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SHARE-BASED COMPENSATION Fair Value Assumptions (Details)	3 Months Ended		6 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Weighted average risk-free interest rate	4.00%	4.20%	4.10%	4.40%
Dividend yield	0.80%	0.70%	0.70%	0.80%
Weighted average volatility	29.00%	29.00%	29.00%	29.00%
Expected Life	5 years 6 months	5 years 6 months	5 years 6 months	5 years 6 months
LTPP & RSU
Share-based Compensation Arrangement by Share-based Payment Award
Post-vest holding restriction discount for all executive awards	6.70%	6.40%	6.70%	6.40%
Performance Shares [LTPP]
Share-based Compensation Arrangement by Share-based Payment Award
Volatility of Agilent shares	30.00%	28.00%	30.00%	28.00%
Volatility of selected peer-company shares - Minimum	16.00%	16.00%	16.00%	16.00%
Volatility of selected peer-company shares - Maximum	62.00%	70.00%	62.00%	70.00%
Pair-wise correlation with selected peers (in hundredths)	29.00%	30.00%	29.00%	30.00%

X

- Definition

The measure of the percentage amount of share price correlation during the period with a selected group of peer companies. Pair-wise correlations with selected peers is calculated as the correlation between each pair and the sum of correlations divided by the number of pairs to produce the average correlation between each pair.

+ References

No definition available.

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- Definition

The measure of the percentage amount by which a share price fluctuates during a period for peer companies - maximum range. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

+ References

No definition available.

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The measure of the percentage amount by which a share price fluctuates during a period for peer companies - minimum range. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

+ References

No definition available.

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Restrictions on equity-based instruments during the vesting period, such as the inability to transfer unvested awards, are not taken into account in estimating the fair value of the award. However, restrictions that remain in effect after an award is vested, such as the inability to transfer or hedge vested options or a prohibition on the sale of outstanding vested shares (or other type of equity) for a period of time, affect the estimate of an award's fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(v)
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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Rate of weighted-average expected volatility for award under share-based payment arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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