diff --git a/core/src/main/java/org/elasticsearch/search/SearchHit.java b/core/src/main/java/org/elasticsearch/search/SearchHit.java
index 7566d5ad279..8d434b8af20 100644
--- a/core/src/main/java/org/elasticsearch/search/SearchHit.java
+++ b/core/src/main/java/org/elasticsearch/search/SearchHit.java
@@ -328,6 +328,14 @@ public final class SearchHit implements Streamable, ToXContentObject, Iterable<D
     }
 
     public void shard(SearchShardTarget target) {
+        if (innerHits != null) {
+            for (SearchHits innerHits : innerHits.values()) {
+                for (SearchHit innerHit : innerHits) {
+                    innerHit.shard(target);
+                }
+            }
+        }
+
         this.shard = target;
         if (target != null) {
             this.index = target.getIndex();
@@ -414,18 +422,17 @@ public final class SearchHit implements Streamable, ToXContentObject, Iterable<D
             builder.field(Fields._SHARD, shard.getShardId());
             builder.field(Fields._NODE, shard.getNodeIdText());
         }
+        if (index != null) {
+            builder.field(Fields._INDEX, RemoteClusterAware.buildRemoteIndexName(clusterAlias, index));
+        }
+        if (type != null) {
+            builder.field(Fields._TYPE, type);
+        }
+        if (id != null) {
+            builder.field(Fields._ID, id);
+        }
         if (nestedIdentity != null) {
             nestedIdentity.toXContent(builder, params);
-        } else {
-            if (index != null) {
-                builder.field(Fields._INDEX, RemoteClusterAware.buildRemoteIndexName(clusterAlias, index));
-            }
-            if (type != null) {
-                builder.field(Fields._TYPE, type);
-            }
-            if (id != null) {
-                builder.field(Fields._ID, id);
-            }
         }
         if (version != -1) {
             builder.field(Fields._VERSION, version);
@@ -840,9 +847,9 @@ public final class SearchHit implements Streamable, ToXContentObject, Iterable<D
         private static final String FIELD = "field";
         private static final String OFFSET = "offset";
 
-        private Text field;
-        private int offset;
-        private NestedIdentity child;
+        private final Text field;
+        private final int offset;
+        private final NestedIdentity child;
 
         public NestedIdentity(String field, int offset, NestedIdentity child) {
             this.field = new Text(field);
diff --git a/docs/reference/aggregations/metrics/tophits-aggregation.asciidoc b/docs/reference/aggregations/metrics/tophits-aggregation.asciidoc
index 7668a0df792..b2df9bacae2 100644
--- a/docs/reference/aggregations/metrics/tophits-aggregation.asciidoc
+++ b/docs/reference/aggregations/metrics/tophits-aggregation.asciidoc
@@ -323,6 +323,9 @@ Top hits response snippet with a nested hit, which resides in the first slot of
                 "max_score": 0.2876821,
                 "hits": [
                   {
+                    "_index": "sales",
+                    "_type" : "product",
+                    "_id": "1",
                     "_nested": {
                       "field": "comments",  <1>
                       "offset": 0 <2>
diff --git a/docs/reference/search/request/inner-hits.asciidoc b/docs/reference/search/request/inner-hits.asciidoc
index a9da7378809..fceb37418eb 100644
--- a/docs/reference/search/request/inner-hits.asciidoc
+++ b/docs/reference/search/request/inner-hits.asciidoc
@@ -152,6 +152,9 @@ An example of a response snippet that could be generated from the above search r
               "max_score": 1.0,
               "hits": [
                 {
+                  "_index": "test",
+                  "_type": "doc",
+                  "_id": "1",
                   "_nested": {
                     "field": "comments",
                     "offset": 1
@@ -278,6 +281,9 @@ Response not included in text but tested for completeness sake.
               "max_score": 1.0444683,
               "hits": [
                 {
+                  "_index": "test",
+                  "_type": "doc",
+                  "_id": "1",
                   "_nested": {
                     "field": "comments",
                     "offset": 1
@@ -394,6 +400,9 @@ Which would look like:
               "max_score": 0.6931472,
               "hits": [
                 {
+                  "_index": "test",
+                  "_type": "doc",
+                  "_id": "1",
                   "_nested": {
                     "field": "comments",
                     "offset": 1,
@@ -505,6 +514,7 @@ An example of a response snippet that could be generated from the above search r
                             "max_score": 1.0,
                             "hits": [
                                 {
+                                    "_index": "test",
                                     "_type": "doc",
                                     "_id": "2",
                                     "_score": 1.0,
diff --git a/modules/parent-join/src/test/resources/rest-api-spec/test/11_parent_child.yml b/modules/parent-join/src/test/resources/rest-api-spec/test/11_parent_child.yml
index 50f4d55750d..2b7368f9ec4 100644
--- a/modules/parent-join/src/test/resources/rest-api-spec/test/11_parent_child.yml
+++ b/modules/parent-join/src/test/resources/rest-api-spec/test/11_parent_child.yml
@@ -41,6 +41,6 @@ setup:
     - match: { hits.total: 1 }
     - match: { hits.hits.0._index: "test" }
     - match: { hits.hits.0._id: "1" }
-    - is_false: hits.hits.0.inner_hits.child.hits.hits.0._index
+    - match: { hits.hits.0.inner_hits.child.hits.hits.0._index: "test"}
     - match: { hits.hits.0.inner_hits.child.hits.hits.0._id: "2" }
     - is_false: hits.hits.0.inner_hits.child.hits.hits.0._nested
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/test/search.aggregation/200_top_hits_metric.yml b/rest-api-spec/src/main/resources/rest-api-spec/test/search.aggregation/200_top_hits_metric.yml
new file mode 100644
index 00000000000..f48aee28dc2
--- /dev/null
+++ b/rest-api-spec/src/main/resources/rest-api-spec/test/search.aggregation/200_top_hits_metric.yml
@@ -0,0 +1,82 @@
+---
+"top_hits aggregation with nested documents":
+  - skip:
+          version: "5.99.99 - "
+          reason: "5.x nodes don't include index or id in nested top hits"
+  - do:
+      indices.create:
+        index: my-index
+        body:
+          settings:
+            number_of_shards: 1
+            number_of_replicas: 0
+          mappings:
+            doc:
+              properties:
+                users:
+                  type: nested
+
+  - do:
+      index:
+        index:  my-index
+        type:   doc
+        id:     1
+        refresh: true
+        body: |
+          {
+            "group" : "fans",
+            "users" : [
+              {
+                "first" : "John",
+                "last" :  "Smith"
+              },
+              {
+                "first" : "Alice",
+                "last" :  "White"
+              }
+            ]
+          }
+
+  - do:
+      index:
+        index:  my-index
+        type:   doc
+        id:     2
+        refresh: true
+        body: |
+          {
+            "group" : "fans",
+            "users" : [
+              {
+                "first" : "Mark",
+                "last" :  "Doe"
+              }
+            ]
+          }
+
+  - do:
+      search:
+        body:
+          aggs:
+            to-users:
+              nested:
+                path: users
+              aggs:
+                users:
+                  top_hits:
+                    sort: "users.last.keyword"
+
+  - match: { hits.total: 2 }
+  - length: { aggregations.to-users.users.hits.hits: 3 }
+  - match: { aggregations.to-users.users.hits.hits.0._id: "2" }
+  - match: { aggregations.to-users.users.hits.hits.0._index: my-index }
+  - match: { aggregations.to-users.users.hits.hits.0._nested.field: users }
+  - match: { aggregations.to-users.users.hits.hits.0._nested.offset: 0 }
+  - match: { aggregations.to-users.users.hits.hits.1._id: "1" }
+  - match: { aggregations.to-users.users.hits.hits.1._index: my-index }
+  - match: { aggregations.to-users.users.hits.hits.1._nested.field: users }
+  - match: { aggregations.to-users.users.hits.hits.1._nested.offset: 0 }
+  - match: { aggregations.to-users.users.hits.hits.2._id: "1" }
+  - match: { aggregations.to-users.users.hits.hits.2._index: my-index }
+  - match: { aggregations.to-users.users.hits.hits.2._nested.field: users }
+  - match: { aggregations.to-users.users.hits.hits.2._nested.offset: 1 }
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/test/search.inner_hits/10_basic.yml b/rest-api-spec/src/main/resources/rest-api-spec/test/search.inner_hits/10_basic.yml
index 4264083c13f..80d3f924d2b 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/test/search.inner_hits/10_basic.yml
+++ b/rest-api-spec/src/main/resources/rest-api-spec/test/search.inner_hits/10_basic.yml
@@ -34,9 +34,9 @@ setup:
     - match: { hits.hits.0._index: "test" }
     - match: { hits.hits.0._type: "type_1" }
     - match: { hits.hits.0._id: "1" }
-    - is_false: hits.hits.0.inner_hits.nested_field.hits.hits.0._index
-    - is_false: hits.hits.0.inner_hits.nested_field.hits.hits.0._type
-    - is_false: hits.hits.0.inner_hits.nested_field.hits.hits.0._id
+    - match: { hits.hits.0.inner_hits.nested_field.hits.hits.0._index: "test" }
+    - match: { hits.hits.0.inner_hits.nested_field.hits.hits.0._type: "type1" }
+    - match: { hits.hits.0.inner_hits.nested_field.hits.hits.0._id: "1" }
     - match: { hits.hits.0.inner_hits.nested_field.hits.hits.0._nested.field: "nested_field" }
     - match: { hits.hits.0.inner_hits.nested_field.hits.hits.0._nested.offset: 0 }
     - is_false: hits.hits.0.inner_hits.nested_field.hits.hits.0._nested.child