Condensed Consolidated Balance Sheets - American Airlines Group Inc. - USD ($) $ in Millions	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Current assets
Cash	$ 835			$ 804	$ 834
Short-term investments	6,023			6,180
Restricted cash and short-term investments	760			732
Accounts receivable, net	2,028			2,006
Aircraft fuel, spare parts and supplies, net	2,782			2,638
Prepaid expenses and other	822			794
Total current assets	13,250			13,154
Operating property and equipment
Flight equipment	44,994			43,521
Ground property and equipment	10,366			10,202
Equipment purchase deposits	850			1,012
Total property and equipment, at cost	56,210			54,735
Less accumulated depreciation and amortization	(24,752)			(23,608)
Total property and equipment, net	31,458			31,127
Operating lease right-of-use assets	7,495			7,333
Other assets
Goodwill	4,091			4,091
Intangibles, net of accumulated amortization of $847 and $841, respectively	2,038			2,044
Deferred tax asset	2,435			2,485
Other assets	1,374			1,549
Total other assets	9,938			10,169
Total assets	62,141			61,783
Current liabilities
Current maturities of long-term debt and finance leases	3,604			5,322
Accounts payable	2,833			2,455
Accrued salaries and wages	2,053			2,150
Operating lease liabilities	1,143			1,092
Other accrued liabilities	3,214			2,961
Total current liabilities	24,638			24,295
Noncurrent liabilities
Long-term debt and finance leases, net of current maturities	25,113			25,154
Pension and postretirement benefits	1,759			2,128
Loyalty program liability	6,815			6,498
Operating lease liabilities	6,204			5,976
Other liabilities	1,574			1,709
Total noncurrent liabilities	41,465			41,465
Commitments and contingencies
Stockholder’s equity
Common stock, $0.01 par value; 1,750,000,000 shares authorized, 660,064,930 shares issued and outstanding at September 30, 2025; 657,566,166 shares issued and outstanding at December 31, 2024	7			7
Additional paid-in capital	7,377			7,424
Accumulated other comprehensive loss	(4,515)			(4,565)
Retained deficit	(6,831)			(6,843)
Total stockholders' equity (deficit)	(3,962)	$ (3,870)	$ (4,508)	(3,977)	$ (4,854)	$ (4,746)	$ (5,500)	$ (5,202)
Total liabilities and stockholders’ equity (deficit)	62,141			61,783
Air traffic liability
Current liabilities
Deferred revenue, current	8,092			6,759
Loyalty program liability
Current liabilities
Deferred revenue, current	$ 3,699			$ 3,556