Segment Disclosures and Related Information - Narrative (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
refinery
segment
| |
| Segment Reporting Information [Line Items] | |
| NumberOfReportableSegmentsNotDisclosedFlag | segment | 0 |
| Chemicals | CPChem | |
| Segment Reporting Information [Line Items] | |
| Equity investment (as a percent) | 50.00% |
| Refining | |
| Segment Reporting Information [Line Items] | |
| Number Of Petroleum Refineries | refinery | 10 |