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Commitments And Contingencies (Other Purchase Commitments) (Details) $ in Millions | Dec. 31, 2022 USD ($)
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Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | $ 719
Minimum future commitments, 2024 | 373
Minimum future commitments, 2025 | 230
Minimum future commitments, 2026 | 148
Minimum future commitments, 2027 | 90
Minimum future commitments, Thereafter | 233
Minimum future commitments, Total | 1,793
Individual commitments incurred | 1
Natural Gas [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 558
Minimum future commitments, 2024 | 297
Minimum future commitments, 2025 | 199
Minimum future commitments, 2026 | 136
Minimum future commitments, 2027 | 85
Minimum future commitments, Thereafter | 209
Minimum future commitments, Total | 1,484
Coal [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 89
Minimum future commitments, 2024 | 64
Minimum future commitments, 2025 | 22
Minimum future commitments, 2026 | 3
Minimum future commitments, 2027 | 3
Minimum future commitments, Thereafter | 0
Minimum future commitments, Total | 181
Other [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 72
Minimum future commitments, 2024 | 12
Minimum future commitments, 2025 | 9
Minimum future commitments, 2026 | 9
Minimum future commitments, 2027 | 2
Minimum future commitments, Thereafter | 24
Minimum future commitments, Total | 128
IPL [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 392
Minimum future commitments, 2024 | 195
Minimum future commitments, 2025 | 107
Minimum future commitments, 2026 | 53
Minimum future commitments, 2027 | 41
Minimum future commitments, Thereafter | 61
Minimum future commitments, Total | 849
IPL [Member] | Natural Gas [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 319
Minimum future commitments, 2024 | 167
Minimum future commitments, 2025 | 85
Minimum future commitments, 2026 | 48
Minimum future commitments, 2027 | 36
Minimum future commitments, Thereafter | 39
Minimum future commitments, Total | 694
IPL [Member] | Coal [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 45
Minimum future commitments, 2024 | 26
Minimum future commitments, 2025 | 20
Minimum future commitments, 2026 | 3
Minimum future commitments, 2027 | 3
Minimum future commitments, Thereafter | 0
Minimum future commitments, Total | 97
IPL [Member] | Other [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 28
Minimum future commitments, 2024 | 2
Minimum future commitments, 2025 | 2
Minimum future commitments, 2026 | 2
Minimum future commitments, 2027 | 2
Minimum future commitments, Thereafter | 22
Minimum future commitments, Total | 58
WPL [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 311
Minimum future commitments, 2024 | 169
Minimum future commitments, 2025 | 117
Minimum future commitments, 2026 | 89
Minimum future commitments, 2027 | 49
Minimum future commitments, Thereafter | 170
Minimum future commitments, Total | 905
WPL [Member] | Natural Gas [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 239
Minimum future commitments, 2024 | 130
Minimum future commitments, 2025 | 114
Minimum future commitments, 2026 | 88
Minimum future commitments, 2027 | 49
Minimum future commitments, Thereafter | 170
Minimum future commitments, Total | 790
WPL [Member] | Coal [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 44
Minimum future commitments, 2024 | 38
Minimum future commitments, 2025 | 2
Minimum future commitments, 2026 | 0
Minimum future commitments, 2027 | 0
Minimum future commitments, Thereafter | 0
Minimum future commitments, Total | 84
WPL [Member] | Other [Member] |
Long-term Purchase Commitment [Line Items] |
Minimum future commitments, 2023 | 28
Minimum future commitments, 2024 | 1
Minimum future commitments, 2025 | 1
Minimum future commitments, 2026 | 1
Minimum future commitments, 2027 | 0
Minimum future commitments, Thereafter | 0
Minimum future commitments, Total | $ 31

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