CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Consolidated net income	$ 1,671	$ 1,923	$ 1,949
Derivative instruments, net	8	8	7
Available-for-sale securities, net	15	5	2
Foreign currency translation adjustments	55	(105)	76
Post-retirement benefit obligations, net	1	2	3
Other comprehensive income (loss), net of tax	79	(90)	88
Comprehensive income	1,750	1,833	2,037
Less: Comprehensive income (loss) attributable to noncontrolling interests	1	(2)
Comprehensive income attributable to Waste Management, Inc.	$ 1,749	$ 1,835	$ 2,037