Note 16: Guarantees (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Guarantee Obligations [Line Items]
Guarantee Type Other Carrying Value	$ 144,000,000	$ 138,000,000
Service and product warranties and product performance guarantees - beginning of year	1,468,000,000	1,136,000,000
Warranties and performance guarantees issued	325,000,000	475,000,000
Settlements made	(277,000,000)	(440,000,000)
Product warranty accrual - other	(184,000,000)	297,000,000
Service and product warranties and product performance guarantees - end of period	1,332,000,000	1,468,000,000
International Aero Engines [Member]
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment Ownership Percentage	33.00%
Credit Facilities And Debt Obligations Unconsolidated Subsidiaries [Member]
Guarantee Obligations [Line Items]
Guarantee Obligations Maximum Exposure	240,000,000	239,000,000
Guarantee Obligations Current Carrying Value	2,000,000	3,000,000
Guarantee Obligations Term	expire 2013 to 2034
International Aero Engines [Member]
Guarantee Obligations [Line Items]
Guarantee Obligations Maximum Exposure	0	989,000,000
Guarantee Obligations Current Carrying Value	0	20,000,000
Commercial Aerospace [Member]
Guarantee Obligations [Line Items]
Guarantee Obligations Maximum Exposure	346,000,000	323,000,000
Guarantee Obligations Current Carrying Value	7,000,000	30,000,000
Performance Guarantee [Member]
Guarantee Obligations [Line Items]
Guarantee Obligations Maximum Exposure	33,000,000	33,000,000
Guarantee Obligations Current Carrying Value	$ 0	$ 0

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-Subparagraph a (1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

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-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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-Name FASB Interpretation (FIN)

-Number 45

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

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

-Publisher FASB

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-Number 45

-Paragraph 13

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-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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Describe the approximate term of the guarantee or each group of similar guarantees.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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

-Publisher FASB

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-SubTopic 10

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-Paragraph 8

-Subparagraph ((c)(5))

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-Publisher FASB

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-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph 5

-Article 9

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10

-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

Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties.

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Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period.

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. The element is for the carrying amount of guarantees not otherwise reported.

+ References

No definition available.

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Represents the aggregate increase (decrease) in the liability related to other items, including currency translation.

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