Cash flow

USD million  2011* 2012* 2013 2014 2015 2016
Net cash provided from operating activities 1,805 1,825 1,333 1,806 1,651 1,695
Net cash used in investing activities -1,869 -1,443 -1,016 -946 -1,399 -309
Purchases and construction of property,
 plant and equipment
-2,047 -1,453 -756 -563 -595 -559
Net cash used in financing activities 48 -119 -224 -1,147 -378 -1,119
Net increase / (decrease) in cash
and cash equivalents
-15 263 94 -287 -126 267

Note:

*2011-2012 results are presented in accordance with US GAAP; 2013-2016 results are presented in accordance with IFRS