It
EnOther performance indicators
| € millions | 2016 | 2015 | Change |
|---|---|---|---|
| FFO | 1,362 | 1,446 | (5.8%) |
| Research and development expenses | 1,373 | 1,426 | (3.7%) |
| Net interest | (268) | (296) | 9.5% |
Please refer to the section entitled “Non-GAAP alternative performance indicators” for definitions.
The section “Leonardo and sustainability” contains a more detailed description of research and development costs.