v3.25.4
Summary of Significant Accounting and Reporting Policies (FPL Base Rate Agreements) (Details)
 8 Months Ended 12 Months Ended 36 Months Ended 40 Months Ended 48 Months Ended
Jan. 01, 2023
USD ($)
Jan. 01, 2022
USD ($)
Aug. 31, 2022
Dec. 31, 2025
USD ($)
MW
Dec. 31, 2024
USD ($)
MW
Dec. 31, 2029
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2029
USD ($)
kWh
MW
Dec. 31, 2025
USD ($)
MW
Accounting Policies [Line Items]                  
Deferred Tax Liabilities, Gross       $ 18,179,000,000 $ 16,897,000,000   $ 18,179,000,000   $ 18,179,000,000
FPL                  
Accounting Policies [Line Items]                  
Earned regulatory ROE threshold below which retail base rate relief may be sought     9.70%            
Earned regulatory ROE threshold above which retail base rate reduction may be sought     11.70%            
Deferred Tax Liabilities, Gross       $ 12,024,000,000 $ 11,233,000,000   $ 12,024,000,000   12,024,000,000
Increase in base rate revenues $ 560,000,000 $ 692,000,000              
SoBRA MW additions capacity | MW       894 894        
Regulatory return on common equity     10.60%            
Revised Regulatory Return On Common Equity             0.1080    
Revised Earned Regulatory ROE Threshold Below Which Retail Base Rate Relief May Be Sought             0.0980    
Revised Earned Regulatory ROE Threshold Above Which Retail Base Rate Reduction May Be Sought             0.1180    
The maximum amount by which depreciation expense could be reduced (reserve)                 $ 1,450,000,000
SolarTogether MW additions capacity | MW                 1,788
SolarTogether MW total capacity | MW       3,278          
Forecast [Member] | FPL                  
Accounting Policies [Line Items]                  
Earned regulatory ROE threshold below which retail base rate relief may be sought               9.95%  
Earned regulatory ROE threshold above which retail base rate reduction may be sought               11.95%  
Public Utilities, Requested Equity Capital Structure, Percentage               59.60%  
Time period after filing of a cost recovery petition that future storm restoration costs would be recoverable on an interim basis               60 days  
Maximum storm surcharge               $ 5  
Increment of usage in Kwh on which storm surcharge is based | kWh               1,000  
Cost of recovery, period               12 months  
Tariff Eligible Minimal Megawatt Threshold | MW               50  
Forecast [Member] | FPL | Minimum [Member]                  
Accounting Policies [Line Items]                  
Load Factor, Percent               0.85  
Forecast [Member] | FPL | 2026 Rate Agreement                  
Accounting Policies [Line Items]                  
Revenue requirement increase           $ 705,000,000   $ 945,000,000  
ROE midpoint               0.1095  
Forecast [Member] | FPL | 2025 Rate Agreement | Maximum [Member]                  
Accounting Policies [Line Items]                  
Deferred Tax Liabilities, Gross           $ 1,500,000,000   $ 1,500,000,000