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Restructuring and Other Charges (Tables)
3 Months Ended
Mar. 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:
Three Months Ended
March 31,
(In millions)20212020
Balance at beginning of period$27 $14 
Severance and other separation costs13 40 
Cash payments(18)(10)
Balance at end of period$22 $44