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LEASE OBLIGATIONS
12 Months Ended
Dec. 31, 2023
Leases [Abstract]  
Lease Obligations
NOTE 12 - LEASE OBLIGATIONS
Our operating leases consist primarily of leases for land, office space, rail cars and storage tanks. Our finance leases consist primarily of mining equipment and rail cars. When an implicit discount rate is not readily determinable under our leases, we use our incremental borrowing rate as the discount rate to determine the present value of the lease payments. Our incremental borrowing rate is the rate of interest that we would have to borrow on a collateralized basis over a similar term and amount in a similar economic environment to pay our lease obligations. We determine the incremental borrowing rates for our leases by adjusting the local risk-free interest rate with a credit risk premium corresponding to our credit rating. From time to time, we may enter into arrangements for the construction or purchase of an asset and then enter into a financing arrangement to lease the asset. We recognize leased assets and liabilities under these arrangements when we obtain control of the asset.
Lease costs are presented below:
Year Ended December 31,
(In millions)20232022
Operating leases$59 $64 
Finance leases:
Amortization of right-of-use assets92 103 
Interest on lease liabilities11 
Short-term leases171 160 
Total$333 $335 
Lease terms and discount rates are shown below:
December 31,
(In millions)2023
Weighted average lease term (in years):
Operating leases8
Finance leases7
Weighted average discount rate:
Operating leases8 %
Finance leases6 %
Other information related to leases was as follows:
Year Ended December 31,
(In millions)202320222021
Cash paid for amounts included in measurement of lease liabilities:
Operating leases within cash flows from operating activities$57$62$70
Finance leases within cash flows from operating activities1189
Finance leases within cash flows from financing activities929694
Right-of-use assets obtained in exchange for new finance lease liabilities935550
Future minimum lease payments under noncancellable finance and operating leases as of December 31, 2023 were as follows:
(In millions)Finance LeasesOperating Leases
2024$53 $56 
202549 49 
202639 42 
202727 38 
202825 29 
Thereafter74 117 
Total future minimum lease payments267 331 
Less: imputed interest52 93 
Total lease payments215 238 
Less: current portion of lease liabilities49 41 
Long-term lease liabilities$166 $197 
The current and long-term portions of our finance and operating lease liabilities are included in Other current liabilities and Other non-current liabilities, respectively.