diff --git a/src/Illuminate/Database/Eloquent/Relations/Concerns/InteractsWithPivotTable.php b/src/Illuminate/Database/Eloquent/Relations/Concerns/InteractsWithPivotTable.php
index 8de013a1a38a..246d7af61c32 100644
--- a/src/Illuminate/Database/Eloquent/Relations/Concerns/InteractsWithPivotTable.php
+++ b/src/Illuminate/Database/Eloquent/Relations/Concerns/InteractsWithPivotTable.php
@@ -66,7 +66,7 @@ public function toggle($ids, $touch = true)
     /**
      * Sync the intermediate tables with a list of IDs without detaching.
      *
-     * @param  \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array  $ids
+     * @param  \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array|int|string  $ids
      * @return array{attached: array, detached: array, updated: array}
      */
     public function syncWithoutDetaching($ids)
@@ -77,7 +77,7 @@ public function syncWithoutDetaching($ids)
     /**
      * Sync the intermediate tables with a list of IDs or collection of models.
      *
-     * @param  \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array  $ids
+     * @param  \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array|int|string  $ids
      * @param  bool  $detaching
      * @return array{attached: array, detached: array, updated: array}
      */
@@ -130,7 +130,7 @@ public function sync($ids, $detaching = true)
     /**
      * Sync the intermediate tables with a list of IDs or collection of models with the given pivot values.
      *
-     * @param  \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array  $ids
+     * @param  \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array|int|string  $ids
      * @param  array  $values
      * @param  bool  $detaching
      * @return array{attached: array, detached: array, updated: array}