Segment and Related Information - Revenues mix (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue from External Customer [Line Items]
Operating revenues	$ 3,729	$ 3,696
Operating Segments [Member]
Revenue from External Customer [Line Items]
Operating revenues	4,530	4,453
Operating Segments [Member] | Collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	2,518	2,455
Operating Segments [Member] | Commercial [Member]
Revenue from External Customer [Line Items]
Operating revenues	1,063	1,026
Operating Segments [Member] | Residential [Member]
Revenue from External Customer [Line Items]
Operating revenues	650	640
Operating Segments [Member] | Industrial [Member]
Revenue from External Customer [Line Items]
Operating revenues	693	680
Operating Segments [Member] | Other collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	112	109
Operating Segments [Member] | Landfill [Member]
Revenue from External Customer [Line Items]
Operating revenues	887	864
Operating Segments [Member] | Transfer [Member]
Revenue from External Customer [Line Items]
Operating revenues	441	412
Operating Segments [Member] | Recycling [Member]
Revenue from External Customer [Line Items]
Operating revenues	254	291
Operating Segments [Member] | Other Revenue [Member]
Revenue from External Customer [Line Items]
Operating revenues	430	431
Intercompany Operating Revenues [Member]
Revenue from External Customer [Line Items]
Operating revenues	$ (801)	$ (757)