diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
index 7de65f9818cd..b8a504e2918e 100644
--- a/CHANGELOG.next.asciidoc
+++ b/CHANGELOG.next.asciidoc
@@ -10,6 +10,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 
 *Affecting all Beats*
 
+- Avoid logging fields values when handling Elasticsearch output errors except at the debug log level. The debug log level must now be used to see detailed errors, for example mapping errors and their cause. {pull}37229[37229]
 
 *Auditbeat*
 
diff --git a/libbeat/outputs/elasticsearch/client.go b/libbeat/outputs/elasticsearch/client.go
index deab29c3dcd8..af7e55b0e56f 100644
--- a/libbeat/outputs/elasticsearch/client.go
+++ b/libbeat/outputs/elasticsearch/client.go
@@ -393,10 +393,12 @@ func (client *Client) bulkCollectPublishFails(result eslegclient.BulkResult, dat
 				result, _ := data[i].Content.Meta.HasKey(dead_letter_marker_field)
 				if result {
 					stats.nonIndexable++
-					client.log.Errorf("Can't deliver to dead letter index event %#v (status=%v): %s", data[i], status, msg)
+					client.log.Errorf("Can't deliver to dead letter index event (status=%v). Enable debug logs to view the event and cause.", status)
+					client.log.Debugf("Can't deliver to dead letter index event %#v (status=%v): %s", data[i], status, msg)
 					// poison pill - this will clog the pipeline if the underlying failure is non transient.
 				} else if client.NonIndexableAction == dead_letter_index {
-					client.log.Warnf("Cannot index event %#v (status=%v): %s, trying dead letter index", data[i], status, msg)
+					client.log.Warnf("Cannot index event (status=%v), trying dead letter index. Enable debug logs to view the event and cause.", status)
+					client.log.Debugf("Cannot index event %#v (status=%v): %s, trying dead letter index", data[i], status, msg)
 					if data[i].Content.Meta == nil {
 						data[i].Content.Meta = common.MapStr{
 							dead_letter_marker_field: true,
@@ -411,7 +413,8 @@ func (client *Client) bulkCollectPublishFails(result eslegclient.BulkResult, dat
 					}
 				} else { // drop
 					stats.nonIndexable++
-					client.log.Warnf("Cannot index event %#v (status=%v): %s, dropping event!", data[i], status, msg)
+					client.log.Warnf("Cannot index event (status=%v): dropping event!", status)
+					client.log.Debugf("Cannot index event %#v (status=%v): %s, dropping event! Enable debug logs to view the event and cause.", data[i], status, msg)
 					continue
 				}
 			}