XML 57 R45.htm IDEA: XBRL DOCUMENT v3.22.1
Revenue Recognition - Performance Obligations Expected Timing of Satisfaction (Details)
$ in Millions
Mar. 31, 2022
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Estimated future fixed fee performance obligations $ 151
Revenue remaining performance obligation period 9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Estimated future fixed fee performance obligations $ 52
Revenue remaining performance obligation period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Estimated future fixed fee performance obligations $ 1
Revenue remaining performance obligation period 1 year