diff --git a/pandas/core/tools/datetimes.py b/pandas/core/tools/datetimes.py
index 014a702618bda..9a1ee029f1609 100644
--- a/pandas/core/tools/datetimes.py
+++ b/pandas/core/tools/datetimes.py
@@ -762,7 +762,9 @@ def to_datetime(
         If parsing succeeded.
         Return type depends on input:
 
-        - list-like: DatetimeIndex
+        - list-like:
+            - DatetimeIndex, if timezone naive or aware with the same timezone
+            - Index of object dtype, if timezone aware with mixed time offsets
         - Series: Series of datetime64 dtype
         - scalar: Timestamp