v3.26.1
Financial Instruments - Cash, Cash Equivalents, and Marketable Securities Fair Value Measurements (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 28, 2026
Dec. 27, 2025
Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure $ 11,514 $ 10,026
Fair Value, Recurring | U.S. government and agency securities | U.S. government and agency securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 640 620
Fair Value, Recurring | Time deposits and certificates of deposits    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 1,847 1,448
Investments, Fair Value Disclosure 2,117 1,619
Fair Value, Recurring | Non-U.S. government and agency securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 92 173
Investments, Fair Value Disclosure 11 10
Fair Value, Recurring | Asset-backed Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 21 22
Fair Value, Recurring | Foreign Government Short-term Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 100 245
Investments, Fair Value Disclosure 161 256
Fair Value, Recurring | us-gaap_FairValueMeasurementsRecurring-Def Comp    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 269 257
Fair Value, Recurring | Corporate Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 1,509 1,869
Investments, Fair Value Disclosure 4,446 3,107
Fair Value, Recurring | Other Long-Term Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 295 400
Fair Value, Recurring | Equity Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 6 0
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure 3,207 3,124
Level 1 | Fair Value, Recurring | U.S. government and agency securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 640  
Level 1 | Fair Value, Recurring | U.S. government and agency securities | U.S. government and agency securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure   620
Level 1 | Fair Value, Recurring | Time deposits and certificates of deposits    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 1,049 1,148
Investments, Fair Value Disclosure 1,074 901
Level 1 | Fair Value, Recurring | Non-U.S. government and agency securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 0 0
Investments, Fair Value Disclosure 0 0
Level 1 | Fair Value, Recurring | Asset-backed Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 0 0
Level 1 | Fair Value, Recurring | Foreign Government Short-term Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 0 0
Investments, Fair Value Disclosure 0 0
Level 1 | Fair Value, Recurring | us-gaap_FairValueMeasurementsRecurring-Def Comp    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 269 257
Level 1 | Fair Value, Recurring | Corporate Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 0 0
Investments, Fair Value Disclosure 0 0
Level 1 | Fair Value, Recurring | Other Long-Term Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 169 198
Level 1 | Fair Value, Recurring | Equity Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 6 0
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure 8,181 6,700
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring | U.S. government and agency securities | U.S. government and agency securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring | Time deposits and certificates of deposits    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 798 300
Investments, Fair Value Disclosure 1,043 718
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring | Non-U.S. government and agency securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 92 173
Investments, Fair Value Disclosure 11 10
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring | Asset-backed Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 21 22
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring | Foreign Government Short-term Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 100 245
Investments, Fair Value Disclosure 161 256
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring | us-gaap_FairValueMeasurementsRecurring-Def Comp    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring | Corporate Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 1,509 1,869
Investments, Fair Value Disclosure 4,446 3,107
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring | Other Long-Term Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring | Equity Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure 126 202
Fair Value, Inputs, Level 3 | Fair Value, Recurring | us-gaap_FairValueMeasurementsRecurring-Def Comp    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3 | Fair Value, Recurring | Other Long-Term Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure $ 126 202
Foreign Exchange Contract | Cash Flow Hedging    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative, term of contract 24 months  
Derivative, notional amount $ 2,900 2,300
Foreign Exchange Contract | Contracts not designated as hedging instruments:    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative, term of contract 3 months  
Derivative, notional amount $ 1,200 $ 1,100