v3.26.3
Equity (Earnings Per Share) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Reconciliation of basic and diluted earnings per share of common stock [Abstract]        
Net income attributable to NEE - basic $ 4,775 $ 2,438 $ 10,102 $ 5,300
Denominator:        
Weighted-average number of common shares outstanding – basic 2,089.2 2,064.6 2,085.1 2,059.0
Equity units, stock options, performance share awards, restricted stock and exchangeable notes 8.4 6.0 9.3 5.3
Weighted-average number of common shares outstanding – assuming dilution 2,097.6 2,070.6 2,094.4 2,064.3
Earnings per share attributable to NEE:        
Basic (in dollars per share) $ 2.29 $ 1.18 $ 4.84 $ 2.57
Assuming dilution (in dollars per share) $ 2.28 $ 1.18 $ 4.82 $ 2.57