Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020
Net cash provided by (used in) operating activities		$ 1,904	$ (3,680)
Cash flows from investing activities:
Capital expenditures, net of aircraft purchase deposit returns		(25)	(1,810)
Proceeds from sale-leaseback transactions		168	433
Proceeds from sale of property and equipment		181	251
Purchases of short-term investments		(15,159)	(7,086)
Sales of short-term investments		7,540	2,603
Increase in restricted short-term investments		(330)	(317)
Other investing activities		(96)	(112)
Net cash used in investing activities		(7,721)	(6,038)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		12,096	11,564
Payments on long-term debt and finance leases		(6,639)	(3,018)
Proceeds from issuance of equity		460	1,527
Deferred financing costs		(176)	(132)
Treasury stock repurchases and shares withheld for taxes pursuant to employee stock plans		(13)	(173)
Dividend payments		0	(43)
Other financing activities		121	0
Net cash provided by financing activities		5,849	9,725
Net increase in cash and restricted cash		32	7
Cash and restricted cash at beginning of period		399	290
Cash and restricted cash at end of period	[1]	431	297
Non-cash transactions:
Right-of-use (ROU) assets acquired through operating leases		914	468
Property and equipment acquired through finance leases		127	0
Operating lease conversion to finance lease		102	0
Settlement of bankruptcy obligations		0	56
Deferred financing costs paid through issuance of debt		0	17
Supplemental information:
Interest paid, net		1,306	715
Income taxes paid		2	2
American Airlines, Inc.
Net cash provided by (used in) operating activities		4,392	(90)
Cash flows from investing activities:
Capital expenditures, net of aircraft purchase deposit returns		(1)	(1,781)
Proceeds from sale-leaseback transactions		168	433
Proceeds from sale of property and equipment		181	251
Purchases of short-term investments		(15,145)	(7,086)
Sales of short-term investments		7,540	2,603
Increase in restricted short-term investments		(330)	(317)
Other investing activities		(96)	(112)
Net cash used in investing activities		(7,683)	(6,009)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		10,115	8,743
Payments on long-term debt and finance leases		(6,615)	(2,512)
Deferred financing costs		(174)	(122)
Net cash provided by financing activities		3,326	6,109
Net increase in cash and restricted cash		35	10
Cash and restricted cash at beginning of period		385	277
Cash and restricted cash at end of period	[2]	420	287
Non-cash transactions:
Right-of-use (ROU) assets acquired through operating leases		909	459
Property and equipment acquired through finance leases		127	0
Operating lease conversion to finance lease		102	0
Settlement of bankruptcy obligations		0	56
Deferred financing costs paid through issuance of debt		0	17
Supplemental information:
Interest paid, net		1,174	668
Income taxes paid		$ 1	$ 2

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets: Cash$293 $253 Restricted cash included in restricted cash and short-term investments138 44 Total cash and restricted cash$431 $297 

[2] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets: Cash$282 $243 Restricted cash included in restricted cash and short-term investments138 44 Total cash and restricted cash$420 $287