the following table provides the weighted average assumptions used in the black-scholes option-pricing model for grants and the resulting weighted average grant date fair value per share of stock options granted for the years ended december 31: .                             | 2018 | 2017 | 2016
intrinsic value             | $ 9  | $ 10 | $ 18
exercise proceeds           | 7    | 11   | 15  
income tax benefit realized | 2    | 3    | 6    stock units during 2018 , 2017 and 2016 , the company granted rsus to certain employees under the 2007 plan and 2017 omnibus plan , as applicable .rsus generally vest based on continued employment with the company over periods ranging from one to three years. .
Question: what is the intrinsic value in 2018?

Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.
the following table provides the weighted average assumptions used in the black-scholes option-pricing model for grants and the resulting weighted average grant date fair value per share of stock options granted for the years ended december 31: .                             | 2018 | 2017 | 2016
intrinsic value             | $ 9  | $ 10 | $ 18
exercise proceeds           | 7    | 11   | 15  
income tax benefit realized | 2    | 3    | 6    stock units during 2018 , 2017 and 2016 , the company granted rsus to certain employees under the 2007 plan and 2017 omnibus plan , as applicable .rsus generally vest based on continued employment with the company over periods ranging from one to three years. .
Question: what is the intrinsic value in 2018?
