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Consolidated Condensed Statements of Comprehensive Income - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Statement of Comprehensive Income [Abstract]        
Net income $ 842 $ 1,140 $ 2,255 $ 3,198
Other comprehensive income (loss) items:        
Gains (losses) on derivatives 1 (8) (10) (6)
Pension and postretirement gains (losses) 39 (7) 34 (19)
Other 0 0 1 (1)
Other comprehensive income (loss), net of tax 40 (15) 25 (26)
Comprehensive income 882 1,125 2,280 3,172
Less: Comprehensive income attributable to noncontrolling interest (12) (7) (31) (15)
Comprehensive income attributable to preferred and common stockholders $ 870 $ 1,118 $ 2,249 $ 3,157