| Cover | Apr. 29, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Apr. 29, 2021 |
| Entity Registrant Name | PARKER-HANNIFIN CORPORATION |
| Entity Incorporation, State or Country Code | OH |
| Entity File Number | 1-4982 |
| Entity Tax Identification Number | 34-0451060 |
| Entity Address, Address Line One | 6035 Parkland Boulevard |
| Entity Address, City or Town | Cleveland |
| Entity Address, State or Province | OH |
| Entity Address, Postal Zip Code | 44124-4141 |
| City Area Code | 216 |
| Local Phone Number | 896-3000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Title of 12(b) Security | Common Shares, $.50 par value |
| Trading Symbol | PH |
| Security Exchange Name | NYSE |
| Entity Central Index Key | 0000076334 |
| Amendment Flag | false |
