Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Net cash provided by operating activities		$ 1,651	$ 1,800
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(1,305)	(779)
Proceeds from sale of property and equipment and sale-leaseback transactions		359	22
Purchases of short-term investments		(570)	(1,252)
Sales of short-term investments		1,051	1,029
Decrease (increase) in restricted short-term investments		(1)	24
Other investing activities		(14)	0
Net cash used in investing activities		(480)	(956)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		400	236
Payments on long-term debt and finance leases		(849)	(568)
Deferred financing costs		(6)	(1)
Treasury stock repurchases		(608)	(461)
Dividend payments		(46)	(48)
Net cash used in financing activities		(1,109)	(842)
Net increase in cash and restricted cash		62	2
Cash and restricted cash at beginning of period		286	398
Cash and restricted cash at end of period	[1]	348	400
Operating leases
Operating leases		332	43
Finance leases		2	0
Supplemental information:
Interest paid, net		267	258
Income taxes paid		3	3
American Airlines, Inc. [Member]
Net cash provided by operating activities		956	1,263
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(1,263)	(762)
Proceeds from sale of property and equipment and sale-leaseback transactions		359	19
Purchases of short-term investments		(570)	(1,244)
Sales of short-term investments		1,051	1,029
Decrease (increase) in restricted short-term investments		(1)	24
Other investing activities		(14)	0
Net cash used in investing activities		(438)	(934)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		400	236
Payments on long-term debt and finance leases		(849)	(568)
Deferred financing costs		(6)	(1)
Net cash used in financing activities		(455)	(333)
Net increase in cash and restricted cash		63	(4)
Cash and restricted cash at beginning of period		276	390
Cash and restricted cash at end of period	[2]	339	386
Operating leases
Operating leases		332	36
Finance leases		2	0
Supplemental information:
Interest paid, net		256	246
Income taxes paid		$ 3	$ 3

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets:Cash$337 $297Restricted cash included in restricted cash and short-term investments11 103Total cash and restricted cash$348 $400

[2] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets:Cash$328 $283Restricted cash included in restricted cash and short-term investments11 103Total cash and restricted cash$339 $386