Subsequent Event - Additional Information (Detail) - Subsequent Event [Member] - Specialty Papers [Member] $ in Millions	Jul. 27, 2017 USD ($) Position Machine T
Subsequent Event [Line Items]
Business capacity reduction | T	80,000
Business capacity reduction in percentage	10.00%
Expected to absorbed by remaining paper machines | Machine	7
Restructuring and related cost expected to annual net profitability	$ 9
Minimum [Member]
Subsequent Event [Line Items]
Restructuring and related cost, pre-tax charge to earnings	8
Restructuring and related cost, estimated of non-cash charges	5
Maximum [Member]
Subsequent Event [Line Items]
Restructuring and related cost, pre-tax charge to earnings	9
Restructuring and related cost, estimated of non-cash charges	$ 6
Hourly Positions [Member]
Subsequent Event [Line Items]
Number of business unit positions eliminated | Position	50
Salary Positions [Member]
Subsequent Event [Line Items]
Number of business unit positions eliminated | Position	70