Guarantees (Tables)

6 Months Ended

Apr. 30, 2012

Guarantees

Changes in aggregate product warranty liabilities

	In millions
Product warranty liability at October 31, 2011	$	2,451
Accruals for warranties issued		1,158
Adjustments related to pre-existing warranties (including changes in estimates)		(62	)
Settlements made (in cash or in kind)		(1,242	)
Product warranty liability at April 30, 2012	$	2,305