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v3.19.3.a.u2

Commitments and Contingencies - Unconditional Purchase Obligations (Details) $ in Millions | Dec. 31, 2019 USD ($)
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Minimum future commitments for purchase obligations |
Total Amounts Committed | $ 11,570.0
2020 | 1,231.1
2021 | 1,112.3
2022 | 1,040.6
2023 | 946.8
2024 | 720.7
Later Years | 6,518.5
Nuclear | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 8,319.0
2020 | 475.1
2021 | 501.1
2022 | 531.2
2023 | 563.0
2024 | 596.8
Later Years | 5,651.8
Coal supply and transportation | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 983.2
2020 | 306.9
2021 | 255.7
2022 | 223.4
2023 | 196.5
2024 | 0.7
Later Years | 0.0
Purchased power | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 428.3
2020 | 88.9
2021 | 58.5
2022 | 51.5
2023 | 46.5
2024 | 43.4
Later Years | 139.5
Supply and transportation | Natural gas |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 1,652.3
2020 | 344.8
2021 | 285.5
2022 | 224.6
2023 | 131.2
2024 | 70.8
Later Years | 595.4
Non-Utility Energy Infrastructure | Purchased power | Electric |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 173.6
2020 | 7.7
2021 | 8.8
2022 | 8.6
2023 | 8.8
2024 | 8.9
Later Years | 130.8
Non-Utility Energy Infrastructure | Natural gas storage and transportation | Natural gas |
Minimum future commitments for purchase obligations |
Total Amounts Committed | 13.6
2020 | 7.7
2021 | 2.7
2022 | 1.3
2023 | 0.8
2024 | 0.1
Later Years | $ 1.0

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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
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of purchase arrangement maturing after the fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
Name: | us-gaap_PurchaseObligationDueAfterFifthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of purchase arrangement maturing in the fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of purchase arrangement maturing in the fourth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of purchase arrangement maturing in the next fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of purchase arrangement maturing in the second fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
Name: | us-gaap_PurchaseObligationDueInSecondYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of purchase arrangement maturing in the third fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
Name: | us-gaap_PurchaseObligationDueInThirdYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
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- Details
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