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Commitments And Contingencies (Other Purchase Commitments) (Details) $ in Millions | Dec. 31, 2024 USD ($)
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Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | $ 394
Minimum future commitments, 2026 | 230
Minimum future commitments, 2027 | 159
Minimum future commitments, 2028 | 114
Minimum future commitments, 2029 | 86
Minimum future commitments, Thereafter | 142
Minimum future commitments, Total | 1,125
Individual commitments incurred | 1
Natural Gas [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 268
Minimum future commitments, 2026 | 177
Minimum future commitments, 2027 | 130
Minimum future commitments, 2028 | 102
Minimum future commitments, 2029 | 84
Minimum future commitments, Thereafter | 120
Minimum future commitments, Total | 881
Coal [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 75
Minimum future commitments, 2026 | 33
Minimum future commitments, 2027 | 22
Minimum future commitments, 2028 | 5
Minimum future commitments, 2029 | 0
Minimum future commitments, Thereafter | 0
Minimum future commitments, Total | 135
Other [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 51
Minimum future commitments, 2026 | 20
Minimum future commitments, 2027 | 7
Minimum future commitments, 2028 | 7
Minimum future commitments, 2029 | 2
Minimum future commitments, Thereafter | 22
Minimum future commitments, Total | 109
IPL [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 212
Minimum future commitments, 2026 | 125
Minimum future commitments, 2027 | 97
Minimum future commitments, 2028 | 71
Minimum future commitments, 2029 | 51
Minimum future commitments, Thereafter | 41
Minimum future commitments, Total | 597
Individual commitments incurred | 1
IPL [Member] | Natural Gas [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 160
Minimum future commitments, 2026 | 104
Minimum future commitments, 2027 | 85
Minimum future commitments, 2028 | 64
Minimum future commitments, 2029 | 49
Minimum future commitments, Thereafter | 20
Minimum future commitments, Total | 482
IPL [Member] | Coal [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 34
Minimum future commitments, 2026 | 19
Minimum future commitments, 2027 | 10
Minimum future commitments, 2028 | 5
Minimum future commitments, 2029 | 0
Minimum future commitments, Thereafter | 0
Minimum future commitments, Total | 68
IPL [Member] | Other [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 18
Minimum future commitments, 2026 | 2
Minimum future commitments, 2027 | 2
Minimum future commitments, 2028 | 2
Minimum future commitments, 2029 | 2
Minimum future commitments, Thereafter | 21
Minimum future commitments, Total | 47
WPL [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 171
Minimum future commitments, 2026 | 88
Minimum future commitments, 2027 | 57
Minimum future commitments, 2028 | 38
Minimum future commitments, 2029 | 35
Minimum future commitments, Thereafter | 100
Minimum future commitments, Total | 489
Individual commitments incurred | 1
WPL [Member] | Natural Gas [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 108
Minimum future commitments, 2026 | 73
Minimum future commitments, 2027 | 45
Minimum future commitments, 2028 | 38
Minimum future commitments, 2029 | 35
Minimum future commitments, Thereafter | 100
Minimum future commitments, Total | 399
WPL [Member] | Coal [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 41
Minimum future commitments, 2026 | 14
Minimum future commitments, 2027 | 12
Minimum future commitments, 2028 | 0
Minimum future commitments, 2029 | 0
Minimum future commitments, Thereafter | 0
Minimum future commitments, Total | 67
WPL [Member] | Other [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2025 | 22
Minimum future commitments, 2026 | 1
Minimum future commitments, 2027 | 0
Minimum future commitments, 2028 | 0
Minimum future commitments, 2029 | 0
Minimum future commitments, Thereafter | 0
Minimum future commitments, Total | $ 23

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