Restructuring (Tables)

9 Months Ended

Jul. 31, 2018

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Activities

Restructuring activities related to the Company's employees and infrastructure for the 2015 and 2012 Plans are presented in the table below:

	2015 Plan						2012 Plan
	Employee Severance			Infrastructure and other			Employee Severance and EER			Infrastructure and other			Total
	In millions
Liability as of October 31, 2017	$	219		$	17		$	16		$	2		$	254
Charges	5			(2		)	12			(1		)	14
Cash payments	(147		)	(8		)	(12		)	—			(167		)
Non-cash items	(3		)	4			(1		)	—			—
Liability as of July 31, 2018	$	74		$	11		$	15		$	1		$	101
Total costs incurred to date, as of July 31, 2018	$	747		$	78		$	1,267		$	145		$	2,237
Total costs expected to be incurred, as of July 31, 2018	$	747		$	78		$	1,267		$	145		$	2,237

	Employee Severance			Infrastructure and other
	In millions
Liability as of October 31, 2017	$	296		$	—
Charges	347			38
Cash payments	(365		)	(8		)
Non-cash items	(13		)	(8		)
Liability as of July 31, 2018	$	265		$	22
Total costs incurred to date, as of July 31, 2018	$	643		$	38
Total costs expected to be incurred, as of July 31, 2018	$	750		$	180