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v3.24.2

Non-Derivative Fair Value Measurements (Gains and Losses on Available-for-sale Debt Securities) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Debt Securities [Member] |  |  |  |  |
Marketable Securities, Available-for-sale [Line Items] |  |  |  |  |
Realized Gains | $ 8 | $ 10 | $ 19 | $ 18 |
Realized Losses | 16 | 39 | 28 | 76 |
Proceeds from sale or maturity of securities | 666 | 592 | 1,215 | 1,020 |
Available for sale securities: Special Use Funds - Debt Securities [Member] |  |  |  |  |
Marketable Securities, Available-for-sale [Line Items] |  |  |  |  |
Unrealized gains | 24 |  | 24 |  | $ 41
Unrealized losses | 147 |  | 147 |  | 134
Fair value | 2,283 |  | 2,283 |  | 1,862
Florida Power & Light Company | Debt Securities [Member] |  |  |  |  |
Marketable Securities, Available-for-sale [Line Items] |  |  |  |  |
Realized Gains | 6 | 9 | 17 | 15 |
Realized Losses | 10 | 32 | 18 | 62 |
Proceeds from sale or maturity of securities | 521 | $ 442 | 939 | $ 740 |
Florida Power & Light Company | Available for sale securities: Special Use Funds - Debt Securities [Member] |  |  |  |  |
Marketable Securities, Available-for-sale [Line Items] |  |  |  |  |
Unrealized gains | 18 |  | 18 |  | 31
Unrealized losses | 83 |  | 83 |  | 71
Fair value | $ 1,066 |  | $ 1,066 |  | $ 872

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