OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Acquisition of Ixia (Details) - Ixia [Member] - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Apr. 18, 2017 |
Apr. 30, 2017 |
|
| Business Acquisition [Line Items] | ||
| Business Acquisition, Effective Date of Acquisition | Apr. 18, 2017 | |
| Payments to Acquire Businesses, Net of Cash Acquired | $ 1,622 | |
| Cash and Equivalents acquired | $ 72 |