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Restructuring and Other Charges (Tables)
12 Months Ended
Dec. 31, 2021
Restructuring and Related Activities [Abstract]  
Schedule of changes in reserves The following table summarizes the changes in the reserve related to the Company’s employee severance and other separation costs during the years ended December 31:
(In millions)20212020
Balance at beginning of year$27 $14 
Severance and other separation costs95 131 
Cash payments(86)(118)
Balance at end of year$36 $27