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Number of aircraft included in backlog for which definitized contracts have been executed and funding has been authorized.

+ References

No definition available.

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- Definition

Number of unsold aircraft associated with inventory expenditures and potential termination liabilities to suppliers.

+ References

No definition available.

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- Definition

Expiration date of trade-in commitment agreements related to commercial aircraft commitments.

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No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349

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- Definition

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

+ References

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

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 14

-Paragraph 3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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No definition available.

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Commitments And Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified																3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 C-17 Program [Member] aircraft	Mar. 31, 2013 C-17 Program [Member] USAF [Member] aircraft	Mar. 31, 2013 C-17 Program [Member] International [Member] aircraft	Mar. 31, 2013 Financing Commitment [Member]	Dec. 31, 2012 Financing Commitment [Member]	Mar. 31, 2013 Financing Commitment [Member] External Credit Rating, Non Investment Grade [Member]	Mar. 31, 2013 ULA Additional Capital Commitment [Member]	Mar. 31, 2013 TotalContractualTradeInValueMaximum [Member] Commercial Aircraft Commitments [Member]	Dec. 31, 2012 TotalContractualTradeInValueMaximum [Member] Commercial Aircraft Commitments [Member]	Mar. 31, 2013 Net amounts payable to customers related to probable contractual trade-in commitments [Member] Commercial Aircraft Commitments [Member]	Dec. 31, 2012 Net amounts payable to customers related to probable contractual trade-in commitments [Member] Commercial Aircraft Commitments [Member]	Mar. 31, 2013 ProbableContractualTradeInValue [Member] Commercial Aircraft Commitments [Member]	Dec. 31, 2012 ProbableContractualTradeInValue [Member] Commercial Aircraft Commitments [Member]	Mar. 31, 2013 Minimum [Member]	Mar. 31, 2013 Maximum [Member]	Mar. 31, 2013 Environmental Remediation Expense [Member]	Dec. 31, 2012 Environmental Remediation Expense [Member]
Liabilities Commitments And Contingencies [Line Items]
Amount by which estimated range of reasonably possible remediation costs exceeded recorded liabilities																		$ 857	$ 865
Trade-In Commitment Expiration Date																2013	2023
Other Commitment						17,714	18,083	16,640	527	1,620	1,535	173	108	173	108
Contingent liabilities on outstanding letters of credit agreements and surety bonds	4,443	4,545
Number of Aircraft Included In Backlog				3	9
Loss Contingency, Estimate of Possible Loss			$ 410
Number of C-17 aircraft associated with inventory expenditures and potential termiation liability			12