Goodwill And Acquired Intangibles (Schedule Of Goodwill By Reportable Segment) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 5,043us-gaap_Goodwill	$ 5,035us-gaap_Goodwill
Acquisitions	102us-gaap_GoodwillAcquiredDuringPeriod	25us-gaap_GoodwillAcquiredDuringPeriod
Goodwill adjustments	(26)	(17)
Goodwill, Ending Balance	5,119us-gaap_Goodwill	5,043us-gaap_Goodwill
Operating Segments [Member] \| Commercial Airplanes [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	2,108	2,125
Acquisitions	45
Goodwill adjustments	(22)	(17)
Goodwill, Ending Balance	2,131	2,108
Operating Segments [Member] \| Defense, Space & Security [Member] \| Boeing Military Aircraft [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	964	946
Acquisitions		18
Goodwill adjustments
Goodwill, Ending Balance	964	964
Operating Segments [Member] \| Defense, Space & Security [Member] \| Network & Space Systems [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1,513	1,513
Acquisitions	57
Goodwill adjustments	(4)
Goodwill, Ending Balance	1,566	1,513
Operating Segments [Member] \| Defense, Space & Security [Member] \| Global Services & Support [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	458	451
Acquisitions		7
Goodwill adjustments
Goodwill, Ending Balance	$ 458	$ 458

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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

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-Name Accounting Standards Codification

-Topic 350

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-Section 45

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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

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-Name Accounting Standards Codification

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-Section 50

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Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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