Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash	$ 295	$ 322
Short-term investments	4,771	6,037
Restricted cash and short-term investments	318	638
Accounts receivable, net	1,752	1,594
Aircraft fuel, spare parts and supplies, net	1,359	1,094
Prepaid expenses and other	651	639
Total current assets	9,146	10,324
Operating property and equipment
Flight equipment	40,318	37,028
Ground property and equipment	8,267	7,116
Equipment purchase deposits	1,217	1,209
Total property and equipment, at cost	49,802	45,353
Less accumulated depreciation and amortization	(15,646)	(14,194)
Total property and equipment, net	34,156	31,159
Other assets
Goodwill	4,091	4,091
Intangibles, net of accumulated amortization of $622 and $578, respectively	2,203	2,173
Deferred tax asset	427	1,498
Other assets	1,373	2,029
Total other assets	8,094	9,791
Total assets	51,396	51,274
Current liabilities
Current maturities of long-term debt and capital leases	2,554	1,855
Accounts payable	1,688	1,592
Accrued salaries and wages	1,672	1,516
Air traffic liability	3,978	3,912
Loyalty program liability	2,791	2,789
Other accrued liabilities	2,281	2,208
Total current liabilities	14,964	13,872
Noncurrent liabilities
Long-term debt and capital leases, net of current maturities	22,511	22,489
Pension and postretirement benefits	7,497	7,842
Other liabilities	2,498	3,286
Total noncurrent liabilities	32,506	33,617
Commitments and contingencies
Stockholders’ equity
Common stock	5	5
Additional paid-in capital	5,714	7,223
Accumulated other comprehensive loss	(5,154)	(5,083)
Retained earnings	3,361	1,640
Total stockholders’ equity	3,926	3,785
Total liabilities and stockholders’ equity	51,396	51,274
American Airlines, Inc. [Member]
Current assets
Cash	287	310
Short-term investments	4,768	6,034
Restricted cash and short-term investments	318	638
Accounts receivable, net	1,755	1,599
Receivables from related parties, net	8,822	6,810
Aircraft fuel, spare parts and supplies, net	1,294	1,032
Prepaid expenses and other	647	633
Total current assets	17,891	17,056
Operating property and equipment
Flight equipment	39,993	36,671
Ground property and equipment	8,006	6,910
Equipment purchase deposits	1,217	1,209
Total property and equipment, at cost	49,216	44,790
Less accumulated depreciation and amortization	(15,354)	(13,909)
Total property and equipment, net	33,862	30,881
Other assets
Goodwill	4,091	4,091
Intangibles, net of accumulated amortization of $622 and $578, respectively	2,203	2,173
Deferred tax asset	682	1,912
Other assets	1,283	1,979
Total other assets	8,259	10,155
Total assets	60,012	58,092
Current liabilities
Current maturities of long-term debt and capital leases	2,058	1,859
Accounts payable	1,625	1,546
Accrued salaries and wages	1,613	1,460
Air traffic liability	3,978	3,912
Loyalty program liability	2,791	2,789
Other accrued liabilities	2,209	2,106
Total current liabilities	14,274	13,672
Noncurrent liabilities
Long-term debt and capital leases, net of current maturities	21,236	20,718
Pension and postretirement benefits	7,452	7,800
Other liabilities	2,456	3,253
Total noncurrent liabilities	31,144	31,771
Commitments and contingencies
Stockholders’ equity
Common stock	0	0
Additional paid-in capital	16,716	16,624
Accumulated other comprehensive loss	(5,251)	(5,182)
Retained earnings	3,129	1,207
Total stockholders’ equity	14,594	12,649
Total liabilities and stockholders’ equity	$ 60,012	$ 58,092