| Component: (Network and Table) | |
|---|---|
| Network | 1052 - Disclosure - Annual Minimum Payments Due on Finance Receivables (Detail) (http://www.paccar.com/taxonomy/role/DisclosureAnnualMinimumPaymentsDueOnFinanceReceivables) |
| Table | Schedule of Accounts, Notes, Loans and Financing Receivable [Table] |
| Reporting Entity [Axis] | 0000075362 (http://www.sec.gov/CIK) |
| Period [Axis] | 2013-12-31 |
| Legal Entity [Axis] | Entity [Domain] |
| Statement Business Segments [Axis] | Financial Services [Member] |
| Accounts, Notes, Loans and Financing Receivable [Line Items] | Accounts Notes Loans And Financing Receivable By Receivable Type [Axis] | |
|---|---|---|
| Loans Receivable [Member] | Finance Leases Financing Receivable [Member] | |
2014 | ||
2015 | ||
2016 | ||
2017 | ||
2018 | ||
Thereafter | ||
Financing Receivable, Gross, Total | ||