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Synthetic Lease Arrangements (Details) - Synthetic Lease Arrangements $ in Millions	Dec. 31, 2024 USD ($)
Classification [Line Items]
Synthetic Lease Aggregate Estimated Cost	$ 100
Aggregate future lease commitment	$ 35
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract	5 years
Residual Value of Leased Asset, Guarantee, Percentage	100.00%

X

- Definition

Classification [Line Items]

+ References

No definition available.

+ Details

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Namespace Prefix:	lkq_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Residual Value of Leased Asset, Guarantee, Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	lkq_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Synthetic Lease Aggregate Estimated Cost

+ References

No definition available.

+ Details

Name:	lkq_SyntheticLeaseAggregateEstimatedCost
Namespace Prefix:	lkq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: