Property and Equipment, net - Depreciation Expense, Amortization Expense , and Interest Capitalized (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 260	$ 248	$ 260
Amortization expense	0	4	1
Interest capitalized	5	9	18
Equipment Leased to Other Party [Member]
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 135	$ 46	$ 38