v3.26.3
Variable Interest Entities (VIEs) (Details)
$ in Millions
 9 Months Ended 15 Months Ended
Sep. 30, 2026
USD ($)
variable_interest_entity
basisPoint
MW
Dec. 31, 2027
kW
Dec. 31, 2025
USD ($)
variable_interest_entity
Sep. 30, 2025
USD ($)
Variable Interest Entity [Line Items]        
Carrying amount of assets, consolidated variable interest entity $ 245,052.0   $ 212,721.0  
TOTAL LIABILITIES 170,710.0   146,242.0  
Investment in equity method investees 6,087.0   5,528.0  
Other variable interest entities [Member]        
Variable Interest Entity [Line Items]        
Investments in special purpose entities $ 7,220.0   6,592.0  
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member]        
Variable Interest Entity [Line Items]        
Total number of consolidated variable interest entities | variable_interest_entity 5      
Solar generating facility capability (in megawatts) | MW 280      
Carrying amount of assets, consolidated variable interest entity $ 503.0   506.0  
TOTAL LIABILITIES $ 98.0   148.0  
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Minimum        
Variable Interest Entity [Line Items]        
Ownership percentage 50.00%      
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Maximum        
Variable Interest Entity [Line Items]        
Ownership percentage 67.00%      
NextEra Energy Resources        
Variable Interest Entity [Line Items]        
Investment in equity method investees       $ 1,700.0
NextEra Energy Resources | Variable Interest Entities Wind and Solar PV Facilities [Member[        
Variable Interest Entity [Line Items]        
Ownership percentage 10.00%      
Wind electric generating facility capability (in megawatts) | MW 400      
Solar generating facility capability (in megawatts) | MW 599      
Carrying amount of assets, consolidated variable interest entity $ 1,270.0   1,301.0  
TOTAL LIABILITIES $ 76.0   $ 71.0  
NextEra Energy Resources | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member]        
Variable Interest Entity [Line Items]        
Total number of consolidated variable interest entities | variable_interest_entity 31   34  
Wind electric generating facility capability (in megawatts) | MW 11,303      
Solar generating facility capability (in megawatts) | MW 3,751      
Battery Storage Facility Capacity | MW 1,526      
Carrying amount of assets, consolidated variable interest entity $ 26,876.0   $ 28,768.0  
TOTAL LIABILITIES $ 901.0   1,485.0  
NextEra Energy Resources | Variable Interest Entities Wind, Solar and Battery Primary Beneficiary Project Minority Interests        
Variable Interest Entity [Line Items]        
Total number of consolidated variable interest entities | variable_interest_entity 5      
Wind electric generating facility capability (in megawatts) | MW 386      
Solar generating facility capability (in megawatts) | MW 274      
Battery Storage Facility Capacity | MW 200      
Carrying amount of assets, consolidated variable interest entity $ 4,253.0      
TOTAL LIABILITIES 571.0      
NextEra Energy Resources | Variable Interest Entities Wind, Solar and Battery Primary Beneficiary Project Minority Interests | Forecast        
Variable Interest Entity [Line Items]        
Solar generating facility capability (in megawatts) | kW   885    
Battery Storage Facility Capability | kW   1,198    
NextEra Energy Resources | Variable Interest Entity Solar Tax Credits Primary Beneficiary        
Variable Interest Entity [Line Items]        
Carrying amount of assets, consolidated variable interest entity 964.0      
TOTAL LIABILITIES 48.0      
Florida Power & Light Company        
Variable Interest Entity [Line Items]        
Carrying amount of assets, consolidated variable interest entity 113,888.0   105,158.0  
TOTAL LIABILITIES 62,508.0   58,172.0  
Florida Power & Light Company | Other variable interest entities [Member]        
Variable Interest Entity [Line Items]        
Investments in special purpose entities 5,468.0   5,075.0  
Subsidiaries of NEE        
Variable Interest Entity [Line Items]        
Investment in equity method investees $ 2,605.0   $ 2,525.0  
Number of variable interest entities with guarantees to obligations | basisPoint 1      
Commitments To Increase (Decrease) In Equity Method Investments $ 260.0