Income Taxes (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating Loss Carryforwards [Line Items]      
Federal statutory income tax rate 35.00%    
Unrecognized tax benefits, interest on income taxes expense (less than $1 for December 31, 2014, 2013, and 2012 respectively) $ 1,000,000 $ 1,000,000 $ 1,000,000
Income before income taxes, foreign 168,000,000 153,000,000 144,000,000
Undistributed earnings of foreign subsidiaries amount 595,000,000    
Operating loss carryforwards, benefit 71,000,000    
State Jurisdiction      
Operating Loss Carryforwards [Line Items]      
Deferred tax assets, operating loss carryforwards, state and local 915,000,000    
Valuation allowance, amount (less than $1 for December 31, 2014 and 2013 respectively) 1,000,000 1,000,000  
Domestic Tax Authority      
Operating Loss Carryforwards [Line Items]      
Deferred tax assets, operating loss carryforwards, state and local 463,000,000    
Alternative minimum tax credit carryforward, amount 29,000,000    
Tax Year, 2014 | Domestic Tax Authority      
Operating Loss Carryforwards [Line Items]      
Deferred tax assets, operating loss carryforwards, state and local $ 0