Income Taxes (Narrative) (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits that would favorably impact the effective tax rate	$ 66,000,000
Estimated change in liability for unrecognized tax benefits, within the next twelve months	59,000,000
Unrecognized tax benefits	80,000,000	110,000,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	2,723,000,000	2,958,000,000
Reduction of state net operating losses	60,000,000
Tax credit carryforward valuation allowance	$ 65,000,000