Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017
Net cash provided by operating activities		$ 2,883	$ 3,938
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(1,731)	(3,194)
Proceeds from sale of property and equipment and sale-leaseback transactions		258	313
Purchases of short-term investments		(1,184)	(3,829)
Sales of short-term investments		1,579	3,373
Decrease in restricted short-term investments		43	73
Net cash used in investing activities		(1,035)	(3,264)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		892	1,625
Payments on long-term debt and capital leases		(1,885)	(1,101)
Deferred financing costs		(28)	(39)
Treasury stock repurchases		(837)	(1,013)
Dividend payments		(94)	(102)
Other financing activities		11	9
Net cash used in financing activities		(1,941)	(621)
Net increase (decrease) in cash and restricted cash		(93)	53
Cash and restricted cash at beginning of period		398	436
Cash and restricted cash at end of period	[1]	305	489
Supplemental information:
Interest paid, net		542	516
Income taxes paid		13	9
American Airlines, Inc. [Member]
Net cash provided by operating activities		1,415	2,787
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(1,703)	(3,163)
Proceeds from sale of property and equipment and sale-leaseback transactions		255	312
Purchases of short-term investments		(1,176)	(3,829)
Sales of short-term investments		1,579	3,373
Decrease in restricted short-term investments		43	73
Net cash used in investing activities		(1,002)	(3,234)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		892	1,625
Payments on long-term debt and capital leases		(1,385)	(1,101)
Deferred financing costs		(28)	(39)
Other financing activities		12	9
Net cash used in financing activities		(509)	494
Net increase (decrease) in cash and restricted cash		(96)	47
Cash and restricted cash at beginning of period		390	424
Cash and restricted cash at end of period	[2]	294	471
Supplemental information:
Interest paid, net		493	468
Income taxes paid		$ 12	$ 9

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets:Cash$293 $386Restricted cash included in restricted cash and short-term investments12 103Total cash and restricted cash$305 $489

[2] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets:Cash$282 $368Restricted cash included in restricted cash and short-term investments12 103Total cash and restricted cash$294 $471