Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Net cash provided by operating activities	$ 2,637	$ 1,870
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits	(2,678)	(1,804)
Increase in short-term investments	(138)	(2,194)
Decrease (increase) in restricted cash and short-term investments	153	(13)
Net proceeds from slot transaction	307	0
Funds transferred to affiliates	0
Proceeds from sale of property and equipment	9	26
Net cash used in investing activities	(2,347)	(3,985)
Cash flows from financing activities:
Payments on long-term debt and capital leases	(1,145)	(551)
Proceeds from issuance of long-term debt	534	1,684
Exercise of stock options	9	0
Deferred financing costs	(7)	(30)
Sale-leaseback transactions	411	1,132
Treasury stock repurchases	(28)	0
Funds transferred to affiliates	0
Other financing activities	6	4
Net cash used in financing activities	(220)	2,239
Net increase (decrease) in cash	70	124
Cash at beginning of period	1,140	480
Cash at end of period	1,210	604
Non-cash investing and financing activities:
Settlement of bankruptcy obligations	5,362	0
Capital lease obligations	361	0
Supplemental information:
Interest paid, net of amounts capitalized	367	190
Income tax paid	5	6
AA [Member]
Net cash provided by operating activities	1,683	1,855
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits	(1,828)	(1,799)
Increase in short-term investments	340	(2,196)
Decrease (increase) in restricted cash and short-term investments	52	(13)
Net proceeds from slot transaction	299	0
Funds transferred to affiliates	(198)	0
Proceeds from sale of property and equipment	7	22
Net cash used in investing activities	(1,328)	(3,986)
Cash flows from financing activities:
Payments on long-term debt and capital leases	(655)	(551)
Proceeds from issuance of long-term debt	53	1,684
Exercise of stock options	0
Deferred financing costs	(5)	(30)
Sale-leaseback transactions	411	1,132
Treasury stock repurchases	(7)	0
Funds transferred to affiliates	0	16
Other financing activities	0	5
Net cash used in financing activities	(203)	2,256
Net increase (decrease) in cash	152	125
Cash at beginning of period	829	474
Cash at end of period	981	599
Non-cash investing and financing activities:
Settlement of bankruptcy obligations	4,998	0
Capital lease obligations	361	0
Supplemental information:
Interest paid, net of amounts capitalized	226	190
Income tax paid	$ 3	$ 5