In Brief CCC 1052
© Libreria Editrice Vaticana Source: vatican.va
"We believe that the souls of all who die in Christ's grace . . . are the People of God beyond death. On the day of resurrection, death will be definitively conquered, when these souls will be reunited with their bodies" (Paul VI, CPG # 28).
Read the full chapter 3. I Believe in the Holy Spirit ¶683–1065