Pension plan coverage percentage.

No definition available.

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
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- Definition

Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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- Definition

Amount of increase (decrease) in obligation for pension benefits. Includes, but is not limited to, defined benefit or defined contribution plans. Excludes other postretirement benefits.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
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- Definition

Amount of increase (decrease) in obligation for other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes pension benefits.

+ References

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- Definition

Amount of tax expense (benefit) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

+ References

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Employee Benefit Plans - Additional Information (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 30, 2023	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Funded amount	$ 0		$ 0
Retirement Savings Plans
Defined Benefit Plan Disclosure [Line Items]
Compensation expense relating to retirement savings plans		$ 13,000,000	15,000,000	$ 16,000,000
Increase (Decrease) in Mortality Table
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations			(6,000,000)
Increase (Decrease) in Mortality Table \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations			1,000,000
Increase (decrease) in other postretirement plan obligations			(1,000,000)
Actuarial Gains
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations			$ (2,000,000)
Actuarial Gains \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations		$ (1,000,000)
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets		4.99%	5.17%	3.64%
Pension Benefits \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations		$ 1,000,000
North America
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets		5.29%
North America \| Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation		10.00%
North America \| Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation		90.00%
North America \| Change in Discount Rate Assumptions
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations		$ (16,000,000)
Increase (decrease) in other postretirement plan obligations			$ 9,000,000
North America \| Change in Discount Rate Assumptions \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in other postretirement plan obligations	1,000,000	(1,000,000)
North America \| Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Pension contributions, current period		2,000,000
Pension contributions, for 2025		2,000,000
Funded amount	$ 15,000,000	$ 12,000,000	$ 15,000,000
United Kingdom
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets		4.20%	3.20%	3.47%
Plan asset target allocation	100.00%	100.00%	100.00%
Deferred (loss) gain included in accumulated other comprehensive income		$ 74,000,000	$ 76,000,000
Pension plan coverage percentage		100.00%
Funded amount		$ (1,000,000)