Stockholders' Deficit (Tables)

9 Months Ended

Jul. 31, 2023

Stockholders' Equity Note [Abstract]

Schedule of Tax Effects Related to Other Comprehensive Income (Loss)

Tax effects related to Other Comprehensive Income (Loss)

	Three months ended July 31				Nine months ended July 31
	2023		2022		2023		2022
	In millions
Tax effect on change in unrealized components of available-for-sale debt securities:
Tax benefit (provision) on unrealized (losses) gains arising during the period	$	—	$	1	$	(1)	$	2
Tax effect on change in unrealized components of cash flow hedges:
Tax benefit (provision) on unrealized (losses) gains arising during the period	18		(159)		144		(305)
Tax (benefit) provision on losses (gains) reclassified into earnings	(15)		99		22		135
	3		(60)		166		(170)
Tax effect on change in unrealized components of defined benefit plans:
Tax benefit (provision) on gains (losses) arising during the period	—		—		(1)		—
Tax benefit on amortization of actuarial loss and prior service benefit	—		(3)		—		(5)
Tax provision on curtailments, settlements and other	—		—		—		(1)
	—		(3)		(1)		(6)
Tax effect on change in cumulative translation adjustment	—		—		—		2
Tax benefit (provision) on other comprehensive income (loss)	$	3	$	(62)	$	164	$	(172)

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

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

	Three months ended July 31				Nine months ended July 31
	2023		2022		2023		2022
	In millions
Other comprehensive income (loss), net of taxes:
Change in unrealized components of available-for-sale debt securities:
Unrealized gains (losses) arising during the period	$	1	$	—	$	4	$	(5)
Change in unrealized components of cash flow hedges:
Unrealized (losses) gains arising during the period	(50)		121		(613)		877
Losses (gains) reclassified into earnings	53		(228)		(82)		(356)
	3		(107)		(695)		521
Change in unrealized components of defined benefit plans:
Gains (losses) arising during the period	—		10		4		12
Amortization of actuarial loss and prior service benefit(1)	—		2		—		11
Curtailments, settlements and other	—		(1)		—		(2)
	—		11		4		21
Change in cumulative translation adjustment	10		(14)		48		(54)
Other comprehensive income (loss), net of taxes	$	14	$	(110)	$	(639)	$	483

(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 Accumulated Other Comprehensive Income (Loss), Net of Taxes

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

	Nine months ended July 31, 2023
	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 income (loss)
	In millions
Balance at beginning of period	$	6	$	648	$	(323)	$	(46)	$	285
Other comprehensive gain (loss) before reclassifications	4		(613)		4		48		(557)
Reclassifications of gain into earnings	—		(82)		—		—		(82)
Balance at end of period	$	10	$	(47)	$	(319)	$	2	$	(354)