Segment and Related Information - Revenues mix (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue from External Customer [Line Items]
Operating revenues	$ 5,027	$ 4,476	$ 9,688	$ 8,588
Operating Segments [Member]
Revenue from External Customer [Line Items]
Operating revenues	6,122	5,435	11,768	10,406
Operating Segments [Member] | Collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	3,310	2,918	6,391	5,690
Operating Segments [Member] | Commercial [Member]
Revenue from External Customer [Line Items]
Operating revenues	1,355	1,178	2,642	2,309
Operating Segments [Member] | Industrial [Member]
Revenue from External Customer [Line Items]
Operating revenues	942	811	1,778	1,554
Operating Segments [Member] | Residential [Member]
Revenue from External Customer [Line Items]
Operating revenues	832	794	1,637	1,576
Operating Segments [Member] | Other Collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	181	135	334	251
Operating Segments [Member] | Landfill [Member]
Revenue from External Customer [Line Items]
Operating revenues	1,194	1,075	2,245	1,990
Operating Segments [Member] | Transfer [Member]
Revenue from External Customer [Line Items]
Operating revenues	554	532	1,040	997
Operating Segments [Member] | Recycling [Member]
Revenue from External Customer [Line Items]
Operating revenues	468	397	921	739
Operating Segments [Member] | Other Revenue [Member]
Revenue from External Customer [Line Items]
Operating revenues	596	513	1,171	990
Intercompany Operating Revenues [Member]
Revenue from External Customer [Line Items]
Operating revenues	$ (1,095)	$ (959)	$ (2,080)	$ (1,818)