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Retirement Plans and Postretirement Benefits - Schedule of Allocation of Plan Assets (Details) | Dec. 31, 2024
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Pendragon Group Pension Scheme | Credit |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 19.00%
Pendragon Group Pension Scheme | Diversified |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 5.00%
Pendragon Group Pension Scheme | Equities |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 5.00%
Pendragon Group Pension Scheme | Illiquids |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 10.00%
Pendragon Group Pension Scheme | Liability matching |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 57.00%
Pendragon Group Pension Scheme | Secure income |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 0.00%
Pendragon Group Pension Scheme | Special purpose investment vehicle |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 5.00%
Jardine Motors Group UK Pension Scheme | Credit |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 0.00%
Jardine Motors Group UK Pension Scheme | Diversified |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 54.00%
Jardine Motors Group UK Pension Scheme | Equities |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 0.00%
Jardine Motors Group UK Pension Scheme | Illiquids |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 0.00%
Jardine Motors Group UK Pension Scheme | Liability matching |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 38.00%
Jardine Motors Group UK Pension Scheme | Secure income |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 8.00%
Jardine Motors Group UK Pension Scheme | Special purpose investment vehicle |
Defined Benefit Plan, Plan Assets, Allocation [Line Items] |
Allocation target | 0.00%

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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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