You need the 1099R. You can get a copy from the custodian of the account or maybe you can import it.
To enter your retirement income, Go to Federal> Wages and Income>Retirement Plans and Social Security>IRA 401 k) Pension Plan Withdrawals to enter your 1099R.
https://ttlc.intuit.com/community/entering-importing/help/how-do-i-import-my-1099/00/26254
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**