Redeemable Noncontrolling Interests - Components of the Change in Redeemable Noncontrolling Interests (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Components of the change in the redeemable noncontrolling interests [Abstract]
Balance, beginning of period			$ 806	$ 864
Decrease in redeemable noncontrolling interests due to acquisitions of noncontrolling interests in subsidiaries			(78)	(257)
Increase in redeemable noncontrolling interests due to business acquisitions			86	172
Distributions declared, net of capital contributions			(15)	(30)
Effect of foreign currency translation gain (loss) attributable to redeemable noncontrolling interests	$ (1)	$ 11	28	(4)
Change in fair value of redeemable securities			50	87
Balance, end of period	$ 877	$ 832	$ 877	$ 832

- Definition

Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

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