Merger restructuring and other activity.

No definition available.

Name:	odp_MergerRestructuringAndOtherActivityLineItems
Namespace Prefix:	odp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Merger transaction and integration related costs.

+ References

No definition available.

+ Details

Name:	odp_MergerTransactionAndIntegrationRelatedCosts
Namespace Prefix:	odp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Merger transaction and integration related income.

+ References

No definition available.

+ Details

Name:	odp_MergerTransactionAndIntegrationRelatedIncome
Namespace Prefix:	odp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of distribution facilities closed.

+ References

No definition available.

+ Details

Name:	odp_NumberOfDistributionFacilitiesClosed
Namespace Prefix:	odp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of retail stores closed.

+ References

No definition available.

+ Details

Name:	odp_NumberOfRetailStoresClosed
Namespace Prefix:	odp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of deferred tax liability attributable to taxable temporary differences, after deferred tax asset, and other liabilities expected to be paid after one year or operating cycle, if longer.

+ References

No definition available.

+ Details

Name:	us-gaap_DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481372/852-10-55-10

+ Details

Name:	us-gaap_OtherLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 17
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-17

+ Details

Name:	us-gaap_PaymentsForRestructuring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482047/420-10-45-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1

+ Details

Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=odp_OptimizeForGrowthRestructuringPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=us-gaap_OneTimeTerminationBenefitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=us-gaap_FacilityClosingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherRestructuringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=odp_ThirdPartyProfessionalFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=odp_ProjectCoreMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=odp_MergerAndRestructuringAccrualsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=odp_MaximizeB2BRestructuringPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=odp_VarisDivisionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Merger And Restructuring Activity - Additional Information (Detail)	3 Months Ended						6 Months Ended					48 Months Ended
	Jun. 28, 2025 USD ($)	Jun. 28, 2025 USD ($) Store	Jun. 28, 2025 USD ($) Facility	Jun. 28, 2025 USD ($) Location	Mar. 29, 2025 USD ($)	Jun. 29, 2024 USD ($)	Jun. 28, 2025 USD ($)	Jun. 28, 2025 USD ($) Store	Jun. 28, 2025 USD ($) Facility	Jun. 28, 2025 USD ($) Location	Jun. 29, 2024 USD ($)	Dec. 30, 2028 USD ($)	Dec. 28, 2024 USD ($)
Merger Restructuring And Other Activity [Line Items]
Transaction and integration expenses	$ 0
Transaction and integration income					$ 1,000,000
Costs to implement restructuring plan							$ 50,000,000
Restructuring cash expenditure							16,000,000
Accrued expenses and other current liabilities	817,000,000	$ 817,000,000	$ 817,000,000	$ 817,000,000			817,000,000	$ 817,000,000	$ 817,000,000	$ 817,000,000			$ 835,000,000
Deferred income taxes and other long-term liabilities	136,000,000	$ 136,000,000	$ 136,000,000	$ 136,000,000			136,000,000	$ 136,000,000	$ 136,000,000	$ 136,000,000			$ 116,000,000
Maximum
Merger Restructuring And Other Activity [Line Items]
Transaction and integration income						$ 1,000,000					$ 1,000,000
Optimize for Growth Restructuring Plan
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	12,000,000						60,000,000
Number of retail stores closed \| Store		23						32
Number of distribution facilities closed			3	1					3	1
Restructuring cash expenditure	7,000,000						14,000,000
Optimize for Growth Restructuring Plan \| Non-Facility Termination Benefits
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan							13,000,000
Restructuring cash expenditure							3,000,000
Optimize for Growth Restructuring Plan \| Facility Closure Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	8,000,000						43,000,000
Optimize for Growth Restructuring Plan \| Other Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan							39,000,000
Restructuring cash expenditure							11,000,000
Optimize for Growth Restructuring Plan \| Third-Party Professional Fees
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	1,000,000						5,000,000
Optimize for Growth Restructuring Plan \| Maximum \| Forecast
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan												$ 230,000,000
Optimize for Growth Restructuring Plan \| Maximum \| Non-Facility Termination Benefits \| Forecast
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan												35,000,000
Optimize for Growth Restructuring Plan \| Maximum \| Facility Closure Costs \| Forecast
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan												150,000,000
Optimize for Growth Restructuring Plan \| Maximum \| Other Costs \| Forecast
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan												45,000,000
Optimize for Growth Restructuring Plan \| Minimum \| Forecast
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan												185,000,000
Optimize for Growth Restructuring Plan \| Minimum \| Non-Facility Termination Benefits \| Forecast
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan												25,000,000
Optimize for Growth Restructuring Plan \| Minimum \| Facility Closure Costs \| Forecast
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan												125,000,000
Optimize for Growth Restructuring Plan \| Minimum \| Other Costs \| Forecast
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan												$ 35,000,000
Project Core
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan						24,000,000					42,000,000
Restructuring cash expenditure	2,000,000					30,000,000	4,000,000				32,000,000
Project Core \| Severance Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan							1,000,000
Project Core \| Non-Facility Termination Benefits
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan							(2,000,000)
Restructuring cash expenditure							1,000,000
Project Core \| Facility Closure Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	1,000,000						2,000,000
Merger and Restructuring Accruals
Merger Restructuring And Other Activity [Line Items]
Accrued expenses and other current liabilities	23,000,000	$ 23,000,000	$ 23,000,000	$ 23,000,000			23,000,000	$ 23,000,000	$ 23,000,000	$ 23,000,000
Deferred income taxes and other long-term liabilities	20,000,000	$ 20,000,000	$ 20,000,000	$ 20,000,000			20,000,000	$ 20,000,000	$ 20,000,000	$ 20,000,000
Maximize B2B Restructuring Plan
Merger Restructuring And Other Activity [Line Items]
Restructuring cash expenditure							1,000,000
Maximize B2B Restructuring Plan \| Other Costs
Merger Restructuring And Other Activity [Line Items]
Restructuring cash expenditure							1,000,000
Varis Division \| Project Core
Merger Restructuring And Other Activity [Line Items]
Restructuring cash expenditure						$ 8,000,000					8,000,000
Varis Division \| Project Core \| Severance Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan											$ 8,000,000
Corporate Employees \| Optimize for Growth Restructuring Plan \| Severance Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	$ 3,000,000						$ 13,000,000