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ACQUISITIONS (Tables)
12 Months Ended
Oct. 31, 2019
Business Acquisition [Line Items]  
Business Acquisition, Pro Forma Information
Supplemental Pro Forma Information (Unaudited)
The following represents pro forma operating results as if Ixia had been included in the company's consolidated statements of operations as of the beginning of fiscal 2017 (in millions, except per share amounts):
 
Year Ended
 
October 31,
 
2017
Net revenue
$
3,462

Net income
$
116

Net income per share - Basic
$
0.63

Net income per share - Diluted
$
0.62


Ixia [Member]  
Business Acquisition [Line Items]  
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
The following table summarizes the allocation of the purchase price to the estimated fair values of the assets acquired and liabilities assumed on the closing date of April 18, 2017 (in millions):
Cash and cash equivalents
$
72

Short-term investments
44

Accounts receivable
91

Inventory
107

Other current assets
34

Property, plant and equipment
50

Goodwill
1,117

Other intangible assets
744

Other assets
4

Total assets acquired
2,263

Accounts payable
(10
)
Employee compensation and benefits
(32
)
Deferred revenue
(35
)
Income and other taxes payable
(1
)
Other accrued liabilities
(32
)
Other long-term liabilities
(459
)
Net assets acquired
$
1,694


Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination
The components of intangible assets acquired in connection with the Ixia acquisition were as follows (in millions):
 
Estimated Fair Value
 
Estimated useful life
Developed product technology
$
423

 
4 years
Customer relationships
234

 
7 years
Tradenames and trademarks
12

 
3 years
Backlog
8

 
90 days
Total intangible assets subject to amortization
677

 
 
In-process research and development
67

 
 
Total intangible assets
$
744