Condensed Consolidated Balance Sheets - American Airlines, Inc. (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Accumulated amortization of intangibles	$ 850	$ 848
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,750,000,000	1,750,000,000
Common stock, shares outstanding (in shares)	661,385,137	660,301,080
Common stock, shares issued (in shares)	661,385,137	660,301,080
American Airlines, Inc.
Accumulated amortization of intangibles	$ 850	$ 848
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized (in shares)	1,000	1,000
Common stock, shares outstanding (in shares)	1,000	1,000
Common stock, shares issued (in shares)	1,000	1,000