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Revenue Recognition (Performance obligations) (Details)
$ in Millions
Jun. 30, 2023
USD ($)
Revenue from Contract with Customer [Abstract]  
Revenue, remaining performance obligation, amount $ 751
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01  
Revenue from Contract with Customer [Abstract]  
Revenue, remaining performance obligation, amount $ 276
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, remaining performance obligation, period 6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01  
Revenue from Contract with Customer [Abstract]  
Revenue, remaining performance obligation, amount $ 475
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, remaining performance obligation, period 1 year