Restructuring (Tables)

6 Months Ended

Apr. 30, 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	3			(1		)	11			(1		)	12
Cash payments	(136		)	(6		)	(10		)	—			(152		)
Non-cash items	1			3			1			—			5
Liability as of April 30, 2018	$	87		$	13		$	18		$	1		$	119
Total costs incurred to date, as of April 30, 2018	$	745		$	79		$	1,266		$	145		$	2,235
Total costs expected to be incurred, as of April 30, 2018	$	745		$	79		$	1,266		$	145		$	2,235

	Employee Severance			Infrastructure and other
	In millions
Liability as of October 31, 2017	$	296		$	—
Charges	229			27
Cash payments	(255		)	(7		)
Non-cash items	(3		)	(6		)
Liability as of April 30, 2018	$	267		$	14
Total costs incurred to date, as of April 30, 2018	$	525		$	27
Total costs expected to be incurred, as of April 30, 2018	$	750		$	180