Cover - shares	3 Months Ended
	Mar. 31, 2023	Apr. 25, 2023
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	001-36787
Entity Registrant Name	RESTAURANT BRANDS INTERNATIONAL LIMITED PARTNERSHIP
Entity Incorporation, State or Country Code	Z4
Entity Tax Identification Number	98-1206431
Entity Address, Address Line One	130 King Street West, Suite 300
Entity Address, Postal Zip Code	M5X 1E1
Entity Address, City or Town	Toronto,
Entity Address, State or Province	ON
City Area Code	905
Local Phone Number	339-6011
Title of 12(g) Security	Class B exchangeable limited partnership units
Trading Symbol	QSP
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Entity Central Index Key	0001618755
Current Fiscal Year End Date	--12-31
Partnership exchangeable units
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding (in shares)		140,782,568
Class A common units
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding (in shares)		202,006,067