Receivables (Maximum And Average Outstanding Cash Proceeds) (Details) - IPL [Member] - Receivables Sold [Member] - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Maximum [Member] | ||||
| Receivables [Line Items] | ||||
| Maximum outstanding aggregate cash proceeds (based on daily outstanding balances) | $ 110 | $ 110 | $ 110 | $ 110 |
| Average [Member] | ||||
| Receivables [Line Items] | ||||
| Average outstanding aggregate cash proceeds (based on daily outstanding balances) | $ 60 | $ 73 | $ 84 | $ 48 |