CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	PENN Entertainment, Inc. Shares	Exchangeable Shares	Total PENN Stock-holders’ Equity	Total PENN Stock-holders’ Equity Cumulative Effect, Period of Adoption, Adjustment	Preferred Stock	Common Stock PENN Entertainment, Inc. Shares	Common Stock Exchangeable Shares	Treasury Stock	Additional Paid-In Capital	Additional Paid-In Capital Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings (Accumulated Deficit)	Retained Earnings (Accumulated Deficit) Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interest
Beginning balance (in shares) at Dec. 31, 2021							775
Beginning balance at Dec. 31, 2021	$ 4,097.1	$ (69.3)			$ 4,097.8	$ (69.3)	$ 25.8	$ 1.7	$ 0.0	$ (28.4)	$ 4,239.6	$ (88.2)	$ (86.5)	$ 18.9	$ (54.4)	$ (0.7)
Beginning balance (in shares) at Dec. 31, 2021								169,561,883	653,059
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)								607,818
Share-based compensation arrangements	58.1				58.1						58.1
Share repurchases (in shares)								(17,561,288)
Share repurchases	(601.1)				(601.1)					(601.1)
Preferred stock conversions (in shares)							194	194,200
Preferred stock conversions	0.0						$ (6.4)				6.4
Common stock issuance (in shares)								68,055
Common stock issuance	2.2				2.2						2.2
Exchangeable share conversions (in shares)								33,040	33,040
Unrealized gain on debt securities	0.0
Foreign currency translation adjustment during the period	(114.2)				(114.2)										(114.2)
Net income (loss)	221.7				222.1								222.1			(0.4)
Other	2.1				2.1						2.1
Ending balance (in shares) at Dec. 31, 2022							581
Ending balance (in shares) at Dec. 31, 2022								152,903,708	620,019
Ending balance at Dec. 31, 2022	3,596.6				3,597.7		$ 19.4	$ 1.7	$ 0.0	(629.5)	4,220.2		154.5		(168.6)	(1.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)								997,137
Share-based compensation arrangements	85.9				85.9						85.9
Share issuance in connection with acquisitions (in shares)								2,442,809
Share issuance in connection with acquisitions	$ 80.8				80.8						80.8
Share repurchases (in shares)	(5,438,221)							(5,438,221)
Share repurchases	$ (149.8)				(149.8)					(149.8)
Preferred stock conversions (in shares)							581	580,600
Preferred stock conversions	0.0						$ (19.4)				19.4
Common stock issuance (in shares)								4,055
Common stock issuance				$ 0.1	0.1						0.1
Exchangeable share conversions (in shares)								62,606	62,606
Investment Agreement warrants (Note 12)	22.8				22.8						22.8
Unrealized gain on debt securities	3.2				3.2										3.2
Foreign currency translation adjustment during the period	44.1				44.1										44.1
Net income (loss)	(491.4)				(490.0)								(490.0)			(1.4)
Other	7.3				7.3			$ 0.1		(0.2)	7.4
Ending balance (in shares) at Dec. 31, 2023							0
Ending balance (in shares) at Dec. 31, 2023			151,552,694	560,267				151,552,694	560,267
Ending balance at Dec. 31, 2023	3,199.6				3,202.1		$ 0.0	$ 1.8	$ 0.0	(779.5)	4,436.6		(335.5)		(121.3)	(2.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)								510,641
Share-based compensation arrangements	$ 52.9				52.9						52.9
Share repurchases (in shares)	0
Common stock issuance (in shares)								4,055
Common stock issuance	$ 0.1				0.1						0.1
Exchangeable share conversions (in shares)								161,781	161,781
Investment Agreement warrants (Note 12)	57.6				57.6						57.6
Unrealized gain on debt securities	5.4				5.4										5.4
Foreign currency translation adjustment during the period	(139.1)				(139.1)										(139.1)
Net income (loss)	(313.3)				(311.5)								(311.5)			(1.8)
Other	(4.8)				(4.8)						(4.8)
Ending balance (in shares) at Dec. 31, 2024							0
Ending balance (in shares) at Dec. 31, 2024			152,229,171	466,534				152,229,171	466,534
Ending balance at Dec. 31, 2024	$ 2,858.4				$ 2,862.7		$ 0.0	$ 1.8	$ 0.0	$ (779.5)	$ 4,542.4		$ (647.0)		$ (255.0)	$ (4.3)