Condensed Statements of Consolidated Cash Flows (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Cash Flows from Operating Activities:
Net cash provided by operating activities		$ 4,167	$ 3,122
Cash Flows from Investing Activities:
Capital expenditures, net of flight equipment purchase deposit returns		(952)	(1,305)
Purchases of short-term and other investments		(3,302)	0
Proceeds from sale of short-term and other investments		215	184
Proceeds from sale of property and equipment		138	13
Other, net		(13)	(2)
Net cash used in investing activities		(3,914)	(1,110)
Cash Flows from Financing Activities:
Proceeds from issuance of debt, net of discounts and fees		212	11,116
Proceeds from issuance of parent company stock		0	532
Payments of long-term debt, finance leases and other financing liabilities		(1,795)	(4,072)
Other, net		(71)	(22)
Net cash provided by (used in) financing activities		(1,654)	7,554
Net increase (decrease) in cash, cash equivalents and restricted cash		(1,401)	9,566
Cash, cash equivalents and restricted cash at beginning of the period		18,533	11,742
Cash, cash equivalents and restricted cash at end of the period	[1]	17,132	21,308
Investing and Financing Activities Not Affecting Cash:
Property and equipment acquired through the issuance of debt, finance leases and other		0	761
Lease modifications and lease conversions		82	59
Right-of-use assets acquired through operating leases		84	214
Equity investment interest received in exchange for aircraft		42	0
Notes receivable and warrants received for entering into agreements		2	139
United Airlines, Inc.
Cash Flows from Operating Activities:
Net cash provided by operating activities		4,096	3,101
Cash Flows from Investing Activities:
Capital expenditures, net of flight equipment purchase deposit returns		(952)	(1,305)
Purchases of short-term and other investments		(3,302)	0
Proceeds from sale of short-term and other investments		215	184
Proceeds from sale of property and equipment		138	13
Other, net		(13)	(2)
Net cash used in investing activities		(3,914)	(1,110)
Cash Flows from Financing Activities:
Proceeds from issuance of debt, net of discounts and fees		212	11,116
Proceeds from issuance of parent company stock		0	532
Payments of long-term debt, finance leases and other financing liabilities		(1,795)	(4,072)
Other, net		0	(1)
Net cash provided by (used in) financing activities		(1,583)	7,575
Net increase (decrease) in cash, cash equivalents and restricted cash		(1,401)	9,566
Cash, cash equivalents and restricted cash at beginning of the period		18,533	11,742
Cash, cash equivalents and restricted cash at end of the period	[2]	17,132	21,308
Investing and Financing Activities Not Affecting Cash:
Property and equipment acquired through the issuance of debt, finance leases and other		0	761
Lease modifications and lease conversions		82	59
Right-of-use assets acquired through operating leases		84	214
Equity investment interest received in exchange for aircraft		42	0
Notes receivable and warrants received for entering into agreements		$ 2	$ 139

[1] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the consolidated balance sheet: Current assets:Cash and cash equivalents$16,885 $20,838 Restricted cash — Current43 254 Restricted cash — Non-Current204 216 Total cash, cash equivalents and restricted cash $17,132 $21,308 

[2] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the consolidated balance sheet: Current assets:Cash and cash equivalents$16,885 $20,838 Restricted cash — Current43 254 Restricted cash — Non-Current204 216 Total cash, cash equivalents and restricted cash$17,132 $21,308