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v3.23.3

Revenue from Contracts with Customers - Disaggregation of Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | $ 7,729,834 | $ 7,378,494 | $ 22,631,803 | $ 22,151,396
Total Out of Scope of Topic 606 Revenue | 138,212 | 151,052 | 367,222 | 482,361
Total Revenue | 7,868,046 | 7,529,546 | 22,999,025 | 22,633,757
Corporate, other and eliminations |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | (3,849) | (5,732) | (11,700) | (12,751)
Total Out of Scope of Topic 606 Revenue | 0 | 0 | 0 | 0
Total Revenue | (3,849) | (5,732) | (11,700) | (12,751)
Advisory Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 1,881,724 | 2,298,650 | 5,551,831 | 6,854,196
Total Out of Scope of Topic 606 Revenue | 131,109 | 135,151 | 356,544 | 416,036
Total Revenue | 2,012,833 | 2,433,801 | 5,908,375 | 7,270,232
Global Workplace Solutions | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 5,648,687 | 4,843,739 | 16,412,471 | 14,557,500
Total Out of Scope of Topic 606 Revenue | 0 | 0 | 0 | 0
Total Revenue | 5,648,687 | 4,843,739 | 16,412,471 | 14,557,500
Real Estate Investments | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 203,272 | 241,837 | 679,201 | 752,451
Total Out of Scope of Topic 606 Revenue | 7,103 | 15,901 | 10,678 | 66,325
Total Revenue | 210,375 | 257,738 | 689,879 | 818,776
Facilities management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 3,843,347 | 3,671,930 | 11,210,057 | 11,292,738
Facilities management | Global Workplace Solutions | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 3,843,347 | 3,671,930 | 11,210,057 | 11,292,738
Project management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 1,805,340 | 1,171,809 | 5,202,414 | 3,264,762
Project management | Global Workplace Solutions | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 1,805,340 | 1,171,809 | 5,202,414 | 3,264,762
Advisory leasing |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 827,498 | 989,615 | 2,350,103 | 2,732,045
Advisory leasing | Advisory Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 827,498 | 989,615 | 2,350,103 | 2,732,045
Advisory sales |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 369,819 | 600,527 | 1,134,971 | 1,936,073
Advisory sales | Advisory Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 369,819 | 600,527 | 1,134,971 | 1,936,073
Property management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 461,109 | 452,560 | 1,397,657 | 1,362,405
Property management | Corporate, other and eliminations |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | (3,849) | (5,732) | (11,700) | (12,751)
Property management | Advisory Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 464,958 | 458,292 | 1,409,357 | 1,375,156
Valuation |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 163,101 | 177,198 | 508,433 | 554,879
Valuation | Advisory Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 163,101 | 177,198 | 508,433 | 554,879
Commercial mortgage origination |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 36,903 | 59,149 | 93,861 | 214,333
Total Out of Scope of Topic 606 Revenue | 69,882 | 71,276 | 174,149 | 221,345
Commercial mortgage origination | Advisory Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 36,903 | 59,149 | 93,861 | 214,333
Total Out of Scope of Topic 606 Revenue | 69,882 | 71,276 | 174,149 | 221,345
Loan servicing |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 19,445 | 13,869 | 55,106 | 41,710
Total Out of Scope of Topic 606 Revenue | 61,227 | 63,875 | 182,395 | 194,691
Loan servicing | Advisory Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 19,445 | 13,869 | 55,106 | 41,710
Total Out of Scope of Topic 606 Revenue | 61,227 | 63,875 | 182,395 | 194,691
Investment management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 136,797 | 146,695 | 435,614 | 454,816
Investment management | Real Estate Investments | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 136,797 | 146,695 | 435,614 | 454,816
Development services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 66,475 | 95,142 | 243,587 | 297,635
Total Out of Scope of Topic 606 Revenue | 7,103 | 15,901 | 10,678 | 66,325
Development services | Real Estate Investments | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 66,475 | 95,142 | 243,587 | 297,635
Total Out of Scope of Topic 606 Revenue | $ 7,103 | $ 15,901 | $ 10,678 | $ 66,325

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