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LEASES (Tables)
 12 Months Ended
Dec. 31, 2024
Leases [Abstract]  
Lease-Related Assets and Liabilities
Lease-related assets and liabilities recorded on the Consolidated Balance Sheet were as follows:
(in millions)Balance Sheet locationDecember 31, 2024December 31, 2023
Assets
OperatingOperating lease right-of-use assets (net)$1,369 $1,223 
Finance
Property and equipment (net of allowance for depreciation and amortization of $452 million and $477 million)
102 125 
Total lease assets$1,471 $1,348 
Liabilities
Current
OperatingCurrent operating lease liabilities$328 $208 
FinanceCurrent maturities of long-term debt22 29 
Noncurrent
OperatingNoncurrent operating lease liabilities1,031 985 
FinanceLong-term debt less current maturities69 75 
Total lease liabilities$1,450 $1,297 
Components of Lease Cost
The components of lease costs, included in the Consolidated Statement of Income, were as follows:
(in millions)Year ended December 31, 2024Year ended December 31, 2023Year ended December 31, 2022
Operating lease cost - aircraft (a)$186 $186 $188 
Operating lease cost - other77 89 84 
Short-term lease cost2 2 2 
Variable lease cost1,916 1,733 1,447 
Amortization of finance lease liabilities35 44 106 
Interest on finance lease liabilities4 5 15 
Total net lease cost$2,220 $2,059 $1,842 
(a) Net of sublease income of $1 million, $7 million, and $17 million for the years ended December 31, 2024, 2023, and 2022.

Supplemental cash flow information related to leases, included in the Consolidated Statement of Cash Flows, was as follows:
(in millions)
Year ended December 31, 2024Year ended December 31, 2023Year ended December 31, 2022
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases$258 $251 $303 
Operating cash flows for finance leases4 5 16 
Financing cash flows for finance leases26 32 78 
The table below presents additional information related to the Company's leases:
Weighted average remaining lease termDecember 31, 2024December 31, 2023
Operating leases6 years8 years
Finance leases4 years5 years
Weighted average discount rate
Operating leases4.1 %4.0 %
Finance leases4.0 %3.9 %
Finance Lease Maturity
As of December 31, 2024, maturities of lease liabilities were as follows:
(in millions)
Operating leasesFinance leases
2025$368 $25 
2026328 23 
2027240 23 
2028174 15 
2029138 10 
Thereafter317 3 
Total lease payments$1,565 $99 
Less imputed interest(206)(8)
Total lease obligations$1,359 $91 
Less current obligations(328)(22)
Long-term lease obligations$1,031 $69 
Operating Lease Maturity
As of December 31, 2024, maturities of lease liabilities were as follows:
(in millions)
Operating leasesFinance leases
2025$368 $25 
2026328 23 
2027240 23 
2028174 15 
2029138 10 
Thereafter317 3 
Total lease payments$1,565 $99 
Less imputed interest(206)(8)
Total lease obligations$1,359 $91 
Less current obligations(328)(22)
Long-term lease obligations$1,031 $69