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Fari Value Measurements (Components of Change in Fair Value of Contingent Consideration) (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 29, 2025 | Mar. 30, 2024
Fair Value Measurements [Abstract] |  |
Balance, beginning of period | $ 30 | $ 6
Increase in contingent consideration due to business acquisitions and acquisitions of noncontrolling interests in subsidiaries | 93 | 0
Decrease in contingent consideration due to payments | (12) | 0
Change in fair value of contingent consideration | 1 | 15
Balance, end of period | $ 112 | $ 21

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