Condensed Statements of Consolidated Cash Flows (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
Cash Flows from Operating Activities:
Net cash provided by operating activities		$ 4,908	$ 2,336
Cash Flows from Investing Activities:
Capital expenditures, net of flight equipment purchase deposit returns		(2,280)	(1,571)
Purchases of short-term and other investments		(8,384)	(47)
Proceeds from sale of short-term and other investments		1,061	271
Proceeds from sale of property and equipment		184	25
Other, net		(23)	(2)
Net cash used in investing activities		(9,442)	(1,324)
Cash Flows from Financing Activities:
Proceeds from issuance of debt, net of discounts and fees		210	11,098
Proceeds from issuance of parent company stock		0	532
Payments of long-term debt, finance leases and other financing liabilities		(2,605)	(4,632)
Other, net		(77)	(27)
Net cash provided by (used in) financing activities		(2,472)	6,971
Net increase (decrease) in cash, cash equivalents and restricted cash		(7,006)	7,983
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]	11,527	19,725
Investing and Financing Activities Not Affecting Cash:
Property and equipment acquired through the issuance of debt, finance leases and other		0	801
Lease modifications and lease conversions		61	111
Right-of-use assets acquired through operating leases		98	627
Investment interests received in exchange for goods and services		93	129
United Airlines, Inc.
Cash Flows from Operating Activities:
Net cash provided by operating activities		4,834	2,309
Cash Flows from Investing Activities:
Capital expenditures, net of flight equipment purchase deposit returns		(2,280)	(1,571)
Purchases of short-term and other investments		(8,384)	(47)
Proceeds from sale of short-term and other investments		1,061	271
Proceeds from sale of property and equipment		184	25
Other, net		(23)	(2)
Net cash used in investing activities		(9,442)	(1,324)
Cash Flows from Financing Activities:
Proceeds from issuance of debt, net of discounts and fees		210	11,098
Proceeds from issuance of parent company stock		0	532
Payments of long-term debt, finance leases and other financing liabilities		(2,605)	(4,632)
Other, net		(3)	0
Net cash provided by (used in) financing activities		(2,398)	6,998
Net increase (decrease) in cash, cash equivalents and restricted cash		(7,006)	7,983
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]	11,527	19,725
Investing and Financing Activities Not Affecting Cash:
Property and equipment acquired through the issuance of debt, finance leases and other		0	801
Lease modifications and lease conversions		61	111
Right-of-use assets acquired through operating leases		98	627
Investment interests received in exchange for goods and services		$ 93	$ 129

[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$11,258 $19,256 Restricted cash — Current61 254 Restricted cash — Non-Current208 215 Total cash, cash equivalents and restricted cash $11,527 $19,725 

[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$11,258 $19,256 Restricted cash — Current61 254 Restricted cash — Non-Current208 215 Total cash, cash equivalents and restricted cash$11,527 $19,725