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v3.20.4

Segment and Related Information - Summary (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | $ 15,218 | $ 15,455 | $ 14,914
Income from operations |  |  | 2,434 | 2,706 | 2,789
Depreciation and amortization |  |  | 1,671 | 1,574 | 1,477
Capital Expenditures |  |  | 1,585 | 1,815 | 1,671
Total Assets |  |  | 29,345 | 27,743 | 22,650
Asset impairments | $ 7 | $ 61 | 68 | 42 | 38
Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 18,478 | 18,704 | 18,024
Total Assets |  |  | 29,649 | 28,010 | 22,896
Intercompany Operating Revenues [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | (3,260) | (3,249) | (3,110)
Corporate and Other [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Income from operations |  |  | (1,023) | (906) | (677)
Depreciation and amortization |  |  | 45 | 36 | 30
Capital Expenditures |  |  | 508 | 407 | 200
Total Assets |  |  | 1,810 | 5,042 | 1,487
Elimination of Intercompany Investments and Advances [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total Assets |  |  | (304) | (267) | (246)
Operating Group Total [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 15,218 | 15,455 | 14,914
Operating Group Total [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 18,478 | 18,704 | 18,024
Income from operations |  |  | 3,457 | 3,612 | 3,466
Depreciation and amortization |  |  | 1,626 | 1,538 | 1,447
Capital Expenditures |  |  | 1,077 | 1,408 | 1,471
Total Assets |  |  | 27,839 | 22,968 | 21,409
Operating Group Total [Member] | Intercompany Operating Revenues [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | (3,260) | (3,249) | (3,110)
Solid Waste [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 12,954 | 13,260 | 12,622
Solid Waste [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 16,114 | 16,387 | 15,537
Income from operations |  |  | 3,495 | 3,773 | 3,495
Depreciation and amortization |  |  | 1,539 | 1,463 | 1,356
Capital Expenditures |  |  | 1,002 | 1,290 | 1,399
Total Assets |  |  | 25,775 | 21,320 | 19,838
Solid Waste [Member] | Intercompany Operating Revenues [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | (3,160) | (3,127) | (2,915)
Tier 1 [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 4,894 | 4,995 | 4,685
Asset impairments |  | $ 41 |  |  |
Tier 1 [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 6,052 | 6,136 | 5,730
Income from operations |  |  | 1,575 | 1,719 | 1,655
Depreciation and amortization |  |  | 603 | 551 | 493
Capital Expenditures |  |  | 392 | 508 | 584
Total Assets |  |  | 9,527 | 7,519 | 6,736
Tier 1 [Member] | Intercompany Operating Revenues [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | (1,158) | (1,141) | (1,045)
Tier 2 [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 3,012 | 3,088 | 2,951
Tier 2 [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 3,827 | 3,865 | 3,675
Income from operations |  |  | 849 | 881 | 812
Depreciation and amortization |  |  | 347 | 327 | 317
Capital Expenditures |  |  | 287 | 329 | 322
Total Assets |  |  | 6,244 | 5,558 | 5,224
Tier 2 [Member] | Intercompany Operating Revenues [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | (815) | (777) | (724)
Tier 3 [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 5,048 | 5,177 | 4,986
Tier 3 [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 6,235 | 6,386 | 6,132
Income from operations |  |  | 1,071 | 1,173 | 1,028
Depreciation and amortization |  |  | 589 | 585 | 546
Capital Expenditures |  |  | 323 | 453 | 493
Total Assets |  |  | 10,004 | 8,243 | 7,878
Tier 3 [Member] | Intercompany Operating Revenues [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | (1,187) | (1,209) | (1,146)
Other [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 2,264 | 2,195 | 2,292
Asset impairments |  |  | 16 |  |
Other [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | 2,364 | 2,317 | 2,487
Income from operations |  |  | (38) | (161) | (29)
Depreciation and amortization |  |  | 87 | 75 | 91
Capital Expenditures |  |  | 75 | 118 | 72
Total Assets |  |  | 2,064 | 1,648 | 1,571
Other [Member] | Intercompany Operating Revenues [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues |  |  | $ (100) | $ (122) | $ (195)

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