Commitments and Contingencies - Narrative (Details) BRL in Millions		1 Months Ended	3 Months Ended
	Jul. 16, 2015 USD ($)	Mar. 31, 2014 BRL	Jan. 31, 2016 USD ($) site	Jan. 31, 2016 BRL	Jan. 31, 2014 BRL	Jul. 31, 2010 BRL	Jan. 31, 2016 BRL site	Oct. 31, 2015 USD ($)	Jul. 31, 2015 engine
Loss Contingencies [Line Items]
Available stand-by letters of credit and surety bonds			$ 88,000,000
Line of Credit Facility, Current Borrowing Capacity			11,000,000
Line of Credit Facility, Remaining Borrowing Capacity			8,000,000
Purchase commitments			15,000,000
Long Term Purchase Commitment Cancellation Fees			$ 51,000,000
Number of Contaminated Sites | site			2				2
Number of Contaminated Sites in Sao Paulo, Brazil | site			2				2
Accrual for environmental loss contingencies			$ 23,000,000
Sao Paulo Groundwater Notice [Member] | Sanctions [Member]
Loss Contingencies [Line Items]
Damages sought, value		BRL 3	$ 1,000,000
International Chamber of Commerce [Member] | Penalties and Interest [Member]
Loss Contingencies [Line Items]
Damages sought, value | BRL				BRL 16
Navitrucks [Member] | Alleged Unfulfilled Promises and Injury to Reputation [Member]
Loss Contingencies [Line Items]
Damages sought, value | BRL				BRL 32
Damages from Product Defects [Member]
Loss Contingencies [Line Items]
Notice of Violation, number | engine									7,749
Civil penalties sought, per violation	$ 37,500
G E Operating Agreement [Member]
Loss Contingencies [Line Items]
Operating Agreement Excess Loss Percentage			10.00%	10.00%
Loss Sharing Agreement, Percentage			9.50%				9.50%
Off Balance Sheet Finance Receivables			$ 1,400,000,000					$ 1,400,000,000
Off Balance Sheet Finance Receivables Related Originations1			2,400,000,000					2,300,000,000
G E Operating Agreement [Member]
Loss Contingencies [Line Items]
Equipment leased to others			84,000,000
Manufacturing Operations [Member] | Financed lease obligations [Member]
Loss Contingencies [Line Items]
Long-term Debt			91,000,000					$ 111,000,000
Manufacturing Operations [Member] | G E Operating Agreement [Member] | Financed lease obligations [Member]
Loss Contingencies [Line Items]
Long-term Debt			91,000,000
Pending Litigation [Member] | Disputes [Member]
Loss Contingencies [Line Items]
Damages sought, value			50,000,000
Pending Litigation [Member] | FATMA Notice, Trial [Member] | Penalties [Member]
Loss Contingencies [Line Items]
Damages sought, value			1,000,000			BRL 2
IIAA Vs. Navitrucks [Member]
Loss Contingencies [Line Items]
Gain Contingency, Unrecorded Amount			29,000,000
Navitrucks Vs. IIAA [Member]
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss			$ 29,000,000
Brazil, Brazil Real | International Chamber of Commerce [Member] | Penalties and Interest [Member]
Loss Contingencies [Line Items]
Damages sought, value | BRL				BRL 64	BRL 64
Brazil, Brazil Real | Navitrucks [Member] | Alleged Unfulfilled Promises and Injury to Reputation [Member]
Loss Contingencies [Line Items]
Damages sought, value | BRL					BRL 128
Brazil, Brazil Real | IIAA Vs. Navitrucks [Member]
Loss Contingencies [Line Items]
Gain Contingency, Unrecorded Amount | BRL							BRL 119
Brazil, Brazil Real | Navitrucks Vs. IIAA [Member]
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss | BRL							BRL 116