Cash flow
| USD million | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 |
| Net cash provided from operating activities | 1,333 | 1,806 | 1,622 | 1,699 | 1,899 | 2,741 | 2,623 |
| Net cash used in investing activities | -1,016 | -946 | -1,375 | -310 | -758 | +290 | -1,411 |
|
Purchases and construction of property, plant and equipment |
-756 | -563 | -595 | -559 | -592 | -680 | -1,080 |
| Net cash used in financing activities | -224 | -1,147 | -377 | -1,120 | -1,459 | -2,119 | -1,668 |
|
Net increase / (decrease) in cash and cash equivalents |
94 | -284 | -130 | 269 | -318 | +912 | -456 |