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Commitments and Contingencies - Unconditional Purchase Obligations (Details) $ in Millions | Dec. 31, 2021 USD ($)
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Minimum future commitments for purchase obligations |
Total Amounts Committed | $ 10,588.7
2022 | 1,232.7
2023 | 1,125.0
2024 | 1,051.6
2025 | 997.0
2026 | 852.4
Later Years | 5,330.0
Nuclear | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 7,342.8
2022 | 531.2
2023 | 563.0
2024 | 596.8
2025 | 632.6
2026 | 677.9
Later Years | 4,341.3
Coal supply and transportation | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 821.8
2022 | 260.9
2023 | 213.3
2024 | 180.0
2025 | 167.6
2026 | 0.0
Later Years | 0.0
Purchased power | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 316.5
2022 | 65.5
2023 | 60.7
2024 | 53.2
2025 | 46.9
2026 | 43.8
Later Years | 46.4
Supply and transportation | Natural gas |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 1,704.4
2022 | 349.4
2023 | 264.7
2024 | 201.0
2025 | 128.9
2026 | 109.2
Later Years | 651.2
Non-Utility Energy Infrastructure | Purchased power | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 396.3
2022 | 20.6
2023 | 22.5
2024 | 20.6
2025 | 21.0
2026 | 21.4
Later Years | 290.2
Non-Utility Energy Infrastructure | Natural gas storage and transportation | Natural gas |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 6.9
2022 | 5.1
2023 | 0.8
2024 | 0.0
2025 | 0.0
2026 | 0.1
Later Years | $ 0.9

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- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of purchase arrangement to be paid after fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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X
- Definition Amount of purchase arrangement to be paid in fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Amount of purchase arrangement to be paid in fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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X
- Definition Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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X
- Definition Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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Period Type: | instant

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