diff --git a/googleapiclient/errors.py b/googleapiclient/errors.py
index 6a741f8..bab1418 100644
--- a/googleapiclient/errors.py
+++ b/googleapiclient/errors.py
@@ -46,6 +46,7 @@
         raise TypeError("HTTP content should be bytes")
     self.content = content
     self.uri = uri
+    self.error_details = ''
 
   def _get_reason(self):
     """Calculate the reason for the error from the response content."""
@@ -54,9 +55,13 @@
       data = json.loads(self.content.decode('utf-8'))
       if isinstance(data, dict):
         reason = data['error']['message']
+        if 'details' in data['error']:
+            self.error_details = data['error']['details']
       elif isinstance(data, list) and len(data) > 0:
         first_error = data[0]
         reason = first_error['error']['message']
+        if 'details' in first_error['error']:
+            self.error_details = first_error['error']['details']
     except (ValueError, KeyError, TypeError):
       pass
     if reason is None:
@@ -64,7 +69,11 @@
     return reason
 
   def __repr__(self):
-    if self.uri:
+    reason = self._get_reason()
+    if self.error_details:
+      return '<HttpError %s when requesting %s returned "%s". Details: "%s">' % \
+             (self.resp.status, self.uri, reason.strip(), self.error_details)
+    elif self.uri:
       return '<HttpError %s when requesting %s returned "%s">' % (
           self.resp.status, self.uri, self._get_reason().strip())
     else:
diff --git a/tests/test_errors.py b/tests/test_errors.py
index 8a58030..e4d2f09 100644
--- a/tests/test_errors.py
+++ b/tests/test_errors.py
@@ -41,7 +41,8 @@
    }
   ],
   "code": 400,
-  "message": "country is required"
+  "message": "country is required",
+  "details": "error details"
  }
 }
 """
@@ -61,7 +62,7 @@
         {'status':'400', 'content-type': 'application/json'},
         reason='Failed')
     error = HttpError(resp, content, uri='http://example.org')
-    self.assertEqual(str(error), '<HttpError 400 when requesting http://example.org returned "country is required">')
+    self.assertEqual(str(error), '<HttpError 400 when requesting http://example.org returned "country is required". Details: "error details">')
 
   def test_bad_json_body(self):
     """Test handling of bodies with invalid json."""