GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
 6 Months Ended
Apr. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill balances and movements for each reportable segments during the period
The following table presents goodwill balances and the movements for each of our reportable segments as of and for the six months ended April 30, 2017:
 
Communications Solutions Group
 
Electronic Industrial Solutions Group
 
Ixia Solutions Group
 
Services Solutions Group
 
Total
 
(in millions)
Goodwill as of October 31, 2016
$
456

 
$
216

 
$
—

 
$
64

 
$
736

Foreign currency translation impact
(11
)
 
—

 
—

 
—

 
(11
)
Goodwill arising from acquisitions
—

 
—

 
977

 
—

 
977

Goodwill as of April 30, 2017
$
445

 
$
216

 
$
977

 
$
64

 
$
1,702
Components of other intangibles during the period

The components of other intangible assets as of April 30, 2017 and October 31, 2016 are shown in the table below:
 
Other Intangible Assets as of April 30, 2017
 
Other Intangible Assets as of October 31, 2016
 
Gross
Carrying
Amount
 
Accumulated
Amortization
and
Impairments
 
Net Book
Value
 
Gross
Carrying
Amount
 
Accumulated
Amortization
and
Impairments
 
Net Book
Value
 
(in millions)
Developed technology
$
735

 
$
180

 
$
555

 
$
309

 
$
159

 
$
150

Backlog
14

 
6

 
8

 
4

 
4

 
—

Trademark/Tradename
32

 
5

 
27

 
20

 
4

 
16

Customer relationships
301

 
40

 
261

 
65

 
35

 
30

Total amortizable intangible assets
1,082

 
231


851

 
398

 
202

 
196

In-Process R&D
67

 
—

 
67

 
12

 
—

 
12

Total
$
1,149

 
$
231

 
$
918

 
$
410

 
$
202

 
$
208