DEBT Summary of Long Term Debt incl. unamortized cost (Details) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2025	Oct. 31, 2024
Debt Instrument
Debt, Long-Term and Short-Term, Combined Amount	$ 2,532	$ 1,790
Long-term Debt, Excluding Current Maturities	2,532	1,790
Senior Notes 2030
Debt Instrument
Debt Instrument, Face Amount	$ 750
Debt Instrument, Interest Rate, Stated Percentage	5.35%
Debt Instrument, Maturity Date	Jul. 30, 2030
Debt Instrument, Frequency of Periodic Payment	semi-annually
Debt Issuance Costs, Gross	$ 7
Debt Instrument, Date of First Required Payment	Jan. 30, 2026
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	99.76%
Senior Notes 2027
Debt Instrument
Senior Notes	$ 699	698
Unamortized costs	1	2
Debt Instrument, Face Amount	$ 700
Debt Instrument, Interest Rate, Stated Percentage	4.60%
Senior Notes 2029
Debt Instrument
Senior Notes	$ 498	498
Unamortized costs	2	2
Debt Instrument, Face Amount	$ 500
Debt Instrument, Interest Rate, Stated Percentage	3.00%
Senior Notes 2030
Debt Instrument
Senior Notes	$ 741	0
Unamortized costs	9
Debt Instrument, Face Amount	$ 750
Debt Instrument, Interest Rate, Stated Percentage	5.35%
Senior Notes 2034
Debt Instrument
Senior Notes	$ 594	594
Unamortized costs	6	$ 6
Debt Instrument, Face Amount	$ 600
Debt Instrument, Interest Rate, Stated Percentage	4.95%