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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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