Significant Group Concentrations Of Risk (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Concentration Risk [Line Items]
Gross accounts receivable and gross customer financing	11,438
Gross customer financing	3,582ba_GrossCustomerFinancingAssets	4,020ba_GrossCustomerFinancingAssets
External Credit Rating, Non Investment Grade [Member]
Concentration Risk [Line Items]
Gross customer financing	2,429
Workforce Subject To Collective Bargaining Arrangements [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	39.00%
Commercial Aircraft Customers [Member]
Concentration Risk [Line Items]
Gross accounts receivable and gross customer financing	5,246
Accounts Receivable, Gross, Current	1,664
Gross customer financing	3,582
U S Government Contracts [Member]
Concentration Risk [Line Items]
Accounts Receivable, Gross, Current	4,281	$ 3,604
American Airlines [Member] \| Customer Financing [Member] \| External Credit Rating, Non Investment Grade [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	11.00%
Hawaiian Airlines [Member] \| Customer Financing [Member] \| External Credit Rating, Non Investment Grade [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	9.00%
United Continental Airlines [Member] \| Customer Financing [Member] \| External Credit Rating, Non Investment Grade [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	8.00%

The gross amounts of accounts receivable and customer financing as of the balance sheet date, excluding reserves and allowances.

No definition available.

+ Details

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- Definition

The aggregate sum of financing receivables from investments in sales-type/finance leases, notes and operating lease equipment, at cost less accumulated depreciation, before the allowance for losses on the receivables.

+ References

No definition available.

+ Details

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- Definition

Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

+ 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 210.5-02.3)

-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 03

-Paragraph 3

-Subparagraph a, b

-Article 5

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

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- Details

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- Details

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