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Cash Flow Information
 9 Months Ended
Sep. 30, 2024
Supplemental Cash Flow Information [Abstract]  
Cash Flow Information
Note 13—Cash Flow Information

Millions of Dollars

Nine Months Ended
September 30
20242023
Cash Payments
Interest
$628 533 
Income taxes
2,797 4,141 
Net Sales (Purchases) of Investments
Short-term investments purchased
$(2,562)(917)
Short-term investments sold
2,357 3,350 
Long-term investments purchased
(503)(676)
Long-term investments sold
109 103 

$(599)1,860