Consolidated Statements of Cash Flows - American Airlines, Inc. - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Cash flows from operating activities:
Net income (loss)		$ 127		$ (1,993)		$ (8,885)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization		2,298		2,335		2,370
Net gains from sale of property and equipment and sale-leaseback transactions		0		(22)		(95)
Special items, net non-cash		229		83		1,599
Pension and postretirement		(405)		(321)		(319)
Deferred income tax provision (benefit)		65		(555)		(2,568)
Share-based compensation		78		98		91
Other, net		(37)		38		47
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable		(637)		(304)		538
Increase in other assets		(775)		(402)		(38)
Increase (decrease) in accounts payable and accrued liabilities		585		461		(626)
Contributions to pension plans		(5)		(247)		(9)
Increase (decrease) in other liabilities		(18)		139		823
Net cash provided by (used in) operating activities		2,173		704		(6,543)
Cash flows from investing activities:
Capital expenditures, net of aircraft purchase deposit returns		(2,546)		(208)		(1,958)
Airport construction projects, net of reimbursements		(360)		(204)		(173)
Proceeds from sale-leaseback transactions		86		181		665
Proceeds from sale of property and equipment		61		193		351
Purchases of short-term investments		(11,257)		(19,454)		(5,873)
Sales of short-term investments		14,972		13,923		2,803
Decrease (increase) in restricted short-term investments		1		(401)		(308)
Purchase of equity investments		(321)		(28)		0
Other investing activities		0		15		151
Net cash provided by (used in) investing activities		636		(5,983)		(4,342)
Cash flows from financing activities:
Payments on long-term debt and finance leases		(3,752)		(7,343)		(3,535)
Proceeds from issuance of long-term debt		1,069		12,190		11,780
Deferred financing costs		(4)		(209)		(93)
Other financing activities		77		208		88
Net cash provided by (used in) financing activities		(2,631)		5,288		10,994
Net increase in cash and restricted cash		178		9		109
Cash and restricted cash at beginning of year		408	[1]	399	[1]	290
Cash and restricted cash at end of year	[1]	586		408		399
American Airlines, Inc.
Cash flows from operating activities:
Net income (loss)		338		(1,777)		(8,450)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization		2,238		2,282		2,313
Net gains from sale of property and equipment and sale-leaseback transactions		(3)		(26)		(98)
Special items, net non-cash		227		83		1,588
Pension and postretirement		(404)		(320)		(319)
Deferred income tax provision (benefit)		122		(500)		(2,453)
Share-based compensation		75		95		91
Other, net		(45)		24		14
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable		(636)		(290)		595
Increase in other assets		(744)		(370)		42
Increase (decrease) in accounts payable and accrued liabilities		549		335		(619)
Decrease (increase) in receivables from related parties, net		(1,044)		1,857		4,134
Contributions to pension plans		(4)		(247)		(6)
Increase (decrease) in other liabilities		(8)		650		1,210
Net cash provided by (used in) operating activities		1,329		3,190		(1,429)
Cash flows from investing activities:
Capital expenditures, net of aircraft purchase deposit returns		(2,489)		(169)		(1,922)
Airport construction projects, net of reimbursements		(360)		(204)		(173)
Proceeds from sale-leaseback transactions		86		181		665
Proceeds from sale of property and equipment		61		192		351
Purchases of short-term investments		(11,257)		(19,454)		(5,874)
Sales of short-term investments		14,972		13,923		2,803
Decrease (increase) in restricted short-term investments		1		(401)		(308)
Purchase of equity investments		(321)		(28)		0
Other investing activities		0		15		150
Net cash provided by (used in) investing activities		693		(5,945)		(4,308)
Cash flows from financing activities:
Payments on long-term debt and finance leases		(2,991)		(7,320)		(3,029)
Proceeds from issuance of long-term debt		1,069		10,209		8,959
Deferred financing costs		(2)		(207)		(85)
Other financing activities		77		88		0
Net cash provided by (used in) financing activities		(1,847)		2,770		5,845
Net increase in cash and restricted cash		175		15		108
Cash and restricted cash at beginning of year		400	[2]	385	[2]	277
Cash and restricted cash at end of year	[2]	575		400		385
Air traffic liability
Changes in operating assets and liabilities:
Increase (decrease) in customer liabilities		658		1,454		(51)
Air traffic liability | American Airlines, Inc.
Changes in operating assets and liabilities:
Increase (decrease) in customer liabilities		658		1,454		(51)
Loyalty program liability
Changes in operating assets and liabilities:
Increase (decrease) in customer liabilities		10		(60)		580
Loyalty program liability | American Airlines, Inc.
Changes in operating assets and liabilities:
Increase (decrease) in customer liabilities		$ 10		$ (60)		$ 580

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the consolidated balance sheets: Cash$440 $273 $245 Restricted cash included in restricted cash and short-term investments146 135 154 Total cash and restricted cash$586 $408 $399 

[2] The following table provides a reconciliation of cash and restricted cash to amounts reported within the consolidated balance sheets: Cash$429 $265 $231 Restricted cash included in restricted cash and short-term investments146 135 154 Total cash and restricted cash$575 $400 $385