CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income (loss) including noncontrolling interests	$ 346.1	$ 47.9	$ 419.3	$ 185.2
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	73.3	(208.9)	127.5	(219.1)
Reclassification of cumulative translation adjustment	0.0	0.0	0.0	12.1
Unrealized gain (loss) on derivative instruments	7.0	70.3	(11.5)	124.4
Reclassification of derivative (gain) loss to income (loss)	0.1	8.4	1.0	9.1
Pension and other postretirement prior service (benefit) cost and net actuarial (gain) loss amortization and settlements to income (loss)	(2.8)	(0.9)	(5.7)	(1.8)
Ownership share of unconsolidated subsidiaries' other comprehensive income (loss)	0.1	10.1	1.6	10.3
Total other comprehensive income (loss), net of tax	77.7	(121.0)	112.9	(65.0)
Comprehensive income (loss)	423.8	(73.1)	532.2	120.2
Comprehensive (income) loss attributable to noncontrolling interests	(4.2)	1.0	(5.2)	15.6
Comprehensive income (loss) attributable to Molson Coors Beverage Company	$ 419.6	$ (72.1)	$ 527.0	$ 135.8