Consolidated Balance Sheets - American Airlines, Inc. - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Assets, Current [Abstract]
Cash	$ 804	$ 578
Short-term investments	6,180	7,000
Restricted cash and short-term investments	732	910
Accounts receivable, net	2,006	2,026
Aircraft fuel, spare parts and supplies, net	2,638	2,400
Prepaid expenses and other	794	658
Total current assets	13,154	13,572
Operating property and equipment
Flight equipment	43,521	41,794
Ground property and equipment	10,202	10,307
Equipment purchase deposits	1,012	760
Total property and equipment, at cost	54,735	52,861
Less accumulated depreciation and amortization	(23,608)	(22,097)
Total property and equipment, net	31,127	30,764
Operating lease right-of-use assets	7,333	7,939
Other assets
Goodwill	4,091	4,091
Intangibles, net of accumulated amortization of $841 and $834, respectively	2,044	2,051
Deferred tax asset	2,485	2,888
Other assets	1,549	1,753
Total other assets	10,169	10,783
Total assets	61,783	63,058
Current liabilities
Current maturities of long-term debt and finance leases	5,322	3,632
Accounts payable	2,455	2,353
Accrued salaries and wages	2,150	2,377
Operating lease liabilities	1,092	1,309
Other accrued liabilities	2,961	2,738
Total current liabilities	24,295	22,062
Noncurrent liabilities
Long-term debt and finance leases, net of current maturities	25,154	29,270
Pension and postretirement benefits	2,128	3,044
Loyalty program liability	6,498	5,874
Operating lease liabilities	5,976	6,452
Other liabilities	1,709	1,558
Total noncurrent liabilities	41,465	46,198
Commitments and contingencies
Stockholders’ equity (deficit)
Common stock, $0.01 par value; 1,750,000,000 shares authorized, 657,566,166 shares issued and outstanding at December 31, 2024; 654,273,192 shares issued and outstanding at December 31, 2023	7	7
Additional paid-in capital	7,424	7,374
Accumulated other comprehensive loss	(4,565)	(4,894)
Retained deficit	(6,843)	(7,689)
Total stockholders’ deficit	(3,977)	(5,202)
Total liabilities and stockholders’ equity (deficit)	61,783	63,058
Air traffic liability
Current liabilities
Air traffic/Loyalty program liabilities	6,759	6,200
Loyalty program liability
Current liabilities
Air traffic/Loyalty program liabilities	3,556	3,453
American Airlines, Inc.
Assets, Current [Abstract]
Cash	795	567
Short-term investments	6,177	6,998
Restricted cash and short-term investments	732	910
Accounts receivable, net	1,977	1,995
Receivables from related parties, net	8,187	7,070
Aircraft fuel, spare parts and supplies, net	2,476	2,266
Prepaid expenses and other	675	561
Total current assets	21,019	20,367
Operating property and equipment
Flight equipment	43,158	41,440
Ground property and equipment	9,709	9,848
Equipment purchase deposits	1,012	760
Total property and equipment, at cost	53,879	52,048
Less accumulated depreciation and amortization	(23,060)	(21,588)
Total property and equipment, net	30,819	30,460
Operating lease right-of-use assets	7,274	7,886
Other assets
Goodwill	4,091	4,091
Intangibles, net of accumulated amortization of $841 and $834, respectively	2,044	2,051
Deferred tax asset	2,068	2,589
Other assets	1,440	1,630
Total other assets	9,643	10,361
Total assets	68,755	69,074
Current liabilities
Current maturities of long-term debt and finance leases	4,326	3,625
Accounts payable	2,372	2,232
Accrued salaries and wages	1,995	2,210
Operating lease liabilities	1,082	1,292
Other accrued liabilities	2,812	2,605
Total current liabilities	22,902	21,617
Noncurrent liabilities
Long-term debt and finance leases, net of current maturities	21,410	24,050
Pension and postretirement benefits	2,115	3,020
Loyalty program liability	6,498	5,874
Operating lease liabilities	5,926	6,416
Other liabilities	1,670	1,520
Total noncurrent liabilities	37,619	40,880
Commitments and contingencies
Stockholders’ equity (deficit)
Common stock, $0.01 par value; 1,750,000,000 shares authorized, 657,566,166 shares issued and outstanding at December 31, 2024; 654,273,192 shares issued and outstanding at December 31, 2023	0	0
Additional paid-in capital	17,408	17,335
Accumulated other comprehensive loss	(4,677)	(4,999)
Retained deficit	(4,497)	(5,759)
Total stockholders’ deficit	8,234	6,577
Total liabilities and stockholders’ equity (deficit)	68,755	69,074
American Airlines, Inc. | Air traffic liability
Current liabilities
Air traffic/Loyalty program liabilities	6,759	6,200
American Airlines, Inc. | Loyalty program liability
Current liabilities
Air traffic/Loyalty program liabilities	$ 3,556	$ 3,453