Segment and Related Information - Revenues mix (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue from External Customer [Line Items]
Operating revenues	$ 3,561	$ 3,946	$ 7,290	$ 7,642
Operating Segments [Member]
Revenue from External Customer [Line Items]
Operating revenues	4,322	4,779	8,852	9,232
Operating Segments [Member] | Collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	2,325	2,573	4,843	5,028
Operating Segments [Member] | Commercial [Member]
Revenue from External Customer [Line Items]
Operating revenues	928	1,052	1,991	2,078
Operating Segments [Member] | Residential [Member]
Revenue from External Customer [Line Items]
Operating revenues	657	655	1,307	1,295
Operating Segments [Member] | Industrial [Member]
Revenue from External Customer [Line Items]
Operating revenues	625	744	1,318	1,424
Operating Segments [Member] | Other collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	115	122	227	231
Operating Segments [Member] | Landfill [Member]
Revenue from External Customer [Line Items]
Operating revenues	874	1,023	1,761	1,887
Operating Segments [Member] | Transfer [Member]
Revenue from External Customer [Line Items]
Operating revenues	439	474	880	886
Operating Segments [Member] | Recycling [Member]
Revenue from External Customer [Line Items]
Operating revenues	275	264	529	555
Operating Segments [Member] | Other Revenue [Member]
Revenue from External Customer [Line Items]
Operating revenues	409	445	839	876
Intercompany Operating Revenues [Member]
Revenue from External Customer [Line Items]
Operating revenues	$ (761)	$ (833)	$ (1,562)	$ (1,590)