Commitments And Contingencies Environmental Matters (Details) - USD ($) $ in Millions |
Jun. 30, 2015 |
Dec. 31, 2014 |
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| Environmental Exit Cost [Line Items] | ||
| Accrual for Environmental Loss Contingencies | $ 5 | $ 5 |
| Accrued Environmental Loss Contingencies, Noncurrent | 4 | 4 |
| Accrued Liabilities | ||
| Environmental Exit Cost [Line Items] | ||
| Accrued Environmental Loss Contingencies, Current | 1 | 1 |
| Other Long-Term Liabilities | ||
| Environmental Exit Cost [Line Items] | ||
| Accrued Environmental Loss Contingencies, Noncurrent | 4 | 4 |
| Discontinued Operations | Liabilities Held for Sale | ||
| Environmental Exit Cost [Line Items] | ||
| Accrual for Environmental Loss Contingencies | $ 7 | $ 16 |
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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