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LEASES (Tables)
 12 Months Ended
Dec. 31, 2020
Leases [Abstract]  
Components of Lease Expense The components of lease expense were as follows:
For the Year Ended December 31, 2020
(In millions)VehiclesBuildingsOtherTotal
Operating lease costs (1)
$35 $8 $17 $60 
Finance lease costs:
Amortization of right-of-use assets 14 — 1 15 
Interest on lease liabilities 2 3 — 5 
Total finance lease cost16 3 1 20 
Total lease cost $51 $11 $18 $80 
(1) Includes $17 million of short-term lease costs.

For the Year Ended December 31, 2019
(In millions)VehiclesBuildingsOtherTotal
Operating lease costs (1)
$28 $9 $12 $49 
Finance lease costs:
Amortization of right-of-use assets 15 1 1 17 
Interest on lease liabilities 3 3 — 6 
Total finance lease cost18 4 1 23 
Total lease cost $46 $13 $13 $72 
(1) Includes $13 million of short-term lease costs.
Supplemental cash flow information related to leases was as follows:
For the Years Ended,
(In millions)December 31, 2020December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases$44 $29 
Operating cash flows from finance leases4 5
Finance cash flows from finance leases15 25
Right-of-use assets obtained in exchange for lease obligations:
Operating leases $67 $83 
Finance leases — 3
Maturities of lease liabilities as of December 31, 2020, were as follows:
(In millions)Operating LeasesFinance LeasesTotal
2021$50 $18 $68 
202249 15 64 
202346 8 54 
202438 4 42 
202536 4 40 
Thereafter 147 12 159 
Total lease payments (1)
366 61 427 
Less imputed interest 61 16 77 
Total net present value$305 $45 $350 
(1) Operating lease payments for certain leases are offset by sublease receipts of $11 million over 12 years.
Assets and Liabilities, Lessee
Lease terms and discount rates were as follows:
As of December 31, 2020As of December 31, 2019
Weighted-average remaining lease terms (years)
Operating leases 8.559.42
Finance leases 7.744.62
Weighted-average discount rate (1)
Operating leases 4.21 %4.51 %
Finance leases 11.58 %10.45 %
(1) When an implicit rate is not readily determinable, an incremental borrowing rate is utilized, determining the present value of lease payments. The rate is determined based on expected term and information available at the commencement date.

Supplemental balance sheet information related to leases was as follows:
As of December 31,
(In millions)Financial Statement Line Item20202019
Assets
Operating lease (1)
Deferred charges and other assets$265 $231 
Finance lease (2)
Property, plant and equipment57 73 
Total leased assets $322 $304 
Liabilities
Current:
Operating Other current liabilities$42 $32 
Finance Currently payable long-term debt14 15 
Noncurrent:
Operating Other noncurrent liabilities263 241 
Finance Long-term debt and other long-term obligations31 45 
Total leased liabilities $350 $333 
(1) Operating lease assets are recorded net of accumulated amortization of $51 million and $23 million as of December 31, 2020 and 2019, respectively.
(2) Finance lease assets are recorded net of accumulated amortization of $96 million and $90 million as of December 31, 2020 and 2019, respectively.
Maturity of Operating Lease Liabilities
Maturities of lease liabilities as of December 31, 2020, were as follows:
(In millions)Operating LeasesFinance LeasesTotal
2021$50 $18 $68 
202249 15 64 
202346 8 54 
202438 4 42 
202536 4 40 
Thereafter 147 12 159 
Total lease payments (1)
366 61 427 
Less imputed interest 61 16 77 
Total net present value$305 $45 $350 
(1) Operating lease payments for certain leases are offset by sublease receipts of $11 million over 12 years.
Maturity of Finance Lease Liabilities
Maturities of lease liabilities as of December 31, 2020, were as follows:
(In millions)Operating LeasesFinance LeasesTotal
2021$50 $18 $68 
202249 15 64 
202346 8 54 
202438 4 42 
202536 4 40 
Thereafter 147 12 159 
Total lease payments (1)
366 61 427 
Less imputed interest 61 16 77 
Total net present value$305 $45 $350 
(1) Operating lease payments for certain leases are offset by sublease receipts of $11 million over 12 years.