diff --git a/docs/reference-guides/core-blocks.md b/docs/reference-guides/core-blocks.md
index b84d8edb8e9d98..559417fa5dff76 100644
--- a/docs/reference-guides/core-blocks.md
+++ b/docs/reference-guides/core-blocks.md
@@ -247,7 +247,6 @@ Add an image or video with a text overlay. ([Source](https://github.com/WordPres
 Hide and show additional content. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/details))
 
 -	**Name:** core/details
--	**Experimental:** true
 -	**Category:** text
 -	**Supports:** align (full, wide), color (background, gradients, link, text), spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~
 -	**Attributes:** showContent, summary
diff --git a/lib/experimental/editor-settings.php b/lib/experimental/editor-settings.php
index 9571d50fdf3f27..67e08265558e1f 100644
--- a/lib/experimental/editor-settings.php
+++ b/lib/experimental/editor-settings.php
@@ -86,9 +86,6 @@ function gutenberg_enable_experiments() {
 	if ( $gutenberg_experiments && array_key_exists( 'gutenberg-group-grid-variation', $gutenberg_experiments ) ) {
 		wp_add_inline_script( 'wp-block-editor', 'window.__experimentalEnableGroupGridVariation = true', 'before' );
 	}
-	if ( $gutenberg_experiments && array_key_exists( 'gutenberg-details-blocks', $gutenberg_experiments ) ) {
-		wp_add_inline_script( 'wp-block-editor', 'window.__experimentalEnableDetailsBlocks = true', 'before' );
-	}
 	if ( $gutenberg_experiments && array_key_exists( 'gutenberg-pattern-enhancements', $gutenberg_experiments ) ) {
 		wp_add_inline_script( 'wp-block-editor', 'window.__experimentalEnablePatternEnhancements = true', 'before' );
 	}
diff --git a/lib/experiments-page.php b/lib/experiments-page.php
index 9e31815f3f50ff..eb6a1ea8a7336c 100644
--- a/lib/experiments-page.php
+++ b/lib/experiments-page.php
@@ -77,18 +77,6 @@ function gutenberg_initialize_experiments_settings() {
 		)
 	);
 
-	add_settings_field(
-		'gutenberg-details-blocks',
-		__( 'Details block', 'gutenberg' ),
-		'gutenberg_display_experiment_field',
-		'gutenberg-experiments',
-		'gutenberg_experiments_section',
-		array(
-			'label' => __( 'Test the Details block', 'gutenberg' ),
-			'id'    => 'gutenberg-details-blocks',
-		)
-	);
-
 	add_settings_field(
 		'gutenberg-theme-previews',
 		__( 'Block Theme Previews', 'gutenberg' ),
diff --git a/packages/block-library/src/details/block.json b/packages/block-library/src/details/block.json
index 40321ee6b0c9c1..4eb7af8d5ce623 100644
--- a/packages/block-library/src/details/block.json
+++ b/packages/block-library/src/details/block.json
@@ -1,7 +1,6 @@
 {
 	"$schema": "https://schemas.wp.org/trunk/block.json",
 	"apiVersion": 2,
-	"__experimental": true,
 	"name": "core/details",
 	"title": "Details",
 	"category": "text",
diff --git a/packages/block-library/src/index.js b/packages/block-library/src/index.js
index a0c7b75eac19b8..73c2f1eb1140a2 100644
--- a/packages/block-library/src/index.js
+++ b/packages/block-library/src/index.js
@@ -147,6 +147,7 @@ const getAllBlocks = () => {
 		columns,
 		commentAuthorAvatar,
 		cover,
+		details,
 		embed,
 		file,
 		group,
@@ -226,9 +227,6 @@ const getAllBlocks = () => {
 		queryTitle,
 		postAuthorBiography,
 	];
-	if ( window?.__experimentalEnableDetailsBlocks ) {
-		blocks.push( details );
-	}
 	return blocks.filter( Boolean );
 };
 
diff --git a/test/integration/fixtures/blocks/core__details.html b/test/integration/fixtures/blocks/core__details.html
new file mode 100644
index 00000000000000..855ea3f0a4f556
--- /dev/null
+++ b/test/integration/fixtures/blocks/core__details.html
@@ -0,0 +1,7 @@
+<!-- wp:details {"summary":"Details Summary"} -->
+<details class="wp-block-details"><summary>Details Summary</summary>
+	<!-- wp:paragraph {"placeholder":"Type / to add a hidden block"} -->
+	<p>Details Content</p>
+	<!-- /wp:paragraph -->
+</details>
+<!-- /wp:details -->
diff --git a/test/integration/fixtures/blocks/core__details.json b/test/integration/fixtures/blocks/core__details.json
new file mode 100644
index 00000000000000..e3873e4702db3f
--- /dev/null
+++ b/test/integration/fixtures/blocks/core__details.json
@@ -0,0 +1,22 @@
+[
+	{
+		"name": "core/details",
+		"isValid": true,
+		"attributes": {
+			"showContent": false,
+			"summary": "Details Summary"
+		},
+		"innerBlocks": [
+			{
+				"name": "core/paragraph",
+				"isValid": true,
+				"attributes": {
+					"content": "Details Content",
+					"dropCap": false,
+					"placeholder": "Type / to add a hidden block"
+				},
+				"innerBlocks": []
+			}
+		]
+	}
+]
diff --git a/test/integration/fixtures/blocks/core__details.parsed.json b/test/integration/fixtures/blocks/core__details.parsed.json
new file mode 100644
index 00000000000000..3240c013e8e866
--- /dev/null
+++ b/test/integration/fixtures/blocks/core__details.parsed.json
@@ -0,0 +1,25 @@
+[
+	{
+		"blockName": "core/details",
+		"attrs": {
+			"summary": "Details Summary"
+		},
+		"innerBlocks": [
+			{
+				"blockName": "core/paragraph",
+				"attrs": {
+					"placeholder": "Type / to add a hidden block"
+				},
+				"innerBlocks": [],
+				"innerHTML": "\n\t<p>Details Content</p>\n\t",
+				"innerContent": [ "\n\t<p>Details Content</p>\n\t" ]
+			}
+		],
+		"innerHTML": "\n<details class=\"wp-block-details\"><summary>Details Summary</summary>\n\t\n</details>\n",
+		"innerContent": [
+			"\n<details class=\"wp-block-details\"><summary>Details Summary</summary>\n\t",
+			null,
+			"\n</details>\n"
+		]
+	}
+]
diff --git a/test/integration/fixtures/blocks/core__details.serialized.html b/test/integration/fixtures/blocks/core__details.serialized.html
new file mode 100644
index 00000000000000..d5d169983bbf38
--- /dev/null
+++ b/test/integration/fixtures/blocks/core__details.serialized.html
@@ -0,0 +1,5 @@
+<!-- wp:details {"summary":"Details Summary"} -->
+<details class="wp-block-details"><summary>Details Summary</summary><!-- wp:paragraph {"placeholder":"Type / to add a hidden block"} -->
+<p>Details Content</p>
+<!-- /wp:paragraph --></details>
+<!-- /wp:details -->