Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017
Net cash provided by operating activities		$ 2,804	$ 4,307
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(2,736)	(4,563)
Proceeds from sale of property and equipment and sale-leaseback transactions		860	831
Purchases of short-term investments		(2,590)	(4,093)
Sales of short-term investments		2,816	4,714
Decrease in restricted short-term investments		72	235
Purchase of equity investment		0	(203)
Other investing activities		(5)	0
Net cash used in investing activities		(1,583)	(3,079)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		2,149	2,160
Payments on long-term debt and capital leases		(2,442)	(1,813)
Deferred financing costs		(48)	(66)
Treasury stock repurchases		(837)	(1,372)
Dividend payments		(140)	(150)
Other financing activities		13	21
Net cash provided by (used in) financing activities		(1,305)	(1,220)
Net increase (decrease) in cash and restricted cash		(84)	8
Cash and restricted cash at beginning of period		398	436
Cash and restricted cash at end of period	[1]	314	444
Supplemental information:
Interest paid, net		801	778
Income taxes paid		16	15
American Airlines, Inc. [Member]
Net cash provided by operating activities		1,282	2,738
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(2,697)	(4,501)
Proceeds from sale of property and equipment and sale-leaseback transactions		855	816
Purchases of short-term investments		(2,582)	(4,093)
Sales of short-term investments		2,816	4,714
Decrease in restricted short-term investments		72	235
Purchase of equity investment		0	(203)
Other investing activities		(5)	0
Net cash used in investing activities		(1,541)	(3,032)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		2,149	2,160
Payments on long-term debt and capital leases		(1,942)	(1,813)
Deferred financing costs		(48)	(66)
Other financing activities		15	21
Net cash provided by (used in) financing activities		174	302
Net increase (decrease) in cash and restricted cash		(85)	8
Cash and restricted cash at beginning of period		390	424
Cash and restricted cash at end of period	[2]	305	432
Supplemental information:
Interest paid, net		741	718
Income taxes paid		$ 14	$ 13

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets:Cash$303 $340Restricted cash included in restricted cash and short-term investments11 104Total cash and restricted cash$314 $444

[2] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets:Cash$294 $328Restricted cash included in restricted cash and short-term investments11 104Total cash and restricted cash$305 $432