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Commitments and Contingencies (Details) $ in Millions | Jun. 30, 2015 USD ($)
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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

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