Segment and Related Information - Summary (Detail) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) segment	Sep. 30, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of segments | segment			2
Operating revenues	$ 5,075	$ 4,665	$ 14,763	$ 13,253
Income from operations	942	806	2,600	2,247
Alternative fuel tax credits			26
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating revenues	6,184	5,643	17,952	16,049
Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Operating revenues	(1,109)	(978)	(3,189)	(2,796)
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Income from operations	(296)	(302)	(926)	(880)
Operating Group Total [Member]
Segment Reporting Information [Line Items]
Operating revenues	5,075	4,665	14,763	13,253
Income from operations	1,238	1,108	3,526	3,127
Operating Group Total [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating revenues	6,184	5,643	17,952	16,049
Operating Group Total [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Operating revenues	(1,109)	(978)	(3,189)	(2,796)
Solid Waste [Member]
Segment Reporting Information [Line Items]
Operating revenues	4,221	3,886	12,260	11,135
Income from operations	1,238	1,098	3,507	3,091
Solid Waste [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating revenues	5,272	4,836	15,282	13,848
Solid Waste [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Operating revenues	(1,051)	(950)	(3,022)	(2,713)
East Tier [Member]
Segment Reporting Information [Line Items]
Operating revenues	2,144	1,951	6,195	5,585
Income from operations	616	550	1,728	1,514
East Tier [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating revenues	2,652	2,407	7,644	6,874
East Tier [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Operating revenues	(508)	(456)	(1,449)	(1,289)
West Tier [Member]
Segment Reporting Information [Line Items]
Operating revenues	2,077	1,935	6,065	5,550
Income from operations	622	548	1,779	1,577
West Tier [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating revenues	2,620	2,429	7,638	6,974
West Tier [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Operating revenues	(543)	(494)	(1,573)	(1,424)
Other [Member]
Segment Reporting Information [Line Items]
Operating revenues	854	779	2,503	2,118
Income from operations		10	19	36
Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating revenues	912	807	2,670	2,201
Other [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Operating revenues	$ (58)	$ (28)	$ (167)	$ (83)