Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 1,292.3	$ 969.6	$ 1,073.8
Hedging activity:
Realized loss reclassified into earnings	4.6	5.8	1.0
Unrealized loss	0.0	(22.5)	(30.2)
Pension activity:
Change in funded status of pension plan obligations	(6.8)	2.1	(2.5)
Other comprehensive loss, net of tax	(2.2)	(14.6)	(31.7)
Comprehensive income	1,290.1	955.0	1,042.1
Comprehensive income attributable to non-controlling interests	(1.9)	(2.4)	(0.5)
Comprehensive income attributable to Republic Services, Inc.	$ 1,288.2	$ 952.6	$ 1,041.6