XML 91 R57.htm IDEA: XBRL DOCUMENT
v3.22.4

Income Taxes, Valuation Allowance (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($)
Deferred Tax Assets Operating Loss Carryforwards Utilized or Expired [Member] |
Valuation Allowance [Line Items] |
Changes in valuation allowances for deferred tax assets | $ 20.1
Deferred Tax Assets Operating Loss Carryforwards Established or Continued [Member] |
Valuation Allowance [Line Items] |
Changes in valuation allowances for deferred tax assets | $ 17.0

X
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
Name: | us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_ValuationAllowanceLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=jll_DeferredTaxAssetsOperatingLossCarryforwardsUtilizedOrExpiredMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=jll_DeferredTaxAssetsOperatingLossCarryforwardsEstablishedOrContinuedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |