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Cash Flow Information
9 Months Ended
Sep. 30, 2025
Supplemental Cash Flow Information [Abstract]  
Cash Flow Information
Note 13—Cash Flow Information

Millions of Dollars

Nine Months Ended
September 30
20252024
Cash payments
Interest
$694 628 
Income taxes
3,896 2,797 
Net sales (purchases) of investments
Short-term investments purchased
$(1,230)(2,562)
Short-term investments sold
1,136 2,357 
Long-term investments purchased
(675)(503)
Long-term investments sold
213 109 

$(556)(599)
For additional information on cash and non-cash changes to our consolidated balance sheet, see Note 3 regarding assets sold during the period.