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Postretirement Plans - Narrative (Detail) - U.S. Postretirement Health Care Plans | 12 Months Ended
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Dec. 28, 2024
Defined Benefit Plan Disclosure [Line Items] |
Health care cost trend rate, pre-65 | 6.60%
Health care cost trend rate, post-65 | 7.00%
Health care cost trend rate, 2039 and thereafter | 4.00%
Expected long-term rate of return on plan assets | 5.80%

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- Definition Defined Benefit Plan, Post-Sixty-Five Health Care Cost Trend Rate Assumed, Next Fiscal Year + References No definition available. + Details
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- Definition Defined Benefit Plan, Pre-Sixty-Five Health Care Cost Trend Rate Assumed, Next Fiscal Year + References No definition available. + Details
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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 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Ultimate trend rate for health care cost for defined benefit postretirement plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (l) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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