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Receivables (Narrative) (Details) - Receivables Sold [Member] - IPL [Member] - USD ($) $ in Millions | Apr. 30, 2024 | Mar. 31, 2024
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Receivables [Line Items] |  |
Available capacity |  | $ 92
Subsequent Event [Member] |  |
Receivables [Line Items] |  |
Available capacity | $ 80 |
Financial Asset, Past Due [Member] |  |
Receivables [Line Items] |  |
Outstanding receivables past due |  | $ 22

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