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Consideration of Credit Risk and Concentrations (Details) - Credit Concentration Risk $ in Millions | Dec. 31, 2023 USD ($) Counterparty
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Derivative [Line Items] |
Number of most significant counterparties | 10
Municipal or Cooperative Entities or Other Utilities |
Derivative [Line Items] |
Number of most significant counterparties | 8
External Credit Rating, Investment Grade |
Derivative [Line Items] |
Number of most significant counterparties | 4
Credit exposure for the most significant counterparties | $ | $ 49
Percentage of credit exposure for the most significant counterparties | 23.00%
Internal Investment Grade |
Derivative [Line Items] |
Number of most significant counterparties | 5
Credit exposure for the most significant counterparties | $ | $ 78
Percentage of credit exposure for the most significant counterparties | 37.00%
External Credit Rating, Non Investment Grade [Member] |
Derivative [Line Items] |
Number of most significant counterparties | 1
Credit exposure for the most significant counterparties | $ | $ 45
Percentage of credit exposure for the most significant counterparties | 21.00%

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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 + Details
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