Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 304	$ 337	$ 846	$ 479
Derivative instruments, net	2	5	11	10
Available-for-sale securities, net		(2)	2	(1)
Foreign currency translation adjustments	(16)	(60)	51	(123)
Other comprehensive income (loss), net of taxes	(14)	(57)	64	(114)
Comprehensive income	290	280	910	365
Less: Comprehensive income (loss) attributable to noncontrolling interests	2	2	(1)	(1)
Comprehensive income attributable to Waste Management, Inc.	$ 288	$ 278	$ 911	$ 366