Condensed Statements of Consolidated Cash Flows (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022
Cash Flows from Operating Activities:
Net cash provided by operating activities		$ 6,941	$ 4,167
Cash Flows from Investing Activities:
Capital expenditures, net of flight equipment purchase deposit returns		(3,263)	(952)
Purchases of short-term and other investments		(6,876)	(3,302)
Proceeds from sale of short-term and other investments		6,702	215
Proceeds from sale of property and equipment		9	138
Other, net		1	(13)
Net cash used in investing activities		(3,427)	(3,914)
Cash Flows from Financing Activities:
Proceeds from issuance of debt and other financing liabilities, net of discounts and fees		1,591	212
Payments of long-term debt, finance leases and other financing liabilities		(2,614)	(1,795)
Other, net		(31)	(71)
Net cash used in financing activities		(1,054)	(1,654)
Net increase (decrease) in cash, cash equivalents and restricted cash		2,460	(1,401)
Cash, cash equivalents and restricted cash at beginning of the period		7,421	18,533
Cash, cash equivalents and restricted cash at end of the period	[1]	9,881	17,132
Investing and Financing Activities Not Affecting Cash:
Property and equipment acquired through the issuance of debt, finance leases and other		559	0
Right-of-use assets acquired through operating leases		434	84
Lease modifications and lease conversions		349	82
Investment interests received in exchange for goods and services		25	44
United Airlines, Inc.
Cash Flows from Operating Activities:
Net cash provided by operating activities		6,910	4,096
Cash Flows from Investing Activities:
Capital expenditures, net of flight equipment purchase deposit returns		(3,263)	(952)
Purchases of short-term and other investments		(6,876)	(3,302)
Proceeds from sale of short-term and other investments		6,702	215
Proceeds from sale of property and equipment		9	138
Other, net		1	(13)
Net cash used in investing activities		(3,427)	(3,914)
Cash Flows from Financing Activities:
Proceeds from issuance of debt and other financing liabilities, net of discounts and fees		1,591	212
Payments of long-term debt, finance leases and other financing liabilities		(2,614)	(1,795)
Other, net		0	0
Net cash used in financing activities		(1,023)	(1,583)
Net increase (decrease) in cash, cash equivalents and restricted cash		2,460	(1,401)
Cash, cash equivalents and restricted cash at beginning of the period		7,421	18,533
Cash, cash equivalents and restricted cash at end of the period	[2]	9,881	17,132
Investing and Financing Activities Not Affecting Cash:
Property and equipment acquired through the issuance of debt, finance leases and other		559	0
Right-of-use assets acquired through operating leases		434	84
Lease modifications and lease conversions		349	82
Investment interests received in exchange for goods and services		$ 25	$ 44

[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$9,605 $16,885 Restricted cash — Current38 43 Restricted cash — Non-Current238 204 Total cash, cash equivalents and restricted cash $9,881 $17,132 

[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$9,605 $16,885 Restricted cash — Current38 43 Restricted cash — Non-Current238 204 Total cash, cash equivalents and restricted cash$9,881 $17,132