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Business Restructuring (Tables)
3 Months Ended
Mar. 31, 2024
Restructuring and Related Activities [Abstract]  
Restructuring and Related Costs
The following table summarizes restructuring reserve activity for the three months ended March 31, 2024 and 2023:
Total Reserve
($ in millions)20242023
January 1$113 $169 
Release of prior reserves and other adjustments(a)
— (3)
Cash payments(10)(16)
Foreign currency impact(1)
March 31$102 $152 
(a)Certain releases were recorded to reflect the current estimate of costs to complete planned business restructuring actions.