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LEASES - Additional Information (Details) $ in Millions													1 Months Ended		12 Months Ended
	Dec. 01, 2024 USD ($)	Oct. 01, 2024 USD ($)	Jun. 01, 2024 USD ($)	May 01, 2024 USD ($)	Feb. 29, 2024 USD ($)	Feb. 15, 2023 USD ($)	Dec. 19, 2022 USD ($)	May 17, 2022 period	Apr. 29, 2022 USD ($) period	Sep. 28, 2021 period	Feb. 14, 2020 period	Nov. 15, 2019 period	Feb. 28, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2024 debt_instrument
Lessee, Lease, Description [Line Items]
Number of letters of credit | debt_instrument															1
Discontinued Operations, Disposed of by Sale | The Mirage
Lessee, Lease, Description [Line Items]
Decrease in annual rent payment							$ 90							$ 90
Right-of-use assets derecognized upon lease modification													$ 1,300
Lease liabilities derecognized upon lease modification													1,300
Discontinued Operations, Disposed of by Sale | Gold Strike Tunica
Lessee, Lease, Description [Line Items]
Right-of-use assets derecognized upon lease modification													507
Lease liabilities derecognized upon lease modification													516
Disposal Group, Held-for-Sale, Not Discontinued Operations | Gold Strike Tunica
Lessee, Lease, Description [Line Items]
Decrease in annual rent payment						$ 40							40
Bellagio BREIT Venture
Lessee, Lease, Description [Line Items]
Ownership interest (in percent)															5.00%
VICI Lease and Ground Subleases
Lessee, Lease, Description [Line Items]
Lease agreement, initial lease term (in years)									25 years
Number of renewal periods, exercisable at option | period									3
Annual rent escalator from year one through year ten									2.00%
Lease agreement renewal period									10 years
Lease agreement renewal period									10 years
Annual rent escalator from year one through year fifteen				2.00%
Annual rent escalator after year ten									2.00%
Annual rent escalator cap after year ten									3.00%
Lessee, operating lease, annual rent expense				$ 759					$ 860				$ 730	$ 770
VICI Lease and Ground Subleases | Minimum
Lessee, Lease, Description [Line Items]
Term of covenant															6 months
VICI Lease and Ground Subleases | Maximum
Lessee, Lease, Description [Line Items]
Term of covenant															2 years
Mandalay Bay and MGM Grand Las Vegas
Lessee, Lease, Description [Line Items]
Lease agreement, initial lease term (in years)											30 years
Number of renewal periods, exercisable at option | period											2
Lease agreement renewal period											15 years
Increase (decrease) in annual rent expense					$ 316
Lease agreement renewal period											10 years
Annual rent escalator from year one through year fifteen					2.00%						2.00%
Annual rent escalator after year fifteen											2.00%
Annual rent escalator cap after year fifteen											3.00%
Aria and Vdara
Lessee, Lease, Description [Line Items]
Lease agreement, initial lease term (in years)										30 years
Number of renewal periods, exercisable at option | period										3
Lease agreement renewal period										15 years
Increase (decrease) in annual rent expense		$ 228
Lease agreement renewal period										10 years
Annual rent escalator after year fifteen										2.00%
Annual rent escalator cap after year fifteen										3.00%
Fixed rent escalator for fifteen years		2.00%								2.00%
Cosmopolitan of Las Vegas
Lessee, Lease, Description [Line Items]
Lease agreement, initial lease term (in years)								30 years
Number of renewal periods, exercisable at option | period								3
Lease agreement renewal period								15 years
Lease agreement renewal period								10 years
Annual rent escalator after year fifteen								2.00%
Annual rent escalator cap after year fifteen								3.00%
Fixed rent escalator for fifteen years								2.00%
Lessee, operating lease, annual rent expense			$ 208
Bellagio Lease
Lessee, Lease, Description [Line Items]
Lease agreement, initial lease term (in years)												30 years
Number of renewal periods, exercisable at option | period												2
Lease agreement renewal period (in years)												10 years
Annual rent escalator from year one through year ten	2.00%											2.00%
Lease agreement renewal period												10 years
Annual rent escalator from year eleven through year twenty												2.00%
Annual rent escalator cap from year eleven through year twenty												3.00%
Annual rent escalator after year twenty												4.00%
Increase (decrease) in annual rent expense	$ 270
M G M Cotai
Lessee, Lease, Description [Line Items]
Lease agreement, initial lease term (in years)															25 years
Lease agreement renewal period															10 years
MGM Macau
Lessee, Lease, Description [Line Items]
Lease agreement, initial lease term (in years)															25 years
Lease agreement renewal period															10 years

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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+ References

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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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