Goodwill And Acquired Intangibles (Schedule Of Goodwill By Reportable Segment) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended					12 Months Ended		12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2010 Argon Acquisition [Member]	Dec. 31, 2010 Other Acquisitions [Member]	Dec. 31, 2012 Commercial Airplanes [Member]	Dec. 31, 2011 Commercial Airplanes [Member]	Dec. 31, 2010 Commercial Airplanes [Member]	Dec. 31, 2010 Commercial Airplanes [Member] Other Acquisitions [Member]	Dec. 31, 2012 Boeing Military Aircraft [Member]	Dec. 31, 2011 Boeing Military Aircraft [Member]	Dec. 31, 2010 Boeing Military Aircraft [Member]	Dec. 31, 2009 Boeing Military Aircraft [Member]	Dec. 31, 2010 Boeing Military Aircraft [Member] Argon Acquisition [Member]	Dec. 31, 2012 Network & Space Systems [Member]	Dec. 31, 2011 Network & Space Systems [Member]	Dec. 31, 2009 Network & Space Systems [Member]	Dec. 31, 2010 Network & Space Systems [Member] Argon Acquisition [Member]	Dec. 31, 2010 Network & Space Systems [Member] Other Acquisitions [Member]	Dec. 31, 2012 Global Services & Support [Member]	Dec. 31, 2010 Global Services & Support [Member]	Dec. 31, 2010 Global Services & Support [Member] Argon Acquisition [Member]	Dec. 31, 2010 Global Services & Support [Member] Other Acquisitions [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 4,945	$ 4,937	$ 4,319			$ 2,106	$ 2,110	$ 2,083		$ 1,041	$ 1,041	$ 1,041	$ 848		$ 1,473	$ 1,461	$ 1,102			$ 325	$ 286
Acquisitions	84	16		549	36	12			18					193		16		345	14	72		11	4
Goodwill adjustments	6	(8)	33			7	(4)	9							(1)	(4)					24
Goodwill, Ending Balance	$ 5,035	$ 4,945	$ 4,937			$ 2,125	$ 2,106	$ 2,110		$ 1,041	$ 1,041	$ 1,041	$ 848		$ 1,472	$ 1,473	$ 1,102			$ 397	$ 325

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Number 141R

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+ Details

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ Details

- Definition

The increase (decrease) in the recorded value of goodwill for foreign currency translation adjustments and purchase accounting adjustments needed to revise the carrying amount of goodwill to fair value.

+ References

+ Details