diff --git a/doc/python_api/sphinx_doc_gen.py b/doc/python_api/sphinx_doc_gen.py
index 56db0d1cd79..e172f3c43e6 100644
--- a/doc/python_api/sphinx_doc_gen.py
+++ b/doc/python_api/sphinx_doc_gen.py
@@ -598,6 +598,7 @@ from types import (
 
 _BPY_STRUCT_FAKE = "bpy_struct"
 _BPY_PROP_COLLECTION_FAKE = "bpy_prop_collection"
+_BPY_PROP_COLLECTION_IDPROP_FAKE = "bpy_prop_collection_idprop"
 
 if _BPY_PROP_COLLECTION_FAKE:
     _BPY_PROP_COLLECTION_ID = ":class:`{:s}`".format(_BPY_PROP_COLLECTION_FAKE)
@@ -1871,6 +1872,13 @@ def pyrna2sphinx(basepath):
                 "built-in class used for all collections.", use_subclasses=False,
             )
 
+        if _BPY_PROP_COLLECTION_IDPROP_FAKE:
+            class_value = bpy.data.objects.__class__
+            fake_bpy_type(
+                "bpy.types", class_value, _BPY_PROP_COLLECTION_IDPROP_FAKE,
+                "built-in class used for user defined collections.", use_subclasses=False,
+            )
+
     # Operators.
     def write_ops():
         API_BASEURL = "https://projects.blender.org/blender/blender/src/branch/main/scripts"
diff --git a/source/blender/python/intern/bpy_rna.cc b/source/blender/python/intern/bpy_rna.cc
index 58dee6aa046..d2b311b9b73 100644
--- a/source/blender/python/intern/bpy_rna.cc
+++ b/source/blender/python/intern/bpy_rna.cc
@@ -4897,6 +4897,15 @@ static int pyrna_prop_collection_setattro(BPy_PropertyRNA *self, PyObject *pynam
 /**
  * Odd case, we need to be able return a Python method from a #PyTypeObject.tp_getset.
  */
+PyDoc_STRVAR(
+    /* Wrap. */
+    pyrna_prop_collection_idprop_add_doc,
+    ".. method:: add()\n"
+    "\n"
+    "   This is a function to add a new item to a collection.\n"
+    "\n"
+    "   :return: A newly created item.\n"
+    "   :rtype: Any\n");
 static PyObject *pyrna_prop_collection_idprop_add(BPy_PropertyRNA *self)
 {
   PointerRNA r_ptr;
@@ -4917,6 +4926,15 @@ static PyObject *pyrna_prop_collection_idprop_add(BPy_PropertyRNA *self)
   return pyrna_struct_CreatePyObject(&r_ptr);
 }
 
+PyDoc_STRVAR(
+    /* Wrap. */
+    pyrna_prop_collection_idprop_remove_doc,
+    ".. method:: remove(index)\n"
+    "\n"
+    "   This is a function to remove an item from a collection.\n"
+    "\n"
+    "   :arg index: Index of the item to be removed.\n"
+    "   :type index: int\n");
 static PyObject *pyrna_prop_collection_idprop_remove(BPy_PropertyRNA *self, PyObject *value)
 {
   const int key = PyLong_AsLong(value);
@@ -4941,6 +4959,12 @@ static PyObject *pyrna_prop_collection_idprop_remove(BPy_PropertyRNA *self, PyOb
   Py_RETURN_NONE;
 }
 
+PyDoc_STRVAR(
+    /* Wrap. */
+    pyrna_prop_collection_idprop_clear_doc,
+    ".. method:: clear()\n"
+    "\n"
+    "   This is a function to remove all items from a collection.\n");
 static PyObject *pyrna_prop_collection_idprop_clear(BPy_PropertyRNA *self)
 {
 #ifdef USE_PEDANTIC_WRITE
@@ -4954,6 +4978,17 @@ static PyObject *pyrna_prop_collection_idprop_clear(BPy_PropertyRNA *self)
   Py_RETURN_NONE;
 }
 
+PyDoc_STRVAR(
+    /* Wrap. */
+    pyrna_prop_collection_idprop_move_doc,
+    ".. method:: move(src_index, dst_index)\n"
+    "\n"
+    "   This is a function to move an item in a collection.\n"
+    "\n"
+    "   :arg src_index: Source item index.\n"
+    "   :type src_index: int\n"
+    "   :arg dst_index: Destination item index.\n"
+    "   :type dst_index: int\n");
 static PyObject *pyrna_prop_collection_idprop_move(BPy_PropertyRNA *self, PyObject *args)
 {
   int key = 0, pos = 0;
@@ -6184,10 +6219,22 @@ static PyMethodDef pyrna_prop_collection_methods[] = {
 };
 
 static PyMethodDef pyrna_prop_collection_idprop_methods[] = {
-    {"add", (PyCFunction)pyrna_prop_collection_idprop_add, METH_NOARGS, nullptr},
-    {"remove", (PyCFunction)pyrna_prop_collection_idprop_remove, METH_O, nullptr},
-    {"clear", (PyCFunction)pyrna_prop_collection_idprop_clear, METH_NOARGS, nullptr},
-    {"move", (PyCFunction)pyrna_prop_collection_idprop_move, METH_VARARGS, nullptr},
+    {"add",
+     (PyCFunction)pyrna_prop_collection_idprop_add,
+     METH_NOARGS,
+     pyrna_prop_collection_idprop_add_doc},
+    {"remove",
+     (PyCFunction)pyrna_prop_collection_idprop_remove,
+     METH_O,
+     pyrna_prop_collection_idprop_remove_doc},
+    {"clear",
+     (PyCFunction)pyrna_prop_collection_idprop_clear,
+     METH_NOARGS,
+     pyrna_prop_collection_idprop_clear_doc},
+    {"move",
+     (PyCFunction)pyrna_prop_collection_idprop_move,
+     METH_VARARGS,
+     pyrna_prop_collection_idprop_move_doc},
     {nullptr, nullptr, 0, nullptr},
 };