Revenue from External Customers by Geographic Areas (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue from External Customer [Line Items]
Revenue	$ 3,499	$ 3,453	$ 10,339	$ 10,597
UNITED STATES
Revenue from External Customer [Line Items]
Revenue	1,583	1,548	4,728	4,842
GERMANY
Revenue from External Customer [Line Items]
Revenue	474	444	1,367	1,314
UNITED KINGDOM
Revenue from External Customer [Line Items]
Revenue	432	430	1,267	1,298
Other countries
Revenue from External Customer [Line Items]
Revenue	$ 1,010	$ 1,031	$ 2,977	$ 3,143

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details

LKQ CORP 10-Q