Restructuring (Tables)

3 Months Ended

Jan. 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	2			2			—			(1		)	3
Cash payments	(108		)	(4		)	(6		)	—			(118		)
Non-cash items	6			—			2			—			8
Liability as of January 31, 2018	$	119		$	15		$	12		$	1		$	147
Total costs incurred to date, as of January 31, 2018	$	744		$	82		$	1,255		$	145		$	2,226
Total costs expected to be incurred, as of January 31, 2018	$	744		$	82		$	1,255		$	145		$	2,226

	Employee Severance			Infrastructure and other
	In millions
Liability as of October 31, 2017	$	296		$	—
Charges	162			9
Cash payments	(106		)	(2		)
Non-cash items	7			(3		)
Liability as of January 31, 2018	$	359		$	4
Total costs incurred to date, as of January 31, 2018	$	458		$	9
Total costs expected to be incurred, as of January 31, 2018	$	750		$	180