Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
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, 2015, 2014, and 2013 respectively)	$ 1,000,000	$ 1,000,000	$ 1,000,000
Income before income taxes, foreign	70,000,000	168,000,000	$ 153,000,000
Undistributed earnings of foreign subsidiaries amount	651,000,000
Operating loss carryforwards, benefit	463,000,000
State Jurisdiction
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards, state and local	667,000,000
Valuation allowance, amount (less than $1 for December 31, 2014)	12,000,000	$ 1,000,000
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards, state and local	0
Alternative minimum tax credit carryforward, amount	$ 39,000,000