v3.26.3
Segment Information (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
segment
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Segment Reporting [Line Items]          
Number of Reportable Segments | segment     2    
Operating revenues $ 8,090 $ 7,966 $ 22,325 $ 20,912  
Fuel, purchased power and interchange 1,699 1,423 4,402 3,771  
Utilities Operating Expense, Maintenance and Operations 1,428 1,410 4,309 3,803  
Depreciation and amortization 1,651 2,096 4,780 4,964  
Taxes other than income taxes and other – net 713 653 2,008 1,877  
Interest expense (1,929) 1,153 (155) 3,987  
INCOME TAX EXPENSE (BENEFIT) 662 (250) 89 (1,027)  
Net income attributable to NEE $ 4,775 $ 2,438 $ 10,102 $ 5,300  
Deemed capital structure of NextEra Energy Resources 70.00% 70.00% 70.00% 70.00%  
Gains (losses) on disposal of businesses/assets – net $ 44 $ 143 $ 294 $ 197  
Equity in earnings (losses) of equity method investees 293 204 796 (266)  
Net loss attributable to noncontrolling interests 408 303 1,425 1,061  
Capital Expenditures Independent Power Investments And Nuclear Fuel Purchases     27,554 19,328  
Property, plant and equipment – net 177,078   177,078   $ 156,197
Total assets 245,052   245,052   212,721
Investment in equity method investees 6,087   6,087   5,528
Florida Power & Light Company          
Segment Reporting [Line Items]          
Operating revenues 5,421 5,285 14,588 13,989  
Fuel, purchased power and interchange 1,277 1,124 3,349 3,006  
Utilities Operating Expense, Maintenance and Operations 437 432 1,240 1,254  
Depreciation and amortization 875 1,385 2,568 2,873  
Taxes other than income taxes and other – net 597 547 1,644 1,543  
Interest expense 348 320 1,035 964  
INCOME TAX EXPENSE (BENEFIT) 329 52 432 431  
Electric utility plant and other property – net 87,409   87,409   81,755
Total assets 113,888   113,888   105,158
Operating Segments [Member]          
Segment Reporting [Line Items]          
Operating revenues 7,937 7,851 21,948 20,632  
Net income attributable to NEE 3,111 2,738 8,636 6,484  
Equity in earnings (losses) of equity method investees 293 195 795 (275)  
Net loss attributable to noncontrolling interests 408 303 1,425 1,061  
Capital Expenditures Independent Power Investments And Nuclear Fuel Purchases     27,545 19,323  
Property, plant and equipment – net 176,936   176,936   156,042
Total assets 236,928   236,928   208,686
Investment in equity method investees 6,067   6,067   5,509
Operating Segments [Member] | Florida Power & Light Company          
Segment Reporting [Line Items]          
Operating revenues 5,421 5,285      
Net income attributable to NEE 1,620        
Equity in earnings (losses) of equity method investees 0 0 0 0  
Net loss attributable to noncontrolling interests 0 0 0 0  
Capital Expenditures Independent Power Investments And Nuclear Fuel Purchases     8,322 6,859  
Electric utility plant and other property – net 87,409   87,409   81,755
Total assets 113,888   113,888   105,158
Investment in equity method investees 0   0   0
Operating Segments [Member] | Florida Power & Light Company | Florida Power & Light Company          
Segment Reporting [Line Items]          
Operating revenues     14,588 13,989  
Fuel, purchased power and interchange 1,277 1,124 3,349 3,006  
Utilities Operating Expense, Maintenance and Operations 437 432 1,240 1,254  
Depreciation and amortization 875 1,385 2,568 2,873  
Taxes other than income taxes and other – net 598 547 1,646 1,544  
Interest expense 348 320 1,035 964  
INCOME TAX EXPENSE (BENEFIT) 329 52 432 431  
Segment Reporting, Other Segment Item, Amount 63 38 175 137  
Net income attributable to NEE 1,620 1,463 4,493 4,054  
Operating Segments [Member] | NEER Segment          
Segment Reporting [Line Items]          
Operating revenues 2,516 2,566 7,360 6,643  
Fuel, purchased power and interchange 422 299 1,054 766  
Utilities Operating Expense, Maintenance and Operations 810 810 2,557 2,126  
Depreciation and amortization 761 695 2,164 2,043  
Taxes other than income taxes and other – net 114 103 358 328  
Interest expense (49) 405 785 1,367  
INCOME TAX EXPENSE (BENEFIT) (248) (205) (848) (1,073)  
Segment Reporting, Other Segment Item, Amount 785 816 2,853 1,344  
Net income attributable to NEE 1,491 1,275 4,143 2,430  
Equity in earnings (losses) of equity method investees 293 195 795 (275)  
Net loss attributable to noncontrolling interests 408 303 1,425 1,061  
Capital Expenditures Independent Power Investments And Nuclear Fuel Purchases     19,223 12,464  
Property, plant and equipment – net 89,527   89,527   74,287
Total assets 123,040   123,040   103,528
Investment in equity method investees 6,067   6,067   5,509
Corporate and Other [Member]          
Segment Reporting [Line Items]          
Operating revenues 153 115 377 280  
Net income attributable to NEE 1,664 (300) 1,466 (1,184)  
Equity in earnings (losses) of equity method investees 0 9 1 9  
Net loss attributable to noncontrolling interests 0 $ 0 0 0  
Capital Expenditures Independent Power Investments And Nuclear Fuel Purchases     9 $ 5  
Property, plant and equipment – net 142   142   155
Total assets 8,124   8,124   4,035
Investment in equity method investees $ 20   $ 20   $ 19