Note 8: Financial Instruments (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 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	$ 9,600,000,000		$ 9,600,000,000		$ 8,500,000,000
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value	226,000,000		226,000,000		133,000,000
Derivative Liability, Fair Value	131,000,000		131,000,000		53,000,000
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax	1,000,000	(74,000,000)	100,000,000	(19,000,000)
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	33,000,000	18,000,000	76,000,000	41,000,000
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	91,000,000		91,000,000
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	32,000,000	(20,000,000)	28,000,000	(24,000,000)
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Available-for-sale securities	1,047,000,000		1,047,000,000		829,000,000
Derivative assets	226,000,000		226,000,000		133,000,000
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]
Derivative liabilities	131,000,000		131,000,000		53,000,000
Other Assets, Current [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	144,000,000		144,000,000		73,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	59,000,000		59,000,000		31,000,000
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	19,000,000		19,000,000		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	163,000,000		163,000,000		97,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	63,000,000		63,000,000		36,000,000
Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	93,000,000		93,000,000		16,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	33,000,000		33,000,000		33,000,000
Other Long-Term Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	3,000,000		3,000,000		1,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	2,000,000		2,000,000		3,000,000
Liabilities, Total [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	96,000,000		96,000,000		17,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	35,000,000		35,000,000		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	1,047,000,000		1,047,000,000		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	226,000,000		226,000,000		133,000,000
Significant other observable inputs (Level 2) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]
Derivative liabilities	131,000,000		131,000,000		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	300,000,000		300,000,000		300,000,000
Customer Financing Notes Receivable Fair Value Disclosure	356,000,000		356,000,000		376,000,000
Long-term debt (excluding capitalized leases) Fair Value Disclosure	(10,068,000,000)		(10,068,000,000)		(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	282,000,000		282,000,000		276,000,000
Customer Financing Notes Receivable Fair Value Disclosure	340,000,000		340,000,000		346,000,000
Long-term debt (excluding capitalized leases) Fair Value Disclosure	(11,428,000,000)		(11,428,000,000)		(11,500,000,000)
Commercial Aerospace [Member]
Accounts Notes And Loans Receivable [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount	$ 2,500,000,000		$ 2,500,000,000		$ 2,000,000,000