CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Total revenues	$ 5,905.0	$ 3,578.7	$ 5,301.4
Operating expenses
General and administrative	1,352.9	1,130.8	1,187.7
Depreciation and amortization	344.5	366.7	414.2
Impairment losses	0.0	623.4	173.1
Total operating expenses	4,845.4	3,988.9	4,729.5
Operating income (loss)	1,059.6	(410.2)	571.9
Other income (expenses)
Interest expense, net	(561.7)	(543.2)	(534.2)
Income from unconsolidated affiliates	38.7	13.8	28.4
Loss on early extinguishment of debt	0.0	(1.2)	0.0
Other	2.5	106.6	20.0
Total other expenses	(520.5)	(424.0)	(485.8)
Income (loss) before income taxes	539.1	(834.2)	86.1
Income tax benefit (expense)	(118.6)	165.1	(43.0)
Net income (loss)	420.5	(669.1)	43.1
Less: Net (income) loss attributable to non-controlling interest	0.3	(0.4)	0.8
Net income (loss) attributable to Penn National Gaming, Inc.	$ 420.8	$ (669.5)	$ 43.9
Earnings Per Share [Abstract]
Basic earnings (loss) per share (in dollars per share)	$ 2.64	$ (5.00)	$ 0.38
Diluted earnings (loss) per share (in dollars per share)	$ 2.48	$ (5.00)	$ 0.37
Weighted-average common shares outstanding - basic (in shares)	158.7	134.0	115.7
Weighted-average common shares outstanding - diluted (in shares)	175.5	134.0	117.8
Gaming
Revenues
Total revenues	$ 4,945.3	$ 3,051.1	$ 4,268.7
Operating expenses
Cost of revenue	2,540.7	1,530.3	2,281.8
Food, beverage, hotel and other
Revenues
Total revenues	959.7	527.6	1,032.7
Operating expenses
Cost of revenue	$ 607.3	$ 337.7	$ 672.7