Note 9: Financial Instruments (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Notes to Condensed Consolidated Financial Statements [Abstract]
Four Quarter Rolling Average of Notional Amount of Foreign Exchange Contracts Hedging Foreign Currency Transactions	$ 12,000,000,000		$ 11,800,000,000
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value	71,000,000		128,000,000
Derivative Liability, Fair Value	90,000,000		149,000,000
(Loss) gain recorded in Accumulated other comprehensive loss	(97,000,000)	92,000,000
(Loss) gain reclassified from Accumulated other comprehensive loss into Product Sales (effective portion)	(8,000,000)	11,000,000
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	7,000,000
Gain recognized in Other income, net	32,000,000	38,000,000
Equity Method Investment Other Than Temporary Impairment		103,000,000
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net Gains on Non-recurring Fair Value Measurement	38,000,000
Net Gains of Sale of Controlling Interest		215,000,000
Non Cash Net Gain		112,000,000
Commercial Aerospace [Member]
Accounts Notes And Loans Receivable [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	10,600,000,000		10,900,000,000
International Aero Engines AG [Member]
Accounts Notes And Loans Receivable [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	5,700,000,000		5,800,000,000
Carrying Amount [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term receivables Fair Value Disclosure	499,000,000		499,000,000
Customer Financing Notes Receivable Fair Value Disclosure	368,000,000		375,000,000
Short Term borrowings	(171,000,000)		(503,000,000)
Long-term debt (excluding capitalized leases) Fair Value Disclosure	(22,603,000,000)		(22,665,000,000)
Other long-term liabilities, Fair Value Disclosure	(182,000,000)		(182,000,000)
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term receivables Fair Value Disclosure	464,000,000		464,000,000
Customer Financing Notes Receivable Fair Value Disclosure	364,000,000		371,000,000
Short Term borrowings	(171,000,000)		(503,000,000)
Long-term debt (excluding capitalized leases) Fair Value Disclosure	(24,039,000,000)		(25,606,000,000)
Other long-term liabilities, Fair Value Disclosure	(167,000,000)		(167,000,000)
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	864,000,000		781,000,000
Derivative Assets	71,000,000		128,000,000
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(90,000,000)		(149,000,000)
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure			432,000,000
Business Dispositions, Fair Value Disclosure	96,000,000		84,000,000
Quoted price in active markets (Level 1) [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term receivables Fair Value Disclosure	0
Customer Financing Notes Receivable Fair Value Disclosure	0
Short Term borrowings	0
Long-term debt (excluding capitalized leases) Fair Value Disclosure	0
Other long-term liabilities, Fair Value Disclosure	0
Quoted price in active markets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	864,000,000		781,000,000
Derivative Assets	0		0
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0		0
Quoted price in active markets (Level 1) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure			0
Business Dispositions, Fair Value Disclosure	0		0
Significant other observable inputs (Level 2) [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term receivables Fair Value Disclosure	464,000,000
Customer Financing Notes Receivable Fair Value Disclosure	364,000,000
Short Term borrowings	0
Long-term debt (excluding capitalized leases) Fair Value Disclosure	(23,980,000,000)
Other long-term liabilities, Fair Value Disclosure	(167,000,000)
Significant other observable inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0		0
Derivative Assets	71,000,000		128,000,000
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(90,000,000)		(149,000,000)
Significant other observable inputs (Level 2) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure			432,000,000
Business Dispositions, Fair Value Disclosure	96,000,000		84,000,000
Unobservable inputs (Level 3) [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term receivables Fair Value Disclosure	0
Customer Financing Notes Receivable Fair Value Disclosure	0
Short Term borrowings	(171,000,000)
Long-term debt (excluding capitalized leases) Fair Value Disclosure	(59,000,000)
Other long-term liabilities, Fair Value Disclosure	0
Unobservable inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0		0
Derivative Assets	0		0
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0		0
Unobservable inputs (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure			0
Business Dispositions, Fair Value Disclosure	0		0
Other Assets, Current [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	15,000,000		48,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	45,000,000		47,000,000
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	7,000,000		30,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	4,000,000		3,000,000
Assets, Total [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	22,000,000		78,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	49,000,000		50,000,000
Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	38,000,000		10,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	35,000,000		136,000,000
Other Long-Term Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	16,000,000		1,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	1,000,000		2,000,000
Liabilities, Total [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	54,000,000		11,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	$ 36,000,000		$ 138,000,000