Cash Flow Information |
6 Months Ended |
|---|---|
Jun. 30, 2021 | |
| Cash Flow Information [Abstract] | |
| Cash Flow Information | Note 13—Cash Flow Information Millions of Dollars Six Months Ended June 30 2021 2020 Cash Payments Interest $ 464 397 Income taxes 107 761 Net Sales (Purchases) of Investments Short-term investments purchased $ (5,439) (7,021) Short-term investments sold 6,842 6,147 Long-term investments purchased (149) (208) Long-term investments sold 48 52 $ 1,302 (1,030) |