Segments and Related Information - Narrative (Details) $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($) segment	Sep. 30, 2019
Segment Reporting [Abstract]
Number of reportable segments \| segment	3
Segment Reporting Information [Line Items]
Revenue, remaining performance obligation \| $	$ 157
Revenue, remaining performance obligation, percentage of obligations, remaining fiscal year	14.00%
Revenue, remaining performance obligation, percentage of obligations, remaining in year two	38.00%
Transferred over Time
Segment Reporting Information [Line Items]
Revenue from contract with customer, percentage of revenue	62.00%	67.00%

Revenue, Remaining Performance Obligation, Percentage, Remaining Fiscal Year

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- Definition

Revenue, Remaining Performance Obligation, Percentage, Remaining in Year Two

+ References

No definition available.

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- Definition

Revenue from Contract with Customer, Percentage of Revenue

+ References

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045

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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.

+ References

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