XML 49 R38.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue Recognition - Performance Obligations (Details)
$ in Billions
Jun. 30, 2020
USD ($)
Revenue from Contract with Customer [Abstract]  
Remaining performance obligation $ 6.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01  
Revenue from Contract with Customer [Abstract]  
Remaining performance obligation $ 2.1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Expected timing of satisfaction, period (years) 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Expected timing of satisfaction, period (years)