XML 88 R58.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Income Taxes, Foreign Income Tax (Details) - country | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Foreign Tax Jurisdiction [Line Items] |  |  |
U.S. federal income tax rate | 21.00% | 21.00% | 21.00%
Number of countries in which the company has operations that constitute an income tax presence | 90 |  |
Threshold for foreign taxing jurisdiction to be considered very low rate (in hundredths) | 25.00% |  |
Number Of Countries in Which Company Operates Which Constitute Income Tax Presence Lower Than The Combined U.S. Federal and State Income Tax Rate | 70 |  |
HONG KONG [Member] |  |  |
Income Tax Foreign Tax Jurisdiction [Line Items] |  |  |
Foreign tax rate considered to be very low tax rates | 16.50% |  |
SINGAPORE [Member] |  |  |
Income Tax Foreign Tax Jurisdiction [Line Items] |  |  |
Foreign tax rate considered to be very low tax rates | 17.00% |  |
ISRAEL |  |  |
Income Tax Foreign Tax Jurisdiction [Line Items] |  |  |
Foreign tax rate considered to be very low tax rates | 23.00% |  |

X
- Definition The foreign entitys' statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems. + References No definition available. + Details
Name: | jll_EffectiveIncomeTaxRateReconciliationForeignStatutoryIncomeTaxRate
Namespace Prefix: | jll_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
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: | jll_IncomeTaxForeignTaxJurisdictionLineItems
Namespace Prefix: | jll_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The income tax rate threshold which is used to determine what constitutes a very low tax rate as attributable to foreign taxing entities. + References No definition available. + Details
Name: | jll_IncomeTaxRateThresholdDeterminingVeryLowRate
Namespace Prefix: | jll_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of countries in which the entity has substantial enough operations to constitute and income tax presence. + References No definition available. + Details
Name: | jll_NumberOfCountriesInWhichCompanyHasOperationsThatConstituteIncomeTaxPresence
Namespace Prefix: | jll_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Countries in Which Company Operates Which Constitute Income Tax Presence Lower Than The Combined U.S. Federal and State Income Tax Rate + References No definition available. + Details
Name: | jll_NumberOfCountriesInWhichCompanyOperatesWhichConstituteIncomeTaxPresenceLowerThanTheCombinedU.S.FederalAndStateIncomeTaxRate
Namespace Prefix: | jll_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.1.Q1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479360/740-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | jll_ForeignIncomeTaxAuthorityAxis=country_HK
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | jll_ForeignIncomeTaxAuthorityAxis=country_SG
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | jll_ForeignIncomeTaxAuthorityAxis=country_IL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |