Guarantees (Tables)

9 Months Ended

Jul. 31, 2011

Guarantees

Changes in aggregate product warranty liabilities

	In millions
Product warranty liability at October 31, 2010	$	2,447
Accruals for warranties issued		1,966
Adjustments related to pre-existing warranties (including changes in estimates)		(40	)
Settlements made (in cash or in kind)		(1,961	)
Product warranty liability at July 31, 2011	$	2,412