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Revenues - Narrative (Details)
$ in Billions
Jun. 30, 2020
USD ($)
Revenue from Contract with Customer [Abstract]  
Transaction price allocated to remaining performance obligations $ 8.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-07-01  
Revenue From Contract With Customer [Line Items]  
Remaining revenue performance obligation, percentage of revenue expected to be recognized 15.00%
Remaining performance obligations period 6 months
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 25.00%
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 15.00%
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 10.00%
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 10.00%
Remaining performance obligations period 1 year