From the actual bill that has passed Congress - "The additional standard deduction for the elderly and the blind is not changed by the provision."
It is $1300 per person age 65 or older.
<a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-drop/rp-17-58.pdf#page=14">https://www.irs.gov/pub/irs-drop/rp-17-58.pdf#page=14</a>
So if both are over age 65, the total Standard Deduction will be $26,600.
See DoninGA's answer above. Depends upon age AND filing status..