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PROPERTY, PLANT AND EQUIPMENT AND OPERATING LEASES
3 Months Ended
Mar. 31, 2023
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT AND OPERATING LEASES
NOTE 6. PROPERTY, PLANT AND EQUIPMENT AND OPERATING LEASES

March 31, 2023December 31, 2022
Original cost$26,957 $26,641 
Less accumulated depreciation and amortization(16,640)(16,303)
Right-of-use operating lease assets1,853 1,854 
Property, plant and equipment – net$12,170 $12,192 

Operating Lease Liabilities. Our consolidated operating lease liabilities, included in All other liabilities in our Statement of Financial Position, was $2,083 million and $2,089 million, as of March 31, 2023 and December 31, 2022, respectively. Expense on our operating lease portfolio, primarily from our long-term fixed leases, was $195 million and $227 million for the three months ended March 31, 2023 and 2022, respectively.