Revenues - Narrative (Details) $ in Billions	Mar. 31, 2020 USD ($)
Revenue from Contract with Customer [Abstract]
Transaction price allocated to remaining performance obligations	$ 8.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-04-01
Revenue From Contract With Customer [Line Items]
Remaining revenue performance obligation, percentage of revenue expected to be recognized	20.00%
Remaining performance obligations period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01
Revenue From Contract With Customer [Line Items]
Remaining revenue performance obligation, percentage of revenue expected to be recognized	25.00%
Remaining performance obligations period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-01-01
Revenue From Contract With Customer [Line Items]
Remaining revenue performance obligation, percentage of revenue expected to be recognized	20.00%
Remaining performance obligations period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-01-01
Revenue From Contract With Customer [Line Items]
Remaining revenue performance obligation, percentage of revenue expected to be recognized	20.00%
Remaining performance obligations period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-01-01
Revenue From Contract With Customer [Line Items]
Remaining revenue performance obligation, percentage of revenue expected to be recognized	5.00%
Remaining performance obligations period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-01-01
Revenue From Contract With Customer [Line Items]
Remaining revenue performance obligation, percentage of revenue expected to be recognized	5.00%
Remaining performance obligations period	1 year

Revenue from contract with customer.

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- References

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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=109196051&loc=SL49130556-203045

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- Definition

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ 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 (b)(1)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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- Definition

Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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