CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock, Non-Exchangeable	Common Stock, Exchangeable	Total PENN Stockholders’ Equity	Total PENN Stockholders’ Equity Cumulative Effect, Period of Adoption, Adjustment	Preferred Stock	Common Stock	Common Stock Common Stock, Non-Exchangeable	Common Stock Common Stock, Exchangeable	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 Loss	Accumulated Other Comprehensive Loss Cumulative Effect, Period of Adoption, Adjustment	Non-Controlling Interest
Beginning balance (in shares) at Dec. 31, 2021							775
Beginning balance (in shares) at Dec. 31, 2021									169,561,883	653,059
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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)									188,273
Share-based compensation arrangements	$ 17.0				17.0							17.0
Share repurchases (in shares)	(3,802,408)								(3,802,408)
Share repurchases	$ (175.1)				(175.1)						(175.1)
Preferred stock conversions (Note 13) (in shares)							(194)		194,200
Preferred stock conversions (Note 13)	0.0				0.0		$ (6.4)					6.4
Exchangeable share conversions (Note 13) (in shares)								(19,870)	19,870
Currency translation adjustment	35.8				35.8											35.8
Net income (loss)	51.6				51.7									51.7				(0.1)
Other	(4.4)				(4.4)							(4.4)
Ending balance (in shares) at Mar. 31, 2022							581
Ending balance (in shares) at Mar. 31, 2022									166,161,818	633,189
Ending balance at Mar. 31, 2022	$ 3,952.7				3,953.5		$ 19.4		$ 1.7	$ 0.0	(203.5)	4,170.4		(15.9)		(18.6)		(0.8)
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2020-06 [Member]
Beginning balance (in shares) at Dec. 31, 2021							775
Beginning balance (in shares) at Dec. 31, 2021									169,561,883	653,059
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)
Ending balance (in shares) at Dec. 31, 2022							581
Ending balance (in shares) at Dec. 31, 2022			152,903,708	620,019					152,903,708	620,019
Ending balance at Dec. 31, 2022	3,596.6	$ 8.2			3,597.7	$ 8.2	$ 19.4		$ 1.7	$ 0.0	(629.5)	4,220.2		154.5		(168.6)	$ 8.2	(1.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)									148,439
Share-based compensation arrangements	16.5				16.5							16.5
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)	(1,646,963)								(1,646,963)
Share repurchases	$ (50.0)				(50.0)						(50.0)
Preferred stock conversions (Note 13) (in shares)							227		226,800
Preferred stock conversions (Note 13)	0.0				0.0		$ (7.6)					7.6
Exchangeable share issuance (Note 13) (in shares)										2,854
Exchangeable share conversions (Note 13) (in shares)									62,115	(62,115)
Currency translation adjustment	8.2
Net income (loss)	514.4				514.5									514.5				(0.1)
Other	8.6				8.6			$ 0.1				8.5
Ending balance (in shares) at Mar. 31, 2023							354
Ending balance (in shares) at Mar. 31, 2023			154,136,908	560,758					154,136,908	560,758
Ending balance at Mar. 31, 2023	$ 4,175.1				$ 4,176.3		$ 11.8		$ 1.8	$ 0.0	$ (679.5)	$ 4,333.6		$ 669.0		$ (160.4)		$ (1.2)