Commiments and Contingencies Commiments and Contingencies (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Loss Contingencies [Line Items]
Total contingencies	$ 9	$ 10
Current portion (included in other current liabilities)	(2)	(2)
Long-term portion (included in other long-term liabilities)	7	8
Environmental reserves
Loss Contingencies [Line Items]
Total contingencies	9	10
Other reserves
Loss Contingencies [Line Items]
Total contingencies	$ 0	$ 0

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No definition available.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

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Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

+ References

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Amount of loss contingency liability expected to be resolved after one year or beyond the normal operating cycle, if longer.

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