Restructuring (Tables)

12 Months Ended

Oct. 31, 2017

Restructuring and Related Activities [Abstract]

Summary of Restructuring Plans

Restructuring activities related to the Company's employees and infrastructure, summarized by plan, are presented in the table below:

	Fiscal 2015 Plan						Fiscal 2012 Plan
	Employee Severance			Infrastructure and other			Employee Severance and EER			Infrastructure and other			Total
	In millions
Liability as of October 31, 2014	$	—		$	—		$	133		$	72		$	205
Charges	67			1			133			—			201
Cash payments	—			(1		)	(230		)	(33		)	(264		)
Non-cash items	—			—			11			(2		)	9
Liability as of October 31, 2015	$	67		$	—		$	47		$	37		$	151
Charges	301			42			75			1			419
Cash payments	(172		)	(19		)	(82		)	(15		)	(288		)
Non-cash items	38			(10		)	(3		)	(9		)	16
Liability as of October 31, 2016	$	234		$	13		$	37		$	14		$	298
Charges	374			37			6			—			417
Cash payments	(355		)	(19		)	(32		)	(6		)	(412		)
Non-cash items	(34		)	(14		)	5			(6		)	(49		)
Liability as of October 31, 2017	$	219		$	17		$	16		$	2		$	254
Total costs incurred to date as of October 31, 2017	$	742		$	80		$	1,255		$	146		$	2,223
Total expected costs to be incurred as of October 31, 2017	$	742		$	80		$	1,255		$	146		$	2,223

	Employee Severance		Infrastructure and other
	In millions
Liability as of October 31, 2016	$	—	$	—
Charges	296		—
Liability as of October 31, 2017	$	296	$	—
Total costs incurred to date as of October 31, 2017	$	296	$	—
Total expected costs to be incurred as of October 31, 2017	$	750	$	180