Cover Page - shares	6 Months Ended
	Jun. 30, 2020	Aug. 05, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Quarterly period ended	Jun. 30, 2020
Document Transition Report	false
Commission File Number	001-36367
Exact name of registrant as specified in its charter	OUTFRONT Media Inc.
State or other jurisdiction of incorporation or organization	MD
I.R.S. Employer Identification No.	46-4494703
Entity Address, Address Line One	405 Lexington Avenue, 17th Floor
Entity Address, City or Town	New York,
Entity Address, State or Province	NY
Zip Code	10174
City Area Code	212
Registrant's telephone number, including area code	297-6400
Title of 12(b) Security	Common Stock, $0.01, par value
Trading Symbol	OUT
Security Exchange Name	NYSE
Filed all reports required to be filed by Section 13 or 15(d)	Yes
Entity Interactive Data Current	Yes
Entity filer category	Large Accelerated Filer
Entity Small Business	false
Emerging growth company	false
Entity Shell Company	false
Shares outstanding (shares)		144,410,337
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Central Index Key	0001579877