Segment and Related Information - Revenues mix (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue from External Customer [Line Items]
Operating revenues	$ 3,861	$ 3,967	$ 11,151	$ 11,609
Operating Segments [Member]
Revenue from External Customer [Line Items]
Operating revenues	4,692	4,804	13,544	14,036
Operating Segments [Member] | Collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	2,516	2,626	7,359	7,654
Operating Segments [Member] | Commercial [Member]
Revenue from External Customer [Line Items]
Operating revenues	1,025	1,069	3,016	3,147
Operating Segments [Member] | Residential [Member]
Revenue from External Customer [Line Items]
Operating revenues	662	661	1,969	1,956
Operating Segments [Member] | Industrial [Member]
Revenue from External Customer [Line Items]
Operating revenues	709	766	2,027	2,190
Operating Segments [Member] | Other collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	120	130	347	361
Operating Segments [Member] | Landfill [Member]
Revenue from External Customer [Line Items]
Operating revenues	946	993	2,707	2,880
Operating Segments [Member] | Transfer [Member]
Revenue from External Customer [Line Items]
Operating revenues	482	471	1,362	1,357
Operating Segments [Member] | Recycling [Member]
Revenue from External Customer [Line Items]
Operating revenues	290	245	819	800
Operating Segments [Member] | Other Revenue [Member]
Revenue from External Customer [Line Items]
Operating revenues	458	469	1,297	1,345
Intercompany Operating Revenues [Member]
Revenue from External Customer [Line Items]
Operating revenues	$ (831)	$ (837)	$ (2,393)	$ (2,427)