DOCSP-43530: Id field in query results

Author: norareidy

docs/query-builder.txt

@@ -196,7 +196,8 @@ the value of the ``title`` field is ``"Back to the Future"``:
    You can use the ``id`` alias in your queries to represent the
    ``_id`` field in MongoDB documents, as shown in the preceding
    code. When you run a find operation using the query builder, {+odm-short+}
-   automatically converts between ``id`` and ``_id``. This provides better
+   automatically converts between ``id`` and ``_id``. In query results
+   the ``_id`` field is renamed to ``id``. This provides better
    compatibility with Laravel, as the framework assumes that each record has a
    primary key named ``id`` by default.
 

docs/upgrade.txt

@@ -115,9 +115,10 @@ This library version introduces the following breaking changes:
   date classes, applying the default timezone.
 
 - ``id`` is an alias for the ``_id`` field in MongoDB documents, and the library
-  automatically converts between ``id`` and ``_id`` when querying data. Because
-  of this behavior, you cannot have two separate ``id`` and ``_id`` fields in your
-  documents.
+  automatically converts between ``id`` and ``_id`` when querying data. The query
+  result object includes an ``id`` field to represent the document's ``_id`` field.
+  Because of this behavior, you cannot have two separate ``id`` and ``_id`` fields
+  in your documents.
 
 - Removes support for the ``$collection`` property. The following code shows
   how to assign a MongoDB collection to a variable in your ``User`` class in