diff --git a/arelle/plugin/validate/ESEF/Const.py b/arelle/plugin/validate/ESEF/Const.py
index ef8b85eaaf..f75230ffd0 100644
--- a/arelle/plugin/validate/ESEF/Const.py
+++ b/arelle/plugin/validate/ESEF/Const.py
@@ -90,6 +90,10 @@
     qname("{http://www.xbrl.org/dtr/type/2020-01-21}nonnum:domainItemType"),
 ))
 
+qnDomainItemTypes2024 = frozenset((
+    qname("{http://www.xbrl.org/dtr/type/2022-03-31}nonnum:domainItemType"),
+))
+
 
 linkbaseRefTypes = {
     "http://www.xbrl.org/2003/role/calculationLinkbaseRef": "cal",
diff --git a/arelle/plugin/validate/ESEF/ESEF_Current/DTS.py b/arelle/plugin/validate/ESEF/ESEF_Current/DTS.py
index 0c7fab2e03..e6ab0a9833 100644
--- a/arelle/plugin/validate/ESEF/ESEF_Current/DTS.py
+++ b/arelle/plugin/validate/ESEF/ESEF_Current/DTS.py
@@ -5,6 +5,7 @@
 
 import unicodedata
 from collections import defaultdict
+from datetime import datetime
 
 import regex as re
 
@@ -23,6 +24,7 @@
     linkbaseRefTypes,
     qnDomainItemTypes,
     qnDomainItemTypes2023,
+    qnDomainItemTypes2024,
 )
 from ..Util import isChildOfNotes, isExtension, getDisclosureSystemYear
 
@@ -39,7 +41,8 @@ def checkFilingDTS(val: ValidateXbrl, modelDocument: ModelDocument, esefNotesCon
 
     isExtensionDoc = isExtension(val, modelDocument)
     filenamePattern = filenameRegex = None
-    anchorAbstractExtensionElements = getDisclosureSystemYear(val.modelXbrl) < 2023 and val.authParam["extensionElementsAnchoring"] == "include abstract"
+    esefDisclosureSystemYear = getDisclosureSystemYear(val.modelXbrl)
+    anchorAbstractExtensionElements = esefDisclosureSystemYear < 2023 and val.authParam["extensionElementsAnchoring"] == "include abstract"
     allowCapsInLc3Words = val.authParam["LC3AllowCapitalsInWord"]
 
     def lc3wordAdjust(word: str) -> str:
@@ -49,6 +52,14 @@ def lc3wordAdjust(word: str) -> str:
             return word[0].upper() + word[1:]
         return word
 
+    esefTaxonomyYear = esefDisclosureSystemYear # if the taxonomy isn't recognised, take the disclosure system
+    for url in val.modelXbrl.namespaceDocs.keys():
+        match = re.match("http[s]?://www.esma.europa.eu/taxonomy/([0-9]{4}-[0-9]{2}-[0-9]{2})/.*", url)
+        if match:
+            date = match.groups()[0]
+            esefTaxonomyYear = datetime.strptime(date, "%Y-%m-%d").year
+            break
+
     if not isExtensionDoc:
         pass
 
@@ -109,7 +120,13 @@ def lc3wordAdjust(word: str) -> str:
                         val.modelXbrl.error("ESEF.3.4.3.extensionTaxonomyDimensionNotAssignedDefaultMemberInDedicatedPlaceholder",
                             _("Each dimension in an issuer specific extension taxonomy MUST be assigned to a default member in the ELR with role URI http://www.esma.europa.eu/xbrl/role/core/ifrs-dim_role-990000 defined in esef_cor.xsd schema file. %(qname)s"),
                             modelObject=modelConcept, qname=modelConcept.qname)
-                    esefDomainItemTypes = qnDomainItemTypes if getDisclosureSystemYear(val.modelXbrl) < 2023 else qnDomainItemTypes2023
+
+                    if esefDisclosureSystemYear < 2023:
+                        esefDomainItemTypes = qnDomainItemTypes
+                    elif esefDisclosureSystemYear == 2023:
+                        esefDomainItemTypes = qnDomainItemTypes2023
+                    else:
+                        esefDomainItemTypes = qnDomainItemTypes2024
                     if modelConcept.isDomainMember and modelConcept in val.domainMembers and modelConcept.typeQname not in esefDomainItemTypes:
                         domainMembersWrongType.append(modelConcept)
                     if modelConcept.isPrimaryItem and not modelConcept.isAbstract:
@@ -147,6 +164,23 @@ def lc3wordAdjust(word: str) -> str:
                                     extLineItemsWronglyAnchored.append(modelConcept)
                     if modelConcept.isMonetary and not modelConcept.balance:
                         extMonetaryConceptsWithoutBalance.append(modelConcept)
+                    if esefDisclosureSystemYear >= 2024:
+                        widerConcept = widerNarrowerRelSet.fromModelObject(modelConcept)
+                        narrowerConcept = widerNarrowerRelSet.toModelObject(modelConcept)
+
+                        # Transform the qname to str for the later join()
+                        widerTypes = set(str(r.toModelObject.typeQname) for r in widerConcept)
+                        narrowerTypes = set(str(r.fromModelObject.typeQname) for r in narrowerConcept)
+
+                        if (narrowerTypes and narrowerTypes != {str(modelConcept.typeQname)}) or (widerTypes and widerTypes != {str(modelConcept.typeQname)}):
+                            widerNarrowerType = "{} {}".format(
+                                "Wider: {}".format(", ".join(widerTypes)) if widerTypes else "",
+                                "Narrower: {}".format(", ".join(narrowerTypes)) if narrowerTypes else ""
+                            )
+                            val.modelXbrl.warning("ESEF.1.4.1.differentExtensionDataType",
+                                                _("Issuers should anchor their extension elements to ESEF core taxonomy elements sharing the same data type. Concept: %(qname)s type: %(type)s %(widerNarrowerType)s"),
+                                                modelObject=modelConcept, qname=modelConcept.qname, type=modelConcept.typeQname, widerNarrowerType=widerNarrowerType)
+
                     # check all lang's of standard label
                     hasLc3Match = False
                     lc3names = []
@@ -204,9 +238,13 @@ def lc3wordAdjust(word: str) -> str:
                 _("Extension taxonomy MUST NOT define typed dimensions: %(concepts)s."),
                 modelObject=typedDimsInExtTxmy, concepts=", ".join(str(c.qname) for c in typedDimsInExtTxmy))
         if domainMembersWrongType:
-            xbrlReference322 = "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"
-            if getDisclosureSystemYear(val.modelXbrl) < 2023:
+            if esefDisclosureSystemYear < 2023:
                 xbrlReference322 = "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"
+            elif esefDisclosureSystemYear == 2023 or esefTaxonomyYear < 2024:
+                xbrlReference322 = "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"
+            else:
+                xbrlReference322 = "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"
+
             val.modelXbrl.error("ESEF.3.2.2.domainMemberWrongDataType",
                 _("Domain members MUST have domainItemType data type as defined in \"%(xbrlReference)s\": concept %(concepts)s."),
                 modelObject=domainMembersWrongType, xbrlReference=xbrlReference322,
@@ -278,6 +316,12 @@ def lc3wordAdjust(word: str) -> str:
                 if linkEltName == "calculationLink":
                     val.hasExtensionCal = True
                     linkbasesFound.add(linkEltName)
+                    if esefDisclosureSystemYear >= 2024:
+                        for arc in linkElt.iterdescendants(tag="{http://www.xbrl.org/2003/linkbase}calculationArc"):
+                            if arc.get("{http://www.w3.org/1999/xlink}arcrole") != "https://www.xbrl.org/2023/arcrole/summation-item":
+                                val.modelXbrl.error("ESEF.3.4.1.IncorrectSummationItemArcroleUsed",
+                                                    _("Starting from the ESEF 2024 taxonomy, only calculation linkbases using the arcrole 'https://www.xbrl.org/2023/arcrole/summation-item' are permitted. Arcrole  %(arcrole)s has been found."),
+                                                    arcrole=arc.get("{http://www.w3.org/1999/xlink}arcrole"))
                 if linkEltName == "definitionLink":
                     val.hasExtensionDef = True
                     linkbasesFound.add(linkEltName)
@@ -290,7 +334,7 @@ def lc3wordAdjust(word: str) -> str:
                         if arcrole not in esefDefinitionArcroles:
                             disallowedArcroles[arcrole].append(arcElt)
 
-                if linkEltName in ("definitionLink", ) and getDisclosureSystemYear(val.modelXbrl) == 2023 and val.authParam["validate1_9_1"] in ("true", "True", 1):
+                if linkEltName in ("definitionLink", ) and esefDisclosureSystemYear == 2023 and val.authParam["validate1_9_1"] in ("true", "True", 1):
                     for locElt in linkElt.iterchildren("{http://www.xbrl.org/2003/linkbase}loc"):
                         refObject = locElt.dereference()
                         if (isinstance(refObject, ModelConcept)
diff --git a/arelle/plugin/validate/ESEF/ESEF_Current/ValidateXbrlFinally.py b/arelle/plugin/validate/ESEF/ESEF_Current/ValidateXbrlFinally.py
index 788dea25d2..6408979326 100644
--- a/arelle/plugin/validate/ESEF/ESEF_Current/ValidateXbrlFinally.py
+++ b/arelle/plugin/validate/ESEF/ESEF_Current/ValidateXbrlFinally.py
@@ -6,7 +6,7 @@
 import os
 import zipfile
 from collections import defaultdict
-from datetime import datetime
+from datetime import datetime, timedelta
 from math import isnan
 from typing import Any, List, cast
 
@@ -146,7 +146,8 @@ def validateXbrlFinally(val: ValidateXbrl, *args: Any, **kwargs: Any) -> None:
     checkFilingDTS(val, modelXbrl.modelDocument, esefNotesConcepts, [], ifrsNses=_ifrsNses)
     modelXbrl.profileActivity("... filer DTS checks", minTimeToShow=1.0)
 
-    if getDisclosureSystemYear(modelXbrl) >= 2023:
+    esefDisclosureSystemYear = getDisclosureSystemYear(modelXbrl)
+    if esefDisclosureSystemYear >= 2023:
         if val.unconsolidated and modelXbrl.fileSource.dir:
             instanceNumber = 0
             for file in modelXbrl.fileSource.dir:
@@ -175,7 +176,7 @@ def validateXbrlFinally(val: ValidateXbrl, *args: Any, **kwargs: Any) -> None:
                     if ifrs_year != esef_year:
                         # this check isn't precise enough, but the list of available concept isn't available in esef_cor
                         modelXbrl.warning("ESEF.1.2.IFRSNotYetIncluded",
-                                        _("Elements available in the IFRS Taxonomy that were not yet included in the ESEF taxonomy sould not be used."),
+                                        _("Elements available in the IFRS Taxonomy that were not yet included in the ESEF taxonomy should not be used."),
                                         modelObject=modelXbrl)
 
     if val.consolidated and not (val.hasExtensionSchema and val.hasExtensionPre and val.hasExtensionCal and val.hasExtensionDef and val.hasExtensionLbl):
@@ -283,7 +284,7 @@ def checkFootnote(elt: ModelInlineFootnote | ModelResource, text: str) -> None:
                                 modelObject=doc, doctype=docinfo.doctype)
 
         reportIncorrectlyPlacedInPackageRef = "https://www.xbrl.org/Specification/report-package/CR-2023-05-03/report-package-CR-2023-05-03.html"
-        if getDisclosureSystemYear(modelXbrl) < 2023:
+        if esefDisclosureSystemYear < 2023:
             reportIncorrectlyPlacedInPackageRef = "http://www.xbrl.org/WGN/report-packages/WGN-2018-08-14/report-packages-WGN-2018-08-14.html"
 
         if len(ixdsDocDirs) > 1 and val.consolidated:
@@ -411,7 +412,7 @@ def checkFootnote(elt: ModelInlineFootnote | ModelResource, text: str) -> None:
                                     modelObject=elt, qname=elt.qname)
                         elif any(character in elt.stringValue for character in ['&lt;', '&amp;', '&', '<']):
                             if not (hasattr(elt, 'attrib')) or ('escape' not in elt.attrib or elt.attrib.get('escape').lower() != 'true'):
-                                modelXbrl.error("ESEF.2.2.6.escapedHTMLUsedInBlockTagWithSpecialCharacters" if getDisclosureSystemYear(modelXbrl) < 2023 else "ESEF.2.2.7.escapedHTMLUsedInBlockTagWithSpecialCharacters",
+                                modelXbrl.error("ESEF.2.2.6.escapedHTMLUsedInBlockTagWithSpecialCharacters" if esefDisclosureSystemYear < 2023 else "ESEF.2.2.7.escapedHTMLUsedInBlockTagWithSpecialCharacters",
                                         _("A text block containing '&' or '<' character MUST have an 'escape' attribute: %(qname)s."),
                                         modelObject=elt, qname=elt.qname)
                         # Check that continuation elements are in the order of html text as rendered to user
@@ -534,6 +535,7 @@ def checkFootnote(elt: ModelInlineFootnote | ModelResource, text: str) -> None:
         contextsWithDisallowedOCEcontent = []
         contextsWithPeriodTime: list[ModelContext] = []
         contextsWithPeriodTimeZone: list[ModelContext] = []
+        contextsWithWrongInstantDate: list[ModelContext] = []
         contextIdentifiers = defaultdict(list)
         nonStandardTypedDimensions: dict[Any, Any] = defaultdict(set)
         for context in modelXbrl.contexts.values():
@@ -548,6 +550,9 @@ def checkFootnote(elt: ModelInlineFootnote | ModelResource, text: str) -> None:
                         contextsWithPeriodTime.append(context)
                     if m.group(3):
                         contextsWithPeriodTimeZone.append(context)
+
+            if esefDisclosureSystemYear >= 2024 and context.instantDate and context.instantDate.day == 1 and context.instantDate.month == 1:
+                contextsWithWrongInstantDate.append(context)
             for elt in context.iterdescendants("{http://www.xbrl.org/2003/instance}segment"):
                 contextsWithDisallowedOCEs.append(context)
                 break
@@ -597,6 +602,11 @@ def checkFootnote(elt: ModelInlineFootnote | ModelResource, text: str) -> None:
             modelXbrl.error("ESEF.2.1.2.periodWithTimeZone",
                 _("The xbrli:startDate, xbrli:endDate and xbrli:instant elements MUST identify periods using whole days (i.e. specified without a time zone): %(contextIds)s"),
                 modelObject=contextsWithPeriodTimeZone, contextIds=", ".join(c.id for c in contextsWithPeriodTimeZone if c.id))
+        if contextsWithWrongInstantDate:
+            for context in contextsWithWrongInstantDate:
+                modelXbrl.error("ESEF.2.1.2.inappropriateInstantDate",
+                                _("Instant date %(actualValue)s in context %(contextID)s shall be replaced by %(expectedValue)s to ensure a better comparability between the facts."),
+                                modelObject=contextsWithWrongInstantDate, actualValue=context.instantDate, expectedValue=context.instantDate - timedelta(days=1), contextID=context.id)
 
         # identify unique contexts and units
         mapContext = {}
@@ -644,11 +654,24 @@ def checkFootnote(elt: ModelInlineFootnote | ModelResource, text: str) -> None:
         langsUsedByTextFacts = set()
 
         hasNoFacts = True
+        factsMissingId = []
         for qn, facts in modelXbrl.factsByQname.items():
             hasNoFacts = False
             if qn in mandatory:
                 reportedMandatory.add(qn)
             for f in facts:
+                if esefDisclosureSystemYear >= 2024:
+                    if not f.id:
+                        factsMissingId.append(f)
+                    escaped = f.get("escape") in ("true", "1")
+                    if escaped != f.concept.type.isTextBlock:
+                        modelXbrl.error("ESEF.2.2.7.improperApplicationOfEscapeAttribute",
+                                          _("Facts with datatype 'dtr-types:textBlockItemType' MUST use the 'escape' attribute set to 'true'. Facts with any other datatype MUST use the 'escape' attribute set to 'false' - fact %(conceptName)s"),
+                                          modelObject=f, conceptName=f.concept.qname)
+                    if f.effectiveValue == "0" and f.xValue != 0:
+                        modelXbrl.warning("ESEF.2.2.5.roundedValueBelowScaleNotNull",
+                                          _("A value that has been rounded and is below the scale should show a value of zero. It has been found to have the value %(value)s - fact %(conceptName)s"),
+                                          modelObject=f, value=f.value, conceptName=f.concept.qname)
                 if f.precision is not None:
                     precisionFacts.add(f)
                 if f.isNumeric and f.concept is not None and getattr(f, "xValid", 0) >= VALID:
@@ -680,6 +703,10 @@ def checkFootnote(elt: ModelInlineFootnote | ModelResource, text: str) -> None:
                         #    conceptsUsed.add(dim.typedMember)
                 '''
 
+        if esefDisclosureSystemYear >= 2024 and factsMissingId:
+            modelXbrl.warning("ESEF.2.2.8.missingFactID",
+                              _("All facts should have a unique identifier. Facts %(elements)s have no identifier."),
+                              modelObject=f, elements=", ".join([str(f.qname) for f in factsMissingId]), )
         if noLangFacts:
             modelXbrl.error("ESEF.2.5.2.undefinedLanguageForTextFact",
                 _("Each tagged text fact MUST have the 'xml:lang' attribute assigned or inherited."),
diff --git a/arelle/plugin/validate/ESEF/__init__.py b/arelle/plugin/validate/ESEF/__init__.py
index 1e59b32113..b479078688 100644
--- a/arelle/plugin/validate/ESEF/__init__.py
+++ b/arelle/plugin/validate/ESEF/__init__.py
@@ -369,7 +369,7 @@ def modelTestcaseVariationReportPackageIxdsOptions(
         "Validate ESMA ESEF-2022",
         "validate/ESEF_2022",
     ],
-    "version": "1.2023.00",
+    "version": "1.2024.00",
     "description": """ESMA ESEF Filer Manual and RTS Validations.""",
     "license": "Apache-2",
     "author": authorLabel,
diff --git a/arelle/plugin/validate/ESEF/resources/authority-validations.json b/arelle/plugin/validate/ESEF/resources/authority-validations.json
index 36656ffb92..1791fc9a13 100644
--- a/arelle/plugin/validate/ESEF/resources/authority-validations.json
+++ b/arelle/plugin/validate/ESEF/resources/authority-validations.json
@@ -130,6 +130,22 @@
             "https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor.xsd"
         ]
     },
+    "ESEF-2024": {
+        "outdatedTaxonomyURLs": [
+            "http://www.esma.europa.eu/taxonomy/2017-03-31/esef_cor.xsd",
+            "https://www.esma.europa.eu/taxonomy/2017-03-31/esef_cor.xsd",
+            "http://www.esma.europa.eu/taxonomy/2019-03-27/esef_cor.xsd",
+            "https://www.esma.europa.eu/taxonomy/2019-03-27/esef_cor.xsd",
+            "http://www.esma.europa.eu/taxonomy/2020-03-16/esef_cor.xsd",
+            "https://www.esma.europa.eu/taxonomy/2020-03-16/esef_cor.xsd",
+            "http://www.esma.europa.eu/taxonomy/2021-03-24/esef_cor.xsd",
+            "https://www.esma.europa.eu/taxonomy/2021-03-24/esef_cor.xsd"
+        ],
+        "effectiveTaxonomyURLs": [
+            "http://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor.xsd",
+            "https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor.xsd"
+        ]
+    },
     "AT": {
         "name": "Austria",
         "reportPackageMaxMB": "100",
diff --git a/arelle/plugin/validate/ESEF/resources/config.xml b/arelle/plugin/validate/ESEF/resources/config.xml
index 334388b716..f0f2c5cf11 100644
--- a/arelle/plugin/validate/ESEF/resources/config.xml
+++ b/arelle/plugin/validate/ESEF/resources/config.xml
@@ -4,6 +4,27 @@
         xsi:noNamespaceSchemaLocation="../../../../config/disclosuresystems.xsd">
     <!-- see ../../../../config/disclosuresystem.xml for full comments -->
 
+    <DisclosureSystem
+        names="ESMA RTS on ESEF-2024|ESEF-2024|esef-2024"
+        description="ESMA RTS on ESEF-2024 Validation Checks for Consolidated Financial Statements"
+        validationType="ESEF"
+        exclusiveTypesPattern="EFM|GFM|FERC|HMRC|SBR.NL|EBA|EIOPA|ESEF"
+        blockDisallowedReferences="false"
+        validateFileText="false"
+        contextElement="scenario"
+    />
+
+    <DisclosureSystem
+        names="ESMA RTS on ESEF-2024 Unconsolidated|ESEF-Unconsolidated-2024|esef-unconsolidated-2024"
+        description="ESMA RTS on ESEF-2024 Validation Checks for Unconsolidated Financial Statements"
+        validationType="ESEF"
+        exclusiveTypesPattern="EFM|GFM|FERC|HMRC|SBR.NL|EBA|EIOPA|ESEF"
+        blockDisallowedReferences="false"
+        validateFileText="false"
+        contextElement="scenario"
+     />
+
+
     <DisclosureSystem
          names="ESMA RTS on ESEF-2023|ESEF-2023|esef-2023|ESEF|esef"
          description="ESMA RTS on ESEF-2023 Validation Checks for Consolidated Financial Statements"