Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Net cash provided by operating activities		$ 1,799	$ 2,250
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(779)	(1,714)
Proceeds from sale of property and equipment and other investments		22	32
Purchases of short-term investments		(1,252)	(1,922)
Sales of short-term investments		1,029	1,660
Decrease in restricted short-term investments		24	74
Net cash used in investing activities		(956)	(1,870)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		236	899
Payments on long-term debt and capital leases		(569)	(686)
Deferred financing costs		(1)	(31)
Treasury stock repurchases		(461)	(484)
Dividend payments		(48)	(51)
Other financing activities		2	4
Net cash used in financing activities		(841)	(349)
Net increase in cash and restricted cash		2	31
Cash and restricted cash at beginning of period		398	436
Cash and restricted cash at end of period	[1]	400	467
Supplemental information:
Interest paid, net		258	255
Income taxes paid		3	4
American Airlines, Inc. [Member]
Net cash provided by operating activities		1,262	1,696
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(762)	(1,695)
Proceeds from sale of property and equipment and other investments		19	31
Purchases of short-term investments		(1,244)	(1,920)
Sales of short-term investments		1,029	1,660
Decrease in restricted short-term investments		24	74
Net cash used in investing activities		(934)	(1,850)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		236	899
Payments on long-term debt and capital leases		(569)	(686)
Deferred financing costs		(1)	(31)
Other financing activities		2	4
Net cash used in financing activities		(332)	186
Net increase in cash and restricted cash		(4)	32
Cash and restricted cash at beginning of period		390	424
Cash and restricted cash at end of period	[2]	386	456
Supplemental information:
Interest paid, net		246	243
Income taxes paid		$ 3	$ 4

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets:Cash$297 $374Restricted cash included in restricted cash and short-term investments103 93Total cash and restricted cash$400 $467

[2] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets:Cash$283 $363Restricted cash included in restricted cash and short-term investments103 93Total cash and restricted cash$386 $456