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Leases (Tables)
 12 Months Ended
Dec. 31, 2022
Leases [Abstract]  
Summary of components of lease expense
The components of lease expense for the indicated periods were as follows:
(in millions)202220212020
Operating lease cost $59 $58 $58 
Variable operating lease cost27 26 29 
Short term lease cost3 4 4 
Lease expense$89 $88 $91 
Reconciliation of future undiscounted cash flows to the operating lease liabilities and the related ROU assets The following is a reconciliation of future undiscounted cash flows to the operating lease liabilities and the related operating lease assets as presented within Other non-current liabilities and Other assets, respectively, on our Consolidated Balance Sheets as of December 31, 2022 ($ in millions):
2023$54 
202444 
202534 
202628 
202717 
Thereafter37 
Total future lease payments214 
Less imputed interest20 
Present value of future lease payments194 
Less current lease liabilities48 
Non-current operating lease liabilities$146 
Operating lease assets $187 
Summary of other lease information
Additional information related to our operating leases is listed below.
Other Information Year Ended
December 31,
($ in millions)20222021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases$60 $58 
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases$52 $77 
As of
December 31, 2022		As of
December 31, 2021
Weighted average remaining lease term:
Operating leases5.9 years6.5 years
Weighted average discount rate:
Operating leases4.4 %4.0 %