Debt - Schedule of Debt Instruments (Details) - USD ($) $ in Millions	Apr. 30, 2016	Oct. 31, 2015
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations	$ 3,974	$ 4,188
Financial Services Operations [Member]
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations, Including Current Maturities	2,074	2,100
Long-term Debt and Capital Lease Obligations, Current	1,168	1,007
Long-term Debt and Capital Lease Obligations	906	1,093
Financial Services Operations [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt	933	870
Financial Services Operations [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Long-term Debt	947	1,063
Financial Services Operations [Member] | Commercial Paper [Member]
Debt Instrument [Line Items]
Long-term Debt	88	86
Financial Services Operations [Member] | Borrowings Secured By Operating and Finance Leases [Member]
Debt Instrument [Line Items]
Long-term Debt	106	81
Manufacturing Operations [Member]
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations, Including Current Maturities	3,151	3,198
Long-term Debt and Capital Lease Obligations, Current	83	103
Long-term Debt and Capital Lease Obligations	3,068	3,095
Manufacturing Operations [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	15	17
Long-term Debt	1,022	1,023
Manufacturing Operations [Member] | Notes Payable to Banks [Member] | Eight Point Two Five Percent Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 17	18
Debt Instrument, Interest Rate, Stated Percentage	8.25%
Long-term Debt	$ 1,183	1,182
Manufacturing Operations [Member] | Convertible Subordinated Debt [Member] | Four Point Five Zero Senior Subordinated Convertible Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 12	14
Debt Instrument, Interest Rate, Stated Percentage	4.50%
Long-term Debt	$ 188	186
Manufacturing Operations [Member] | Convertible Subordinated Debt [Member] | Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 28	32
Debt Instrument, Interest Rate, Stated Percentage	4.75%
Long-term Debt	$ 383	379
Manufacturing Operations [Member] | Debt Of Majority Owned Dealerships [Member]
Debt Instrument [Line Items]
Long-term Debt	13	28
Manufacturing Operations [Member] | Financing Arrangements and Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 46	49
Manufacturing Operations [Member] | Tax Exempt Bond [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.50%
Long-term Debt	$ 225	225
Manufacturing Operations [Member] | Financed lease obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	75	111
Manufacturing Operations [Member] | Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 16	$ 15