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Restructuring Costs (Tables)
 3 Months Ended
Mar. 31, 2022
Restructuring and Related Activities [Abstract]  
Restructuring and related costs
The following table summarizes the Company’s restructuring liabilities:
(In millions)Three Months Ended March 31, 2022
Balance at beginning of period$43 
Additions related to merger integration24 
Reductions related to merger integration payments(3)
Balance at end of period$64