Statements of Consolidated Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income (loss)	$ (1,964)	$ (7,069)	$ 3,009
Other comprehensive income (loss), net of tax:
Employee benefit plans	199	(421)	80
Investments and other	(2)	0	5
Total other comprehensive income (loss), net of tax	197	(421)	85
Total comprehensive income (loss), net	(1,767)	(7,490)	3,094
United Airlines, Inc.
Net income (loss)	(1,962)	(7,067)	3,011
Other comprehensive income (loss), net of tax:
Employee benefit plans	199	(421)	80
Investments and other	(2)	0	5
Total other comprehensive income (loss), net of tax	197	(421)	85
Total comprehensive income (loss), net	$ (1,765)	$ (7,488)	$ 3,096