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GOODWILL AND OTHER INTANGIBLE ASSETS Textuals (Details) - USD ($)		3 Months Ended			6 Months Ended
	Jan. 20, 2017	Apr. 30, 2017	Jan. 31, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Finite-Lived Intangible Assets
Additions to goodwill					$ 51,000,000
Addition to other intangible assets					26,000,000
Fully amortized intangible assets removed					131,000,000
Foreign exchange translation impact to other intangible assets					1,000,000
Impairment of IPR&D			$ 0	$ 0	0	$ 0
Goodwill, Impairment Loss					0
Amortization of intangible assets during the period		$ 31,000,000		$ 40,000,000	$ 62,000,000	$ 83,000,000
Multiplicom
Acquisition
Purchase price of acquisition	$ 72,000,000

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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