Derivatives and Risk Management Activities - Interest Rate Risk Hedging (Details) - Cash Flow Hedging $ in Millions |
3 Months Ended |
|---|---|
|
Mar. 31, 2025
USD ($)
contract
| |
| 8 forward starting swaps (30-year), 3.09% | |
| Interest Rate Derivatives [Abstract] | |
| Number of interest rate derivatives | contract | 8 |
| Term of derivative contract | 30 years |
| Notional amount of derivatives | $ | $ 200 |
| Average rate locked (percent) | 3.09% |
| 4 forward starting swaps (30-year), 0.74% | |
| Interest Rate Derivatives [Abstract] | |
| Number of interest rate derivatives | contract | 4 |
| Term of derivative contract | 30 years |
| Notional amount of derivatives | $ | $ 100 |
| Average rate locked (percent) | 3.76% |