v3.26.1
Summary of Significant Accounting and Reporting Policies - Noncontrolling Interests (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Balances, beginning of period     $ 7,709  
Beginning balance $ 10,733 $ 12,554 10,899 $ 12,866
Net income (loss) attributable to noncontrolling interests (25) (43) (106) (273)
Related party contributions 45 1 54 5
Distributions, primarily to related parties (10) (21) (35) (42)
Changes in non-economic ownership interests   (309)   (309)
Buyout of differential membership investors   (28) (141) (48)
Payments to Class B noncontrolling interest investors (13) (17) (33) (38)
Other – net 5   4 (1)
Buyout of Class B noncontrolling interest investors (158) (931) (158) (931)
Ending balance 10,610 11,271 10,610 11,271
Balances, end of period 7,373   7,373  
Class B Noncontrolling Membership Interests        
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Balances, beginning of period 3,417 4,429 3,384 4,376
Net income (loss) attributable to noncontrolling interests 53 60 107 134
Payments to Class B noncontrolling interest investors (13) (17) (33) (38)
Other – net 0   (1)  
Buyout of Class B noncontrolling interest investors (149) (931) (149) (931)
Balances, end of period 3,308 3,541 3,308 3,541
Differential Membership Interests        
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Balances, beginning of period 2,640 3,317 2,835 3,457
Net income (loss) attributable to noncontrolling interests (157) (195) (314) (388)
Distributions, primarily to related parties 0 0    
Differential membership investment contributions, net of distributions (6) (15) 54 59
Buyout of differential membership investors   (21) (99) (42)
Other – net 1   2  
Balances, end of period 2,478 3,086 2,478 3,086
NEE's Indirect Noncontrolling Ownership Interests        
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Balances, beginning of period 479 416 502 549
Net income (loss) attributable to noncontrolling interests 55 67 57 (66)
Related party contributions 45 1 54 5
Distributions, primarily to related parties (8) (10) (19) (15)
Differential membership investment contributions, net of distributions 0   0  
Buyout of differential membership investors   (4) (21) (3)
Other – net 0   (2)  
Buyout of Class B noncontrolling interest investors 0   0  
Balances, end of period 571 470 571 470
Other Noncontrolling Ownership Interests(b)        
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Balances, beginning of period 994 1,275 988 1,269
Net income (loss) attributable to noncontrolling interests 24 25 44 47
Related party contributions   0    
Distributions, primarily to related parties (2) (11) (16) (27)
Changes in non-economic ownership interests   (309)   (309)
Other – net 0   0  
Balances, end of period 1,016 980 1,016 980
Noncontrolling Interests        
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Beginning balance 7,530 9,437 7,709 9,651
Net income (loss) attributable to noncontrolling interests (25) (43) (106) (273)
Related party contributions 45 1 54 5
Distributions, primarily to related parties (10) (21) (35) (42)
Changes in non-economic ownership interests   (309)   (309)
Differential membership investment contributions, net of distributions (6) (15) 54 59
Buyout of differential membership investors   (25) (120) (45)
Payments to Class B noncontrolling interest investors (13) (17) (33) (38)
Other – net 1   (1)  
Buyout of Class B noncontrolling interest investors (149) (931) (149) (931)
Ending balance $ 7,373 $ 8,077 $ 7,373 $ 8,077