XML 116 R72.htm IDEA: XBRL DOCUMENT
v3.23.1

Derivatives and Hedging (Schedule of Offsetting Assets) (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 268 | $ 795
Derivative Asset, Current | 109 | 518
Net amounts presented in Current Assets: Other | 62 | 116
Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 128 | 582
Gross amounts offset | $ (19) | $ (64)
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Current Assets: Other | Current Assets: Other
Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 140 | $ 213
Gross amounts offset | $ (78) | $ (97)
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other | Other
Duke Energy Carolinas |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 80 | $ 330
Derivative Asset, Current | 2 | 193
Net amounts presented in Current Assets: Other | 29 | 64
Duke Energy Carolinas | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 13 | 226
Gross amounts offset | (11) | (33)
Duke Energy Carolinas | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 67 | 104
Gross amounts offset | (38) | (40)
Progress Energy |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 88 | 248
Derivative Asset, Current | 7 | 110
Net amounts presented in Current Assets: Other | 33 | 51
Progress Energy | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 15 | 140
Gross amounts offset | (8) | (30)
Progress Energy | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 73 | 108
Gross amounts offset | (40) | (57)
Duke Energy Progress |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 82 | 230
Derivative Asset, Current | 1 | 92
Net amounts presented in Current Assets: Other | 33 | 51
Duke Energy Progress | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 9 | 122
Gross amounts offset | (8) | (30)
Duke Energy Progress | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 73 | 108
Gross amounts offset | (40) | (57)
Duke Energy Florida |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 6 | 17
Derivative Asset, Current | 6 | 17
Duke Energy Florida | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 6 | 17
Duke Energy Ohio |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 1 | 5
Derivative Asset, Current | 1 | 5
Duke Energy Ohio | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 1 | 5
Duke Energy Indiana |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 11 | 110
Derivative Asset, Current | 11 | 110
Duke Energy Indiana | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 11 | $ 110
Piedmont |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 1 |
Derivative Asset, Current | 1 |
Piedmont | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 1 |

X
- Definition Indicates line item in statement of financial position that includes derivative asset classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
Name: | us-gaap_DerivativeAssetCurrentStatementOfFinancialPositionExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226003-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssetFairValueGrossLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Indicates line item in statement of financial position that includes derivative asset classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
Name: | us-gaap_DerivativeAssetNoncurrentStatementOfFinancialPositionExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssetsCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssetsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=duk_DukeEnergyCarolinasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=duk_ProgressEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=duk_DukeEnergyProgressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=duk_DukeEnergyFloridaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=duk_DukeEnergyOhioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=duk_DukeEnergyIndianaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=duk_PiedmontNaturalGasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |