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Remaining Unsatisfied Performance Obligations (Tables)
 12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
Schedule of remaining performance obligation We estimate that our RUPO will be satisfied over the following periods:
(in millions)December 31, 2021
Within 1 year$9,631 
1 to 2 years5,452 
Thereafter3,420 
Total RUPO$18,503