Segment and Related Information - Reportable Segments (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Net operating revenues	$ 3,440	$ 3,176
Income from operations	558	508
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenues	4,112	3,782
Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Net operating revenues	(672)	(606)
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Income from operations	(160)	(143)
Solid Waste: Tier 1 [Member]
Segment Reporting Information [Line Items]
Net operating revenues	1,102	1,029
Income from operations	366	334
Solid Waste: Tier 1 [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenues	1,340	1,241
Solid Waste: Tier 1 [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Net operating revenues	(238)	(212)
Solid Waste: Tier 2 [Member]
Segment Reporting Information [Line Items]
Net operating revenues	689	639
Income from operations	157	145
Solid Waste: Tier 2 [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenues	842	781
Solid Waste: Tier 2 [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Net operating revenues	(153)	(142)
Solid Waste: Tier 3 [Member]
Segment Reporting Information [Line Items]
Net operating revenues	1,094	1,048
Income from operations	227	208
Solid Waste: Tier 3 [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenues	1,327	1,260
Solid Waste: Tier 3 [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Net operating revenues	(233)	(212)
Solid Waste [Member]
Segment Reporting Information [Line Items]
Net operating revenues	2,885	2,716
Income from operations	750	687
Solid Waste [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenues	3,509	3,282
Solid Waste [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Net operating revenues	(624)	(566)
Other [Member]
Segment Reporting Information [Line Items]
Net operating revenues	555	460
Income from operations	(32)	(36)
Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenues	603	500
Other [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Net operating revenues	(48)	(40)
Operating Group Total [Member]
Segment Reporting Information [Line Items]
Net operating revenues	3,440	3,176
Income from operations	718	651
Operating Group Total [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenues	4,112	3,782
Operating Group Total [Member] | Intercompany Operating Revenues [Member]
Segment Reporting Information [Line Items]
Net operating revenues	$ (672)	$ (606)