STOCKHOLDERS' EQUITY - Changes in accumulated other comprehensive income (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Beginning Balance	$ (305)	$ (327)
Other comprehensive income (loss) before reclassifications	101	45
Amounts reclassified out of accumulated other comprehensive income (loss)	(14)	(23)
Other Comprehensive Income (Loss), Tax	8	0
Other Comprehensive Income (Loss)	79	22	$ 20
Ending Balance	(226)	(305)	(327)
Accumulated other comprehensive loss	(226)	(305)
Foreign Currency Translation
Beginning Balance	(323)	(301)
Other comprehensive income (loss) before reclassifications	31	(11)
Amounts reclassified out of accumulated other comprehensive income (loss)	0	(8)
Other Comprehensive Income (Loss), Tax	5	3
Other Comprehensive Income (Loss)	26	(22)
Ending Balance	(297)	(323)	(301)
Prior Service Credits
Beginning Balance	121	122
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified out of accumulated other comprehensive income (loss)	(1)	(1)
Other Comprehensive Income (Loss), Tax	0	0
Other Comprehensive Income (Loss)	(1)	(1)
Ending Balance	120	121	122
Actuarial Losses
Beginning Balance	(112)	(165)
Other comprehensive income (loss) before reclassifications	71	65
Amounts reclassified out of accumulated other comprehensive income (loss)	(21)	(12)
Other Comprehensive Income (Loss), Tax	2	0
Other Comprehensive Income (Loss)	48	53
Ending Balance	(64)	(112)	(165)
Unrealized Gains (Losses) on Derivatives
Beginning Balance	9	17
Other comprehensive income (loss) before reclassifications	(1)	(9)
Amounts reclassified out of accumulated other comprehensive income (loss)	8	(2)
Other Comprehensive Income (Loss), Tax	1	(3)
Other Comprehensive Income (Loss)	6	(8)
Ending Balance	$ 15	$ 9	$ 17