Financial Instruments - Schedule of Gross Notional and Fair Value of Derivative Financial Instruments in the Consolidated Condensed Balance Sheets (Details) - USD ($) $ in Millions	Jan. 31, 2017	Oct. 31, 2016
Derivatives, Fair Value
Outstanding Gross Notional	$ 18,634	$ 17,936
Gross Amount Recognized	171	325
Derivative Liabilities	247	97
Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	144	214
Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	27	111
Other Accrued Liabilities
Derivatives, Fair Value
Derivative Liabilities	196	85
Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	51	12
Derivatives designated as hedging instruments
Derivatives, Fair Value
Outstanding Gross Notional	14,674	13,852
Derivatives designated as hedging instruments | Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	131	203
Derivatives designated as hedging instruments | Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	24	111
Derivatives designated as hedging instruments | Other Accrued Liabilities
Derivatives, Fair Value
Derivative Liabilities	156	52
Derivatives designated as hedging instruments | Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	48	12
Derivatives designated as hedging instruments | Fair value hedges | Interest rate contracts
Derivatives, Fair Value
Outstanding Gross Notional	2,500	2,000
Derivatives designated as hedging instruments | Fair value hedges | Interest rate contracts | Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	0	0
Derivatives designated as hedging instruments | Fair value hedges | Interest rate contracts | Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	4	48
Derivatives designated as hedging instruments | Fair value hedges | Interest rate contracts | Other Accrued Liabilities
Derivatives, Fair Value
Derivative Liabilities	0	0
Derivatives designated as hedging instruments | Fair value hedges | Interest rate contracts | Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	8	0
Derivatives designated as hedging instruments | Cash flow hedges | Foreign currency contracts
Derivatives, Fair Value
Outstanding Gross Notional	12,174	11,852
Derivatives designated as hedging instruments | Cash flow hedges | Foreign currency contracts | Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	131	203
Derivatives designated as hedging instruments | Cash flow hedges | Foreign currency contracts | Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	20	63
Derivatives designated as hedging instruments | Cash flow hedges | Foreign currency contracts | Other Accrued Liabilities
Derivatives, Fair Value
Derivative Liabilities	156	52
Derivatives designated as hedging instruments | Cash flow hedges | Foreign currency contracts | Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	40	12
Derivatives not designated as hedging instruments
Derivatives, Fair Value
Outstanding Gross Notional	3,960	4,084
Derivatives not designated as hedging instruments | Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	13	11
Derivatives not designated as hedging instruments | Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	3	0
Derivatives not designated as hedging instruments | Other Accrued Liabilities
Derivatives, Fair Value
Derivative Liabilities	40	33
Derivatives not designated as hedging instruments | Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	3	0
Derivatives not designated as hedging instruments | Foreign currency contracts
Derivatives, Fair Value
Outstanding Gross Notional	3,808	3,934
Derivatives not designated as hedging instruments | Foreign currency contracts | Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	12	11
Derivatives not designated as hedging instruments | Foreign currency contracts | Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	3	0
Derivatives not designated as hedging instruments | Foreign currency contracts | Other Accrued Liabilities
Derivatives, Fair Value
Derivative Liabilities	40	31
Derivatives not designated as hedging instruments | Foreign currency contracts | Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	3	0
Derivatives not designated as hedging instruments | Other derivatives
Derivatives, Fair Value
Outstanding Gross Notional	152	150
Derivatives not designated as hedging instruments | Other derivatives | Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	1	0
Derivatives not designated as hedging instruments | Other derivatives | Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	0	0
Derivatives not designated as hedging instruments | Other derivatives | Other Accrued Liabilities
Derivatives, Fair Value
Derivative Liabilities	0	2
Derivatives not designated as hedging instruments | Other derivatives | Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	$ 0	$ 0