Document and Entity Information
| Document and Entity Information | Apr. 22, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | PARKER HANNIFIN CORP |
| Amendment Flag | true |
| Entity Central Index Key | 0000076334 |
| Document Type | 8-K/A |
| Document Period End Date | Apr. 22, 2021 |
| Entity Incorporation State 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 |
| Security 12b Title | Common Shares, $.50 par value |
| Trading Symbol | PH |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Amendment Description | On April 22, 2021, Parker-Hannifin Corporation (the “Company”) filed a Current Report on Form 8-K (the “Original Form 8-K”) under Item 5.02 that, among other things, reported that the Board of Directors (the “Board”) of the Company elected William F. Lacey as a Director of the Company for a term expiring at the Annual Meeting of Shareholders in October 2021. In accordance with the Instructions to Item 5.02 of Form 8-K, this Current Report on Form 8-K/A reports Mr. Lacey’s initial Board committee assignments. No other changes have been made to Item 5.02 of the Original Form 8-K. |