Statements of Consolidated Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income	$ 2,131	$ 2,263	$ 7,340
Other comprehensive income (loss), net change related to:
Employee benefit plans, net of taxes	(195)	(313)	70
Fuel derivative financial instruments, net of taxes	1	316	182
Investments and other, net of taxes	(6)	(1)	(4)
Total other comprehensive income (loss), net	(200)	2	248
Total comprehensive income, net	1,931	2,265	7,588
United Airlines, Inc.
Net income	2,149	2,264	7,301
Other comprehensive income (loss), net change related to:
Employee benefit plans, net of taxes	(195)	(313)	70
Fuel derivative financial instruments, net of taxes	1	316	182
Investments and other, net of taxes	(6)	(1)	(4)
Total other comprehensive income (loss), net	(200)	2	248
Total comprehensive income, net	$ 1,949	$ 2,266	$ 7,549