Note 9: Financial Instruments (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Notes to Condensed Consolidated Financial Statements [Abstract]
Four Quarter Rolling Average of Notional Amount of Foreign Exchange Contracts Hedging Foreign Currency Transactions	$ 11,100,000,000		$ 11,100,000,000		$ 10,400,000,000
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value	134,000,000		134,000,000		114,000,000
Derivative Liability, Fair Value	144,000,000		144,000,000		165,000,000
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax	(155,000,000)	1,000,000	(63,000,000)	100,000,000
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	(8,000,000)	33,000,000	(19,000,000)	76,000,000
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	(54,000,000)		(54,000,000)
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	(78,000,000)	32,000,000	(40,000,000)	28,000,000
Business Acquisition [Line Items]
Equity Method Investment Other Than Temporary Impairment			103,000,000		66,000,000
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Recurring Long Term Receivables Fair Value Disclosure	267,000,000		267,000,000
Recurring Customer Financing Notes Receivable Fair Value Disclosure	298,000,000		298,000,000
Recurring Short Term Borrowings Fair Value Disclosure	(210,000,000)		(210,000,000)
Recurring Long Term Debt Excluding Capitalized Leases Fair Value Disclosure	(23,652,000,000)		(23,652,000,000)
Net Gains on Recurring Fair Value Measurement			222,000,000
Net Gains of Sale of Controlling Interest			357,000,000
Non Cash Net Gain			272,000,000
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Disposal Group Not Discontinued Operation Gain Loss On Disposal			32,000,000
Commercial Aerospace [Member]
Accounts Notes And Loans Receivable [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	2,800,000,000		2,800,000,000		2,300,000,000
International Aero Engines AG [Member]
Accounts Notes And Loans Receivable [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	580,000,000		580,000,000
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term receivables Fair Value Disclosure	273,000,000		273,000,000		283,000,000
Customer Financing Notes Receivable Fair Value Disclosure	311,000,000		311,000,000		309,000,000
Short Term borrowings	(210,000,000)		(210,000,000)		(630,000,000)
Long-term debt (excluding capitalized leases) Fair Value Disclosure	(20,479,000,000)		(20,479,000,000)		(9,575,000,000)
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term receivables Fair Value Disclosure	267,000,000		267,000,000		276,000,000
Customer Financing Notes Receivable Fair Value Disclosure	298,000,000		298,000,000		297,000,000
Short Term borrowings	(210,000,000)		(210,000,000)		(630,000,000)
Long-term debt (excluding capitalized leases) Fair Value Disclosure	(23,652,000,000)		(23,652,000,000)		(11,639,000,000)
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	839,000,000		839,000,000		926,000,000
Derivative Assets	134,000,000		134,000,000		114,000,000
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(144,000,000)		(144,000,000)		(165,000,000)
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	440,000,000		440,000,000		13,000,000
Business Dispositions, Fair Value Disclosure	100,000,000		100,000,000
Quoted price in active markets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Recurring Long Term Receivables Fair Value Disclosure	0		0
Recurring Customer Financing Notes Receivable Fair Value Disclosure	0		0
Recurring Short Term Borrowings Fair Value Disclosure	0		0
Recurring Long Term Debt Excluding Capitalized Leases Fair Value Disclosure	0		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	839,000,000		839,000,000		926,000,000
Derivative Assets	0		0		0
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0		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		0		13,000,000
Business Dispositions, Fair Value Disclosure	0		0
Significant other observable inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Recurring Long Term Receivables Fair Value Disclosure	267,000,000		267,000,000
Recurring Customer Financing Notes Receivable Fair Value Disclosure	298,000,000		298,000,000
Recurring Short Term Borrowings Fair Value Disclosure	0		0
Recurring Long Term Debt Excluding Capitalized Leases Fair Value Disclosure	(23,452,000,000)		(23,452,000,000)
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		0
Derivative Assets	134,000,000		134,000,000		114,000,000
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	(144,000,000)		(144,000,000)		(165,000,000)
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	440,000,000		440,000,000		0
Business Dispositions, Fair Value Disclosure	100,000,000		100,000,000
Unobservable inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Recurring Long Term Receivables Fair Value Disclosure	0		0
Recurring Customer Financing Notes Receivable Fair Value Disclosure	0		0
Recurring Short Term Borrowings Fair Value Disclosure	(210,000,000)		(210,000,000)
Recurring Long Term Debt Excluding Capitalized Leases Fair Value Disclosure	(200,000,000)		(200,000,000)
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		0
Derivative Assets	0		0		0
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0		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		0		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	101,000,000		101,000,000		69,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	30,000,000		30,000,000		40,000,000
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	2,000,000		2,000,000		3,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	1,000,000		1,000,000		2,000,000
Assets, Total [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	103,000,000		103,000,000		72,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	31,000,000		31,000,000		42,000,000
Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	87,000,000		87,000,000		81,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	34,000,000		34,000,000		40,000,000
Other Long-Term Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	21,000,000		21,000,000		43,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	2,000,000		2,000,000		1,000,000
Liabilities, Total [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	108,000,000		108,000,000		124,000,000
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	$ 36,000,000		$ 36,000,000		$ 41,000,000