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v3.19.1

Segment and Related Information (Tables) | 3 Months Ended
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Mar. 31, 2019
Segment and Related Information |
Reportable Segments | Summarized financial information concerning our reportable segments for the three months ended March 31 is shown in the following table (in millions):
|  | Gross |  | Intercompany |  | Net |  | Income
|  | Operating |  | Operating |  | Operating |  | from
|  | Revenues |  | Revenues |  | Revenues |  | Operations
2019 |  |  |  |  |  |  |  |  |  |  |  |
Solid Waste: |  |  |  |  |  |  |  |  |  |  |  |
Tier 1 |  | $ | 1,486 |  | $ | (271) |  | $ | 1,215 |  | $ | 394
Tier 2 |  |  | 643 |  |  | (121) |  |  | 522 |  |  | 136
Tier 3 |  |  | 1,736 |  |  | (334) |  |  | 1,402 |  |  | 313
Solid Waste |  |  | 3,865 |  |  | (726) |  |  | 3,139 |  |  | 843
Other (a) |  |  | 588 |  |  | (31) |  |  | 557 |  |  | (28)
|  |  | 4,453 |  |  | (757) |  |  | 3,696 |  |  | 815
Corporate and Other |  |  | — |  |  | — |  |  | — |  |  | (194)
Total |  | $ | 4,453 |  | $ | (757) |  | $ | 3,696 |  | $ | 621
2018 |  |  |  |  |  |  |  |  |  |  |  |
Solid Waste: |  |  |  |  |  |  |  |  |  |  |  |
Tier 1 |  | $ | 1,373 |  | $ | (241) |  | $ | 1,132 |  | $ | 365
Tier 2 |  |  | 613 |  |  | (111) |  |  | 502 |  |  | 122
Tier 3 |  |  | 1,633 |  |  | (309) |  |  | 1,324 |  |  | 291
Solid Waste |  |  | 3,619 |  |  | (661) |  |  | 2,958 |  |  | 778
Other (a) |  |  | 607 |  |  | (54) |  |  | 553 |  |  | (23)
|  |  | 4,226 |  |  | (715) |  |  | 3,511 |  |  | 755
Corporate and Other |  |  | — |  |  | — |  |  | — |  |  | (147)
Total |  | $ | 4,226 |  | $ | (715) |  | $ | 3,511 |  | $ | 608
(a)“Other” includes (i) our Strategic Business Solutions (“WMSBS”) organization; (ii) those elements of our landfill gas-to-energy operations and third-party subcontract and administration revenues managed by our Energy and Environmental Services (“EES”) and WM Renewable Energy organizations that are not included in the operations of our reportable segments; (iii) our recycling brokerage services and (iv) certain other expanded service offerings and solutions. In addition, our “Other” segment reflects the results of non-operating entities that provide financial assurance and self-insurance support for our Solid Waste business, net of intercompany activity.
Summary of operating revenues mix | The mix of operating revenues from our major lines of business for the three months ended March 31 are as follows (in millions):
|  | 2019 |  | 2018
Commercial |  | $ | 1,026 |  | $ | 955
Residential |  |  | 640 |  |  | 614
Industrial |  |  | 680 |  |  | 637
Other |  |  | 109 |  |  | 101
Total collection |  |  | 2,455 |  |  | 2,307
Landfill |  |  | 864 |  |  | 805
Transfer |  |  | 412 |  |  | 375
Recycling |  |  | 291 |  |  | 312
Other (a) |  |  | 431 |  |  | 427
Intercompany (b) |  |  | (757) |  |  | (715)
Total |  | $ | 3,696 |  | $ | 3,511
| (a) |  | The “Other” line of business includes (i) our WMSBS organization; (ii) our landfill gas-to-energy operations; (iii) certain services within our EES organization, 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.
| (b) |  | Intercompany revenues between lines of business are eliminated in the Condensed Consolidated Financial Statements included within this report.

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