Intangible Assets, net and Goodwill - Schedule of Intangible Assets, Net and Goodwill (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross	$ 835	$ 847
Accumulated Amortization	(304)	(290)
Net	531	557
Intangible assets, net	10,288	10,563
Goodwill	5,498	5,651
Trade Names
Finite And Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets:	9,757	10,006
Tim Hortons
Finite And Indefinite Lived Intangible Assets [Line Items]
Goodwill	4,054	4,207
Tim Hortons | Trade Names
Finite And Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets:	6,284	6,534
Burger King
Finite And Indefinite Lived Intangible Assets [Line Items]
Goodwill	598	598
Burger King | Trade Names
Finite And Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets:	2,118	2,117
Popeyes
Finite And Indefinite Lived Intangible Assets [Line Items]
Goodwill	846	846
Popeyes | Trade Names
Finite And Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets:	1,355	1,355
Franchise agreements
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross	717	720
Accumulated Amortization	(240)	(225)
Net	477	495
Favorable leases
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross	118	127
Accumulated Amortization	(64)	(65)
Net	$ 54	$ 62