Index: wp-includes/css/media-views.css
===================================================================
--- wp-includes/css/media-views.css	(revision 22958)
+++ wp-includes/css/media-views.css	(working copy)
@@ -1225,6 +1225,10 @@
 	float: left;
 }
 
+.attachment-info .url input {
+	width: 250px;
+}
+
 .attachment-info .delete-attachment a {
 	color: red;
 	padding: 2px 4px;
Index: wp-includes/media.php
===================================================================
--- wp-includes/media.php	(revision 22958)
+++ wp-includes/media.php	(working copy)
@@ -1673,6 +1673,9 @@
 					{{{ data.compat.meta }}}
 				<# } #>
 			</div>
+			<label class="url" data-setting="url">
+				<input readonly="readonly" type="text" value="{{ data.url }}" />
+			</label>
 		</div>
 
 		<# if ( 'image' === data.type ) { #>