| Schedule of disaggregation of revenue |
The following table disaggregates our revenue by service line for the years ended December 31 (in millions of dollars and as a percentage of revenue): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2023 | | 2022 | | 2021 | | Collection: | | | | | | | | | | | | | Residential | $ | 2,822.7 | | | 18.9 | % | | $ | 2,642.6 | | | 19.5 | % | | $ | 2,452.8 | | | 21.7 | % | | Small-container | 4,438.4 | | | 29.7 | | | 3,945.7 | | | 29.2 | | | 3,417.7 | | | 30.3 | | | Large-container | 2,922.4 | | | 19.5 | | | 2,701.1 | | | 20.0 | | | 2,355.6 | | | 20.8 | | | Other | 69.4 | | | 0.4 | | | 53.9 | | | 0.4 | | | 52.1 | | | 0.5 | | Total collection | 10,252.9 | | | 68.5 | | | 9,343.3 | | | 69.1 | | | 8,278.2 | | | 73.3 | | | Transfer | 1,699.1 | | | | | 1,574.5 | | | | | 1,490.0 | | | | | Less: intercompany | (933.7) | | | | | (849.8) | | | | | (814.4) | | | | | Transfer, net | 765.4 | | | 5.1 | | | 724.7 | | | 5.4 | | | 675.6 | | | 6.0 | | | Landfill | 2,885.4 | | | | | 2,681.7 | | | | | 2,516.6 | | | | | Less: intercompany | (1,206.0) | | | | | (1,131.9) | | | | | (1,092.8) | | | | | Landfill, net | 1,679.4 | | | 11.2 | | | 1,549.8 | | | 11.5 | | | 1,423.8 | | | 12.6 | | | Environmental solutions | 1,701.4 | | | | | 1,262.1 | | | | | 242.4 | | | | | Less: intercompany | (76.5) | | | | | (53.9) | | | | | (19.5) | | | | | Environmental solutions, net | 1,624.9 | | | 10.9 | | | 1,208.2 | | | 8.9 | | | 222.9 | | | 2.0 | | | Other: | | | | | | | | | | | | Recycling processing and commodity sales | 312.3 | | | 2.1 | | | 359.1 | | | 2.7 | | | 420.5 | | | 3.7 | | | Other non-core | 329.6 | | | 2.2 | | | 326.2 | | | 2.4 | | | 274.0 | | | 2.4 | | | Total other | 641.9 | | | 4.3 | | | 685.3 | | | 5.1 | | | 694.5 | | | 6.1 | | | Total revenue | $ | 14,964.5 | | | 100.0 | % | | $ | 13,511.3 | | | 100.0 | % | | $ | 11,295.0 | | | 100.0 | % |
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