XML 127 R112.htm IDEA: XBRL DOCUMENT
v3.20.4

Transformation Initiatives - Summary of Transformation Initiative Costs (Details) - Transformation Initiatives - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | $ 175,840 |  |
Employee separation benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 91,077 |  |
Lease termination costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 47,811 |  |
Professional fees and other |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 16,260 |  |
Depreciation expense |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 20,692 |  |
Subtotal |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 155,148 | $ 0 | $ 0
Advisory Services |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 128,171 |  |
Advisory Services | Employee separation benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 57,550 |  |
Advisory Services | Lease termination costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 43,225 |  |
Advisory Services | Professional fees and other |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 13,212 |  |
Advisory Services | Depreciation expense |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 14,184 |  |
Advisory Services | Subtotal |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 113,987 |  |
Global Workplace Solutions |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 38,345 |  |
Global Workplace Solutions | Employee separation benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 31,083 |  |
Global Workplace Solutions | Lease termination costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 4,586 |  |
Global Workplace Solutions | Professional fees and other |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 2,510 |  |
Global Workplace Solutions | Depreciation expense |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 166 |  |
Global Workplace Solutions | Subtotal |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 38,179 |  |
Real Estate Investments |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 9,324 |  |
Real Estate Investments | Employee separation benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 2,444 |  |
Real Estate Investments | Lease termination costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 0 |  |
Real Estate Investments | Professional fees and other |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 538 |  |
Real Estate Investments | Depreciation expense |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | 6,342 |  |
Real Estate Investments | Subtotal |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total transformation initiative costs | $ 2,982 |  |

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=cbre_TransformationInitiativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=cbre_LeaseTerminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=cbre_ProfessionalFeesAndOtherRestructuringExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=cbre_DepreciationExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=cbre_RestructuringChargesLessDepreciationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cbre_AdvisoryServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cbre_GlobalWorkplaceSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cbre_RealEstateInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |