Condensed Consolidated Balance Sheets - American Airlines, Inc. (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Accumulated amortization of intangibles	$ 795	$ 786
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)	649,497,768	647,727,595
Common stock, shares issued (in shares)	649,497,768	647,727,595
American Airlines, Inc.
Accumulated amortization of intangibles	$ 795	$ 786
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