v3.26.1
Summary of Significant Accounting Policies and Other Matters - Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accounting Policies [Abstract]        
Net income for common stock $ 308 $ 246 $ 1,232 $ 1,038
Weighted average common shares outstanding – basic (shares) 368.8 360.4 365.6 354.5
Add: Incremental shares attributable to effect of potentially dilutive securities (shares) 1.2 1.3 1.2 1.3
Adjusted weighted average common shares outstanding – diluted (shares) 370.0 361.7 366.8 355.8
Net income per common share - basic (dollars per share) $ 0.83 $ 0.68 $ 3.37 $ 2.93
Net income per common share - diluted (dollars per share) $ 0.83 $ 0.68 $ 3.36 $ 2.92