CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income (loss) including noncontrolling interests	$ 246.2	$ 1,134.6	$ 1,587.8
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	177.6	(359.0)	570.7
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	0.0	6.0	0.0
Unrealized gain (loss) on derivative instruments	(84.2)	10.9	(17.4)
Reclassification of derivative (gain) loss to income	0.5	2.5	1.3
Pension and other postretirement benefit adjustments	(39.8)	43.5	145.7
Amortization of net prior service (benefit) cost and net actuarial (gain) loss to income and settlement	19.7	4.9	3.6
Ownership share of unconsolidated subsidiaries' other comprehensive income (loss)	(10.6)	(0.8)	10.4
Total other comprehensive income (loss), net of tax	63.2	(292.0)	714.3
Comprehensive income (loss)	309.4	842.6	2,302.1
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	(5.1)	(16.1)	(24.7)
Comprehensive income (loss) attributable to Molson Coors Beverage Company	304.3	826.5	2,277.4
As Restated
Other comprehensive income (loss), net of tax:
Total other comprehensive income (loss), net of tax	$ 63.2	$ (292.0)	$ 714.3