Condensed Statements of Consolidated Cash Flows (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Cash Flows from Operating Activities:
Net cash provided by operating activities		$ 3,142	$ 1,476
Cash Flows from Investing Activities:
Capital expenditures, net of flight equipment purchase deposit returns		(1,843)	(402)
Purchases of short-term and other investments		(4,193)	(156)
Proceeds from sale of short-term and other investments		4,061	62
Proceeds from sale of property and equipment		1	66
Other, net		6	0
Net cash used in investing activities		(1,968)	(430)
Cash Flows from Financing Activities:
Proceeds from issuance of debt and other financing liabilities, net of discounts and fees		288	0
Payments of long-term debt, finance leases and other financing liabilities		(820)	(783)
Other, net		(31)	(73)
Net cash used in financing activities		(563)	(856)
Net increase in cash, cash equivalents and restricted cash		611	190
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]	8,032	18,723
Investing and Financing Activities Not Affecting Cash:
Property and equipment acquired through the issuance of debt, finance leases and other		200	0
Lease modifications and lease conversions		23	59
Right-of-use assets acquired through operating leases		295	68
Investment interests received in exchange for goods and services		$ 21	$ 42

[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$7,634 $18,468 Restricted cash — Current173 41 Restricted cash — Non-Current225 214 Total cash, cash equivalents and restricted cash $8,032 $18,723