This is retirement income, so you will enter as a substitute for US Form 1099-R
Here is how to report in TurboTax:
in Federal
Income and Expenses tab
Scroll to
Retirement Plans and Social Security
Start
IRA, 401(k), Pension Plan Withdrawals (1099-R)
Did you have any of these types of income, mark "yes"
Respond Type in yourself
Check I need to prepare a substitute 1099-R
Continue and complete the information from form 480.6 B