Investments in and Advances to Unconsolidated Affiliates - Schedule of Summary Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Summary financial information
Current assets	$ 2,013.4	$ 2,223.6
Current liabilities	1,158.7	1,133.2
Revenues	6,401.7	5,905.0	$ 3,578.7
Operating expenses	5,427.7	4,845.4	3,988.9
Operating income (loss)	974.0	1,059.6	(410.2)
Net income	221.7	420.5	(669.1)
Net income (loss) attributable to PENN Entertainment	222.1	420.8	(669.5)
Kansas Entertainment
Summary financial information
Current assets	21.1	19.1
Long-term assets	142.4	145.1
Current liabilities	15.0	11.0
Revenues	161.9	149.5	104.2
Operating expenses	99.0	88.7	75.5
Operating income (loss)	62.9	60.8	28.7
Net income	62.9	60.8	28.7
Net income (loss) attributable to PENN Entertainment	$ 31.5	$ 30.4	$ 14.4