CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Sales	$ 2,256.1	$ 2,537.8
Excise taxes	(357.7)	(435.0)
Revenue from Contract with Customer, Including Assessed Tax	1,898.4	2,102.8
Cost of goods sold	(1,167.4)	(1,479.0)
Gross profit	731.0	623.8
Marketing, general and administrative expenses	(542.9)	(629.7)
Special items, net	(10.9)	(86.6)
Operating income (loss)	177.2	(92.5)
Interest income (expense), net	(65.3)	(68.9)
Other pension and postretirement benefits (costs), net	13.0	7.5
Other income (expense), net	1.4	(4.8)
Income (loss) before income taxes	126.3	(158.7)
Income tax benefit (expense)	(44.3)	43.3
Net income (loss)	82.0	(115.4)
Net (income) loss attributable to noncontrolling interests	2.1	(1.6)
Net income (loss) attributable to Molson Coors Beverage Company	$ 84.1	$ (117.0)
Net income (loss) attributable to Molson Coors Beverage Company per share
Net income (loss) per share, basic (in dollars per share)	$ 0.39	$ (0.54)
Diluted net income (loss) attributable to Molson Coors Beverage Company per share:
Net income (loss) per share, diluted (in dollars per share)	$ 0.39	$ (0.54)
Weighted average shares outstanding, basic
Weighted average shares - basic (in shares)	217.0	216.7
Weighted average shares outstanding, diluted
Dilutive effect of share-based awards (in shares)	0.4	0.0
Weighted average shares - diluted (in shares)	217.4	216.7
Share-based payment arrangement
Weighted average shares outstanding, diluted
Antidilutive securities excluded from the computation of diluted EPS (in shares)	1.8	2.9