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v3.23.1

Revenue from Contracts with Customers - Disaggregation of Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | $ 7,302,479 | $ 7,168,411
Total Out of Scope of Topic 606 Revenue | 108,635 | 164,522
Total Revenue | 7,411,114 | 7,332,933
Corporate, other and eliminations |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | (4,322) | (4,888)
Total Out of Scope of Topic 606 Revenue | 0 | 0
Total Revenue | (4,322) | (4,888)
Advisory Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 1,747,332 | 2,117,461
Total Out of Scope of Topic 606 Revenue | 106,536 | 130,987
Total Revenue | 1,853,868 | 2,248,448
Global Workplace Solutions | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 5,337,722 | 4,805,616
Total Out of Scope of Topic 606 Revenue | 0 | 0
Total Revenue | 5,337,722 | 4,805,616
Real Estate Investments | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 221,747 | 250,222
Total Out of Scope of Topic 606 Revenue | 2,099 | 33,535
Total Revenue | 223,846 | 283,757
Facilities management |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 3,680,162 | 3,800,688
Facilities management | Global Workplace Solutions | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 3,680,162 | 3,800,688
Project management |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 1,657,560 | 1,004,928
Project management | Global Workplace Solutions | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 1,657,560 | 1,004,928
Advisory leasing |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 708,654 | 772,722
Advisory leasing | Advisory Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 708,654 | 772,722
Advisory sales |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 367,404 | 619,827
Advisory sales | Advisory Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 367,404 | 619,827
Property management |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 459,452 | 450,984
Property management | Corporate, other and eliminations |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | (4,322) | (4,888)
Property management | Advisory Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 463,774 | 455,872
Valuation |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 165,612 | 181,142
Valuation | Advisory Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 165,612 | 181,142
Commercial mortgage origination |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 24,363 | 73,890
Total Out of Scope of Topic 606 Revenue | 46,577 | 70,980
Commercial mortgage origination | Advisory Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 24,363 | 73,890
Total Out of Scope of Topic 606 Revenue | 46,577 | 70,980
Loan servicing |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 17,525 | 14,008
Total Out of Scope of Topic 606 Revenue | 59,959 | 60,007
Loan servicing | Advisory Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 17,525 | 14,008
Total Out of Scope of Topic 606 Revenue | 59,959 | 60,007
Investment management |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 147,490 | 150,567
Investment management | Real Estate Investments | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 147,490 | 150,567
Development services |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 74,257 | 99,655
Total Out of Scope of Topic 606 Revenue | 2,099 | 33,535
Development services | Real Estate Investments | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Topic 606 Revenue | 74,257 | 99,655
Total Out of Scope of Topic 606 Revenue | $ 2,099 | $ 33,535

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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