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Restructuring Costs (Tables)
3 Months Ended
Mar. 31, 2023
Restructuring and Related Activities [Abstract]  
Restructuring Costs The following table summarizes the Company’s restructuring liabilities:
Three Months Ended 
March 31,
(In millions)20232022
Balance at beginning of period$77 $43 
Additions related to merger integration724
Payments of merger-related restructuring costs(7)(3)
Balance at end of period$77 $64