Cover - shares	3 Months Ended
	Mar. 31, 2023	Apr. 24, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	1-37556
Entity Registrant Name	STERICYCLE INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	36-3640402
Entity Address, Address Line One	2355 Waukegan Road
Entity Address, City or Town	Bannockburn
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60015
City Area Code	847
Local Phone Number	367-5910
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	SRCL
Security Exchange Name	NASDAQ
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
Entity Common Stock, Shares Outstanding		92,445,372
Entity Central Index Key	0000861878
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Amendment Flag	false