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Debt (Schedule of Debt Instruments) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Current portion of long-term debt | $ 6,901 | $ 6,633
Long-term debt, excluding current maturities | 61,405 | 55,256
Repayment prior to maturity | 6,901 |
FPL [Member] |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs and premium and discount | (249) | (203)
Total long-term debt | 25,274 | 21,002
Current portion of long-term debt | 1,665 | 1,547
Long-term debt, excluding current maturities | 23,609 | 19,455
Repayment prior to maturity | 1,665 |
FPL [Member] | First mortgage bonds - fixed [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 19,790 | $ 15,790
Weighted-average interest rate | 4.26% | 4.03%
FPL [Member] | Pollution control, solid waste disposal and industrial development revenue bonds - primary variable [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 1,319 | $ 1,366
Weighted-average interest rate | 3.75% | 3.20%
Variable rate tax exempt bonds | $ 1,319 |
FPL [Member] | Senior Unsecured Notes - Primarily Variable |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 4,027 | $ 4,042
Weighted-average interest rate | 5.04% | 3.99%
Floating rate notes that permit individual noteholders to require repayment prior to maturity | $ 1,812 |
FPL [Member] | Other long-term debt - primarily variable |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 387 | $ 7
Weighted-average interest rate | 4.74% | 7.90%
NEER [Member] |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs and premium and discount | $ (174) | $ (108)
Total long-term debt | 11,826 | 9,051
Current portion of long-term debt | 1,031 | 694
Long-term debt, excluding current maturities | 10,795 | 8,357
NEER [Member] | Senior secured limited-recourse term loans - variable [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 5,943 | $ 3,582
Weighted-average interest rate | 7.53% | 6.24%
NEER [Member] | Senior secured limited-recourse long-term loans - fixed |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 2,350 | $ 2,452
Weighted-average interest rate | 3.45% | 3.43%
NEER [Member] | Other Long-Term Debt - Primarily Variable [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 1,183 | $ 777
Weighted-average interest rate | 7.19% | 6.33%
Capital Holdings [Member] |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs and premium and discount | $ (149) | $ (135)
Total long-term debt | 31,206 | 31,836
Current portion of long-term debt | 4,205 | 4,392
Long-term debt, excluding current maturities | 27,001 | 27,444
Capital Holdings [Member] | Other long-term debt - primarily variable |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 300 | $ 675
Weighted-average interest rate | 6.02% | 5.02%
Capital Holdings [Member] | Other long-term debt - primarily fixed |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 157 | $ 164
Weighted-average interest rate | 0.92% | 0.92%
Capital Holdings [Member] | Debentures - fixed [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 24,365 | $ 17,865
Weighted-average interest rate | 4.06% | 2.99%
Capital Holdings [Member] | Debentures variable [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 400 | $ 2,200
Weighted-average interest rate | 6.40% | 4.14%
Capital Holdings [Member] | Debentures, related to NEE's equity units - fixed [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 2,000 | $ 6,500
Weighted-average interest rate | 4.60% | 2.28%
Capital Holdings [Member] | Junior subordinated debentures - primarily fixed [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 3,723 | $ 3,723
Weighted-average interest rate | 5.47% | 5.23%
Capital Holdings [Member] | Japanese yen denominated long-term debt - fixed |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 71 | $ 506
Weighted-average interest rate | 2.63% | 0.73%
Capital Holdings [Member] | Australian dollar denominated long-term debt - fixed [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 339 | $ 338
Weighted-average interest rate | 2.20% | 2.20%
NEET [Member] | Other long-term debt - primarily fixed | NEER [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 2,524 | $ 2,348
Weighted-average interest rate | 5.38% | 5.10%

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