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Debt (Schedule of Debt Instruments) (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Mar. 31, 2024 | Dec. 31, 2023
Debt Instrument [Line Items] |  |  |
Current portion of long-term debt | $ 8,061,000,000 |  | $ 6,901,000,000
Long-term debt, excluding current maturities | 72,385,000,000 |  | 61,405,000,000
Repayment prior to maturity | 8,064,000,000 |  |
FPL [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Unamortized debt issuance costs and premium and discount | (269,000,000) |  | (249,000,000)
Total long-term debt | 26,745,000,000 |  | 25,274,000,000
Current portion of long-term debt | 1,719,000,000 |  | 1,665,000,000
Long-term debt, excluding current maturities | 25,026,000,000 |  | 23,609,000,000
Repayment prior to maturity | 1,720,000,000 |  |
FPL [Member] | First mortgage bonds - fixed [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 21,990,000,000 |  | $ 19,790,000,000
Weighted-average interest rate | 4.41% |  | 4.26%
FPL [Member] | Pollution control, solid waste disposal and industrial development revenue bonds - primary variable [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 1,663,000,000 |  | $ 1,319,000,000
Weighted-average interest rate | 2.98% |  | 3.75%
Variable rate tax exempt bonds | $ 1,663,000,000 |  |
FPL [Member] | Senior Unsecured Notes - Primarily Variable |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 3,194,000,000 |  | $ 4,027,000,000
Weighted-average interest rate | 4.30% |  | 5.04%
Floating rate notes that permit individual noteholders to require repayment prior to maturity | $ 1,979,000,000 |  |
FPL [Member] | Other long-term debt - primarily fixed |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 167,000,000 |  | $ 387,000,000
Weighted-average interest rate | 6.08% |  | 4.74%
NEER [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Unamortized debt issuance costs and premium and discount | $ (266,000,000) |  | $ (174,000,000)
Total long-term debt | 15,089,000,000 |  | 11,826,000,000
Current portion of long-term debt | 700,000,000 |  | 1,031,000,000
Long-term debt, excluding current maturities | 14,389,000,000 |  | 10,795,000,000
NEER [Member] | Senior secured limited-recourse term loans - variable [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 8,399,000,000 |  | $ 5,943,000,000
Weighted-average interest rate | 6.47% |  | 7.53%
NEER [Member] | Senior secured limited-recourse long-term loans - fixed |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 1,667,000,000 |  | $ 2,350,000,000
Weighted-average interest rate | 5.29% |  | 3.45%
NEER [Member] | Other Long-Term Debt - Primarily Variable [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 3,231,000,000 |  | $ 1,183,000,000
Weighted-average interest rate | 6.62% |  | 7.19%
Capital Holdings [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Unamortized debt issuance costs and premium and discount | $ (206,000,000) |  | $ (149,000,000)
Total long-term debt | 38,612,000,000 |  | 31,206,000,000
Current portion of long-term debt | 5,642,000,000 |  | 4,205,000,000
Long-term debt, excluding current maturities | 32,970,000,000 |  | 27,001,000,000
Capital Holdings [Member] | Other long-term debt - primarily variable |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 300,000,000 |  | $ 300,000,000
Weighted-average interest rate | 5.44% |  | 6.02%
Capital Holdings [Member] | Other long-term debt - primarily fixed |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 1,210,000,000 |  | $ 228,000,000
Weighted-average interest rate | 2.73% |  | 1.45%
Capital Holdings [Member] | Debentures - fixed [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 24,280,000,000 |  | $ 24,365,000,000
Weighted-average interest rate | 4.29% |  | 4.06%
Capital Holdings [Member] | Debentures variable [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 600,000,000 |  | $ 400,000,000
Weighted-average interest rate | 5.34% |  | 6.40%
Capital Holdings [Member] | Debentures, related to NEE's equity units - fixed [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 5,500,000,000 |  | $ 2,000,000,000
Weighted-average interest rate | 6.30% |  | 4.60%
Capital Holdings [Member] | Junior subordinated debentures - primarily fixed [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 5,923,000,000 |  | $ 3,723,000,000
Weighted-average interest rate | 5.84% |  | 5.47%
Capital Holdings [Member] | Canadian Dollar Denominated Term Loans |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 697,000,000 |  | $ 0
Weighted-average interest rate | 4.85% |  | 0.00%
Capital Holdings [Member] | Australian dollar denominated long-term debt - fixed [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross | $ 308,000,000 |  | $ 339,000,000
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 | $ 2,058,000,000 |  | $ 2,524,000,000
Weighted-average interest rate | 5.35% |  | 5.38%
NextEra Energy Capital Holdings, Inc. [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Proceeds from Convertible Debt | $ 52,000,000 |  |
NextEra Energy Capital Holdings, Inc. [Member] | Exchangeable Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, face amount |  | $ 1,000,000,000.0 |
Share Price | $ 68.06 |  |
Initial Cap Price | $ 83.34 |  |

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