Subsequent Event (Details) - Subsequent Event [Member] $ in Millions	Oct. 24, 2014 USD ($)
Subsequent Event [Line Items]
Expected Cash Proceeds on Sale of Assets	$ 475
Expected Total Proceeds Working Capital	60
Expected After Tax Net Cash Proceeds	418
Minimum [Member]
Subsequent Event [Line Items]
Expected Assets Impairment Charge	350
Maximum [Member]
Subsequent Event [Line Items]
Expected Assets Impairment Charge	$ 400