XML 34 R37.htm IDEA: XBRL DOCUMENT
v3.19.3

Warehouse Receivables & Warehouse Lines of Credit - Additional Information (Detail) |  | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) | Sep. 30, 2019 USD ($)
Warehouse Receivables And Warehouse Lines Of Credit [Line Items] |  |
Proceeds from warehouse lines of credit | $ 376,700,000 |
Advance warehouse funding | $ 376,707,000 | $ 376,707,000
Warehouse Agreement Borrowings [Member] |  |
Warehouse Receivables And Warehouse Lines Of Credit [Line Items] |  |
Period of repayment for warehouse lines of credit |  | 1 month
Lines of credit principal outstanding |  | $ 2,500,000,000

X
- Definition Advance warehouse funding current. + References No definition available. + Details
Name: | cbre_AdvanceWarehouseFundingCurrent
Namespace Prefix: | cbre_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Period of repayment for warehouse lines of credit. + References No definition available. + Details
Name: | cbre_PeriodOfRepaymentForWarehouseLinesOfCredit
Namespace Prefix: | cbre_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proceeds from warehouse lines of credit. + References No definition available. + Details
Name: | cbre_ProceedsFromWarehouseLinesOfCredit
Namespace Prefix: | cbre_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Warehouse receivables and warehouse lines of credit. + References No definition available. + Details
Name: | cbre_WarehouseReceivablesAndWarehouseLinesOfCreditLineItems
Namespace Prefix: | cbre_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, the maximum amount borrowed at any time during the period. + References No definition available. + Details
Name: | us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_WarehouseAgreementBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |