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Financial Instruments (Tables) | 12 Months Ended
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Sep. 27, 2025
Financial Instruments [Abstract] |
Cash, Cash Equivalents and Marketable Securities by Significant Investment Category | The following tables show the Company’s cash, cash equivalents and marketable securities by significant investment category as of September 27, 2025 and September 28, 2024 (in millions):
| 2025
| Adjusted Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Current Marketable Securities |  | Non-Current Marketable Securities
Cash | $ | 28,267 |  |  | $ | — |  |  | $ | — |  |  | $ | 28,267 |  |  | $ | 28,267 |  |  | $ | — |  |  | $ | — |
Level 1: |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds | 5,272 |  |  | — |  |  | — |  |  | 5,272 |  |  | 5,272 |  |  | — |  |  | — |
Mutual funds | 679 |  |  | 177 |  |  | (2) |  |  | 854 |  |  | — |  |  | 854 |  |  | — |
Subtotal | 5,951 |  |  | 177 |  |  | (2) |  |  | 6,126 |  |  | 5,272 |  |  | 854 |  |  | — |
Level 2 (1): |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities | 16,074 |  |  | 56 |  |  | (282) |  |  | 15,848 |  |  | 1,190 |  |  | 3,712 |  |  | 10,946 |
U.S. agency securities | 5,269 |  |  | — |  |  | (149) |  |  | 5,120 |  |  | 251 |  |  | 2,456 |  |  | 2,413 |
Non-U.S. government securities | 6,586 |  |  | 111 |  |  | (424) |  |  | 6,273 |  |  | — |  |  | 855 |  |  | 5,418 |
Certificates of deposit and time deposits | 917 |  |  | — |  |  | — |  |  | 917 |  |  | 904 |  |  | — |  |  | 13 |
Commercial paper | 100 |  |  | — |  |  | — |  |  | 100 |  |  | 50 |  |  | 50 |  |  | — |
Corporate debt securities | 47,210 |  |  | 266 |  |  | (916) |  |  | 46,560 |  |  | — |  |  | 10,623 |  |  | 35,937 |
Municipal securities | 207 |  |  | — |  |  | (2) |  |  | 205 |  |  | — |  |  | 119 |  |  | 86 |
Mortgage- and asset-backed securities | 24,130 |  |  | 126 |  |  | (1,252) |  |  | 23,004 |  |  | — |  |  | 94 |  |  | 22,910 |
Subtotal | 100,493 |  |  | 559 |  |  | (3,025) |  |  | 98,027 |  |  | 2,395 |  |  | 17,909 |  |  | 77,723 |
Total | $ | 134,711 |  |  | $ | 736 |  |  | $ | (3,027) |  |  | $ | 132,420 |  |  | $ | 35,934 |  |  | $ | 18,763 |  |  | $ | 77,723 |
| 2024
| Adjusted Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Current Marketable Securities |  | Non-Current Marketable Securities
Cash | $ | 27,199 |  |  | $ | — |  |  | $ | — |  |  | $ | 27,199 |  |  | $ | 27,199 |  |  | $ | — |  |  | $ | — |
Level 1: |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds | 778 |  |  | — |  |  | — |  |  | 778 |  |  | 778 |  |  | — |  |  | — |
Mutual funds | 515 |  |  | 105 |  |  | (3) |  |  | 617 |  |  | — |  |  | 617 |  |  | — |
Subtotal | 1,293 |  |  | 105 |  |  | (3) |  |  | 1,395 |  |  | 778 |  |  | 617 |  |  | — |
Level 2 (1): |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities | 16,150 |  |  | 45 |  |  | (516) |  |  | 15,679 |  |  | 212 |  |  | 4,087 |  |  | 11,380 |
U.S. agency securities | 5,431 |  |  | — |  |  | (272) |  |  | 5,159 |  |  | 155 |  |  | 703 |  |  | 4,301 |
Non-U.S. government securities | 17,959 |  |  | 93 |  |  | (484) |  |  | 17,568 |  |  | 1,158 |  |  | 10,810 |  |  | 5,600 |
Certificates of deposit and time deposits | 873 |  |  | — |  |  | — |  |  | 873 |  |  | 387 |  |  | 478 |  |  | 8 |
Commercial paper | 1,066 |  |  | — |  |  | — |  |  | 1,066 |  |  | 28 |  |  | 1,038 |  |  | — |
Corporate debt securities | 65,622 |  |  | 270 |  |  | (1,953) |  |  | 63,939 |  |  | 26 |  |  | 16,027 |  |  | 47,886 |
Municipal securities | 412 |  |  | — |  |  | (7) |  |  | 405 |  |  | — |  |  | 190 |  |  | 215 |
Mortgage- and asset-backed securities | 24,595 |  |  | 175 |  |  | (1,403) |  |  | 23,367 |  |  | — |  |  | 1,278 |  |  | 22,089 |
Subtotal | 132,108 |  |  | 583 |  |  | (4,635) |  |  | 128,056 |  |  | 1,966 |  |  | 34,611 |  |  | 91,479 |
Total (2)(3) | $ | 160,600 |  |  | $ | 688 |  |  | $ | (4,638) |  |  | $ | 156,650 |  |  | $ | 29,943 |  |  | $ | 35,228 |  |  | $ | 91,479 |
(1)The valuation techniques used to measure the fair values of the Company’s Level 2 financial instruments, which generally have counterparties with high credit ratings, are based on quoted market prices or model-driven valuations using significant inputs derived from or corroborated by observable market data. (2)As of September 28, 2024, cash and cash equivalents included $2.6 billion held in escrow and restricted from general use. These restricted cash and cash equivalents were designated to settle the Company’s obligation related to the State Aid Decision (refer to Note 7, “Income Taxes”). (3)As of September 28, 2024, current marketable securities included $13.2 billion held in escrow and restricted from general use. These restricted marketable securities were designated to settle the Company’s obligation related to the State Aid Decision (refer to Note 7, “Income Taxes”).
Notional Amounts of Outstanding Derivative Instruments | The notional amounts of the Company’s outstanding derivative instruments as of September 27, 2025 and September 28, 2024, were as follows (in millions):
| 2025 |  | 2024
Derivative instruments designated as accounting hedges: |  |  |
Foreign exchange contracts | $ | 62,647 |  |  | $ | 64,069 |
Interest rate contracts | $ | 12,875 |  |  | $ | 14,575 |
Derivative instruments not designated as accounting hedges: |  |  |
Foreign exchange contracts | $ | 109,079 |  |  | $ | 91,493 |

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