| Severity | Code | Message |
|---|---|---|
| WARNING | formula:assertionUnsatisfied | man_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities |
| WARNING | formula:assertionUnsatisfied | man_NameOfParentEntity |
| WARNING | formula:assertionUnsatisfied | man_NameOfUltimateParentOfGroup |
| ERROR | formula:assertionUnsatisfied | man_NameOfReportingEntityOrOtherMeansOfIdentification |
| WARNING | formula:assertionUnsatisfied | positive, $pos: ifrs-full:NetForeignExchangeGain context P01_01_2021To12_31_2021 |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:ProfitLossBeforeTaxRevenue in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 84,016,000 computed sum 168,032,000 context P01_01_2021To12_31_2021 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:ProfitLossBeforeTaxRevenue in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 36,504,000 computed sum 73,008,000 context P01_01_2020To12_31_2020 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:ProfitLossFromOperatingActivitiesRevenue in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 84,390,000 computed sum 168,780,000 context P01_01_2021To12_31_2021 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:ProfitLossFromOperatingActivitiesRevenue in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 36,928,000 computed sum 73,856,000 context P01_01_2020To12_31_2020 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:OperatingExpenseRevenue in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 3,286,000 computed sum 6,572,000 context P01_01_2021To12_31_2021 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:OperatingExpenseRevenue in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 2,649,000 computed sum 5,298,000 context P01_01_2020To12_31_2020 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:TotalInvestmentIncomeAndGainsAndLossesRevenue in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 87,676,000 computed sum 175,352,000 context P01_01_2021To12_31_2021 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:TotalInvestmentIncomeAndGainsAndLossesRevenue in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 39,577,000 computed sum 79,154,000 context P01_01_2020To12_31_2020 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:RevenueOfRevenue in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 87,676,000 computed sum 175,352,000 context P01_01_2021To12_31_2021 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:RevenueOfRevenue in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 39,577,000 computed sum 79,154,000 context P01_01_2020To12_31_2020 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:ProfitLossBeforeTaxCapital in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 112,574,000 computed sum 225,148,000 context P01_01_2021To12_31_2021 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:ProfitLossBeforeTaxCapital in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 179,949,000 computed sum 359,898,000 context P01_01_2020To12_31_2020 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:ProfitLossFromOperatingActivitiesCapital in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 113,691,000 computed sum 227,382,000 context P01_01_2021To12_31_2021 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:ProfitLossFromOperatingActivitiesCapital in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 181,221,000 computed sum 362,442,000 context P01_01_2020To12_31_2020 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:OperatingExpenseCapital in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 6,987,000 computed sum 13,974,000 context P01_01_2021To12_31_2021 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:OperatingExpenseCapital in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 4,877,000 computed sum 9,754,000 context P01_01_2020To12_31_2020 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:TotalInvestmentIncomeAndGainsAndLossesCapital in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 120,678,000 computed sum 241,356,000 context P01_01_2021To12_31_2021 unit Unit_GBP unreportedContributingItems none |
| INCONSISTENCY | xbrl.5.2.5.2:calcInconsistency | Calculation inconsistent from brwm:TotalInvestmentIncomeAndGainsAndLossesCapital in link role http://www.blackrock.com/role/ConsolidatedStatementOfComprehensiveIncome reported sum 186,098,000 computed sum 372,196,000 context P01_01_2020To12_31_2020 unit Unit_GBP unreportedContributingItems none |
| WARNING | formula:assertionUnsatisfied | man_DomicileOfEntity |
| WARNING | formula:assertionUnsatisfied | man_LegalFormOfEntity |
| WARNING | formula:assertionUnsatisfied | man_CountryOfIncorporation |
| WARNING | formula:assertionUnsatisfied | man_ExplanationOfChangeInNameOfReportingEntityOrOtherMeansOfIdentificationFromEndOfPrecedingReportingPeriod |
| WARNING | formula:assertionUnsatisfied | man_ExplanationOfChangeInNameOfReportingEntityOrOtherMeansOfIdentificationFromEndOfPrecedingReportingPeriod |
| WARNING | formula:assertionUnsatisfied | man_AddressOfRegisteredOfficeOfEntity |
| WARNING | formula:assertionUnsatisfied | man_PrincipalPlaceOfBusiness |
| WARNING | formula:assertionUnsatisfied | man_NameOfUltimateParentOfGroup |
| WARNING | formula:assertionUnsatisfied | positive, $pos: ifrs-full:NetForeignExchangeGain context P01_01_2021To12_31_2021 |
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