| Cover | Jun. 19, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jun. 19, 2024 |
| Entity File Number | 001-05152 |
| Entity Registrant Name | PACIFICORP |
| Entity Tax Identification Number | 93-0246090 |
| Entity Incorporation, State or Country Code | OR |
| Entity Address, Address Line One | 825 N.E. Multnomah Street |
| Entity Address, City or Town | Portland |
| Entity Address, State or Province | OR |
| Entity Address, Postal Zip Code | 97232 |
| City Area Code | 888 |
| Local Phone Number | 221-7070 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000075594 |
| Amendment Flag | false |
