XML 72 R56.htm IDEA: XBRL DOCUMENT
v3.25.2

Commodity Derivatives - Notional Volumes (Details) - Not Designated as Hedging Instrument [Member] | Jun. 30, 2025 MMBTU Boe
--- | ---
Public Utilities, Inventory, Natural Gas | IndexRisk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | MMBTU | 1,152,909,659
Public Utilities, Inventory, Natural Gas | Central Hub Risk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | MMBTU | (49,269,089)
Public Utilities, Inventory, Natural Gas | Basis Risk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | MMBTU | 491,724,037
Natural Gas Liquids | Central Hub Risk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | Boe | (1,249,000)
Natural Gas Liquids | Basis Risk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | Boe | 75,000
Crude Oil | Central Hub Risk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | Boe | (475,000)

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Derivative nonmonetary notional amount net long short position volume + References No definition available. + Details
Name: | wmb_DerivativeNonmonetaryNotionalAmountNetLongShortPositionVolume
Namespace Prefix: | wmb_
Data Type: | dtr-types1:energyItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_PublicUtilitiesInventoryNaturalGasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | wmb_CommodityDerivativeContractRiskAxis=wmb_IndexRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | wmb_CommodityDerivativeContractRiskAxis=wmb_CentralHubRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | wmb_CommodityDerivativeContractRiskAxis=wmb_BasisRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=srt_NaturalGasLiquidsReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=srt_CrudeOilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |