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Cash Flow Information
3 Months Ended
Mar. 31, 2023
Supplemental Cash Flow Information [Abstract]  
Cash Flow Information
Note 12—Cash Flow Information

Millions of Dollars

Three Months Ended
March 31
20232022
Cash Payments
Interest
$209 287 
Income taxes
1,062 1,640 
Net Sales (Purchases) of Investments
Short-term investments purchased
$(269)(521)
Short-term investments sold
1,513 306 
Long-term investments purchased
(210)(66)
Long-term investments sold
31 18 

$1,065 (263)