Statements of Consolidated Comprehensive Income (Loss) (UA) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
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)
United Airlines, Inc.
Net income (loss)	739	(1,962)	(7,067)
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	$ 1,856	$ (1,765)	$ (7,488)