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Other (Income) Expense - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Other (Income) Expense [Line Items]        
Other (income) expense $ 45,000,000 $ 16,000,000 $ 82,000,000 $ 24,000,000
Insurance recoveries     2,000,000  
Gain (loss) on changes in liability assumptions, probably insurance recoveries     2,000,000  
Gain (loss) on disposition of assets   6,000,000   6,000,000
Professional fees 10,000,000   14,000,000  
Insurance deductible $ 8,000,000   11,000,000  
7% Senior Notes Due 2022 | Senior Notes        
Other (Income) Expense [Line Items]        
Payment for debt extinguishment or debt prepayment cost   25,000,000   25,000,000
Debt instrument, face amount   $ 700,000,000   $ 700,000,000
Interest rate, stated percentage   7.00%   7.00%
Accounting Standards Update, Pension and Postretirement Benefits Cost | Restatement Adjustment        
Other (Income) Expense [Line Items]        
Other (income) expense     $ 9,000,000