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Non-Derivative Fair Value Measurements (Fair Value of Instruments Recorded at Other Than Fair Value and Special Use Funds) (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Special use funds: nuclear decommissioning fund assets | $ 8,217 | $ 7,495
Special Use Funds Storm Fund Assets | 1 | 1
Available for sale debt securities amortized cost | $ 3,342 | 2,858
Special Use Funds Nuclear Decommissioning Funds Weighted Average Maturity | 9 years |
Other investments weighted average maturity | 7 years |
Other assets, current | $ 1,372 | 1,107
Other | 7,244 | 5,695
Carrying Amount |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Special Use Funds Fair Value Disclosure | 1,124 | 998
Other Investments Financial Instruments Primarily Notes Receivable Fair Value Disclosure | 553 | 246
Long Term Debt Including Current Maturities Fair Value And Carrying Value | 67,312 | 61,889
Other assets, current | 322 | 25
Estimated Fair Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Special Use Funds Fair Value Disclosure | 1,124 | 999
Other Investments Financial Instruments Primarily Notes Receivable Fair Value Disclosure | 553 | 246
Long Term Debt Including Current Maturities Fair Value And Carrying Value | 62,733 | 57,892
Other | 231 | 221
Florida Power & Light Company |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Special use funds: nuclear decommissioning fund assets | 5,723 | 5,220
Special Use Funds Storm Fund Assets | 1 | 1
Available for sale debt securities amortized cost | $ 1,747 | 1,873
Special Use Funds Nuclear Decommissioning Funds Weighted Average Maturity | 9 years |
Other assets, current | $ 157 | 143
Other | 690 | 887
Florida Power & Light Company | Carrying Amount |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Special Use Funds Fair Value Disclosure | 811 | 744
Long Term Debt Including Current Maturities Fair Value And Carrying Value | 24,885 | 21,002
Florida Power & Light Company | Estimated Fair Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Special Use Funds Fair Value Disclosure | 812 | 744
Long Term Debt Including Current Maturities Fair Value And Carrying Value | $ 23,365 | $ 19,364

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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. An amount representing decommission fund to pay for the costs of decontaminating and decommissioning of facilities through collection of revenues derived from utility assessments and government appropriations. + References No definition available. + Details
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- Definition This item represents the weighted-average maturity of debt securities (in years) in nuclear decommissioning funds at the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
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