diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index db1f1519b..99e41f640 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -4694,6 +4694,8 @@ interface DocumentAndElementEventHandlers {
 
 /** A minimal document object that has no parent. It is used as a lightweight version of Document that stores a segment of a document structure comprised of nodes just like a standard document. The key difference is that because the document fragment isn't part of the active document tree structure, changes made to the fragment don't affect the document, cause reflow, or incur any performance impact that can occur when changes are made. */
 interface DocumentFragment extends Node, NonElementParentNode, ParentNode {
+    readonly ownerDocument: Document;
+    getElementById(elementId: string): HTMLElement | null;
 }
 
 declare var DocumentFragment: {
diff --git a/inputfiles/overridingTypes.jsonc b/inputfiles/overridingTypes.jsonc
index 50ae2277e..7f00dcffd 100644
--- a/inputfiles/overridingTypes.jsonc
+++ b/inputfiles/overridingTypes.jsonc
@@ -655,6 +655,27 @@
                     }
                 }
             },
+            "DocumentFragment": {
+                "methods": {
+                    "method": {
+                        "getElementById": {
+                            "name": "getElementById",
+                            "overrideSignatures": [
+                                "getElementById(elementId: string): HTMLElement | null"
+                            ]
+                        }
+                    }
+                },
+                "properties": {
+                    "property": {
+                        "ownerDocument": {
+                            "name": "ownerDocument",
+                            "readonly": 1,
+                            "type": "Document"
+                        }
+                    }
+                }
+            },
             "Node": {
                 "name": "Node",
                 "methods": {