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Other Income - Net
12 Months Ended
Dec. 31, 2023
Other Income and Expenses [Abstract]  
Other Income - Net Other Income – Net
 202320222021
 ($ in millions)
   
Pension and other postretirement benefits (Note 12)$117 $126 $102 
COLI – net65 (77)17 
Other(36)(42)
Total$191 $13 $77