Consideration of Credit Risk and Concentrations (Details) - Credit Concentration Risk $ in Millions	Dec. 31, 2023 USD ($) Counterparty
Derivative [Line Items]
Number of most significant counterparties for wholesale, trading and non-trading commodity activities with credit exposure	8
Municipal or Cooperative Entities or Other Utilities
Derivative [Line Items]
Number of most significant counterparties for wholesale, trading and non-trading commodity activities with credit exposure	8
External Credit Rating, Investment Grade
Derivative [Line Items]
Number of most significant counterparties for wholesale, trading and non-trading commodity activities with credit exposure	2
Wholesale, trading and non trading commodity credit exposure for the most significant counterparties \| $	$ 5
Percentage of wholesale, trading and non trading commodity credit exposure for the most significant counterparties	19.00%
External Credit Rating, Non Investment Grade
Derivative [Line Items]
Number of most significant counterparties for wholesale, trading and non-trading commodity activities with credit exposure	1
Percentage of wholesale, trading and non trading commodity credit exposure for the most significant counterparties	1.00%
Internal Investment Grade
Derivative [Line Items]
Number of most significant counterparties for wholesale, trading and non-trading commodity activities with credit exposure	5
Wholesale, trading and non trading commodity credit exposure for the most significant counterparties \| $	$ 23
Percentage of wholesale, trading and non trading commodity credit exposure for the most significant counterparties	81.00%

Number of the entity's most significant counterparties for wholesale, trading and non-trading commodity activities with credit exposure.

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- Definition

Percentage of wholesale, trading and non-trading commodity credit exposure for the entity's most significant counterparties.

+ References

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- Definition

Wholesale, trading and non-trading commodity credit exposure for the entity's most significant counterparties.

+ References

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- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480237/815-40-50-5

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