Rendering

Component: (Network and Table)
Network
100780 - Disclosure - Pension Plans and Other Post-Retirement Benefit Plans - Change in Accrued Benefit Obligation (Detail)
(http://www.domtar.com/20161231/taxonomy/role/DisclosurePensionPlansAndOtherPostRetirementBenefitPlansChangeInAccruedBenefitObligationDetail)
TableSchedule Of Defined Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001381531 (http://www.sec.gov/CIK)
Defined Benefit Plan Disclosure [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Defined Benefit Plans and Other Postretirement Benefit PlansDefined Benefit Plans and Other Postretirement Benefit PlansDefined Benefit Plans and Other Postretirement Benefit Plans
Pension Plans [Member]Other Post-Retirement Benefit Plans [Member]Pension Plans [Member]Other Post-Retirement Benefit Plans [Member]Pension Plans [Member]Other Post-Retirement Benefit Plans [Member]
Accrued benefit obligation at beginning of year
1,509,000,000  
86,000,000  
1,723,000,000  
105,000,000  
  
Service cost for the year
31,000,000  
2,000,000  
34,000,000  
2,000,000  
35,000,000  
2,000,000  
Interest expense
51,000,000  
4,000,000  
60,000,000  
4,000,000  
77,000,000  
5,000,000  
Plan participants' contributions
6,000,000  
 
6,000,000  
   
Actuarial loss (gain)
46,000,000  
1,000,000  
(25,000,000) 
(5,000,000) 
  
Plan amendments
  
10,000,000  
   
Benefits paid
(83,000,000) 
 
(76,000,000) 
   
Direct benefit payments
(4,000,000) 
(5,000,000) 
(3,000,000) 
(5,000,000) 
  
Settlement
(6,000,000) 
 
(1,000,000) 
   
Effect of foreign currency exchange rate change
34,000,000  
2,000,000  
(219,000,000) 
(15,000,000) 
  
Accrued benefit obligation at end of year
1,584,000,000  
 
90,000,000  
 
1,509,000,000  
 
86,000,000  
 
1,723,000,000  
 
105,000,000