Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 27, 2024	Sep. 29, 2023	Dec. 31, 2022	Sep. 27, 2024	Sep. 29, 2023
Income Tax Disclosure [Abstract]
Federal statutory income tax rate, percent	21.00%	21.00%		21.00%	21.00%
Net tax impact of intangible asset impairment, percent	(1.40%)			(0.50%)
Net tax charges (benefits) impact, percent		0.40%		(1.40%)	0.60%
Net tax charges (benefits) impact, amount	$ 0	$ 5,000,000		$ (45,000,000)	$ 24,000,000
Domestic Tax Authority \| Internal Revenue Service (IRS)
Income Tax Contingency [Line Items]
Proposed adjustments to taxable income, self-insurance, other			$ 2,500,000,000

Income Tax Examination, Self-insurance Programs, Proposed Adjustments to Taxable Income

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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Percentage of reported income tax benefit (expense) from difference to income tax expense (benefit) computed by applying statutory federal (national) income tax rate to pretax income (loss) from continuing operation, attributable to other reconciling items. Excludes state and local income tax expense (benefit), federal tax expense (benefit), statutory income tax expense (benefit) outside of country of domicile, tax credit, nondeductible expense, deduction, income tax settlement, income tax contingency, and cross-border tax law.

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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.

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying statutory federal (national) tax rate to pretax income (loss) from continuing operation attributable to other reconciling item. Excludes state and local income tax expense (benefit), federal tax expense (benefit), statutory income tax expense (benefit) outside of country of domicile, tax credit, nondeductible expense, deduction, income tax settlement, income tax contingency, and cross-border tax law.

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