Guarantees, Indemnifications and Warranties (Tables)

3 Months Ended

Jan. 31, 2017

Guarantees [Abstract]

Changes in aggregate product warranty liabilities and changes

The Company's aggregate product warranty liabilities as of January 31, 2017, and changes during the three months ended January 31, 2017 were as follows:

	Three months ended January 31, 2017
	In millions
Balance at beginning of period	$	497
Accruals for warranties issued	84
Adjustments related to pre-existing warranties (including changes in estimates)	(3		)
Settlements made (in cash or in kind)	(61		)
Balance at end of period	$	517