Note 2: Discontinued Operations (Details) (USD $)	3 Months Ended		6 Months Ended	9 Months Ended			3 Months Ended	9 Months Ended	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Jun. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Mar. 31, 2012 Clipper Windpower [Member]	Sep. 30, 2012 Clipper Windpower [Member]	Mar. 31, 2012 Pratt And Whitney Rocketdyne [Member]	Jun. 30, 2012 UTC Power [Member]
Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract]
Disposal Group, Including Discontinued Operation, Revenue	$ 522,000,000	$ 570,000,000		$ 1,607,000,000	$ 1,847,000,000
Income from operations	91,000,000	52,000,000		118,000,000	201,000,000
Income tax expense	(30,000,000)	(15,000,000)		(38,000,000)	(90,000,000)
Income (loss) from discontinued operations, net of income taxes	61,000,000	37,000,000		80,000,000	111,000,000
Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation	135,000,000	0		294,000,000	0
Loss on disposal	26,000,000	0		1,197,000,000	0
(Loss) income from discontinued operations	170,000,000	37,000,000		(823,000,000)	111,000,000
Disposal Group, Including Discontinued Operation, Additional Disclosures [Abstract]
Expected Proceeds From Divestiture of Businesses Net of Tax				3,000,000,000
Discontinued Operation, Tax (Expense) Benefit from Provision for (Gain) Loss on Disposal	127,000,000		(240,000,000)	113,000,000
Disposal Group, Including Discontinued Operation, Classified Balance Sheet Disclosures [Abstract]
Less: Cash and cash equivalents of discontinued operations	55,000,000	0		55,000,000	0
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net	332,000,000			332,000,000
Disposal Group, Including Discontinued Operation, Inventory	172,000,000			172,000,000
Disposal Group, Including Discontinued Operation Deferred Tax Assets Net Current	7,000,000			7,000,000
Disposal Group, Including Discontinued Operation, Other Current Assets	3,000,000			3,000,000
Disposal Group, Including Discontinued Operation, Deferred Tax Assets	2,000,000			2,000,000
Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net	300,000,000			300,000,000
Disposal Group, Including Discontinued Operation, Goodwill	909,000,000			909,000,000
Disposal Group, Including Discontinued Operation, Intangible Assets, Net	60,000,000			60,000,000
Disposal Group, Including Discontinued Operation, Other Noncurrent Assets	44,000,000			44,000,000
Disposal Group, Including Discontinued Operation, Short Term Borrowings	1,000,000			1,000,000
Disposal Group, Including Discontinued Operation, Accounts Payable	128,000,000			128,000,000
Disposal Group, Including Discontinued Operation, Accrued Liabilities	229,000,000			229,000,000
Disposal Group, Including Discontinued Operation, Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent	1,000,000			1,000,000
Disposal Group, Including Discontinued Operation, Other Noncurrent Liabilities	46,000,000			46,000,000
Assets of discontinued operations	1,884,000,000			1,884,000,000		0
Liabilities of discontinued operations	405,000,000			405,000,000		0
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Disposal Group Including Discontinued Operation Pretax Goodwill Impairment							590,000,000		360,000,000
Disposal Group Including Discontinued Operation Pretax Net Asset Impairment										179,000,000
Discontinued Operation Cash Payment								$ 367,000,000
Significant Acquisitions and Disposals, Date of Transaction for Acquisition or Disposal								Aug. 07, 2012