SeniorNotesEightPointSixTwoFivePercentDueInTwoThousandNineteenMember
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_SeniorNotesSevenPointSevenFivePercentDueInTwoThousandTwentyTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mgm_SeniorNotesSixPercentDueTwoThousandTwentyThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mgm_OperatingPartnershipSeniorNotesFivePointSixTwoFivePercentDueInTwoThousandTwentyFourMember
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_SeniorNotesFivePointSevenFivePercentDueInTwoThousandTwentyFiveMember
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_DebtInstrumentAxis=mgm_OperatingPartnershipSeniorNotesFourPointFivePercentDueInTwoThousandTwentySixMember
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_OperatingPartnershipSeniorNotesFivePointSevenFivePercentDueInTwoThousandTwentySevenMember
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_OperatingPartnershipSeniorNotesFourPointFivePercentDueInTwoThousandTwentyEightMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mgm_DebenturesSevenPercentDueTwoThousandThirtySixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: