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Investments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023	Dec. 31, 2023
Investments
Total trading short-term investments	$ 1,096		$ 1,096		$ 973
Unrealized gain (loss) on trading securities	27	$ (1)	44	$ 28
Long term investments	135		135		207
Denominated in foreign currencies
Investments
Total trading short-term investments	31		31		18
Business Development Company
Investments
Long term investments					68
Domestic equity securities
Investments
Fair Value	218		218		143
Foreign equity securities
Investments
Fair Value	108		108		96
Domestic debt securities
Investments
Fair Value	620		620		593
Foreign debt securities
Investments
Fair Value	127		127		120
Money market funds held in trading accounts
Investments
Fair Value	18		18		17
Other trading securities
Investments
Fair Value	$ 5		$ 5		$ 4

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Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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