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Company Restructuring (Tables)
6 Months Ended
Jun. 30, 2023
Restructuring and Related Activities [Abstract]  
Schedule of changes in the restructuring liability
Restructuring activity during the period
($ in millions)
Employee
costs
Exit
costs
Total
liability
Restructuring liability as of December 31, 2022$27 $$34 
Expense incurred
15 45 60 
Adjustments to liability— (6)(6)
Payments and non-cash charges(25)(45)(70)
Restructuring liability as of June 30, 2023$17 $1 $18