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Restructuring and Transaction Related Expenses (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | $ 146 | $ 48 | $ 15
Transaction Related Expenses | $ 4 | 21 | 5
Mekonomen [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Equity Method Investment, Ownership Percentage | 26.60% |  |
2024 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | $ 111 | 0 | 0
Restructuring and Related Cost, Cost Incurred to Date | 111 |  |
2024 Global Restructuring | Employee related costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 35 | 0 | 0
2024 Global Restructuring | Facility Closing |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 7 | 0 | 0
2024 Global Restructuring | Inventory Related Costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 13 | 0 | 0
2024 Global Restructuring | Asset Impairments |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 49 | 0 | 0
2024 Global Restructuring | Other Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 7 | 0 | 0
2024 Global Restructuring | Maximum |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Expected Cost | 150 |  |
2024 Global Restructuring | Minimum [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Expected Cost | 130 |  |
2022 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 5 | 15 | 10
Restructuring and Related Cost, Cost Incurred to Date | 30 |  |
2022 Global Restructuring | Employee related costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 2 | 4 | 6
2022 Global Restructuring | Facility Closing |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 3 | 7 | 1
2022 Global Restructuring | Inventory Related Costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 0 | 2 | 0
2022 Global Restructuring | Other Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 0 | 2 | 3
2019/2020 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 0 | 1 | 1
2019/2020 Global Restructuring | Facility Closing |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 0 | 1 | 1
1 LKQ Europe Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 5 | 3 | 1
Restructuring and Related Cost, Cost Incurred to Date | 15 |  |
1 LKQ Europe Plan | Employee related costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 2 | 1 | 1
1 LKQ Europe Plan | Facility Closing |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 1 | 0 | 0
1 LKQ Europe Plan | Inventory Related Costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 2 | 2 | 0
1 LKQ Europe Plan | Maximum |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Expected Cost | 40 |  |
1 LKQ Europe Plan | Minimum [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Expected Cost | 30 |  |
Acquisition integration plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 25 | 29 | 3
Acquisition integration plans | Employee related costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 4 | 23 | 2
Acquisition integration plans | Facility Closing |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 16 | 5 | 1
Acquisition integration plans | Other Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Costs | 5 | $ 1 | $ 0
Wholesale - North America Segment | 2024 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 15 |  |
Wholesale - North America Segment | 2022 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 2 |  |
Wholesale - North America Segment | 1 LKQ Europe Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 0 |  |
Europe | 2024 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 96 |  |
Europe | 2022 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 20 |  |
Europe | 1 LKQ Europe Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 15 |  |
Specialty [Member] | 2024 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 0 |  |
Specialty [Member] | 2022 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 4 |  |
Specialty [Member] | 1 LKQ Europe Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 0 |  |
Self Service Segment | 2024 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 0 |  |
Self Service Segment | 2022 Global Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | 4 |  |
Self Service Segment | 1 LKQ Europe Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | $ 0 |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479405/805-10-25-23 + Details
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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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