v3.24.2
PROPERTY, PLANT AND EQUIPMENT AND OPERATING LEASES
 6 Months Ended
Jun. 30, 2024
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT AND OPERATING LEASES PROPERTY, PLANT AND EQUIPMENT AND OPERATING LEASES
June 30, 2024December 31, 2023
Original cost$15,439 $15,338 
Less accumulated depreciation and amortization(9,430)(9,252)
Right-of-use operating lease assets1,086 1,160 
Property, plant and equipment – net$7,095 $7,246 

Operating Lease Liabilities. Our current operating lease liabilities, included in All other current liabilities in our Statement of Financial Position were $292 million and $308 million as of June 30, 2024 and December 31, 2023, respectively.Our non-current operating lease liabilities, included in All other liabilities in our Statement of Financial Position, were $862 million and $931 million as of June 30, 2024 and December 31, 2023, respectively. Expense on our operating lease portfolio, primarily from our long-term fixed leases, was $128 million and $124 million for the three months ended June 30, 2024 and 2023, respectively, and $240 million and $245 million for the six months ended June 30, 2024 and 2023, respectively.