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Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
	Jan. 02, 2026	Jan. 03, 2025	Dec. 29, 2023
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	$ 0	$ 0	$ 0
Intangible assets	$ 727,000,000	$ 763,000,000
Period in years that unrecognized actuarial net gains (losses) are being recognized	20 years
Period of recognition (no greater than)	3 years
Minimum
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets useful lives	1 year
Maximum
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets useful lives	25 years

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