XML 65 R46.htm IDEA: XBRL DOCUMENT v3.25.3
Non-Derivative Fair Value Measurements - Nonrecurring Fair Value Measurements (Details) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity method investment, impairment $ 700.0    
Impairment charge, net of tax 500.0    
Trading price (per share)   $ 9.50  
Investment in equity method investees $ 5,451.0   $ 6,118.0
NextEra Energy Resources      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity method investments, fair value   $ 1,000.0  
Investment in equity method investees   $ 1,700.0