Statements of Consolidated Comprehensive Income (Loss) (UAH) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 737	$ (1,964)	$ (7,069)
Other comprehensive income (loss), net of tax:
Employee benefit plans	1,145	199	(421)
Investments and other	(28)	(2)	0
Total other comprehensive income (loss), net of tax	1,117	197	(421)
Total comprehensive income (loss), net	$ 1,854	$ (1,767)	$ (7,490)