CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net income (loss) including noncontrolling interests	$ 1,981.8	$ 362.8	$ 517.8
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(234.4)	(918.4)	(849.8)
Unrealized gain (loss) on derivative instruments	9.7	20.9	7.0
Reclassification of derivative (gain) loss to income	(3.0)	(5.4)	2.3
Pension and other postretirement benefit adjustments	62.3	33.6	(136.8)
Amortization of net prior service (benefit) cost and net actuarial (gain) loss to income	31.4	37.5	26.2
Reclassification of historical share of MillerCoors' AOCI loss	258.2	0.0	0.0
Ownership share of unconsolidated subsidiaries' other comprehensive income (loss)	22.3	34.3	(102.2)
Total other comprehensive income (loss), net of tax	146.5	(797.5)	(1,053.3)
Comprehensive income (loss)	2,128.3	(434.7)	(535.5)
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	(3.0)	(2.3)	(3.8)
Comprehensive (income) loss attributable to noncontrolling interests	5.9	3.3	3.8
Comprehensive income (loss) attributable to Molson Coors Brewing Company	$ 2,125.3	$ (437.0)	$ (539.3)