Name:	aal_BankruptcyLineItems
Namespace Prefix:	aal_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Business Acquisition Purchase Price Allocation Remaining Shares Allocated To Stockholders

+ References

No definition available.

+ Details

Name:	aal_BusinessAcquisitionPurchasePriceAllocationRemainingSharesAllocatedToStockholders
Namespace Prefix:	aal_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Business Combination, Common Stock Conversion Ratio

+ References

No definition available.

+ Details

Name:	aal_BusinessCombinationCommonStockConversionRatio
Namespace Prefix:	aal_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Common Stock Shares Released From Restriction And Issued

+ References

No definition available.

+ Details

Name:	aal_CommonStockSharesReleasedFromRestrictionAndIssued
Namespace Prefix:	aal_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Equity Obligations Double Dip Unsecured Creditors

+ References

No definition available.

+ Details

Name:	aal_EquityObligationsDoubleDipUnsecuredCreditors
Namespace Prefix:	aal_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Equity Obligations, Single-Dip Unsecured Creditors

+ References

No definition available.

+ Details

Name:	aal_EquityObligationsSingleDipUnsecuredCreditors
Namespace Prefix:	aal_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Net Operating Losses, Maximum Allowable Utilization

+ References

No definition available.

+ Details

Name:	aal_NetOperatingLossesMaximumAllowableUtilization
Namespace Prefix:	aal_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Weighted Average Number of Shares, Ratio for previous shareholders prior to Reorganization

+ References

No definition available.

+ Details

Name:	aal_WeightedAverageNumberOfSharesRatioForPreviousShareholdersPriorToReorganization
Namespace Prefix:	aal_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate number of common shares reserved for future issuance.

+ References

+ Details

Name:	us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

+ Details

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

+ Details

Name:	us-gaap_CommonStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

+ Details

Name:	us-gaap_CommonStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- 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://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

+ Details

Name:	us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

+ Details

Name:	us-gaap_PreferredStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

+ Details

Name:	us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

+ Details

Name:	us-gaap_StockRepurchasedDuringPeriodValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=us-gaap_SubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=aal_AagMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=aal_SeriesAConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Emergence from Chapter 11 and Merger with US Airways Group - Additional Information (Detail) (USD $)	3 Months Ended	0 Months Ended		12 Months Ended
	Mar. 31, 2015	Feb. 10, 2015	Dec. 09, 2013	Dec. 31, 2014
Bankruptcy [Line Items]
Common stock, par value	$ 0.01			0.01
Common stock, shares authorized	1,750,000,000us-gaap_CommonStockSharesAuthorized			1,750,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	693,800,651us-gaap_CommonStockSharesIssued			697,474,535us-gaap_CommonStockSharesIssued
Single-Dip General Unsecured Claims	$ 210,000,000		$ 2,450,000,000	248,000,000
Double-Dip General Unsecured Claims			2,450,000,000
Shares released from restriction and issued		800,000
Merger common stock conversion ratio	1
Federal NOL carryforwards, maximum allowable utilization			9,000,000,000
Series A Convertible Preferred Stock [Member]
Bankruptcy [Line Items]
Preferred stock, shares issued	168,000,000
Preferred stock, par or stated value per share	$ 0.01
Common Stock [Member]
Bankruptcy [Line Items]
Shares reserved for future issuance	26,000,000			26,800,000
Shares released from restriction and issued		800,000
Stock repurchased (in shares)		100,000
Aggregate stock repurchase price		4,000,000
American Airlines, Inc. [Member]
Bankruptcy [Line Items]
Common stock, par value	$ 1.00		$ 0.01	1.00
Common stock, shares authorized	1,000			1,000
Common stock, shares issued	1,000			1,000
Single-Dip General Unsecured Claims			2,450,000,000
Double-Dip General Unsecured Claims			2,450,000,000
Shares released from restriction and issued		800,000
Federal NOL carryforwards, maximum allowable utilization			9,500,000,000
American Airlines, Inc. [Member] \| Series A Convertible Preferred Stock [Member]
Bankruptcy [Line Items]
Preferred stock, shares issued	168,000,000
Preferred stock, par or stated value per share	$ 0.01
American Airlines, Inc. [Member] \| Common Stock [Member]
Bankruptcy [Line Items]
Shares reserved for future issuance	26,000,000			26,800,000
Shares released from restriction and issued		800,000
Stock repurchased (in shares)		100,000
Aggregate stock repurchase price		4,000,000
American Airlines, Inc. [Member] \| Maximum [Member]
Bankruptcy [Line Items]
Common stock, shares authorized			544,000,000
Common Stock [Member]
Bankruptcy [Line Items]
Shares reserved for future issuance	26,000,000		30,400,000	26,800,000
Shares released from restriction and issued		800,000
Stock repurchased (in shares)	3,800,000	100,000
Aggregate stock repurchase price	190,000,000	4,000,000
Common Stock [Member] \| American Airlines, Inc. [Member]
Bankruptcy [Line Items]
Shares reserved for future issuance	26,000,000		30,400,000	26,800,000
Shares released from restriction and issued		800,000
Stock repurchased (in shares)		100,000
Aggregate stock repurchase price		$ 4,000,000
American Airlines Group [Member]
Bankruptcy [Line Items]
Common stock, par value			$ 0.01
Common stock, shares issued	53,000,000
Distributions made to holders			0.0665	0.6776
Percentage of diluted equity ownership	28.00%
Remaining diluted equity ownership	72.00%
Remaining diluted equity ownership, shares	544,000,000
American Airlines Group [Member] \| Maximum [Member]
Bankruptcy [Line Items]
Common stock, shares authorized			544,000,000
American Airlines Group [Member] \| American Airlines, Inc. [Member]
Bankruptcy [Line Items]
Distributions made to holders			0.0665	0.6776