Stockholders' Deficit (Tables)

3 Months Ended

Jan. 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 January 31
		2024		2023
	In millions
Tax effect on change in unrealized components of available-for-sale debt securities:
Tax provision on unrealized gains arising during the period		$	—	$	(1)
Tax effect on change in unrealized components of cash flow hedges:
Tax benefit on unrealized losses arising during the period		36		106
Tax provision on gains reclassified into earnings		32		78
		68		184
Tax effect on change in unrealized components of defined benefit plans:
Tax benefit on losses arising during the period		2		—
		2		—
Tax benefit on other comprehensive loss		$	70	$	183

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

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

		Three months ended January 31
		2024		2023
	In millions
Other comprehensive loss, net of taxes:
Change in unrealized components of available-for-sale debt securities:
Unrealized gains arising during the period		$	4	$	3
Change in unrealized components of cash flow hedges:
Unrealized losses arising during the period		(126)		(517)
Gains reclassified into earnings		(127)		(256)
		(253)		(773)
Change in unrealized components of defined benefit plans:
Losses arising during the period		(8)		(1)
Amortization of actuarial loss and prior service benefit(1)		2		—
Curtailments, settlements and other		—		1
		(6)		—
Change in cumulative translation adjustment		20		29
Other comprehensive loss, net of taxes		$	(235)	$	(741)

(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, Net of Taxes and Changes

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

	Three months ended January 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	4		(126)		(8)		20		(110)
Reclassifications of gain into earnings	—		(127)		2		—		(125)
Balance at end of period	$	11	$	(23)	$	(443)	$	(3)	$	(458)