Please answer the given financial question based on the context.
Context: ||Year Ended December 31,|Year Ended December 31,|Year Ended December 31,|
||2019|2018|2017|
||(In millions)|(In millions)|(In millions)|
|Research and development funding|$132|$52|$65|
|Phase-out and start-up costs|(38)|(1)|(8)|
|Exchange gain (loss), net|—|4|4|
|Patent costs|(1)|(8)|(9)|
|Gain on sale of businesses and non-current assets|7|8|4|
|Other, net|3|(2)|(1)|
|Other income and expenses, net|$103|$53|$55|
|As percentage of net revenues|1.1%|0.5%|0.7%|
In 2019 we recognized other income, net of expenses, of $103 million, increasing compared to $53 million in 2018, mainly benefitting from the grants associated with the programs part of the European Commission IPCEI in Italy and in France, partially offset by a higher level of start-up costs associated with the production ramp up of the 200 mm fab recently acquired from Micron Technology Inc. in Singapore.
In 2018 we recognized other income, net of expenses, of $53 million, slightly decreasing compared to $55 million in 2017, mainly due to lower level of R&D grants.
Question: What is the average gain on sale of businesses and non-current assets?
Answer:
6.33