v3.25.4
Debt (Schedule of Debt Instruments) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Debt Instrument [Line Items]      
Current portion of long-term debt $ 3,500,000,000   $ 8,061,000,000
Long-term debt, excluding current maturities 89,556,000,000   72,385,000,000
Repayment prior to maturity 3,499,000,000    
FPL      
Debt Instrument [Line Items]      
Unamortized debt issuance costs and premium and discount (311,000,000)   (269,000,000)
Total long-term debt 28,682,000,000   26,745,000,000
Current portion of long-term debt 641,000,000   1,719,000,000
Long-term debt, excluding current maturities 28,041,000,000   25,026,000,000
Repayment prior to maturity 641,000,000    
FPL | First mortgage bonds - fixed [Member]      
Debt Instrument [Line Items]      
Long-term debt, gross $ 24,090,000,000   $ 21,990,000,000
Weighted-average interest rate 4.69%   4.41%
FPL | Pollution control, solid waste disposal and industrial development revenue bonds - primary variable [Member]      
Debt Instrument [Line Items]      
Long-term debt, gross $ 1,566,000,000   $ 1,663,000,000
Weighted-average interest rate 2.68%   2.98%
Variable rate tax exempt bonds $ 1,566,000,000    
FPL | Senior Unsecured Notes - Primarily Variable      
Debt Instrument [Line Items]      
Long-term debt, gross $ 3,190,000,000   $ 3,194,000,000
Weighted-average interest rate 3.88%   4.30%
Floating rate notes that permit individual noteholders to require repayment prior to maturity $ 1,975,000,000    
FPL | Other long-term debt - primarily fixed      
Debt Instrument [Line Items]      
Long-term debt, gross $ 147,000,000   $ 167,000,000
Weighted-average interest rate 6.08%   6.08%
NEER      
Debt Instrument [Line Items]      
Unamortized debt issuance costs and premium and discount $ (244,000,000)   $ (267,000,000)
Total long-term debt 18,448,000,000   15,089,000,000
Current portion of long-term debt 925,000,000   700,000,000
Long-term debt, excluding current maturities 17,523,000,000   14,389,000,000
NEER | Senior secured limited-recourse term loans - variable [Member]      
Debt Instrument [Line Items]      
Long-term debt, gross $ 13,963,000,000   $ 11,340,000,000
Weighted-average interest rate 5.79%   6.49%
NEER | Senior secured limited-recourse long-term loans - fixed      
Debt Instrument [Line Items]      
Long-term debt, gross $ 2,162,000,000   $ 1,799,000,000
Weighted-average interest rate 5.61%   5.33%
NEER | Other Long-Term Debt - Primarily Variable [Member]      
Debt Instrument [Line Items]      
Long-term debt, gross $ 173,000,000   $ 159,000,000
Weighted-average interest rate 8.03%   8.23%
Capital Holdings [Member]      
Debt Instrument [Line Items]      
Unamortized debt issuance costs and premium and discount $ (297,000,000)   $ (206,000,000)
Total long-term debt 45,926,000,000   38,612,000,000
Current portion of long-term debt 1,934,000,000   5,642,000,000
Long-term debt, excluding current maturities 43,992,000,000   32,970,000,000
Capital Holdings [Member] | Other long-term debt - primarily fixed      
Debt Instrument [Line Items]      
Long-term debt, gross $ 1,064,000,000   $ 1,210,000,000
Weighted-average interest rate 2.98%   2.73%
Capital Holdings [Member] | Debentures - fixed [Member]      
Debt Instrument [Line Items]      
Long-term debt, gross $ 27,807,000,000   $ 25,284,000,000
Weighted-average interest rate 4.20%   4.28%
Capital Holdings [Member] | Debentures variable [Member]      
Debt Instrument [Line Items]      
Long-term debt, gross $ 1,100,000,000   $ 600,000,000
Weighted-average interest rate 5.00%   5.34%
Capital Holdings [Member] | Debentures, related to NEE's equity units - fixed [Member]      
Debt Instrument [Line Items]      
Long-term debt, gross $ 3,500,000,000   $ 5,500,000,000
Weighted-average interest rate 7.27%   6.30%
Capital Holdings [Member] | Junior subordinated debentures - primarily fixed [Member]      
Debt Instrument [Line Items]      
Long-term debt, gross $ 9,720,000,000   $ 3,093,000,000
Weighted-average interest rate 5.31%   5.01%
Capital Holdings [Member] | Junior subordinated debt - variable      
Debt Instrument [Line Items]      
Long-term debt, gross $ 3,032,000,000   $ 2,831,000,000
Weighted-average interest rate 6.64%   6.75%
Capital Holdings [Member] | Other long-term debt - primarily variable      
Debt Instrument [Line Items]      
Long-term debt, gross $ 0   $ 300,000,000
Weighted-average interest rate   5.44%
NEET [Member] | Other long-term debt - primarily fixed | NEER      
Debt Instrument [Line Items]      
Long-term debt, gross $ 2,394,000,000   $ 2,058,000,000
Weighted-average interest rate 5.29%   5.35%
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