Income Taxes - Deferred Income Tax Assets and Liabilities (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Deferred tax assets:    
Accrued liabilities and deferred income $ 17 $ 12
Allowance for doubtful accounts 4 3
NOL and tax credit carry forwards 293 202
Pension liability 24 62
Other assets 21 33
Less: Valuation allowance (345) (302)
Total deferred tax assets 14 10
Netted against deferred tax liabilities (8) (2)
Deferred tax assets recognized on the balance sheet 6 8
Deferred tax liabilities:    
Accumulated depreciation and amortization (44) (41)
Other (6) (6)
Total deferred tax liabilities (50) (47)
Netted against deferred tax assets 8 2
Deferred tax liabilities recognized on the balance sheet (42) (45)
Net deferred tax liability $ (36) $ (37)