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Segment and Related Information - Summary (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Segment Reporting Information [Line Items] |  |
Operating revenues | $ 3,511 | $ 3,440
Income from operations | 608 | 558
Operating Group Total [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 3,511 | 3,440
Income from operations | 755 | 718
Solid Waste [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 2,958 | 2,885
Income from operations | 778 | 750
Tier 1 [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 1,132 | 1,102
Income from operations | 365 | 366
Tier 2 [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 502 | 491
Income from operations | 122 | 116
Tier 3 [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 1,324 | 1,292
Income from operations | 291 | 268
Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 553 | 555
Income from operations | (23) | (32)
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 4,226 | 4,112
Operating Segments [Member] | Operating Group Total [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 4,226 | 4,112
Operating Segments [Member] | Solid Waste [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 3,619 | 3,509
Operating Segments [Member] | Tier 1 [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 1,373 | 1,340
Operating Segments [Member] | Tier 2 [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 613 | 592
Operating Segments [Member] | Tier 3 [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 1,633 | 1,577
Operating Segments [Member] | Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | 607 | 603
Intercompany Operating Revenues [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | (715) | (672)
Intercompany Operating Revenues [Member] | Operating Group Total [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | (715) | (672)
Intercompany Operating Revenues [Member] | Solid Waste [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | (661) | (624)
Intercompany Operating Revenues [Member] | Tier 1 [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | (241) | (238)
Intercompany Operating Revenues [Member] | Tier 2 [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | (111) | (101)
Intercompany Operating Revenues [Member] | Tier 3 [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | (309) | (285)
Intercompany Operating Revenues [Member] | Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating revenues | (54) | (48)
Corporate and Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Income from operations | $ (147) | $ (160)

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