Debt Instrument, Escrowed Proceeds

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of aircraft financed by debt issuance.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Aircrafts Financed Through Repurchased Debt

+ References

No definition available.

+ Details

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Namespace Prefix:	aal_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from borrowings supported by a written promise to pay an obligation that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Debt - Narrative (Details)	1 Months Ended	3 Months Ended	9 Months Ended
Debt - Narrative (Details)	May 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)	Aug. 31, 2019 USD ($) Aircraft
Secured Debt [Member] \| Equipment Loans and Other Notes Payable [Member]
Debt Instrument [Line Items]
Average interest rate		3.74%	3.74%
Senior Notes [Member] \| 5.00% Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, aggregate principal issued	$ 750,000,000
Stated interest rate	5.00%
Redemption price percentage	101.00%
American Airlines, Inc. [Member] \| Enhanced Equipment Trust Certificates (EETC) [Member]
Debt Instrument [Line Items]
Repayments of long-term debt		$ 464,000,000
American Airlines, Inc. [Member] \| Enhanced Equipment Trust Certificates (EETC) [Member] \| 2019-1 Enhanced Equipment Trust Certificates [Member]
Debt Instrument [Line Items]
Debt instrument, aggregate principal issued		650,000,000	$ 650,000,000	$ 1,100,000,000
Number of aircraft financed by debt issuance \| Aircraft				35
Repayments of long-term debt		513,000,000
Number of aircrafts financed through repurchased debt \| Aircraft				15
Remaining escrowed proceeds		$ 584,000,000	584,000,000
American Airlines, Inc. [Member] \| Secured Debt [Member] \| Equipment Loans and Other Notes Payable [Member]
Debt Instrument [Line Items]
Proceeds from notes payable			1,600,000,000
Repayments of debt			$ 643,000,000
Average interest rate		3.74%	3.74%
American Airlines, Inc. [Member] \| Secured Debt [Member] \| Equipment Loans and Other Notes Payable [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Average interest rate		3.59%	3.59%