| Component: (Network and Table) | |
|---|---|
| Network | 1072 - Disclosure - Annual Maturities of Financial Services Borrowings (Detail) (https://www.paccar.com/taxonomy/role/DisclosureAnnualMaturitiesOfFinancialServicesBorrowings) |
| Table | Schedule of Debt Outstanding [Table] |
| Reporting Entity [Axis] | 0000075362 (https://www.sec.gov/CIK) |
| Period [Axis] | 2013-12-31 |
| Legal Entity [Axis] | Entity [Domain] |
| Statement Business Segments [Axis] | Financial Services [Member] |
| Debt Outstanding [Line Items] | Debt Instrument [Axis] | |||
|---|---|---|---|---|
| Commercial Paper [Member] | Bank Loan Obligations [Member] | Term Loan [Member] | Debt Instrument Name [Domain] | |
2014 | ||||
2015 | ||||
2016 | ||||
2017 | ||||
2018 | ||||
Debt outstanding | 2,267,800,000 | 8,272,700,000 | ||