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Investments in and Advances to Unconsolidated Affiliates - Additional Information (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Schedule of Investments [Line Items]
Distributions from unconsolidated affiliates	$ 106	$ 91
Rivers Des Plaines
Schedule of Investments [Line Items]
Equity method investment, ownership percentage	61.30%
Equity method investment, difference between carrying amount and underlying equity	$ 833
Equity method investment, amount	583		$ 573
Distributions from unconsolidated affiliates	$ 68	56
Miami Valley Gaming LLC
Schedule of Investments [Line Items]
Equity method investment, ownership percentage	50.00%
Equity method investment, amount	$ 111		$ 112
Distributions from unconsolidated affiliates	$ 38	$ 35
High Plaines \| Rivers Des Plaines
Schedule of Investments [Line Items]
Equity method investment, ownership percentage	36.00%
Casino Investors \| Rivers Des Plaines
Schedule of Investments [Line Items]
Equity method investment, ownership percentage	2.70%
Delaware North Companies Gaming & Entertainment Inc. \| Miami Valley Gaming LLC
Schedule of Investments [Line Items]
Equity method investment, ownership percentage	50.00%