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Fair Value (Details) - USD ($) $ in Millions | Dec. 27, 2025 | Dec. 28, 2024
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative Asset, Current | $ 1,039 | $ 1,081
Derivative Assets, Fair Value Disclosure | 2 | 1
Assets, Fair Value Disclosure | $ 38,180 | $ 23,261
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Other Assets, Current | Other Assets, Current
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other long-term assets | Other long-term assets
Derivative Liability, Current | $ 1,834 | $ 696
Derivative Liability, Noncurrent | 2,290 | 1,171
Liabilities, Fair Value Disclosure | $ 4,124 | $ 1,867
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration] | Other accrued liabilities | Other accrued liabilities
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other long-term liabilities | Other long-term liabilities
Long-term Debt, Fair Value | $ 41,800 | $ 43,500
Carrying Value [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Grants receivable | 652 | 1,700
Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 484 | 848
Cash Equivalents [Member] | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 150 | 0
Cash Equivalents [Member] | Financial institution instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 9,092 | 4,864
Cash Equivalents [Member] | Repurchase Agreements [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 4,262 | 2,654
Short-Term Investments [Member] | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 7,248 | 5,365
Short-Term Investments [Member] | Financial institution instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 4,174 | 3,551
Short-Term Investments [Member] | Government Debt Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 11,729 | 4,897
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative Asset, Current | 431 | 348
Derivative Assets, Fair Value Disclosure | 0 | 0
Assets, Fair Value Disclosure | 13,686 | 5,545
Derivative Liability, Current | 6 | 0
Derivative Liability, Noncurrent | 0 | 0
Liabilities, Fair Value Disclosure | 6 | 0
Level 1 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 484 | 848
Level 1 | Cash Equivalents [Member] | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 0 | 0
Level 1 | Cash Equivalents [Member] | Financial institution instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 7,292 | 4,121
Level 1 | Cash Equivalents [Member] | Repurchase Agreements [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 0 | 0
Level 1 | Short-Term Investments [Member] | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 0 | 0
Level 1 | Short-Term Investments [Member] | Financial institution instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 183 | 195
Level 1 | Short-Term Investments [Member] | Government Debt Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 5,296 | 33
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative Asset, Current | 608 | 733
Derivative Assets, Fair Value Disclosure | 2 | 1
Assets, Fair Value Disclosure | 24,494 | 17,716
Derivative Liability, Current | 1,524 | 562
Derivative Liability, Noncurrent | 1,714 | 416
Liabilities, Fair Value Disclosure | 3,238 | 978
Level 2 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 0 | 0
Level 2 | Cash Equivalents [Member] | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 150 | 0
Level 2 | Cash Equivalents [Member] | Financial institution instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 1,800 | 743
Level 2 | Cash Equivalents [Member] | Repurchase Agreements [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 4,262 | 2,654
Level 2 | Short-Term Investments [Member] | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 7,248 | 5,365
Level 2 | Short-Term Investments [Member] | Financial institution instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 3,991 | 3,356
Level 2 | Short-Term Investments [Member] | Government Debt Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 6,433 | 4,864
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative Asset, Current | 0 | 0
Derivative Assets, Fair Value Disclosure | 0 | 0
Assets, Fair Value Disclosure | 0 | 0
Derivative Liability, Current | 304 | 134
Derivative Liability, Noncurrent | 576 | 755
Liabilities, Fair Value Disclosure | 880 | 889
Level 3 | Equity securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 0 | 0
Level 3 | Cash Equivalents [Member] | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 0 | 0
Level 3 | Cash Equivalents [Member] | Financial institution instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 0 | 0
Level 3 | Cash Equivalents [Member] | Repurchase Agreements [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 0 | 0
Level 3 | Short-Term Investments [Member] | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 0 | 0
Level 3 | Short-Term Investments [Member] | Financial institution instruments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | 0 | 0
Level 3 | Short-Term Investments [Member] | Government Debt Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Investments, Fair Value Disclosure | $ 0 | $ 0

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