Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash	$ 297	$ 295
Short-term investments	4,994	4,771
Restricted cash and short-term investments	294	318
Accounts receivable, net	1,809	1,752
Aircraft fuel, spare parts and supplies, net	1,455	1,359
Prepaid expenses and other	824	651
Total current assets	9,673	9,146
Operating property and equipment
Flight equipment	40,662	40,318
Ground property and equipment	8,599	8,267
Equipment purchase deposits	1,231	1,217
Total property and equipment, at cost	50,492	49,802
Less accumulated depreciation and amortization	(16,159)	(15,646)
Total property and equipment, net	34,333	34,156
Other assets
Goodwill	4,091	4,091
Intangibles, net of accumulated amortization of $632 and $622, respectively	2,193	2,203
Deferred tax asset	1,581	1,816
Other assets	1,409	1,373
Total other assets	9,274	9,483
Total assets	53,280	52,785
Current liabilities
Current maturities of long-term debt and capital leases	2,793	2,554
Accounts payable	1,953	1,688
Accrued salaries and wages	1,178	1,672
Air traffic liability	5,549	4,042
Loyalty program liability	3,176	3,121
Other accrued liabilities	2,359	2,281
Total current liabilities	17,008	15,358
Noncurrent liabilities
Long-term debt and capital leases, net of current maturities	21,946	22,511
Pension and postretirement benefits	7,259	7,497
Loyalty program liability	5,610	5,701
Other liabilities	2,475	2,498
Total noncurrent liabilities	37,290	38,207
Commitments and contingencies
Stockholders’ equity (deficit)
Common stock	5	5
Additional paid-in capital	5,279	5,714
Accumulated other comprehensive loss	(5,172)	(5,154)
Accumulated deficit	(1,130)	(1,345)
Total stockholders’ deficit	(1,018)	(780)
Total liabilities and stockholders’ equity (deficit)	53,280	52,785
American Airlines, Inc. [Member]
Current assets
Cash	283	287
Short-term investments	4,984	4,768
Restricted cash and short-term investments	294	318
Accounts receivable, net	1,865	1,755
Receivables from related parties, net	9,405	8,822
Aircraft fuel, spare parts and supplies, net	1,387	1,294
Prepaid expenses and other	820	647
Total current assets	19,038	17,891
Operating property and equipment
Flight equipment	40,340	39,993
Ground property and equipment	8,329	8,006
Equipment purchase deposits	1,230	1,217
Total property and equipment, at cost	49,899	49,216
Less accumulated depreciation and amortization	(15,860)	(15,354)
Total property and equipment, net	34,039	33,862
Other assets
Goodwill	4,091	4,091
Intangibles, net of accumulated amortization of $632 and $622, respectively	2,193	2,203
Deferred tax asset	1,757	2,071
Other assets	1,309	1,283
Total other assets	9,350	9,648
Total assets	62,427	61,401
Current liabilities
Current maturities of long-term debt and capital leases	2,297	2,058
Accounts payable	1,884	1,625
Accrued salaries and wages	1,126	1,613
Air traffic liability	5,549	4,042
Loyalty program liability	3,176	3,121
Other accrued liabilities	2,266	2,209
Total current liabilities	16,298	14,668
Noncurrent liabilities
Long-term debt and capital leases, net of current maturities	20,669	21,236
Pension and postretirement benefits	7,214	7,452
Loyalty program liability	5,610	5,701
Other liabilities	2,429	2,456
Total noncurrent liabilities	35,922	36,845
Commitments and contingencies
Stockholders’ equity (deficit)
Common stock	0	0
Additional paid-in capital	16,740	16,716
Accumulated other comprehensive loss	(5,269)	(5,251)
Accumulated deficit	(1,264)	(1,577)
Total stockholders’ deficit	10,207	9,888
Total liabilities and stockholders’ equity (deficit)	$ 62,427	$ 61,401