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Segment and Related Information - Revenues mix (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue from External Customer [Line Items]
Operating revenues	$ 3,822	$ 3,716	$ 11,072	$ 10,833
Operating Segments [Member]
Revenue from External Customer [Line Items]
Operating revenues	4,624	4,465	13,387	12,993
Operating Segments [Member] | Collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	2,486	2,351	7,234	6,912
Operating Segments [Member] | Commercial [Member]
Revenue from External Customer [Line Items]
Operating revenues	1,007	936	2,948	2,764
Operating Segments [Member] | Residential [Member]
Revenue from External Customer [Line Items]
Operating revenues	639	635	1,885	1,888
Operating Segments [Member] | Industrial [Member]
Revenue from External Customer [Line Items]
Operating revenues	723	673	2,068	1,930
Operating Segments [Member] | Other Collection [Member]
Revenue from External Customer [Line Items]
Operating revenues	117	107	333	330
Operating Segments [Member] | Landfill [Member]
Revenue from External Customer [Line Items]
Operating revenues	926	884	2,646	2,487
Operating Segments [Member] | Transfer [Member]
Revenue from External Customer [Line Items]
Operating revenues	445	412	1,257	1,192
Operating Segments [Member] | Recycling [Member]
Revenue from External Customer [Line Items]
Operating revenues	337	375	954	1,122
Operating Segments [Member] | Other Revenue [Member]
Revenue from External Customer [Line Items]
Operating revenues	430	443	1,296	1,280
Intercompany Operating Revenues [Member]
Revenue from External Customer [Line Items]
Operating revenues	$ (802)	$ (749)	$ (2,315)	$ (2,160)

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 32
-Paragraph 2A
-URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045

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