Commitments and Contingencies	9 Months Ended
Sep. 30, 2023
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	NOTE M – Commitments and Contingencies On July 19, 2016, the European Commission (EC) concluded its investigation of all major European truck manufacturers and reached a settlement with DAF Trucks N.V., DAF Trucks Deutschland GmbH and PACCAR Inc (collectively “the Company”). Following the settlement, certain EC-related claims and lawsuits have been filed in various jurisdictions primarily in Europe against all major European truck manufacturers including the Company and certain subsidiaries. These claims and lawsuits include a number of collective proceedings, including a class action in the United Kingdom and Israel, alleging EC-related claims and seeking monetary damages. In certain jurisdictions, additional claimants may bring EC-related claims and lawsuits against the Company or its subsidiaries. The legal proceedings are moving through the court systems. In 2023, several European courts issued judgments; some have been favorable while others have been unfavorable and are being appealed. The Company believes it has meritorious defenses to the legal claims. In early 2023, the Company began settling with selected claimants. Based on these settlements and judgments, the Company recorded in the first quarter 2023, a non-recurring pre-tax charge of $600.0 million ($446.4 million after-tax) for the estimable total cost. The estimate may be adjusted as the legal process continues, which could have a material impact on the Company’s financial results. PACCAR is also a defendant in various other legal proceedings and, in addition, there are various other contingent liabilities arising in the normal course of business. After consultation with legal counsel, management does not anticipate that disposition of these various other proceedings and contingent liabilities will have a material effect on the consolidated financial statements.

Commitments and Contingencies

9 Months Ended

Sep. 30, 2023

Commitments and Contingencies Disclosure [Abstract]

NOTE M – Commitments and Contingencies

On July 19, 2016, the European Commission (EC) concluded its investigation of all major European truck manufacturers and reached a settlement with DAF Trucks N.V., DAF Trucks Deutschland GmbH and PACCAR Inc (collectively “the Company”). Following the settlement, certain EC-related claims and lawsuits have been filed in various jurisdictions primarily in Europe against all major European truck manufacturers including the Company and certain subsidiaries. These claims and lawsuits include a number of collective proceedings, including a class action in the United Kingdom and Israel, alleging EC-related claims and seeking monetary damages. In certain jurisdictions, additional claimants may bring EC-related claims and lawsuits against the Company or its subsidiaries.

The legal proceedings are moving through the court systems. In 2023, several European courts issued judgments; some have been favorable while others have been unfavorable and are being appealed. The Company believes it has meritorious defenses to the legal claims. In early 2023, the Company began settling with selected claimants. Based on these settlements and judgments, the Company recorded in the first quarter 2023, a non-recurring pre-tax charge of $600.0 million ($446.4 million after-tax) for the estimable total cost. The estimate may be adjusted as the legal process continues, which could have a material impact on the Company’s financial results.

PACCAR is also a defendant in various other legal proceedings and, in addition, there are various other contingent liabilities arising in the normal course of business. After consultation with legal counsel, management does not anticipate that disposition of these various other proceedings and contingent liabilities will have a material effect on the consolidated financial statements.