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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 28, 2025	Jun. 28, 2025	Jun. 29, 2024	Dec. 28, 2024	Dec. 30, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Consideration paid	$ 7	$ 19	$ 0
Contingent consideration	106	106	44	$ 30	$ 6
Change in fair value of contingent consideration		1	$ 38
Change in fair value impact to income		2
Change in fair value impact to non-income		3
Noncontrolling Interest in Subsidiary [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	1	1
Noncontrolling Interest in Subsidiaries [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	84	84
Business [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	10	10
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	106	106		30
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	106	106		30
Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debt (including bank credit lines)	$ 3,018	$ 3,018		$ 2,536

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