v3.26.1
Equity (Earnings Per Share) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Reconciliation of basic and diluted earnings per share of common stock [Abstract]        
Net income attributable to NEE - basic $ 3,144 $ 2,028 $ 5,326 $ 2,862
Denominator:        
Weighted-average number of common shares outstanding – basic 2,083.5 2,056.7 2,083.0 2,056.1
Equity units, stock options, performance share awards, restricted stock and exchangeable notes 9.9 4.6 9.9 4.9
Weighted-average number of common shares outstanding – assuming dilution 2,093.4 2,061.3 2,092.9 2,061.0
Earnings per share attributable to NEE:        
Basic (in dollars per share) $ 1.51 $ 0.99 $ 2.56 $ 1.39
Assuming dilution (in dollars per share) $ 1.50 $ 0.98 $ 2.54 $ 1.39