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Restructuring and Acquisition Related Expenses - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Acquisition Related Expenses [Abstract] |  |  |
Business Combination, Acquisition Related Costs | $ 2 | $ 18 | $ 15
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Restructuring Costs | 18 | 14 | 5
Stahlgruber [Member] |  |  |
Acquisition Related Expenses [Abstract] |  |  |
Business Combination, Acquisition Related Costs |  |  | 4
Andrew Page |  |  |
Acquisition Related Expenses [Abstract] |  |  |
Business Combination, Acquisition Related Costs |  |  | $ 5
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Restructuring Costs | 14 | 10 |
Maximum [Member] |  |  |
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Expected future restructuring expenses | (5) |  |
Specialty |  |  |
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Restructuring Costs |  | $ 3 |
1 LKQ Europe Program [Member] | Minimum [Member] |  |  |
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Expected future restructuring expenses | (45) |  |
1 LKQ Europe Program [Member] | Maximum [Member] |  |  |
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Expected future restructuring expenses | (55) |  |
2019 Global Restructuring Program [Member] |  |  |
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Restructuring Costs | 37 |  |
2019 Global Restructuring Program [Member] | Minimum [Member] |  |  |
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Expected future restructuring expenses | (5) |  |
2019 Global Restructuring Program [Member] | Maximum [Member] |  |  |
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Expected future restructuring expenses | (10) |  |
Cost of Sales [Member] | Andrew Page |  |  |
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Restructuring Costs | 4 |  |
Cost of Sales [Member] | 2019 Global Restructuring Program [Member] |  |  |
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Restructuring Costs | 17 |  |
Restructuring Charges And Business Combination Acquisition Related Costs [Member] | 2019 Global Restructuring Program [Member] |  |  |
Acquisition And Restructuring Integration Plans [Abstract] |  |  |
Restructuring Costs | $ 20 |  |

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- Definition Acquisition And Restructuring Integration Plans [Abstract] + References No definition available. + Details
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- Definition Acquisition Related Expenses [Abstract] + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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- Definition Amount of expected cost remaining for the specified restructuring cost. + References No definition available. + Details
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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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