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FAIR VALUE MEASUREMENTS, Fair value of assets and liabilities measured on a recurring basis (Details) - USD ($) $ in Millions	Jan. 31, 2023	Oct. 31, 2022	Jan. 31, 2022	Oct. 31, 2021
Liabilities
Contingent Consideration	$ 3	$ 67	$ 92	$ 89
Fair Value, Measurements, Recurring
Assets
Total assets measured at fair value	723	577
Liabilities
Total liabilities measured at fair value	67	103
Fair Value, Measurements, Recurring | Other Current Assets
Assets
Cash equivalents (money market funds)	652	492
Derivative instruments (foreign exchange contracts)	8	31
Fair Value, Measurements, Recurring | Other assets
Assets
Trading securities	36	31
Other investments	27	23
Fair Value, Measurements, Recurring | Other accrued liabilities
Liabilities
Derivative instruments (foreign exchange contracts)	28	5
Contingent Consideration	2	66
Fair Value, Measurements, Recurring | Other long-term liabilities
Liabilities
Deferred compensation liability	36	31
Contingent Consideration	1	1
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Total assets measured at fair value	688	523
Liabilities
Total liabilities measured at fair value	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Current Assets
Assets
Cash equivalents (money market funds)	652	492
Derivative instruments (foreign exchange contracts)	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other assets
Assets
Trading securities	36	31
Other investments	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other accrued liabilities
Liabilities
Derivative instruments (foreign exchange contracts)	0	0
Contingent Consideration	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other long-term liabilities
Liabilities
Deferred compensation liability	0	0
Contingent Consideration	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total assets measured at fair value	35	54
Liabilities
Total liabilities measured at fair value	64	36
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Other Current Assets
Assets
Cash equivalents (money market funds)	0	0
Derivative instruments (foreign exchange contracts)	8	31
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Other assets
Assets
Trading securities	0	0
Other investments	27	23
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Other accrued liabilities
Liabilities
Derivative instruments (foreign exchange contracts)	28	5
Contingent Consideration	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Other long-term liabilities
Liabilities
Deferred compensation liability	36	31
Contingent Consideration	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Assets
Total assets measured at fair value	0	0
Liabilities
Total liabilities measured at fair value	3	67
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Other Current Assets
Assets
Cash equivalents (money market funds)	0	0
Derivative instruments (foreign exchange contracts)	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Other assets
Assets
Trading securities	0	0
Other investments	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Other accrued liabilities
Liabilities
Derivative instruments (foreign exchange contracts)	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Other accrued liabilities | Resolution Bioscience, Inc.
Liabilities
Contingent Consideration	2	66
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Other long-term liabilities
Liabilities
Deferred compensation liability	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Other long-term liabilities | Resolution Bioscience, Inc.
Liabilities
Contingent Consideration	$ 1	$ 1

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