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Acquisitions - KaTech (Details) - USD ($)
$ in Millions
12 Months Ended
Apr. 01, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Acquisitions        
Payment for acquisition, net of cash acquired   $ 40 $ 236 $ 42
Goodwill   $ 914 $ 902  
KaTech        
Acquisitions        
Payment for acquisition, net of cash acquired $ 40      
Goodwill 26      
Tangible assets $ 14      
Lag period over which financial results will be reported during the integration process 1 month