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Commitments and Contingencies
3 Months Ended
Mar. 31, 2023
Commitments and Contingencies Disclosure [Abstract]  
Commitments and Contingencies Commitments and Contingencies
Legal Matters
We are subject to various legal proceedings, many involving routine litigation incidental to the businesses, including approximately 2,224 pending product liability lawsuits resulting from our national distribution of automotive parts and supplies. Many of these involve claims of personal injury allegedly resulting from the use of automotive parts we distributed. The amount accrued for pending and future claims was $216 million as of March 31, 2023, which represents our best estimate of the liability within our calculated range of $195 million to $275 million, discounted using a discount rate of 3.48%. The amount accrued for pending and future claims was $220 million as of December 31, 2022, which represents our best estimate of the liability within our calculated range of $190 million to $270 million, discounted using a discount rate of 3.83%. Our undiscounted product liability was $276 million and $285 million as of March 31, 2023 and December 31, 2022, respectively. There have been no significant developments to the information presented in our 2022 Annual Report on Form 10-K with respect to litigation or commitments and contingencies.
Environmental Liabilities
Item 103 of SEC Regulation S-K requires disclosure of certain environmental matters when a governmental authority is a party to the proceedings and such proceedings involve potential monetary sanctions that we reasonably believe will exceed an applied threshold not to exceed $1 million. Applying this threshold, there are no environmental matters to disclose for this period.