Fair Value Measurements Fair Value Hierarchy (Details) - Fair Value, Recurring $ in Millions	Jun. 28, 2026 USD ($)
Assets
Cash equivalents	$ 1,828
Marketable securities	3,771
Derivative instruments	54
Other investments (2)	1,293	[1]
Total assets measured at fair value	6,946
Liabilities
Derivative instruments	251
Other liabilities (2)	1,289	[1]
Total liabilities measured at fair value	1,540
Level 1
Assets
Cash equivalents	1,529
Marketable securities	958
Derivative instruments	0
Other investments (2)	1,293	[1]
Total assets measured at fair value	3,780
Liabilities
Derivative instruments	0
Other liabilities (2)	1,289	[1]
Total liabilities measured at fair value	1,289
Level 2
Assets
Cash equivalents	299
Marketable securities	2,813
Derivative instruments	54
Other investments (2)	0	[1]
Total assets measured at fair value	3,166
Liabilities
Derivative instruments	251
Other liabilities (2)	0	[1]
Total liabilities measured at fair value	251
Corporate bonds and notes
Assets
Marketable securities	2,249
Corporate bonds and notes | Level 1
Assets
Marketable securities	0
Corporate bonds and notes | Level 2
Assets
Marketable securities	2,249
Mortgage- and asset-backed securities
Assets
Marketable securities	557
Mortgage- and asset-backed securities | Level 1
Assets
Marketable securities	0
Mortgage- and asset-backed securities | Level 2
Assets
Marketable securities	557
U.S. Treasury securities and government-related securities
Assets
Marketable securities	39
U.S. Treasury securities and government-related securities | Level 1
Assets
Marketable securities	32
U.S. Treasury securities and government-related securities | Level 2
Assets
Marketable securities	7
Equity securities (1)
Assets
Marketable securities	926	[2]
Equity securities (1) | Level 1
Assets
Marketable securities	926	[2]
Equity securities (1) | Level 2
Assets
Marketable securities	$ 0	[2]

[1] Other investments and other liabilities included in Level 1 are comprised of our deferred compensation plan assets and liabilities.

[2] Primarily consists of equity securities in certain QSI investees that have completed initial public offerings, which remain subject to short-term lock-up restrictions on the ability to sell.