Commitments and Contingencies - Loss Contingencies (Details) R$ in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018 BRL (R$)	Mar. 31, 2018 USD ($) defendant affiliate_corporations entity facility number_of_companies	Dec. 31, 2017 USD ($)
Fox River Site [Member]
Loss Contingencies [Line Items]
Number of Potentially Responsible Parties | entity		8
Number of Previously Owned Carbonless Copy Paper Manufacturing Facilities | facility		2
Threshold For Environmental Cleanup Costs		$ 75
BAT And API Obligation Under The Cost Sharing Agreement		60.00%
BAT And API Funding Obligation Under The Cost Sharing Agreement		50.00%
Receivable under Funding Agreement		$ 39	$ 38
Gross Loss Contingency Accrual		33	36
Net Loss Contingency Accrual		32	35
Total Amount Received from Settlements with Insurance Carriers		$ 202
Kalamazoo River Site [Member]
Loss Contingencies [Line Items]
Additional Companies Receiving General Notice Letters | number_of_companies		3
Total Additional Defendants | defendant		2
Total Corporation Plaintiffs | affiliate_corporations		3
GP Costs incurred in the pasted related to Kalamazoo		$ 50
NCR Share of Costs related to Kalamazoo	40.00%	40.00%
Loss Contingency Accrual		$ 46	1
Fox River LLC [Member] | Fox River Site [Member]
Loss Contingencies [Line Items]
Fox River LLC Funding Remainder Other Current Asset			$ 0
Fox River Site [Member]
Loss Contingencies [Line Items]
Portion Of Costs Below Threshold, Percentage		45.00%
Portion Of Costs Exceeding Threshold, Percentage		40.00%
Foreign Tax Authority [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	R$ 168	$ 50
Minimum [Member] | Foreign Tax Authority [Member]
Loss Contingencies [Line Items]
Loss Contingency, Range of Possible Loss		0
Maximum [Member] | Foreign Tax Authority [Member]
Loss Contingencies [Line Items]
Loss Contingency, Range of Possible Loss		$ 75