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Cash Flow Information
9 Months Ended
Sep. 30, 2022
Supplemental Cash Flow Information [Abstract]  
Cash Flow Information
Note 13—Cash Flow Information

Millions of Dollars

Nine Months Ended
September 30
Cash Payments
20222021
Interest
$706 695 
Income taxes
5,602 358 
Net Sales (Purchases) of Investments
Short-term investments purchased
$(2,960)(5,487)
Short-term investments sold
1,297 8,478 
Long-term investments purchased
(640)(228)
Long-term investments sold
68 83 

$(2,235)2,846 

Income tax payments have increased in the first nine months of 2022 as the company is returning to a tax paying position in the U.S. as well as timing of foreign tax payments primarily in Libya and Norway.

In the first quarter of 2021, we acquired Concho in an all-stock transaction for $13.1 billion. In connection with this transaction, we acquired cash of $382 million, which is included in "Cash Flows From Investing Activities" on our consolidated statement of cash flows.