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Retirement and Other Employee Benefits - Pension and Postretirement Health Care Benefits (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 29, 2024 | Jul. 01, 2023 | Jun. 29, 2024 | Jul. 01, 2023
Postretirement Health Care Benefits Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | $ 0 | $ 0 | $ 0 | $ 0
Interest cost | 2 | 2 | 3 | 3
Expected return on plan assets | (3) | (3) | (6) | (6)
Amortization of: |  |  |  |
Unrecognized net loss | 1 | 1 | 2 | 2
Unrecognized prior service cost | 1 | 1 | 2 | 2
Net periodic pension cost (benefits) | 1 | 1 | 1 | 1
U.S. | Pension Benefit Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 0 | 0 | 0 | 0
Interest cost | 47 | 47 | 94 | 94
Expected return on plan assets | (74) | (73) | (149) | (146)
Amortization of: |  |  |  |
Unrecognized net loss | 6 | 5 | 12 | 10
Unrecognized prior service cost | 0 | 0 | 0 | 0
Net periodic pension cost (benefits) | (21) | (21) | (43) | (42)
Foreign Plan | Pension Benefit Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 0 | 0 | 0 | 0
Interest cost | 14 | 2 | 28 | 4
Expected return on plan assets | (26) | (15) | (51) | (30)
Amortization of: |  |  |  |
Unrecognized net loss | 1 | 9 | 3 | 18
Unrecognized prior service cost | 0 | 0 | (1) | 0
Net periodic pension cost (benefits) | $ (11) | $ (4) | $ (21) | $ (8)

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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480535/715-20-45-3A Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6 + Details
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