XML 314 R172.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Share Based Compensation - Summary of FV Per Performance Criteria and Program (Detail) - kr / shares | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Executive performance plan [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Fair value ESG - Social |  | kr 58.42 |  |  |
Key contributor plan [member] | Fair value – Tranche 1 [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Fair value | kr 61.12 | 60.31 | kr 94.13 | kr 109.8 |
Key contributor plan [member] | Fair value – Tranche 2 [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Fair value | 58.4 | 61.13 | 60.31 | 94.13 |
Key contributor plan [member] | Fair value – Tranche 3 [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Fair value | 55.81 | 58.42 | 61.13 | 60.31 |
Executive team plans [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Fair value Group operating income | 47.8 | 71.45 | 110.7 | 74.22 | kr 86.94
Fair value ESG - Environmental | 47.8 | 71.45 |  |  |
Fair Value Absolute T S R [member] | Executive performance plan [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Fair value of TSR market related condition |  | 2.3 |  |  |
Fair Value Relative T S R [member] | Executive performance plan [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Fair value of TSR market related condition |  | 2.4 |  |  |
Long-term variable compensation program [member] | Executive performance plan [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Fair value Group operating income |  | 58.42 | 61.13 | 60.31 |
Fair value ESG - Environmental |  | 58.42 |  |  |
Long-term variable compensation program [member] | Executive team plans [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Share price at grant | 55.59 | 78.88 | 116.66 | 78.88 | 90.7
Fair value ESG - Social | 47.8 | 71.45 |  |  |
Long-term variable compensation program [member] | Fair Value Absolute T S R [member] | Executive team plans [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Fair value absolute TSR | 32.75 | 41.18 | 113.47 | 54.69 | 87.92
Long-term variable compensation program [member] | Fair Value Relative T S R [member] | Executive team plans [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Fair value relative TSR | kr 39.4 | kr 54.48 | kr 108.61 | kr 98.06 | kr 94.63

X
- Definition Fair value environmental. + References No definition available. + Details
Name: | eric_FairValueEnvironmental
Namespace Prefix: | eric_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value group operating income. + References No definition available. + Details
Name: | eric_FairValueGroupOperatingIncome
Namespace Prefix: | eric_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of cash settled. + References No definition available. + Details
Name: | eric_FairValueOfCashSettled
Namespace Prefix: | eric_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of TSR market related condition. + References No definition available. + Details
Name: | eric_FairValueOfTSRMarketRelatedCondition
Namespace Prefix: | eric_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value price per share. + References No definition available. + Details
Name: | eric_FairValuePricePerShare
Namespace Prefix: | eric_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value social. + References No definition available. + Details
Name: | eric_FairValueSocial
Namespace Prefix: | eric_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of Absolute TSR market relating condition + References No definition available. + Details
Name: | eric_FairValueofAbsoluteTSRMarketRelatingCondition
Namespace Prefix: | eric_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of relative TSR market related condition. + References No definition available. + Details
Name: | eric_FairValueofRelativeTSRMarketRelatedCondition
Namespace Prefix: | eric_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | eric_PlanName1Axis=eric_ExecutivePerformancePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | eric_PlanName1Axis=eric_KeyContributorPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MeasurementAxis=eric_ShareBasedPaymentArrangementVestingPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MeasurementAxis=eric_ShareBasedPaymentArrangementVestingPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MeasurementAxis=eric_ShareBasedPaymentArrangementVestingPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_EntityContactPersonnelContactPersonTypeAxis=eric_ExecutiveTeamPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RegulatoryEnvironmentsAxis=eric_FairValueAbsoluteTSRMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RegulatoryEnvironmentsAxis=eric_FairValueRelativeTSRMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=eric_LongtermVariableCompensationProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |