v3.26.1
Debt - Narrative (Details) - NEE Equity Units March 2026
 1 Months Ended
Mar. 31, 2026
USD ($)
$ / shares
shares
Debt Instrument [Line Items]  
Amount of equity units sold | $ $ 2,300,000,000
Stated amount of each equity unit (in dollars per share) | $ / shares $ 50
Number of shares (subject to antidilution adjustments) if purchased on final settlement date at less than or equal to low range threshold (in shares) | shares 0.5435
Number of shares (subject to antidilution adjustments) if purchased on the final settlement date at equal to or greater than high range threshold (in shares) | shares 0.4348
Trading period (in days) over which the market value is determined by reference to the average closing prices of the common stock 20 days
Rate of total annual distributions on equity units (in thousandths) 7.375%
Rate of payments on stock purchase contracts (in thousandths) 3.375%
Minimum  
Debt Instrument [Line Items]  
Price per share of stock purchase contract (in dollars per share) | $ / shares $ 91.99
Maximum  
Debt Instrument [Line Items]  
Price per share of stock purchase contract (in dollars per share) | $ / shares $ 115.00
Series P Debentures Due 2031  
Debt Instrument [Line Items]  
Undivided beneficial ownership interest per debenture (in hundredths) 2.50%
Principal amount of each debenture | $ $ 1,000
Interest rate (as a percent) 4.00%
Series Q Debenture Due 2034  
Debt Instrument [Line Items]  
Undivided beneficial ownership interest per debenture (in hundredths) 2.50%
Principal amount of each debenture | $ $ 1,000
Interest rate (as a percent) 4.00%