Stockholders' Deficit (Tables)

9 Months Ended

Jul. 31, 2024

Stockholders' Equity Note [Abstract]

Schedule of Taxes Related to Other Comprehensive Income (Loss)

Taxes Related to Other Comprehensive Income (Loss)

	Three months ended July 31				Nine months ended July 31
	2024		2023		2024		2023
	In millions
Tax effect on change in unrealized components of available-for-sale debt securities:
Tax provision on unrealized losses arising during the period	$	(1)	$	—	$	(1)	$	(1)
Tax effect on change in unrealized components of cash flow hedges:
Tax benefit on unrealized gains arising during the period	8		18		12		144
Tax provision (benefit) on losses (gains) reclassified into earnings	19		(15)		49		22
	27		3		61		166
Tax effect on change in unrealized components of defined benefit plans:
Tax provision on gains arising during the period	—		—		(3)		(1)
Tax provision on curtailments, settlements and other	(2)		—		(3)		—
	(2)		—		(6)		(1)
Tax benefit on other comprehensive income (loss)	$	24	$	3	$	54	$	164

Schedule of Changes and Reclassifications Related to Other Comprehensive (Loss) Income, Net of Taxes

Changes and reclassifications related to Other Comprehensive (Loss) Income, net of taxes

	Three months ended July 31				Nine months ended July 31
	2024		2023		2024		2023
	In millions
Other comprehensive (loss) income, net of taxes:
Change in unrealized components of available-for-sale debt securities:
Unrealized gains arising during the period	$	2	$	1	$	6	$	4
Change in unrealized components of cash flow hedges:
Unrealized losses arising during the period	(28)		(50)		(35)		(613)
(Gains) losses reclassified into earnings	(68)		53		(202)		(82)
	(96)		3		(237)		(695)
Change in unrealized components of defined benefit plans:
Gains arising during the period	—		—		10		4
Amortization of actuarial loss and prior service benefit(1)	1		—		5		—
Curtailments, settlements and other	(1)		—		(1)		—
	—		—		14		4
Change in cumulative translation adjustment	11		10		25		48
Other comprehensive income (loss), net of taxes	$	(83)	$	14	$	(192)	$	(639)

(1)These components are included in the computation of net pension and post-retirement benefit (credit) charges in Note 4, “Retirement and Post-Retirement Benefit Plans”.

Schedule of Components of Accumulated Other Comprehensive (Loss) Income, Net of Taxes and Changes

The components of Accumulated other comprehensive (loss) income, net of taxes and changes were as follows:

	Nine months ended July 31, 2024
	Net unrealized gains (losses) on available-for-sale debt securities		Net unrealized gains (losses) on cash flow hedges		Unrealized components of defined benefit plans		Change in cumulative translation adjustment		Accumulated other comprehensive loss
	In millions
Balance at beginning of period	$	7	$	230	$	(437)	$	(23)	$	(223)
Other comprehensive gains (losses) before reclassifications	6		(35)		10		25		6
Reclassifications of (gains) losses into earnings	—		(202)		5		—		(197)
Reclassifications of settlements into earnings	—		—		(1)		—		(1)
Balance at end of period	$	13	$	(7)	$	(423)	$	2	$	(415)