Debt, Activity Under Credit Facilities (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Accounts Receivable Sales Facility [Member] | Line of Credit [Member] | ||
| Line of Credit Facility | ||
| Borrowings, short-term credit facilities | $ 1,850 | $ 4,100 |
| Repayments, short-term credit facilities | (1,850) | (4,100) |
| DGD Revolver [Member] | Line of Credit [Member] | ||
| Line of Credit Facility | ||
| Borrowings, long-term credit facilities | 400 | 300 |
| Repayments, long-term credit facilities | (400) | (200) |
| DGD Loan Agreement [Member] | Line of Credit [Member] | ||
| Line of Credit Facility | ||
| Borrowings, long-term credit facilities | 50 | 0 |
| Repayments, long-term credit facilities | (50) | 0 |
| IEnova Revolver [Member] | Line of Credit [Member] | ||
| Line of Credit Facility | ||
| Repayments, long-term credit facilities | $ (21) | $ (21) |