XML 51 R25.htm IDEA: XBRL DOCUMENT v3.24.0.1
Leases
 12 Months Ended
Dec. 31, 2023
Leases [Abstract]  
Leases Leases
Operating lease cost includes short-term leases and variable lease payments and approximates cash paid. Operating lease cost was $63, $61, and $63 in 2023, 2022, and 2021, respectively. Operating lease cost in 2023 and the second half of 2022 includes the lease for the portion of the property in Pittsburgh, PA used as the corporate headquarters.
Operating lease right-of-use assets and lease liabilities in the Consolidated Balance Sheet were as follows:
December 31,20232022
Right-of-use assets classified in Other noncurrent assets$128 $111 
Current portion of lease liabilities classified in Other current liabilities
$32 $32 
Long-term portion of lease liabilities classified in Other noncurrent liabilities and deferred credits97 83 
Total lease liabilities$129 $115 
Future minimum contractual operating lease obligations were as follows at December 31, 2023:
2024$39 
202530 
202623 
202718 
202812 
Thereafter40 
Total lease payments$162 
Less: Imputed interest(33)
Present value of lease liabilities$129 
December 31,202320222021
Right-of-use assets obtained in exchange for operating lease obligations (N)
$68 $34 $16 
Weighted-average remaining lease term in years6.45.65.8
Weighted-average discount rate5.9 %5.4 %5.4 %