Condensed Consolidated Statements of Cash Flows - American Airlines, Inc. - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Net cash provided by operating activities		$ 1,185	$ 174
Cash flows from investing activities:
Capital expenditures, net of aircraft purchase deposit returns		(807)	19
Airport construction projects, net of reimbursements		(62)	(42)
Proceeds from sale of property and equipment		8	108
Proceeds from sale-leaseback transactions		0	99
Sales of short-term investments		7,089	1,415
Purchases of short-term investments		(7,035)	(8,557)
Decrease (increase) in restricted short-term investments		36	(194)
Net cash used in investing activities		(771)	(7,152)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		367	10,861
Payments on long-term debt and finance leases		(661)	(4,054)
Deferred financing costs		0	(162)
Net cash provided by (used in) financing activities		(310)	7,013
Net increase in cash and restricted cash		104	35
Cash and restricted cash at beginning of period		408	399
Cash and restricted cash at end of period	[1]	512	434
Non-cash transactions:
Right-of-use (ROU) assets acquired through operating leases		313	359
Property and equipment acquired through finance leases		58	22
Supplemental information:
Interest paid, net		566	479
American Airlines, Inc.
Net cash provided by operating activities		810	1,428
Cash flows from investing activities:
Capital expenditures, net of aircraft purchase deposit returns		(790)	24
Airport construction projects, net of reimbursements		(62)	(42)
Proceeds from sale of property and equipment		8	108
Proceeds from sale-leaseback transactions		0	99
Sales of short-term investments		7,089	1,415
Purchases of short-term investments		(7,022)	(8,545)
Decrease (increase) in restricted short-term investments		36	(194)
Net cash used in investing activities		(741)	(7,135)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		367	9,965
Payments on long-term debt and finance leases		(339)	(4,054)
Deferred financing costs		0	(162)
Net cash provided by (used in) financing activities		28	5,749
Net increase in cash and restricted cash		97	42
Cash and restricted cash at beginning of period		400	385
Cash and restricted cash at end of period	[2]	497	427
Non-cash transactions:
Right-of-use (ROU) assets acquired through operating leases		284	358
Property and equipment acquired through finance leases		58	22
Supplemental information:
Interest paid, net		$ 502	$ 426

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets: Cash$376 $277 Restricted cash included in restricted cash and short-term investments136 157 Total cash and restricted cash$512 $434 

[2] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets: Cash$361 $270 Restricted cash included in restricted cash and short-term investments136 157 Total cash and restricted cash$497 $427