CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Sales	$ 3,740.0	$ 3,838.1	$ 6,430.2	$ 6,887.4
Excise taxes	(539.2)	(585.8)	(925.3)	(1,038.7)
Net sales	3,200.8	3,252.3	5,504.9	5,848.7
Cost of goods sold	(1,918.9)	(1,922.4)	(3,372.1)	(3,555.3)
Gross profit	1,281.9	1,329.9	2,132.8	2,293.4
Marketing, general and administrative expenses	(693.1)	(728.5)	(1,346.3)	(1,383.1)
Other operating income (expense), net	(9.2)	0.1	(25.1)	6.4
Equity income (loss)	4.0	(1.9)	8.5	(2.8)
Operating income (loss)	583.6	599.6	769.9	913.9
Interest income (expense), net	(58.5)	(51.2)	(115.1)	(99.6)
Other pension and postretirement benefit (cost), net	3.5	7.3	7.3	14.7
Other non-operating income (expense), net	26.3	4.2	49.1	(3.7)
Total non-operating income (expense), net	(28.7)	(39.7)	(58.7)	(88.6)
Income (loss) before income taxes	554.9	559.9	711.2	825.3
Income tax benefit (expense)	(130.6)	(134.6)	(163.8)	(190.1)
Net income (loss)	424.3	425.3	547.4	635.2
Net (income) loss attributable to noncontrolling interests	4.4	1.7	2.3	(0.4)
Net income (loss) attributable to Molson Coors Beverage Company	$ 428.7	$ 427.0	$ 549.7	$ 634.8
Net income (loss) attributable to Molson Coors Beverage Company per share
Basic (in dollars per share)	$ 2.14	$ 2.03	$ 2.73	$ 3.00
Diluted (in dollars per share)	$ 2.13	$ 2.03	$ 2.71	$ 2.99
Weighted-average shares outstanding
Basic (in shares)	200.5	210.0	201.7	211.3
Dilutive effect of share-based awards (in shares)	0.7	0.8	0.9	1.2
Diluted (in shares)	201.2	210.8	202.6	212.5