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Other Income - Net (Tables)
 12 Months Ended
Dec. 31, 2025
Other Income and Expenses [Abstract]  
Schedule of Other Income - Net
 202520242023
 ($ in millions)
   
Pension and other postretirement benefits (Note 14)$86 $120 $117 
COLI – net20 17 65 
Shareholder advisory costs— (59)— 
Other(5)(13)9 
Total$101 $65 $191