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INVESTMENTS - Debt Securities (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 26, 2025	Dec. 31, 2024
Cost
Trading securities	$ 48	$ 45
Available-for-sale securities	1,807	1,728
Total debt securities	1,855	1,773
Gains
Trading securities	1	1
Available-for-sale securities	23	21
Total debt securities	24	22
Losses
Trading securities	0	(1)
Available-for-sale securities	(74)	(118)
Total debt securities	(74)	(119)
Estimated Fair Value
Trading securities	49	45
Available-for-sale securities	1,756	1,631
Total debt securities	$ 1,805	$ 1,676

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