CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Sales	$ 13,734.3	$ 13,884.6	$ 12,807.5
Excise taxes	(2,107.3)	(2,182.5)	(2,106.5)
Net sales	11,627.0	11,702.1	10,701.0
Cost of goods sold	(7,093.6)	(7,333.3)	(7,045.8)
Gross profit	4,533.4	4,368.8	3,655.2
Marketing, general and administrative expenses	(2,717.5)	(2,779.9)	(2,618.8)
Goodwill impairment	0.0	0.0	(845.0)
Other operating income (expense), net	(65.4)	(162.7)	(38.6)
Equity income (loss)	2.7	12.0	4.7
Operating income (loss)	1,753.2	1,438.2	157.5
Interest expense	(282.7)	(234.0)	(250.6)
Interest income	35.4	25.4	4.3
Other pension and postretirement benefit (cost), net	(5.0)	10.2	36.6
Other non-operating income (expense), net	2.1	12.7	(10.3)
Total non-operating income (expense), net	(250.2)	(185.7)	(220.0)
Income (loss) before income taxes	1,503.0	1,252.5	(62.5)
Income tax benefit (expense)	(345.3)	(296.1)	(124.0)
Net income (loss)	1,157.7	956.4	(186.5)
Net (income) loss attributable to noncontrolling interests	(35.3)	(7.5)	11.2
Net income (loss) attributable to Molson Coors Beverage Company	$ 1,122.4	$ 948.9	$ (175.3)
Net income (loss) attributable to Molson Coors Beverage Company per share
Basic (in dollars per share)	$ 5.38	$ 4.39	$ (0.81)
Diluted (in dollars per share)	$ 5.35	$ 4.37	$ (0.81)
Weighted-average shares outstanding
Basic (in shares)	208.8	216.0	216.9
Dilutive effect of share-based awards (in shares)	1.1	1.3	0.0
Diluted (in shares)	209.9	217.3	216.9