XML 81 R59.htm IDEA: XBRL DOCUMENT v3.23.1

EMPLOYEE BENEFITS (Tables)

12 Months Ended

Dec. 31, 2022

EMPLOYEE BENEFITS

Schedule of total assets and liabilities of all types of employee benefits granted

​

​	​	​	​	​
​		2022		2021
Plan assets - Defined contribution pension plan		9,179	​	4,942
Total assets		9,179	​	4,942
​		​	​	​
Actuarial liabilities - Defined benefit pension plan		658,492	​	1,083,719
Acturial liabilities - Post-employment health care benefit		224,180	​	318,181
Retirement and termination benefit liabilities		11,222	​	13,290
Total liabilities		893,894	​	1,415,190
​	​	​	​	​
Current	​	516	​	39
Non-current		893,378	​	1,415,151

​

Post-employment defined benefit pension plans

EMPLOYEE BENEFITS

Summary of sensitivity analysis

​

​	​	​	​	​
​		1% Increase		1% Decrease
Discount rate		18,477		(12,645)

​

Defined benefit pension plan

EMPLOYEE BENEFITS

Schedule of current expenses of benefit plans

​

​	​	​	​	​	​	​
​		2022		2021		2020
Cost of current service		63,616	​	74,840		69,323
Interest expense		169,526	​	170,897		191,326
Return on plan assets		(150,700)	​	(136,933)		(156,475)
Past service cost		—	​	7,093		3,967
Settlement		—	​	(847)		(11,609)
Interest cost on unrecoverable surplus		10,440	​	4,371		7,413
Net pension cost		92,882	​	119,421		103,945

​

Schedule of reconciliations of assets and liabilities of benefit plans

​

​	​	​	​	​
​		2022		2021
Present value of defined benefit obligation		(3,841,213)	​	(5,409,065)
Fair value of plan assets		3,499,475	​	4,647,361
Asset ceiling restrictions on recognition of net funded assets		(316,754)	​	(322,015)
Net	​	(658,492)	​	(1,083,719)
Defined benefit obligation		(658,492)	​	(1,083,719)

​

Schedule of variation of plan obligations and assets

​

​	​	​	​	​	​	​
​		2022		2021		2020
Variation of the plan obligations	​	​	​	​	​	​
Obligation at the begining of the year		5,409,065		5,921,285		4,601,965
Cost of service		63,616	​	74,840		69,323
Interest expense		169,526	​	170,897		191,326
Payments of the benefits		(317,779)	​	(486,310)		(434,650)
Past service cost		—	​	7,093		3,967
Settlement		—	​	(228,881)		(190,948)
Acturial remeasurements		(1,058,898)	​	(457,421)		467,106
Exchange Variance	​	(424,317)	​	407,562	​	1,213,196
Obligation at the end of the year		3,841,213		5,409,065		5,921,285

​

​	​	​	​	​	​	​
​		2022		2021		2020
Variation of the plan assets	​	​	​	​	​	​
Fair value of the plan assets at the begining of the year		4,647,361		4,652,000		3,656,891
Return of the plan assets		150,700	​	136,933		156,475
Contributions from sponsors		173,316	​	244,123		224,979
Settlement		—	​	(228,034)		(179,339)
Payments of benefits		(317,779)	​	(486,310)		(434,650)
Remeasurement		(791,672)	​	25,498		334,675
Exchange Variance	​	(362,451)	​	303,151	​	892,969
Fair value of plan assets at the end of the year		3,499,475		4,647,361		4,652,000

​

Summary of actuarial gains and losses recognized in other comprehensive income

​

​	​	​	​	​	​	​
​		2022		2021		2020
Return of the plan assets	​	791,672	​	(25,498)		(334,675)
Actuarial Remeasurements		(1,058,898)	​	(457,421)		467,106
Restriction recognized in Other Comprehensive Income		4,965	​	178,941		(42,317)
Remeasurements recognized in Other Comprehensive Income		(262,261)	​	(303,978)		90,114

​

Summary of historical actuarial remeasurements

​

​	​	​	​	​	​	​	​	​	​	​
​		2022		2021		2020		2019		2018
Present value of defined benefit obligation		(3,841,213)	​	(5,409,065)	​	(5,921,285)		(4,601,965)		(4,391,251)
Fair value of the plan assets		3,499,475	​	4,647,361	​	4,652,000		3,656,891		3,568,934
Surplus (Deficit)		(341,738)	​	(761,704)	​	(1,269,285)		(945,074)		(822,317)
Experience adjustments on plan liabilities (Gain)		(1,058,898)	​	(457,421)	​	467,106		546,911		(370,083)
Experience adjustments on plan assets (Gain)		791,672	​	(25,498)	​	(334,675)		(386,767)		253,301

​

Summary of allocation for plan assets

​

​	​	​	​	​
​	​	2022
​		Brazilian Plans		American Plans
Fixed income		99.5%	​	48.1%
Variable income		—	​	41.2%
Others		0.5%	​	10.7%
Total		100.0%	​	100.0%

​

​	​	​	​	​
​	​	2021
​		Brazilian Plans		American Plans
Fixed income		99.2%	​	50.4%
Variable income		—	​	43.0%
Others		0.8%	​	6.6%
Total		100.0%	​	100.0%

​

Summary of assumptions

​

​	​	​	​	​
​		2022
​	​	Brazilian Plan		North America Plan
Average discount rate		9.81%	​	5.05% -5.11%
Rate of increase in compensation		Not applicable		3.00%
Mortality table		AT-2000 per sex		RP-2006 and MP-2022
Mortality table of disabled		AT-2000 per sex		RP-2006 and MP-2022
Rate of rotation		Null		Based on age and/or the service

​

​	​	​	​	​
​	​	2021
​		Brazilian Plan		North America Plan
Average discount rate		8.82%	​	2.80% - 2.90%
Rate of increase in compensation		Not applicable		3.00%
Mortality table		AT-2000 per sex		RP-2006 and MP-2021
Mortality table of disabled		AT-2000 per sex		RP-2006 and MP-2021
Rate of rotation		Null		Based on age and/or the service

​

Post-employment health care benefit

EMPLOYEE BENEFITS

Schedule of current expenses of benefit plans

​

​	​	​	​	​	​	​
​		2022		2021		2020
Current service cost		3,005	​	3,458		4,964
Interest expense		8,102	​	8,239		11,311
Past service cost		—	​	(32,434)		(660)
Net cost pension benefit		11,107	​	(20,737)		15,615

​

Schedule of reconciliations of assets and liabilities of benefit plans

​

​	​	​	​	​
​		2022		2021
Present value of obligations		(224,180)	​	(318,181)
Total net liabilities		(224,180)	​	(318,181)

​

Schedule of variation of plan obligations and assets

​

​	​	​	​	​	​	​
​		2022		2021		2020
Change in benefit obligation	​	​	​	​	​	​
Benefit obligation at beginning of the year		318,181		362,944		298,989
Cost of service		3,005	​	3,458		4,964
Interest expense		8,102	​	8,239		11,311
Past service cost		—	​	(32,434)		(660)
Contributions from participants		1,472	​	2,032		2,349
Payment of benefits		(17,488)	​	(17,431)		(20,870)
Remeasurements		(61,524)	​	(36,938)		(23,533)
Exchange variations		(27,568)	​	28,311		90,394
Benefit obligation at the end of the year		224,180	​	318,181		362,944

​

​	​	​	​	​	​	​
​		2022		2021		2020
Change in plan assets	​	​	​	​	​	​
Contributions from sponsors		16,016	​	24,713		19,150
Contributions from participants		1,472	​	2,032		2,349
Payments of benefits		(17,488)	​	(26,745)		(21,499)
Fair value of plan assets at end of the year		—	​	—		—

​

Summary of actuarial gains and losses recognized in other comprehensive income

​

​	​	​	​	​	​	​
​		2022		2021		2020
Losses / Gains on actuarial obligation		(61,524)	​	(36,938)	​	(23,533)
Actuarial losses recognized in Equity		(61,524)	​	(36,938)	​	(23,533)

​

Summary of historical actuarial remeasurements

​

​	​	​	​	​	​	​	​	​	​	​
​		2022		2021		2020		2019		2018
Present value of defined benefit obligation		(224,180)	​	(318,181)	​	(362,944)		(298,989)		(272,959)
Deficit		(224,180)	​	(318,181)	​	(362,944)		(298,989)		(272,959)
Experience adjustments on plan liabilities		(61,524)	​	(36,938)	​	(23,533)		11,202		(40,841)

​

Summary of assumptions

​

​	​	​	​	​
​		2022		2021
Average discount rate		5.05% - 5.11%	​	2.80% - 2.90%
Health treatment - rate assumed next year		5.01% - 6.70%	​	4.99% - 6.20%
Health treatment - Assumed rate of decline in the cost to achieve in the years of 2028 to 2041		3.30% - 3.75%	​	3.20% - 4.50%

​

Summary of sensitivity analysis

​

​	​	​	​	​
​		1% Increase		1% Decrease
Effect over total service costs and interest costs		1,353		(1,090)
Effect over benefit plan obligations		20,829		(17,589)

​

X

- Definition

The disclosure of allocation of the defined benefit plan assets.

+ References

No definition available.

+ Details

Name:	ggb_DisclosureOfAllocationOfDefinedBenefitPlanAssetsExplanatoryTableTextBlock
Namespace Prefix:	ggb_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of amounts recognized as actuarial gains and losses in the Statement of Comprehensive Income.

+ References

No definition available.

+ Details

Name:	ggb_DisclosureOfAmountsRecognizedAsActuarialGainsAndLossesInStatementOfComprehensiveIncomeExplanatoryTableTextBlock
Namespace Prefix:	ggb_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of assumptions used to calculate the defined benefit plans.

+ References

No definition available.

+ Details

Name:	ggb_DisclosureOfAssumptionsUsedToCalculateDefinedBenefitPlansExplanatoryTableTextBlock
Namespace Prefix:	ggb_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of Changes in plan assets and plan obligations of the defined benefit plans.

+ References

No definition available.

+ Details

Name:	ggb_DisclosureOfChangesInPlanAssetsAndPlanObligationsExplanatoryTableTextBlock
Namespace Prefix:	ggb_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of current expenses of the defined benefit plans.

+ References

No definition available.

+ Details

Name:	ggb_DisclosureOfCurrentExpensesOfDefinedBenefitPlansExplanatoryTableTextBlock
Namespace Prefix:	ggb_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of historical actuarial remeasurements of the defined benefit plans.

+ References

No definition available.

+ Details

Name:	ggb_DisclosureOfHistoricalActuarialRemeasurementsOfDefinedBenefitPlansExplanatoryTableTextBlock
Namespace Prefix:	ggb_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of reconciliations of assets and liabilities of benefit plans.

+ References

No definition available.

+ Details

Name:	ggb_DisclosureOfReconciliationsOfAssetsAndLiabilitiesOfBenefitPlansTableTextBlock
Namespace Prefix:	ggb_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of a net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2022-03-24
-Paragraph 140
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_140_a&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:textBlockItemType
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_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of a sensitivity analysis for significant actuarial assumptions used to determine the present value of a defined benefit obligation. [Refer: Actuarial assumptions [member]; Defined benefit obligation, at present value]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2022-03-24
-Paragraph 145
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_145&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_DefinedBenefitPlansAxis=ggb_PostEmploymentDefinedBenefitPensionPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_DefinedBenefitPlansAxis=ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_DefinedBenefitPlansAxis=ifrs-full_PostemploymentMedicalDefinedBenefitPlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: