Commitments and Contingencies (Details) - TDL Group Corp - The TDL Group Corp. vs Tim Hortons Advertising Fund - Settled Litigation $ in Millions	Apr. 29, 2019 CAD ($)	Feb. 22, 2019 claim
Loss Contingencies [Line Items]
Number of lawsuits settled | claim		2
Amount of contribution to be paid	$ 6
Term of amount to be contributed	2 years
Legal and administrative expenses	$ 6