Commitments and Contingencies	9 Months Ended
Sep. 30, 2024
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 class actions in the United Kingdom (U.K.) 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. Several European courts have issued judgments; some have been favorable while others have been unfavorable and are being appealed. In the U.K., one class action has been certified by the lower court and the proceeding remains in its preliminary stages. The Company believes it has meritorious defenses to all of the pending legal claims. Since early 2023, the Company has been settling with selected claimants. In the first quarter 2023, the Company recorded a non-recurring pre-tax charge of $600.0 ($446.4 after-tax) for the estimable total cost. The estimate may be adjusted as the legal process continues and settlements occur, 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, 2024

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 class actions in the United Kingdom (U.K.) 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. Several European courts have issued judgments; some have been favorable while others have been unfavorable and are being appealed. In the U.K., one class action has been certified by the lower court and the proceeding remains in its preliminary stages. The Company believes it has meritorious defenses to all of the pending legal claims. Since early 2023, the Company has been settling with selected claimants. In the first quarter 2023, the Company recorded a non-recurring pre-tax charge of $600.0 ($446.4 after-tax) for the estimable total cost. The estimate may be adjusted as the legal process continues and settlements occur, 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.