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Acquisitions And Divestitures Acquisition of Dynawave (Details) - USD ($)
$ in Millions
Aug. 04, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Goodwill   $ 5,106 $ 2,511 $ 2,580
Dynawave        
Business Acquisition, Percentage of Voting Interests Acquired 100.00%      
Total consideration, net of cash acquired $ 22      
Intangible assets 8      
Other assets, net 4      
Identifiable net assets acquired 12      
Goodwill 10      
Total purchase price allocation $ 22      
Dynawave | Customer relationships        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 9 years