Incremental Rate of Return

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- Definition

Percentage of allowances on assets

+ References

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
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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/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 6
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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/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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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
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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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.

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-SubTopic 10
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-Paragraph 12
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Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Retirement Savings Plans
Defined Benefit Plan Disclosure [Line Items]
Compensation expense relating to retirement savings plans	$ 16	$ 17	$ 21
Increase (Decrease) in Mortality Table
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations	3	(10)
Increase (Decrease) in Mortality Table \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in other postretirement obligations	1	(1)
Actuarial Gains
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations	$ (12)
Actuarial Gains \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations		$ (1)
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets	4.31%	5.16%	5.44%
North America
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets	3.64%
North America \| Maximum \| Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation	15.00%
North America \| Maximum \| Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation	95.00%
North America \| Minimum \| Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation	5.00%
North America \| Minimum \| Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation	85.00%
North America \| Change in Discount Rate Assumptions
Defined Benefit Plan Disclosure [Line Items]
Increase (decrease) in pension obligations	$ (31)	$ 78
North America \| Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Pension contributions, current period	2
Pension contributions, for 2022	$ 2
United Kingdom
Defined Benefit Plan Disclosure [Line Items]
Expected long-term return on plan assets	2.03%	1.64%	1.76%
Plan asset target allocation	100.00%	100.00%
Deferred (loss) gain included in accumulated other comprehensive income	$ 24	$ 18
Percentage of allowance expense on assets	0.17%
United Kingdom \| United Kingdom Government Securities
Defined Benefit Plan Disclosure [Line Items]
Incremental return on UK government securities	4.10%
United Kingdom \| Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation	14.00%	14.00%
United Kingdom \| Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Plan asset target allocation	84.00%	85.00%