Stockholders' Equity (Tables)

12 Months Ended

Oct. 31, 2020

Stockholders' Equity Note [Abstract]

Schedule of tax effects related to changes in Other Comprehensive (Loss) Income

Taxes related to Other Comprehensive Loss

	Fiscal years ended October 31,
	2020		2019		2018
	In millions
Taxes on change in net unrealized gains (losses) on cash flow hedges:
Tax (provision) benefit on net unrealized gains (losses) arising during the period	(10)		(33)		(22)
Tax provision (benefit) on net (gains) losses reclassified into earnings	21		43		(1)
	11		10		(23)
Taxes on change in unrealized components of defined benefit plans:
Tax (provision) benefit on net unrealized gains (losses) arising during the period	10		40		2
Tax provision on amortization of net actuarial loss and prior service benefit	(17)		(13)		(14)
Tax provision on curtailments, settlements and other	(1)		(1)		(10)
	(8)		26		(22)
Taxes on change in cumulative translation adjustment:
Tax (provision) benefit on cumulative translation adjustment arising during the period	5		—		3
	5		—		3
Tax (provision) benefit on other comprehensive loss	$	8	$	36	$	(42)

Schedule of changes and reclassifications related to items of Other Comprehensive (Loss) Income, net of taxes

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

	Fiscal years ended October 31,
	2020		2019		2018
	In millions
Other comprehensive loss, net of taxes:
Change in net unrealized gains (losses) on available-for-sale securities:
Net unrealized gains (losses) arising during the period	$	(1)	$	9	$	(3)
(Gains) losses reclassified into earnings	(4)		(3)		(9)
	(5)		6		(12)
Change in net unrealized gains (losses) on cash flow hedges:
Net unrealized gains (losses) arising during the period	(50)		275		147
Net (gains) losses reclassified into earnings	—		(328)		7
	(50)		(53)		154
Change in unrealized components of defined benefit plans:
Net unrealized gains (losses) arising during the period	(348)		(661)		(421)
Amortization of net actuarial loss and prior service benefit	232		203		177
Curtailments, settlements and other	9		14		12
	(107)		(444)		(232)
Change in cumulative translation adjustment:
Cumulative translation adjustment arising during the period	(7)		(18)		(67)
Release of cumulative translation adjustment as a result of divestitures and country exits	—		—		20
	(7)		(18)		(47)
Other comprehensive loss, net of taxes	$	(169)	$	(509)	$	(137)

Schedule of Accumulated Other Comprehensive loss, net of taxes

The components of accumulated other comprehensive loss, net of taxes as of October 31, 2020 and changes during fiscal 2020 were as follows:

	Net unrealized gains (losses) on available-for-sale securities		Net unrealized gains (losses) on cash flow hedges		Unrealized components of defined benefit plans		Cumulative translation adjustment		Accumulated other comprehensive loss
	In millions
Balance at beginning of period	$	23	$	53	$	(3,366)	$	(437)	$	(3,727)
Effect of change in accounting principle (1)	—		(10)		—		(33)		(43)
Other comprehensive income (loss) before reclassifications	(1)		(50)		(348)		(7)		(406)
Reclassifications of (gains) losses into earnings	(4)		—		241		—		237
Balance at end of period	$	18	$	(7)	$	(3,473)	$	(477)	$	(3,939)

(1)Reflects the adoption of the FASB guidance on stranded tax effects. For more information, see Note 1 "Overview and Summary of Significant Accounting Policies".