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Acquisitions and Equity Method Investments - KaTech (Details) - USD ($)
$ in Millions
9 Months Ended
Apr. 01, 2021
Sep. 30, 2021
Sep. 30, 2020
Acquisitions      
Payment for acquisition, net of cash acquired   $ 40 $ 208
KaTech      
Acquisitions      
Payment for acquisition, net of cash acquired $ 40    
Cash acquired $ 2    
Lag period over which financial results will be reported during the integration process 1 month