Document and Entity Information
| Document and Entity Information | Feb. 11, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 11, 2022 |
| Entity Registrant Name | Federal Home Loan Bank of Pittsburgh |
| Entity Central Index Key | 0001330399 |
| Entity File Number | 000-51395 |
| Entity Tax Identification Number | 25-6001324 |
| Entity Address, Address Line One | 601 Grant Street |
| Entity Address, City or Town | Pittsburgh |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 15219 |
| City Area Code | 412 |
| Local Phone Number | 288-3400 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |