I thought the standard deduction was doubling? I see the same as last year.

The standard deduction doubles for your 2018 tax return which you will prepare next year in 2019.

2017 Standard Deductions

Single    $6350  (65 or older + $1550)

Married Filing Separately   $6350  (65 or older +  $1250)

Married Filing Jointly           $12,700  (65 or older + $1250@)

Head of Household $9350  (65 or older + $1550)