diff --git a/src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php b/src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php
index fe46f3f2b2a0..be97f93593f8 100644
--- a/src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php
+++ b/src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php
@@ -118,13 +118,13 @@ class IntlDateFormatter
     private $timeZoneId;
 
     /**
-     * @param string $locale   The locale code. The only currently supported locale is "en" (or null using the default locale, i.e. "en")
-     * @param int    $datetype Type of date formatting, one of the format type constants
-     * @param int    $timetype Type of time formatting, one of the format type constants
-     * @param mixed  $timezone Timezone identifier
-     * @param int    $calendar Calendar to use for formatting or parsing. The only currently
-     *                         supported value is IntlDateFormatter::GREGORIAN (or null using the default calendar, i.e. "GREGORIAN")
-     * @param string $pattern  Optional pattern to use when formatting
+     * @param string                                  $locale   The locale code. The only currently supported locale is "en" (or null using the default locale, i.e. "en")
+     * @param int|null                                $datetype Type of date formatting, one of the format type constants
+     * @param int|null                                $timetype Type of time formatting, one of the format type constants
+     * @param \IntlTimeZone|\DateTimeZone|string|null $timezone Timezone identifier
+     * @param int                                     $calendar Calendar to use for formatting or parsing. The only currently
+     *                                                          supported value is IntlDateFormatter::GREGORIAN (or null using the default calendar, i.e. "GREGORIAN")
+     * @param string|null                             $pattern  Optional pattern to use when formatting
      *
      * @see http://www.php.net/manual/en/intldateformatter.create.php
      * @see http://userguide.icu-project.org/formatparse/datetime
@@ -142,8 +142,8 @@ public function __construct($locale, $datetype, $timetype, $timezone = null, $ca
             throw new MethodArgumentValueNotImplementedException(__METHOD__, 'calendar', $calendar, 'Only the GREGORIAN calendar is supported');
         }
 
-        $this->datetype = $datetype;
-        $this->timetype = $timetype;
+        $this->datetype = null !== $datetype ? $datetype : self::FULL;
+        $this->timetype = null !== $timetype ? $timetype : self::FULL;
 
         $this->setPattern($pattern);
         $this->setTimeZone($timezone);
@@ -152,13 +152,13 @@ public function __construct($locale, $datetype, $timetype, $timezone = null, $ca
     /**
      * Static constructor.
      *
-     * @param string $locale   The locale code. The only currently supported locale is "en" (or null using the default locale, i.e. "en")
-     * @param int    $datetype Type of date formatting, one of the format type constants
-     * @param int    $timetype Type of time formatting, one of the format type constants
-     * @param string $timezone Timezone identifier
-     * @param int    $calendar Calendar to use for formatting or parsing; default is Gregorian
-     *                         One of the calendar constants
-     * @param string $pattern  Optional pattern to use when formatting
+     * @param string                                  $locale   The locale code. The only currently supported locale is "en" (or null using the default locale, i.e. "en")
+     * @param int|null                                $datetype Type of date formatting, one of the format type constants
+     * @param int|null                                $timetype Type of time formatting, one of the format type constants
+     * @param \IntlTimeZone|\DateTimeZone|string|null $timezone Timezone identifier
+     * @param int                                     $calendar Calendar to use for formatting or parsing; default is Gregorian
+     *                                                          One of the calendar constants
+     * @param string|null                             $pattern  Optional pattern to use when formatting
      *
      * @return self
      *
@@ -485,7 +485,7 @@ public function setLenient($lenient)
     /**
      * Set the formatter's pattern.
      *
-     * @param string $pattern A pattern string in conformance with the ICU IntlDateFormatter documentation
+     * @param string|null $pattern A pattern string in conformance with the ICU IntlDateFormatter documentation
      *
      * @return bool true on success or false on failure
      *
@@ -506,9 +506,9 @@ public function setPattern($pattern)
     /**
      * Set the formatter's timezone identifier.
      *
-     * @param string $timeZoneId The time zone ID string of the time zone to use.
-     *                           If NULL or the empty string, the default time zone for the
-     *                           runtime is used.
+     * @param string|null $timeZoneId The time zone ID string of the time zone to use.
+     *                                If NULL or the empty string, the default time zone for the
+     *                                runtime is used.
      *
      * @return bool true on success or false on failure
      *
@@ -552,7 +552,7 @@ public function setTimeZoneId($timeZoneId)
     /**
      * This method was added in PHP 5.5 as replacement for `setTimeZoneId()`.
      *
-     * @param mixed $timeZone
+     * @param \IntlTimeZone|\DateTimeZone|string|null $timeZone
      *
      * @return bool true on success or false on failure
      *
diff --git a/src/Symfony/Component/Intl/Tests/DateFormatter/AbstractIntlDateFormatterTest.php b/src/Symfony/Component/Intl/Tests/DateFormatter/AbstractIntlDateFormatterTest.php
index 77d3c125c1f9..1359cc422237 100644
--- a/src/Symfony/Component/Intl/Tests/DateFormatter/AbstractIntlDateFormatterTest.php
+++ b/src/Symfony/Component/Intl/Tests/DateFormatter/AbstractIntlDateFormatterTest.php
@@ -46,6 +46,20 @@ public function testConstructorDefaultTimeZone()
         );
     }
 
+    public function testConstructorWithoutDateType()
+    {
+        $formatter = new IntlDateFormatter('en', null, IntlDateFormatter::SHORT, 'UTC', IntlDateFormatter::GREGORIAN);
+
+        $this->assertSame('EEEE, LLLL d, y, h:mm a', $formatter->getPattern());
+    }
+
+    public function testConstructorWithoutTimeType()
+    {
+        $formatter = new IntlDateFormatter('en', IntlDateFormatter::SHORT, null, 'UTC', IntlDateFormatter::GREGORIAN);
+
+        $this->assertSame('M/d/yy, h:mm:ss a zzzz', $formatter->getPattern());
+    }
+
     /**
      * @dataProvider formatProvider
      */