CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Common Stock, Non-Exchangeable	Common Stock, Exchangeable	Cumulative Effect, Period of Adoption, Adjustment	Total PENN Stock-holders’ Equity (Deficit)	Total PENN Stock-holders’ Equity (Deficit) Cumulative Effect, Period of Adoption, Adjustment	Preferred 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 Income (Loss)	Non-Controlling Interest
Beginning balance (in shares) at Dec. 31, 2019							0
Beginning balance (in shares) at Dec. 31, 2019								115,958,259	0
Beginning balance at Dec. 31, 2019	$ 1,851.9			$ 0.6	$ 1,852.7	$ 0.6	$ 0.0	$ 1.2	$ 0.0	$ (28.4)	$ 1,718.3		$ 161.6	$ 0.6	$ 0.0	$ (0.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)								4,475,908
Share-based compensation arrangements	71.0				71.0						71.0
Stock issuance/offerings ( in shares)								35,266,667
Stock issuance/offerings	1,288.8				1,288.8			$ 0.4			1,288.4
Convertible debt offering	88.2				88.2						88.2
Barstool Sports investment (in shares)							883
Barstool Sports investment	23.1				23.1		$ 23.1
Currency translation adjustment	0.0
Net income (loss)	(669.1)				(669.5)								(669.5)			0.4
Other	1.3				1.3						1.3
Ending balance (in shares) at Dec. 31, 2020							883
Ending balance (in shares) at Dec. 31, 2020								155,700,834	0
Ending balance at Dec. 31, 2020	$ 2,655.8				2,656.2		$ 23.1	$ 1.6	$ 0.0	(28.4)	3,167.2		(507.3)		0.0	(0.4)
Accounting Standards Update [Extensible List]	Accounting Standards Update 2020-06 [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation arrangements (in shares)								1,061,242
Share-based compensation arrangements	$ 35.1				35.1						35.1
Share issuance in connection with acquisitions (in shares)								12,561,127	697,539
Share issuance in connection with acquisitions	1,039.6				1,039.6			$ 0.1			1,039.5
Stock issuance/offerings ( in shares)							86
Stock issuance/offerings	8.1				8.1		$ 8.1
Preferred stock conversions (in shares)							(194)	194,200
Preferred stock conversions	0.0						$ (5.4)				5.4
Exchangeable shares conversions (in shares)								44,480	(44,480)
Currency translation adjustment	(54.4)				(54.4)										(54.4)
Net income (loss)	420.5				420.8								420.8			(0.3)
Other	(7.6)				(7.6)						(7.6)
Ending balance (in shares) at Dec. 31, 2021							775
Ending balance (in shares) at Dec. 31, 2021		169,561,883	653,059					169,561,883	653,059
Ending 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)								607,818
Share-based compensation arrangements	$ 58.1				58.1						58.1
Share repurchases (in shares)	(17,561,288)							(17,561,288)
Share repurchases	$ (601.1)				(601.1)					(601.1)
Stock issuance/offerings ( in shares)								68,055
Stock issuance/offerings	2.2				2.2						2.2
Preferred stock conversions (in shares)							(194)	194,200
Preferred stock conversions	0.0						$ (6.4)				6.4
Exchangeable shares conversions (in shares)								33,040	(33,040)
Currency translation adjustment	(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					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)