Segment and Related Information - Revenues mix (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenue from External Customer [Line Items]
Operating revenues	$ 3,696	$ 3,511
Operating Segments [Member]
Revenue from External Customer [Line Items]
Operating revenues	4,453	4,226
Operating Segments [Member] | Collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	2,455	2,307
Operating Segments [Member] | Commercial [Member]
Revenue from External Customer [Line Items]
Operating revenues	1,026	955
Operating Segments [Member] | Residential [Member]
Revenue from External Customer [Line Items]
Operating revenues	640	614
Operating Segments [Member] | Industrial [Member]
Revenue from External Customer [Line Items]
Operating revenues	680	637
Operating Segments [Member] | Other Collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	109	101
Operating Segments [Member] | Landfill [Member]
Revenue from External Customer [Line Items]
Operating revenues	864	805
Operating Segments [Member] | Transfer [Member]
Revenue from External Customer [Line Items]
Operating revenues	412	375
Operating Segments [Member] | Recycling [Member]
Revenue from External Customer [Line Items]
Operating revenues	291	312
Operating Segments [Member] | Other Revenue [Member]
Revenue from External Customer [Line Items]
Operating revenues	431	427
Intercompany Operating Revenues [Member]
Revenue from External Customer [Line Items]
Operating revenues	$ (757)	$ (715)