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SHARE-BASED COMPENSATION (Tables) | 3 Months Ended
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Jan. 31, 2019
Share-based Compensation [Abstract] |
Allocated share-based compensation expense disclosure | The impact on our results for share-based compensation was as follows:
| Three Months Ended
| January 31,
| 2019 |  | 2018
| (in millions)
Cost of products and services | $ | 5 |  |  | $ | 7 |
Research and development | 2 |  |  | 3 |
Selling, general and administrative | 17 |  |  | 21 |
Total share-based compensation expense | $ | 24 |  |  | $ | 31 |
Assumptions used to estimate fair value for LTPP | The following assumptions were used to estimate the fair value of awards granted.
| Three Months Ended
| January 31,
| 2019 |  | 2018
LTPP: |  |  |
Volatility of Agilent shares | 22% |  | 21%
Volatility of selected peer-company shares | 15%-66% |  | 14%-66%
Pair-wise correlation with selected peers | 30% |  | 32%
Post-vest holding restriction discount for all executive awards | 5.0% |  | 4.8%

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, and long-term performance plan grants. + References No definition available. + Details
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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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