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Fair Value Measurements - Components of Change in Fair Value of Contingent Consideration (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Fair Value Measurements [Abstract]
Balance, beginning of period	$ 106	$ 46	$ 30	$ 6
Increase in contingent consideration due to business acquisitions and acquisitions of noncontrolling interests in subsidiaries	1	0	95	2
Decrease in contingent consideration due to payments	0	0	(19)	0
Change in fair value of contingent consideration in connection with business acquisitions	7	0	5	38
Change in fair value of contingent consideration in connection with changes in ownership in consolidated subsidiaries	(18)	0	(15)	0
Balance, end of period	$ 96	$ 46	$ 96	$ 46

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
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-Publisher FASB
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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147479668/805-30-25-6

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