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Segment and Related Information (Tables) | 12 Months Ended
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Dec. 31, 2023
Segment and Related Information |
Reportable Segments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross | ​ | Intercompany | ​ | Net | ​ | Income |  | Depreciation, |  | Capital
​ | ​ | Operating | ​ | Operating | ​ | Operating | ​ | from |  | Depletion and |  | Expenditures
​ |  | Revenues |  | Revenues(b) |  | Revenues |  | Operations(c) |  | Amortization |  | (d)
Year Ended December 31: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2023 |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ |  | ​ | ​ |
Collection and Disposal: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ |  | ​ | ​ |
East Tier | ​ | $ | 10,575 | ​ | $ | (2,163) | ​ | $ | 8,412 | ​ | $ | 2,446 | ​ | $ | 986 | ​ | $ | 926
West Tier | ​ |  | 9,987 | ​ |  | (2,052) | ​ |  | 7,935 | ​ |  | 2,383 | ​ |  | 800 | ​ |  | 899
Other Ancillary | ​ |  | 2,711 | ​ |  | (193) | ​ |  | 2,518 | ​ |  | (8) | ​ |  | 26 | ​ |  | 28
Collection and Disposal | ​ |  | 23,273 | ​ |  | (4,408) | ​ |  | 18,865 | ​ |  | 4,821 | ​ |  | 1,812 | ​ |  | 1,853
Recycling Processing and Sales (a) | ​ |  | 1,576 | ​ |  | (312) | ​ |  | 1,264 | ​ |  | (44) | ​ |  | 110 | ​ |  | 450
WM Renewable Energy | ​ | ​ | 276 | ​ | ​ | (3) | ​ | ​ | 273 | ​ | ​ | 79 | ​ | ​ | 33 | ​ | ​ | 420
Corporate and Other | ​ |  | 51 | ​ |  | (27) | ​ |  | 24 | ​ |  | (1,281) | ​ |  | 116 | ​ |  | 115
Total | ​ | $ | 25,176 | ​ | $ | (4,750) | ​ | $ | 20,426 | ​ | $ | 3,575 | ​ | $ | 2,071 | ​ | $ | 2,838
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2022 | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Collection and Disposal: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
East Tier | ​ | $ | 9,940 | ​ | $ | (1,929) | ​ | $ | 8,011 | ​ | $ | 2,178 | ​ | $ | 977 | ​ | $ | 948
West Tier | ​ |  | 9,540 | ​ |  | (1,926) | ​ |  | 7,614 | ​ |  | 2,182 | ​ |  | 814 | ​ |  | 774
Other Ancillary | ​ |  | 2,413 | ​ |  | (195) | ​ |  | 2,218 | ​ |  | — | ​ |  | 25 | ​ |  | 40
Collection and Disposal | ​ |  | 21,893 | ​ |  | (4,050) | ​ |  | 17,843 | ​ |  | 4,360 | ​ |  | 1,816 | ​ |  | 1,762
Recycling Processing and Sales | ​ |  | 1,760 | ​ |  | (244) | ​ |  | 1,516 | ​ |  | 128 | ​ |  | 92 | ​ |  | 453
WM Renewable Energy | ​ | ​ | 315 | ​ | ​ | (3) | ​ | ​ | 312 | ​ | ​ | 132 | ​ | ​ | 33 | ​ | ​ | 290
Corporate and Other | ​ |  | 50 | ​ |  | (23) | ​ |  | 27 | ​ |  | (1,255) | ​ |  | 97 | ​ |  | 304
Total | ​ | $ | 24,018 | ​ | $ | (4,320) | ​ | $ | 19,698 | ​ | $ | 3,365 | ​ | $ | 2,038 | ​ | $ | 2,809
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2021 | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Collection and Disposal: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
East Tier | ​ | $ | 8,922 | ​ | $ | (1,700) | ​ | $ | 7,222 | ​ | $ | 1,955 | ​ | $ | 945 | ​ | $ | 598
West Tier | ​ |  | 8,703 | ​ |  | (1,716) | ​ |  | 6,987 | ​ |  | 1,939 | ​ |  | 821 | ​ |  | 469
Other Ancillary | ​ |  | 2,041 | ​ |  | (151) | ​ |  | 1,890 | ​ |  | (18) | ​ |  | 27 | ​ |  | 50
Collection and Disposal | ​ |  | 19,666 | ​ |  | (3,567) | ​ |  | 16,099 | ​ |  | 3,876 | ​ |  | 1,793 | ​ |  | 1,117
Recycling Processing and Sales | ​ |  | 1,760 | ​ |  | (232) | ​ |  | 1,528 | ​ |  | 217 | ​ |  | 93 | ​ |  | 221
WM Renewable Energy | ​ | ​ | 220 | ​ | ​ | 56 | ​ | ​ | 276 | ​ | ​ | 108 | ​ | ​ | 35 | ​ | ​ | 116
Corporate and Other | ​ |  | 47 | ​ |  | (19) | ​ |  | 28 | ​ |  | (1,236) | ​ |  | 78 | ​ |  | 585
Total | ​ | $ | 21,693 | ​ | $ | (3,762) | ​ | $ | 17,931 | ​ | $ | 2,965 | ​ | $ | 1,999 | ​ | $ | 2,039
(a) | Included within income from operations for our Recycling Processing and Sales segment is a $168 million goodwill impairment charge related to a business engaged in accelerating film and plastic wrap recycling capabilities, which was partially offset by the recognition of $46 million of income related to the reversal of a liability for contingent consideration associated with our investment in such business.
(b) | Intercompany operating revenues reflect each segment’s total intercompany sales, including intercompany sales within a segment and between segments. Transactions within and between segments are generally made on a basis intended to reflect the market value of the service.
(c) | For those items included in the determination of income from operations, the accounting policies of the segments are the same as those described in Note 2.
(d) | Includes non-cash items. Capital expenditures and are reported in our reportable segments at the time they are recorded within the segments’ property and equipment balances and, therefore, include timing differences for amounts accrued but not yet paid.
Schedule of total assets for segments | Total assets by reportable segment as of December 31 are as follows (in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022
Collection and Disposal: | ​ | ​ | ​ | ​ | ​ | ​
East Tier | ​ | $ | 14,328 | ​ | $ | 14,194
West Tier | ​ | ​ | 11,322 | ​ | ​ | 11,134
Other Ancillary | ​ | ​ | 783 | ​ | ​ | 686
Collection and Disposal | ​ | ​ | 26,433 | ​ | ​ | 26,014
Recycling Processing and Sales | ​ |  | 2,282 | ​ |  | 1,918
WM Renewable Energy | ​ |  | 1,077 | ​ |  | 693
Corporate and Other | ​ | ​ | 3,392 | ​ | ​ | 3,052
Elimination of intercompany investments and advances | ​ | ​ | (361) | ​ | ​ | (310)
Total assets, per Consolidated Balance Sheet | ​ | $ | 32,823 | ​ | $ | 31,367
Summary of operating revenues mix | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross | ​ | Intercompany | ​ | Net
​ |  | Operating | ​ | Operating | ​ | Operating
​ | ​ | Revenues |  | Revenues |  | Revenues
Years Ended December 31: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2023 |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial |  | $ | 5,801 | ​ | $ | (692) | ​ | $ | 5,109
Industrial | ​ |  | 3,836 | ​ | ​ | (753) | ​ |  | 3,083
Residential | ​ | ​ | 3,474 | ​ | ​ | (96) | ​ | ​ | 3,378
Other collection | ​ |  | 3,006 | ​ |  | (220) | ​ |  | 2,786
Total collection | ​ |  | 16,117 | ​ |  | (1,761) | ​ |  | 14,356
Landfill | ​ | ​ | 4,863 | ​ | ​ | (1,611) | ​ | ​ | 3,252
Transfer | ​ | ​ | 2,293 | ​ | ​ | (1,036) | ​ | ​ | 1,257
Total Collection and Disposal | ​ |  | 23,273 | ​ |  | (4,408) | ​ |  | 18,865
Recycling Processing and Sales | ​ |  | 1,576 | ​ |  | (312) | ​ |  | 1,264
WM Renewable Energy | ​ |  | 276 | ​ |  | (3) | ​ |  | 273
Corporate and Other | ​ | ​ | 51 | ​ | ​ | (27) | ​ | ​ | 24
Total | ​ | $ | 25,176 | ​ | $ | (4,750) | ​ | $ | 20,426
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial |  | $ | 5,450 | ​ | $ | (590) | ​ | $ | 4,860
Industrial | ​ |  | 3,681 | ​ | ​ | (656) | ​ |  | 3,025
Residential | ​ | ​ | 3,339 | ​ | ​ | (75) | ​ | ​ | 3,264
Other collection | ​ |  | 2,683 | ​ |  | (217) | ​ |  | 2,466
Total collection | ​ |  | 15,153 | ​ |  | (1,538) | ​ |  | 13,615
Landfill | ​ | ​ | 4,597 | ​ | ​ | (1,535) | ​ | ​ | 3,062
Transfer | ​ | ​ | 2,143 | ​ | ​ | (977) | ​ | ​ | 1,166
Total Collection and Disposal | ​ |  | 21,893 | ​ |  | (4,050) | ​ |  | 17,843
Recycling Processing and Sales | ​ |  | 1,760 | ​ |  | (244) | ​ |  | 1,516
WM Renewable Energy | ​ |  | 315 | ​ |  | (3) | ​ |  | 312
Corporate and Other | ​ | ​ | 50 | ​ | ​ | (23) | ​ | ​ | 27
Total | ​ | $ | 24,018 | ​ | $ | (4,320) | ​ | $ | 19,698
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial |  | $ | 4,759 | ​ | $ | (476) | ​ | $ | 4,283
Industrial | ​ |  | 3,210 | ​ | ​ | (524) | ​ |  | 2,686
Residential | ​ | ​ | 3,181 | ​ | ​ | (36) | ​ | ​ | 3,145
Other collection | ​ |  | 2,309 | ​ |  | (179) | ​ |  | 2,130
Total collection | ​ |  | 13,459 | ​ |  | (1,215) | ​ |  | 12,244
Landfill | ​ | ​ | 4,184 | ​ | ​ | (1,434) | ​ | ​ | 2,750
Transfer | ​ | ​ | 2,023 | ​ | ​ | (918) | ​ | ​ | 1,105
Total Collection and Disposal | ​ |  | 19,666 | ​ |  | (3,567) | ​ |  | 16,099
Recycling Processing and Sales | ​ |  | 1,760 | ​ |  | (232) | ​ |  | 1,528
WM Renewable Energy | ​ |  | 220 | ​ |  | 56 | ​ |  | 276
Corporate and Other | ​ | ​ | 47 | ​ | ​ | (19) | ​ | ​ | 28
Total | ​ | $ | 21,693 | ​ | $ | (3,762) | ​ | $ | 17,931
Summary of net revenue by geographic area | Net operating revenues relating to operations for the year ended December 31 are as follows (in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022 |  | 2021
U.S. | ​ | $ | 19,595 | ​ | $ | 18,860 | ​ | $ | 17,136
Canada | ​ |  | 813 | ​ |  | 838 | ​ |  | 795
Other (a) | ​ |  | 18 | ​ |  | — | ​ |  | —
Total | ​ | $ | 20,426 | ​ | $ | 19,698 | ​ | $ | 17,931
(a) | Primarily related to recently acquired smaller recycling-related operations in the Netherlands.
Summary of property by geographic area | Property and equipment, net of accumulated depreciation and depletion, relating to operations as of December 31 are as follows (in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022
U.S. | ​ | $ | 15,903 | ​ | $ | 14,721
Canada | ​ | ​ | 1,060 | ​ | ​ | 994
Other | ​ |  | 5 | ​ |  | 4
Total | ​ | $ | 16,968 | ​ | $ | 15,719
​

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