v3.26.1
Commitment and Contingencies - Legal Proceedings (Details) - Pending Litigation - USD ($)
$ in Millions
1 Months Ended 6 Months Ended
Nov. 30, 2024
Jun. 30, 2026
Shareholder Securities Class Action    
Loss Contingencies [Line Items]    
Litigation settlement, amount awarded to other party   $ 150
Avangrid, Inc. et al. v. NextEra Energy, Inc.    
Loss Contingencies [Line Items]    
Damages sought $ 350  
Shareholder Derivative Actions    
Loss Contingencies [Line Items]    
Amount awarded   $ 16