Commitments and Contingencies (Details) $ in Millions	Jun. 30, 2015 USD ($)
Components of Environmental Loss Accrual [Abstract]
Accrual For Environmental Loss Contingencies	$ 17
Accrued Environmental Loss Contingencies Current	10
Federal Superfund and comparable state-managed sites	5
Formerly owned or operated sites	10
Owned or controlled sites at which Company operations have been discontinued	1
Sites utilized by the company in its ongoing operations	1
Loss Contingency, Estimate [Abstract]
Loss contingency maximum possible loss	$ 18