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Restructuring and Other Charges (Tables)
3 Months Ended
Mar. 31, 2021
Restructuring and Related Activities [Abstract]  
Schedule of restructuring reserve activity by type of cost
The following table summarizes the restructuring reserve activity during the three months ended March 31, 2021:
 Employee Severance and Benefits and Other Associated Costs
(In millions)
Accrued liability as of January 1, 2021$55 
Charges 32 
Payments(31)
Accrued liability as of March 31, 2021
$56