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STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (UAH) - 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 $ 949 $ 965 $ 2,309 $ 2,164
Other comprehensive income (loss), net of tax:        
Employee benefit plans (23) (24) (72) (58)
Investments and other 4 12 8 11
Total other comprehensive loss, net of tax (19) (12) (64) (47)
Total comprehensive income, net $ 930 $ 953 $ 2,245 $ 2,117