diff --git a/src/Symfony/Bridge/Twig/Command/DebugCommand.php b/src/Symfony/Bridge/Twig/Command/DebugCommand.php
index 0c1e462fcf..2439c5bba6 100644
--- a/src/Symfony/Bridge/Twig/Command/DebugCommand.php
+++ b/src/Symfony/Bridge/Twig/Command/DebugCommand.php
@@ -13,6 +13,7 @@ namespace Symfony\Bridge\Twig\Command;
 
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Exception\InvalidArgumentException;
+use Symfony\Component\Console\Formatter\OutputFormatter;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
@@ -188,12 +189,13 @@ EOF
 
     private function displayGeneralText(SymfonyStyle $io, string $filter = null)
     {
+        $decorated = $io->isDecorated();
         $types = ['functions', 'filters', 'tests', 'globals'];
         foreach ($types as $index => $type) {
             $items = [];
             foreach ($this->twig->{'get'.ucfirst($type)}() as $name => $entity) {
                 if (!$filter || false !== strpos($name, $filter)) {
-                    $items[$name] = $name.$this->getPrettyMetadata($type, $entity);
+                    $items[$name] = $name.$this->getPrettyMetadata($type, $entity, $decorated);
                 }
             }
 
@@ -221,6 +223,7 @@ EOF
 
     private function displayGeneralJson(SymfonyStyle $io, $filter)
     {
+        $decorated = $io->isDecorated();
         $types = ['functions', 'filters', 'tests', 'globals'];
         $data = [];
         foreach ($types as $type) {
@@ -238,11 +241,12 @@ EOF
             $data['loader_paths'] = $paths;
         }
 
-        if ($wronBundles = $this->findWrongBundleOverrides()) {
-            $data['warnings'] = $this->buildWarningMessages($wronBundles);
+        if ($wrongBundles = $this->findWrongBundleOverrides()) {
+            $data['warnings'] = $this->buildWarningMessages($wrongBundles);
         }
 
-        $io->writeln(json_encode($data));
+        $data = json_encode($data, JSON_PRETTY_PRINT);
+        $io->writeln($decorated ? OutputFormatter::escape($data) : $data);
     }
 
     private function getLoaderPaths(string $name = null): array
@@ -327,7 +331,7 @@ EOF
         }
     }
 
-    private function getPrettyMetadata($type, $entity)
+    private function getPrettyMetadata($type, $entity, $decorated)
     {
         if ('tests' === $type) {
             return '';
@@ -339,7 +343,7 @@ EOF
                 return '(unknown?)';
             }
         } catch (\UnexpectedValueException $e) {
-            return ' <error>'.$e->getMessage().'</error>';
+            return sprintf(' <error>%s</error>', $decorated ? OutputFormatter::escape($e->getMessage()) : $e->getMessage());
         }
 
         if ('globals' === $type) {
@@ -347,7 +351,9 @@ EOF
                 return ' = object('.\get_class($meta).')';
             }
 
-            return ' = '.substr(@json_encode($meta), 0, 50);
+            $description = substr(@json_encode($meta), 0, 50);
+
+            return sprintf(' = %s', $decorated ? OutputFormatter::escape($description) : $description);
         }
 
         if ('functions' === $type) {
diff --git a/src/Symfony/Bridge/Twig/Tests/Command/DebugCommandTest.php b/src/Symfony/Bridge/Twig/Tests/Command/DebugCommandTest.php
index 76eb10884b..16f61a1e3a 100644
--- a/src/Symfony/Bridge/Twig/Tests/Command/DebugCommandTest.php
+++ b/src/Symfony/Bridge/Twig/Tests/Command/DebugCommandTest.php
@@ -289,7 +289,38 @@ TXT
         $this->assertContains('[OK]', $tester->getDisplay());
     }
 
-    private function createCommandTester(array $paths = [], array $bundleMetadata = [], string $defaultPath = null, string $rootDir = null, bool $useChainLoader = false): CommandTester
+    public function testWithGlobals()
+    {
+        $message = '<error>foo</error>';
+        $tester = $this->createCommandTester([], [], null, null, false, ['message' => $message]);
+        $tester->execute([], ['decorated' => true]);
+        $display = $tester->getDisplay();
+        $this->assertContains(\json_encode($message), $display);
+    }
+
+    public function testWithGlobalsJson()
+    {
+        $globals = ['message' => '<error>foo</error>'];
+        $tester = $this->createCommandTester([], [], null, null, false, $globals);
+        $tester->execute(['--format' => 'json'], ['decorated' => true]);
+        $display = $tester->getDisplay();
+        $display = \json_decode($display, true);
+        $this->assertSame($globals, $display['globals']);
+    }
+
+    public function testWithFilter()
+    {
+        $tester = $this->createCommandTester();
+        $tester->execute(['--format' => 'json'], ['decorated' => false]);
+        $display = $tester->getDisplay();
+        $display1 = \json_decode($display, true);
+        $tester->execute(['--filter' => 'date', '--format' => 'json'], ['decorated' => false]);
+        $display = $tester->getDisplay();
+        $display2 = \json_decode($display, true);
+        $this->assertNotSame($display1, $display2);
+    }
+
+    private function createCommandTester(array $paths = [], array $bundleMetadata = [], string $defaultPath = null, string $rootDir = null, bool $useChainLoader = false, array $globals = []): CommandTester
     {
         $projectDir = \dirname(__DIR__).\DIRECTORY_SEPARATOR.'Fixtures';
         $loader = new FilesystemLoader([], $projectDir);
@@ -305,8 +336,13 @@ TXT
             $loader = new ChainLoader([$loader]);
         }
 
+        $environment = new Environment($loader);
+        foreach ($globals as $name => $value) {
+            $environment->addGlobal($name, $value);
+        }
+
         $application = new Application();
-        $application->add(new DebugCommand(new Environment($loader), $projectDir, $bundleMetadata, $defaultPath, $rootDir));
+        $application->add(new DebugCommand($environment, $projectDir, $bundleMetadata, $defaultPath, $rootDir));
         $command = $application->find('debug:twig');
 
         return new CommandTester($command);