CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 29, 2012	Dec. 31, 2011
Net income (loss) including noncontrolling interests	$ 572.5	$ 439.1	$ 677.1
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(207.7)	344.9	(67.7)
Unrealized gain (loss) on derivative instruments	35.5	(26.4)	(6.1)
Reclassification of derivative (gain) loss to income	(3.2)	8.6	19.4
Pension and other postretirement benefit adjustments	240.7	(195.8)	(189.6)
Amortization of net prior service (benefit) cost and net actuarial (gain) loss to income	46.4	30.9	10.2
Ownership share of unconsolidated subsidiaries' other comprehensive income (loss)	81.2	(6.9)	(67.0)
Total other comprehensive income (loss), net of tax	192.9	155.3	(300.8)
Comprehensive income (loss)	765.4	594.4	376.3
Less: Comprehensive income (loss) attributable to noncontrolling interests	(5.2)	3.9	(0.8)
Comprehensive income (loss) attributable to Molson Coors Brewing Company	$ 760.2	$ 598.3	$ 375.5