XML 56 R44.htm IDEA: XBRL DOCUMENT v3.21.2
Revenue - Unsatisfied Performance Obligations (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01
$ in Millions
Jun. 30, 2021
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Unsatisfied performance obligation $ 430
Unsatisfied performance obligation, period of recognition 3 years