Financial Instruments - Investments by Classification Type (Details) - USD ($) $ in Millions		Sep. 29, 2024	Dec. 31, 2023
Short-term investments
Equity securities with readily determinable fair values	[1]	$ 1,420	$ 5,124
Available-for-sale debt securities		6,849	4,400
Held-to-maturity debt securities		591	313
Total Short-term investments		8,860	9,837
Long-term investments
Equity securities with readily determinable fair values	[2]	1,368	2,779
Available-for-sale debt securities		6	150
Held-to-maturity debt securities		47	47
Private equity securities at cost	[2]	759	755
Total Long-term investments		2,180	3,731
Equity-method investments		8,582	11,637
Total long-term investments and equity-method investments		10,762	15,368
Held-to-maturity cash equivalents		$ 236	$ 207

[1] Represent money market funds primarily invested in U.S. Treasury and government debt.

[2] Represent investments in the life sciences sector