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Cash Flow Information (Tables)
3 Months Ended
Mar. 31, 2024
Supplemental Cash Flow Information [Abstract]  
Schedule of Cash Flow Information

Millions of Dollars

Three Months Ended
March 31
20242023
Cash Payments
Interest
$254 209 
Income taxes
707 1,062 
Net Sales (Purchases) of Investments
Short-term investments purchased
$(118)(269)
Short-term investments sold
673 1,513 
Long-term investments purchased
(199)(210)
Long-term investments sold
49 31 

$405 1,065