Commitments and Contingencies Loss Contingencies (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($) defendant affiliate_corporations entity facility number_of_companies	Dec. 31, 2014 USD ($)
Subcontract Relationship in MEA [Member]
Loss Contingencies [Line Items]
Provision for Doubtful Accounts	$ 20
Loss Contingency, Damages Sought, Value	$ 40
Fox River Site [Member]
Loss Contingencies [Line Items]
Portion Of Costs Below Threshold, Percentage	45.00%
Portion Of Costs Exceeding Threshold, Percentage	40.00%
Net Loss Contingency Accrual	$ 40
Estimate of Indemnity Asset Due From Related Party	30
Kalamazoo River Site [Member]
Loss Contingencies [Line Items]
Estimated Litigation Liability, Current	18	$ 6
Foreign Tax Authority [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	44
Loss Contingency, Range of Possible Loss, Minimum	0
Loss Contingency, Range of Possible Loss, Maximum	$ 54
Kalamazoo River Site [Member]
Loss Contingencies [Line Items]
Total Corporation Plaintiffs | affiliate_corporations	3
Total Past Costs Being Tried	$ 50
Additional Companies Receiving General Notice Letters | number_of_companies	3
Total Additional Defendants | defendant	2
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
Allocation Litigation Final Judgment	$ 76
Total Companies Included In Injunction Order | number_of_companies	4
Divisibility Of Responsibility Ruling	28.00%
Net Loss Contingency Accrual	$ 26
Fox River LLC Funding Remainder Other Current Asset	0	$ 0
Estimate of Indemnity Asset Due From Related Party	15
Total Amount Received from Settlements with Insurance Carriers	173
Portion of Insurance Settlements Subject to Competing Claims	$ 9
NCR Former Obligation Percentage	100.00%
Former NCR Total Operable Units Responsibility	4
Total Operable Units	5
BAT And API Funding Obligation Under The Cost Sharing Agreement	50.00%
BAT And API Obligation Under The Cost Sharing Agreement	60.00%