Guarantees (Tables)

12 Months Ended

Oct. 31, 2011

Guarantees

Changes in aggregate product warranty liabilities

	2011			2010
	In millions
Product warranty liability at beginning of year	$	2,447		$	2,409
Accruals for warranties issued		2,657			2,689
Adjustments related to pre-existing warranties (including changes in estimates)		(33	)		(53	)
Settlements made (in cash or in kind)		(2,620	)		(2,598	)
Product warranty liability at end of year	$	2,451		$	2,447