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Segment and Related Information (Tables) | 6 Months Ended
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Jun. 30, 2022
Segment and Related Information |
Reportable Segments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross | ​ | Intercompany | ​ | Net | ​ | Income
​ | ​ | Operating | ​ | Operating | ​ | Operating | ​ | from
​ |  | Revenues |  | Revenues(d) |  | Revenues |  | Operations(e)
Three Months Ended June 30: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
2022 |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Solid Waste: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
East Tier | ​ | $ | 2,609 | ​ | $ | (496) | ​ | $ | 2,113 | ​ | $ | 581
West Tier | ​ |  | 2,612 | ​ |  | (540) | ​ |  | 2,072 | ​ |  | 608
Solid Waste (a) | ​ |  | 5,221 | ​ |  | (1,036) | ​ |  | 4,185 | ​ |  | 1,189
Other (b) | ​ |  | 901 | ​ |  | (59) | ​ |  | 842 | ​ |  | 18
​ | ​ | ​ | 6,122 | ​ | ​ | (1,095) | ​ | ​ | 5,027 | ​ | ​ | 1,207
Corporate and Other (c) | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (317)
Total | ​ | $ | 6,122 | ​ | $ | (1,095) | ​ | $ | 5,027 | ​ | $ | 890
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2021 | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Solid Waste: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
East Tier | ​ | $ | 2,339 | ​ | $ | (439) | ​ | $ | 1,900 | ​ | $ | 512
West Tier | ​ |  | 2,367 | ​ |  | (488) | ​ |  | 1,879 | ​ |  | 553
Solid Waste (a) | ​ |  | 4,706 | ​ |  | (927) | ​ |  | 3,779 | ​ |  | 1,065
Other (b) | ​ |  | 729 | ​ |  | (32) | ​ |  | 697 | ​ |  | 6
​ | ​ |  | 5,435 | ​ |  | (959) | ​ |  | 4,476 | ​ |  | 1,071
Corporate and Other (c) | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (280)
Total | ​ | $ | 5,435 | ​ | $ | (959) | ​ | $ | 4,476 | ​ | $ | 791
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross | ​ | Intercompany | ​ | Net | ​ | Income
​ | ​ | Operating | ​ | Operating | ​ | Operating | ​ | from
​ |  | Revenues |  | Revenues(d) |  | Revenues |  | Operations(e)
Six Months Ended June 30: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2022 |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Solid Waste: |  | ​ |  |  | ​ | ​ |  | ​ |  |  | ​ |
East Tier | ​ | $ | 4,992 | ​ | $ | (941) | ​ | $ | 4,051 | ​ | $ | 1,112
West Tier | ​ |  | 5,018 | ​ |  | (1,030) | ​ |  | 3,988 | ​ |  | 1,157
Solid Waste (a) | ​ |  | 10,010 | ​ |  | (1,971) | ​ |  | 8,039 | ​ |  | 2,269
Other (b) | ​ |  | 1,758 | ​ |  | (109) | ​ |  | 1,649 | ​ |  | 19
​ | ​ | ​ | 11,768 | ​ | ​ | (2,080) | ​ | ​ | 9,688 | ​ | ​ | 2,288
Corporate and Other (c) | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (630)
Total | ​ | $ | 11,768 | ​ | $ | (2,080) | ​ | $ | 9,688 | ​ | $ | 1,658
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2021 | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Solid Waste: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
East Tier | ​ | $ | 4,467 | ​ | $ | (833) | ​ | $ | 3,634 | ​ | $ | 965
West Tier | ​ |  | 4,545 | ​ |  | (930) | ​ |  | 3,615 | ​ |  | 1,028
Solid Waste (a) | ​ |  | 9,012 | ​ |  | (1,763) | ​ |  | 7,249 | ​ |  | 1,993
Other (b) | ​ |  | 1,394 | ​ |  | (55) | ​ |  | 1,339 | ​ |  | 26
​ | ​ |  | 10,406 | ​ |  | (1,818) | ​ |  | 8,588 | ​ |  | 2,019
Corporate and Other (c) | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (578)
Total | ​ | $ | 10,406 | ​ | $ | (1,818) | ​ | $ | 8,588 | ​ | $ | 1,441
(a) | Income from operations provided by our Solid Waste business is generally indicative of the margins provided by our collection, landfill, transfer and recycling lines of business. From time to time, the operating results of our reportable segments are significantly affected by certain transactions or events that management believes are not indicative or representative of our results.
Income from operations in our Solid Waste business increased primarily due to revenue growth in our collection and disposal businesses driven by both yield and volume. These increases were partially offset by inflationary cost pressures and labor cost pressure from frontline employee wage adjustments, increased hiring driving up training costs and higher overtime due to driver shortages and volume growth.
(b) | “Other” includes (i) elements of our Strategic Business Solutions (“WMSBS”) business that are not included in the operations of our reportable segments; (ii) elements of our landfill gas-to-energy operations managed by our WM Renewable Energy business and not included in the operations of our reportable segments; (iii) elements of our third-party subcontract and administration revenues managed by our Sustainability and Environmental Solutions (“SES”) business and not included in the operations of our reportable segments; (iv) our recycling brokerage services; (v) certain other expanded service offerings and solutions and (vi) the results of non-operating entities that provide financial assurance and self-insurance support for our Solid Waste business, net of intercompany activity.
(c) | “Corporate and Other” operating results reflect certain costs incurred for various support services that are not allocated to our reportable segments. These support services include, among other things, treasury, legal, digital, tax, insurance, centralized service center processes, other administrative functions and the maintenance of our closed landfills. Income from operations for “Corporate and Other” also includes costs associated with our long-term incentive program.
The decrease in income from operations from our Corporate and Other segment was primarily driven by increased costs for (i) labor, particularly due to higher incentive compensation costs and merit increases; (ii) strategic investments in our digital platform and (iii) investments in our sustainability initiatives. The impact of these higher costs was partially offset by lower integration costs related to our acquisition of Advanced Disposal and the impact of adjustments from closure and post- closure activity at our closed landfills in the prior year periods.
(d) | 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.
(e) | In the fourth quarter of 2021, we discontinued certain allocations from our Corporate and Other segment to our Solid Waste operating segments and Other segment. Reclassifications have been made to our prior period information for comparability purposes.
Summary of operating revenues mix | The mix of operating revenues from our major lines of business are as follows (in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
​ |  | 2022 |  | 2021 |  | 2022 |  | 2021
Commercial | ​ | $ | 1,355 | ​ | $ | 1,178 | ​ | $ | 2,642 | ​ | $ | 2,309
Industrial | ​ |  | 942 | ​ |  | 811 | ​ |  | 1,778 | ​ |  | 1,554
Residential | ​ |  | 832 | ​ |  | 794 | ​ |  | 1,637 | ​ |  | 1,576
Other collection | ​ |  | 181 | ​ |  | 135 | ​ |  | 334 | ​ |  | 251
Total collection | ​ |  | 3,310 | ​ |  | 2,918 | ​ |  | 6,391 | ​ |  | 5,690
Landfill | ​ |  | 1,194 | ​ |  | 1,075 | ​ |  | 2,245 | ​ |  | 1,990
Transfer | ​ |  | 554 | ​ |  | 532 | ​ |  | 1,040 | ​ |  | 997
Recycling | ​ |  | 468 | ​ |  | 397 | ​ |  | 921 | ​ |  | 739
Other (a) | ​ |  | 596 | ​ |  | 513 | ​ |  | 1,171 | ​ |  | 990
Intercompany (b) | ​ |  | (1,095) | ​ |  | (959) | ​ |  | (2,080) | ​ |  | (1,818)
Total | ​ | $ | 5,027 | ​ | $ | 4,476 | ​ | $ | 9,688 | ​ | $ | 8,588
(a) | The “Other” line of business includes (i) certain services provided by our WMSBS business; (ii) our landfill gas to energy operations managed by our WM Renewable Energy business; (iii) certain services within our SES business, including our construction and remediation services and our services associated with the disposal of fly ash and (iv) certain other expanded service offerings and solutions. In addition, our “Other” line of business reflects the results of non-operating entities that provide financial assurance and self-insurance support for our Solid Waste business, net of intercompany activity. Revenue attributable to collection, landfill, transfer and recycling services provided by our “Other” businesses has been reflected as a component of the relevant line of business for purposes of presentation in this table.
(b) | Intercompany revenues between lines of business are eliminated in the Condensed Consolidated Financial Statements included within this report.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 + Details
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