Lessee, Operating And Finance Lease, Term Of Contract

No definition available.

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- Definition

Lessee, Operating Lease, Lease Not yet Commenced, Number Of Leased Aircraft

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Lease Not yet Commenced, Payments, Due

+ References

No definition available.

+ Details

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- Definition

Number Of Aircraft Operating Under Operating And Finance Lease

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- 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

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- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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Leases - Additional Information (Details) $ in Millions		12 Months Ended
Leases - Additional Information (Details) $ in Millions	Dec. 31, 2019 USD ($) Aircraft	Dec. 31, 2019 USD ($) Aircraft	Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Number of leased aircraft \| Aircraft	636	636
Operating lease cost		$ 2,027	$ 1,907
Operating lease commitments that have not yet commenced	$ 2,000	$ 2,000
Operating lease commitments that have not yet commenced, number of aircraft \| Aircraft	22	22
Operating lease commitments that have not yet commenced, lease term	10 years	10 years
Republic Holdings [Member]
Lessee, Lease, Description [Line Items]
Ownership interest	25.00%	25.00%
Republic [Member]
Lessee, Lease, Description [Line Items]
Operating lease cost		$ 236	226
American Airlines, Inc. [Member]
Lessee, Lease, Description [Line Items]
Number of leased aircraft \| Aircraft	636	636
Operating lease cost		$ 2,012	1,889
Operating lease commitments that have not yet commenced	$ 2,000	$ 2,000
Operating lease commitments that have not yet commenced, number of aircraft \| Aircraft	22	22
Operating lease commitments that have not yet commenced, lease term	10 years	10 years
American Airlines, Inc. [Member] \| Republic Holdings [Member]
Lessee, Lease, Description [Line Items]
Ownership interest	25.00%	25.00%
American Airlines, Inc. [Member] \| Republic [Member]
Lessee, Lease, Description [Line Items]
Operating lease cost		$ 236	$ 226
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lease terms	1 year
Minimum [Member] \| American Airlines, Inc. [Member]
Lessee, Lease, Description [Line Items]
Lease terms	1 year
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lease terms	12 years
Maximum [Member] \| American Airlines, Inc. [Member]
Lessee, Lease, Description [Line Items]
Lease terms	12 years