CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Sales	$ 2,774.8	$ 2,643.3
Excise taxes	(428.5)	(428.7)
Net sales	2,346.3	2,214.6
Cost of goods sold	(1,575.6)	(1,286.8)
Gross profit	770.7	927.8
Marketing, general and administrative expenses	(615.0)	(675.7)
Other operating income (expense), net	(0.5)	(27.6)
Equity income (loss)	3.0	(0.1)
Operating income (loss)	158.2	224.4
Interest income (expense), net	(59.1)	(63.3)
Other pension and postretirement benefits (costs), net	2.6	10.6
Other non-operating income (expense), net	0.2	2.0
Income (loss) before income taxes	101.9	173.7
Income tax benefit (expense)	(28.7)	(36.4)
Net income (loss)	73.2	137.3
Net (income) loss attributable to noncontrolling interests	(0.7)	14.2
Net income (loss) attributable to Molson Coors Beverage Company	$ 72.5	$ 151.5
Net income (loss) attributable to Molson Coors Beverage Company per share
Basic (in dollars per share)	$ 0.33	$ 0.70
Diluted (in dollars per share)	$ 0.33	$ 0.70
Weighted-average shares outstanding
Basic (in shares)	216.5	217.2
Dilutive effect of share-based awards (in shares)	0.8	0.6
Diluted (in shares)	217.3	217.8