Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets
Cash	$ 337	$ 275
Short-term investments	4,012	4,485
Restricted cash and short-term investments	156	154
Accounts receivable, net	1,876	1,706
Aircraft fuel, spare parts and supplies, net	1,666	1,522
Prepaid expenses and other	607	495
Total current assets	8,654	8,637
Operating property and equipment
Flight equipment	42,013	41,499
Ground property and equipment	8,932	8,764
Equipment purchase deposits	1,211	1,278
Total property and equipment, at cost	52,156	51,541
Less accumulated depreciation and amortization	(17,746)	(17,443)
Total property and equipment, net	34,410	34,098
Operating lease right-of-use assets	9,124	9,151
Other assets
Goodwill	4,091	4,091
Intangibles, net of accumulated amortization of $673 and $663, respectively	2,115	2,137
Deferred tax asset	1,007	1,145
Other assets	1,386	1,321
Total other assets	8,599	8,694
Total assets	60,787	60,580
Current liabilities
Current maturities of long-term debt and finance leases	3,370	3,294
Accounts payable	2,139	1,773
Accrued salaries and wages	1,217	1,427
Operating lease liabilities	1,629	1,654
Other accrued liabilities	2,210	2,342
Total current liabilities	19,849	18,096
Noncurrent liabilities
Long-term debt and finance leases, net of current maturities	20,660	21,179
Pension and postretirement benefits	6,519	6,907
Loyalty program liability	5,214	5,272
Operating lease liabilities	7,785	7,902
Other liabilities	1,396	1,393
Total noncurrent liabilities	41,574	42,653
Commitments and contingencies
Stockholders’ equity (deficit)
Common stock	5	5
Additional paid-in capital	4,371	4,964
Accumulated other comprehensive loss	(5,909)	(5,896)
Retained earnings	897	758
Total stockholders’ deficit	(636)	(169)
Total liabilities and stockholders’ equity (deficit)	60,787	60,580
Air traffic liability [Member]
Current liabilities
Deferred revenue, current	5,930	4,339
Loyalty program liability [Member]
Current liabilities
Deferred revenue, current	3,354	3,267
American Airlines, Inc. [Member]
Current assets
Cash	328	265
Short-term investments	4,010	4,482
Restricted cash and short-term investments	156	154
Accounts receivable, net	1,953	1,755
Receivables from related parties, net	11,422	10,666
Aircraft fuel, spare parts and supplies, net	1,584	1,442
Prepaid expenses and other	601	493
Total current assets	20,054	19,257
Operating property and equipment
Flight equipment	41,678	41,180
Ground property and equipment	8,612	8,466
Equipment purchase deposits	1,211	1,277
Total property and equipment, at cost	51,501	50,923
Less accumulated depreciation and amortization	(17,418)	(17,123)
Total property and equipment, net	34,083	33,800
Operating lease right-of-use assets	9,070	9,094
Other assets
Goodwill	4,091	4,091
Intangibles, net of accumulated amortization of $673 and $663, respectively	2,115	2,137
Deferred tax asset	1,100	1,280
Other assets	1,284	1,219
Total other assets	8,590	8,727
Total assets	71,797	70,878
Current liabilities
Current maturities of long-term debt and finance leases	2,122	2,547
Accounts payable	2,070	1,707
Accrued salaries and wages	1,165	1,363
Operating lease liabilities	1,615	1,639
Other accrued liabilities	2,119	2,259
Total current liabilities	18,375	17,121
Noncurrent liabilities
Long-term debt and finance leases, net of current maturities	20,631	20,650
Pension and postretirement benefits	6,475	6,863
Loyalty program liability	5,214	5,272
Operating lease liabilities	7,743	7,857
Other liabilities	1,347	1,345
Total noncurrent liabilities	41,410	41,987
Commitments and contingencies
Stockholders’ equity (deficit)
Common stock	0	0
Additional paid-in capital	16,827	16,802
Accumulated other comprehensive loss	(6,005)	(5,992)
Retained earnings	1,190	960
Total stockholders’ deficit	12,012	11,770
Total liabilities and stockholders’ equity (deficit)	71,797	70,878
American Airlines, Inc. [Member] | Air traffic liability [Member]
Current liabilities
Deferred revenue, current	5,930	4,339
American Airlines, Inc. [Member] | Loyalty program liability [Member]
Current liabilities
Deferred revenue, current	$ 3,354	$ 3,267