REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Income Statement
Income from continuing operations before taxes	$ 142	$ 113
Provision for income taxes	19	20
Income from continuing operations	123	93
Loss from discontinued operations, net of tax expense benefit of $2	0	(30)
Net income	$ 123	$ 63
Net income per share - basic
Income from continuing operations	$ 0.37	$ 0.28
Loss from discontinued operations	0.00	(0.09)
Net income per share - basic	0.37	0.19
Net income per share - diluted
Income from continuing operations	0.37	0.28
Loss from discontinued operations	0.00	(0.09)
Net income per share - diluted	$ 0.37	$ 0.19
Statement of Comprehensive Income
Total comprehensive income (loss)	$ 76	$ (196)
Statement of Cash Flows
Deferred taxes	4	6
Deferred income tax adjustment		13
Other assets and liabilities	(23)	(93)
Net Cash Provided by (Used in) Operating Activities	$ 104	(20)
As Previously Reported
Income Statement
Income from continuing operations before taxes		113
Provision for income taxes		11
Income from continuing operations		102
Loss from discontinued operations, net of tax expense benefit of $2		(30)
Net income		$ 72
Net income per share - basic
Income from continuing operations		$ 0.30
Loss from discontinued operations		(0.09)
Net income per share - basic		0.21
Net income per share - diluted
Income from continuing operations		0.30
Loss from discontinued operations		(0.09)
Net income per share - diluted		$ 0.21
Statement of Comprehensive Income
Total comprehensive income (loss)		$ (187)
Statement of Cash Flows
Deferred taxes		(7)
Other assets and liabilities		(89)
Net Cash Provided by (Used in) Operating Activities		(20)
Revision Adjustment
Income Statement
Prior period tax adjustments		(9)
Statement of Cash Flows
Deferred income tax adjustment		13
Increase (decrease) in Income taxes payable		(4)
Impact of tax adjustment to cash from operating activities		0
Due to Error in prior year tax return [Member]
Statement of Cash Flows
Tax expense (benefit)		$ 4