Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statements of Comprehensive Income
Consolidated net income	$ 388	$ 304	$ 1,046	$ 846
Derivative instruments, net	2	2	6	11
Available-for-sale securities, net			2	2
Foreign currency translation adjustments	46	(16)	86	51
Post-retirement benefit obligation, net	(1)
Other comprehensive income (loss), net of tax	47	(14)	94	64
Comprehensive income	435	290	1,140	910
Less: Comprehensive income (loss) attributable to noncontrolling interests	2	2		(1)
Comprehensive income attributable to Waste Management, Inc.	$ 433	$ 288	$ 1,140	$ 911