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Restructuring Costs (Tables)
12 Months Ended
Dec. 31, 2022
Restructuring and Related Activities [Abstract]  
Restructuring Costs The following table summarizes the Company’s restructuring liabilities:
Year Ended December 31,
(In millions)20222021
Balance at beginning of period$43 $— 
Additions related to merger integration52 44
Reductions related to merger integration payments(18)(1)
Balance at end of period$77 $43