Retiree Benefits - Target Allocation and Weighted Average Asset Allocation (Parenthetical) (Detail) (Non-U.S. Pension Plans [Member])	12 Months Ended
	Oct. 26, 2012
Return Seeking [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
current target asset allocation for the Non-U.S. Pension Plans	32.00%
Liability Hedging [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
current target asset allocation for the Non-U.S. Pension Plans	68.00%