Note 8: Financial Instruments (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Notes to Condensed Consolidated Financial Statements [Abstract]
Four Quarter Rolling Average of the Notional Amount of Foreign Exchange Contracts Hedging Foreign Currency Transactions	$ 10,100,000,000		$ 10,100,000,000		$ 8,500,000,000
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value	101,000,000		101,000,000		133,000,000
Derivative Liability, Fair Value	183,000,000		183,000,000		53,000,000
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax	(125,000,000)	63,000,000	(25,000,000)	44,000,000
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	17,000,000	35,000,000	93,000,000	76,000,000
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	(1,000,000)		(1,000,000)
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	(51,000,000)	107,000,000	(23,000,000)	131,000,000
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Available-for-sale securities	808,000,000		808,000,000		829,000,000
Derivative assets	101,000,000		101,000,000		133,000,000
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]
Derivative liabilities	183,000,000		183,000,000		53,000,000
Other Assets, Current [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	38,000,000		38,000,000		73,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	58,000,000		58,000,000		31,000,000
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	1,000,000		1,000,000		24,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	4,000,000		4,000,000		5,000,000
Assets, Total [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	39,000,000		39,000,000		97,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	62,000,000		62,000,000		36,000,000
Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	62,000,000		62,000,000		16,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	74,000,000		74,000,000		33,000,000
Other Long-Term Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	46,000,000		46,000,000		1,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	1,000,000		1,000,000		3,000,000
Liabilities, Total [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	108,000,000		108,000,000		17,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	75,000,000		75,000,000		36,000,000
Quoted price in active markets (Level 1) [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Available-for-sale securities	808,000,000		808,000,000		829,000,000
Derivative assets	0		0		0
Quoted price in active markets (Level 1) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]
Derivative liabilities	0		0		0
Significant other observable inputs (Level 2) [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Available-for-sale securities	0		0		0
Derivative assets	101,000,000		101,000,000		133,000,000
Significant other observable inputs (Level 2) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]
Derivative liabilities	183,000,000		183,000,000		53,000,000
Unobservable inputs (Level 3) [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Available-for-sale securities	0		0		0
Derivative assets	0		0		0
Unobservable inputs (Level 3) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]
Derivative liabilities	0		0		0
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term receivables Fair Value Disclosure	276,000,000		276,000,000		300,000,000
Customer Financing Notes Receivable Fair Value Disclosure	335,000,000		335,000,000		376,000,000
Long-term debt (excluding capitalized leases) Fair Value Disclosure	(10,079,000,000)		(10,079,000,000)		(10,117,000,000)
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term receivables Fair Value Disclosure	265,000,000		265,000,000		276,000,000
Customer Financing Notes Receivable Fair Value Disclosure	326,000,000		326,000,000		346,000,000
Long-term debt (excluding capitalized leases) Fair Value Disclosure	(12,045,000,000)		(12,045,000,000)		(11,500,000,000)
Commercial Aerospace [Member]
Accounts Notes And Loans Receivable [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount	$ 2,200,000,000		$ 2,200,000,000		$ 2,000,000,000