Acquisitions and Sales of Businesses Assets and liabilities acquired (Details) (USD $) In Millions, unless otherwise specified	Nov. 30, 2012
Business Acquisition [Line Items]
Purchase price of Cooper	$ 13,192
Cooper Industries plc [Member]
Business Acquisition [Line Items]
Working capital accounts acquired	2,286	[1]
Prepaid expenses and other current assets	273
Property, plant and equipment	845
Investment in Apex Tool Group, LLC	800
Intangible assets	5,369
Other assets	65
Debt	(1,221)
Accounts payable	(516)
Other current liabilities	(879)
Other noncurrent liabilities	(2,362)
Total identifiable net assets	4,660
Goodwill related to Cooper acquisition	8,532
Purchase price of Cooper	13,192
Acquired receivables	955
Contingent liabilities acquired	419
Scenario, Previously Reported [Member] | Cooper Industries plc [Member]
Business Acquisition [Line Items]
Working capital accounts acquired	2,304	[1]
Prepaid expenses and other current assets	204
Property, plant and equipment	885
Investment in Apex Tool Group, LLC	807
Intangible assets	5,250
Other assets	35
Debt	(1,221)
Accounts payable	(519)
Other current liabilities	(673)
Other noncurrent liabilities	(2,185)
Total identifiable net assets	4,887
Goodwill related to Cooper acquisition	8,305
Purchase price of Cooper	13,192
Scenario, Adjustment [Member] | Cooper Industries plc [Member]
Business Acquisition [Line Items]
Working capital accounts acquired	(18)	[1]
Prepaid expenses and other current assets	69
Property, plant and equipment	(40)
Investment in Apex Tool Group, LLC	(7)
Intangible assets	119
Other assets	30
Debt	0
Accounts payable	3
Other current liabilities	(206)
Other noncurrent liabilities	(177)
Total identifiable net assets	(227)
Goodwill related to Cooper acquisition	227
Purchase price of Cooper	$ 0

[1] Working capital accounts include Cash, Short-term investments, Accounts receivable and Inventory.