v3.26.1
Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Millions
 1 Months Ended 6 Months Ended 12 Months Ended
May 31, 2026
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Investment tax credit $ 15     $ 161
Investment tax credit, period       10 years
Investment tax credit, sold to external parties $ 14      
Location, Statement of Financial Position, Activity, Capitalization: us-gaap:OtherAssetsCurrent        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Investment tax credit   $ 16 $ 15  
Location, Statement of Financial Position, Activity, Capitalization: us-gaap:OtherAssetsNoncurrent        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Investment tax credit   $ 48 $ 64