Financial Instruments - Cash, Cash Equivalents, and Marketable Securities Fair Value Measurements (Details) - USD ($) $ in Millions	Dec. 27, 2025	Dec. 28, 2024
Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 10,026	$ 4,222
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	3,124	2,155
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	6,700	2,042
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	202	25
Cash and Cash Equivalents | Fair Value, Recurring | US Government Agencies Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	1,448	130
Cash and Cash Equivalents | 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	245	116
Cash and Cash Equivalents | Level 1 | Fair Value, Recurring | US Government Agencies Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	1,148	130
Cash and Cash Equivalents | 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
Cash and Cash Equivalents | Level 2 | Fair Value, Recurring | US Government Agencies Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	300	0
Cash and Cash Equivalents | Level 2 | 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	245	116
Cash and Cash Equivalents | Fair Value, Inputs, Level 3 | Fair Value, Recurring | US Government Agencies Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Cash and Cash Equivalents | Fair Value, Inputs, Level 3 | 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
Short-term Investments | Fair Value, Recurring | Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	3,107	814
Short-term Investments | Fair Value, Recurring | US Government Agencies Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	1,619	414
Short-term Investments | Fair Value, Recurring | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	10	10
Short-term Investments | Fair Value, Recurring | Asset-Backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	22	28
Short-term Investments | 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	256	79
Short-term Investments | Level 1 | Fair Value, Recurring | Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0	0
Short-term Investments | Level 1 | Fair Value, Recurring | US Government Agencies Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	901	332
Short-term Investments | Level 1 | Fair Value, Recurring | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0	0
Short-term Investments | 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
Short-term Investments | 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
Short-term Investments | Level 2 | Fair Value, Recurring | Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	3,107	814
Short-term Investments | Level 2 | Fair Value, Recurring | US Government Agencies Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	718	82
Short-term Investments | Level 2 | Fair Value, Recurring | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	10	10
Short-term Investments | Level 2 | Fair Value, Recurring | Asset-Backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	22	28
Short-term Investments | Level 2 | 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	256	79
Short-term Investments | Fair Value, Inputs, Level 3 | Fair Value, Recurring | Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0	0
Short-term Investments | Fair Value, Inputs, Level 3 | Fair Value, Recurring | US Government Agencies Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0	0
Short-term Investments | Fair Value, Inputs, Level 3 | Fair Value, Recurring | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0	0
Short-term Investments | Fair Value, Inputs, Level 3 | 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
Short-term Investments | Fair Value, Inputs, Level 3 | 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
Other Noncurrent Assets | Fair Value, Recurring | Other Long-Term Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	400	25
Other Noncurrent Assets | Fair Value, Recurring | Deferred Compensation, Excluding Share-Based Payments and Retirement Benefits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	257	197
Other Noncurrent Assets | 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	198	0
Other Noncurrent Assets | Level 1 | Fair Value, Recurring | Deferred Compensation, Excluding Share-Based Payments and Retirement Benefits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	257	197
Other Noncurrent Assets | Level 2 | 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
Other Noncurrent Assets | Level 2 | Fair Value, Recurring | Deferred Compensation, Excluding Share-Based Payments and Retirement Benefits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0	0
Other Noncurrent Assets | 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	202	25
Other Noncurrent Assets | Fair Value, Inputs, Level 3 | Fair Value, Recurring | Deferred Compensation, Excluding Share-Based Payments and Retirement Benefits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0	0
Cash Equivalents | Fair Value, Recurring | Government money Market Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	620	1,496
Cash Equivalents | Fair Value, Recurring | Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	1,869	806
Cash Equivalents | Fair Value, Recurring | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	173	107
Cash Equivalents | Level 1 | Fair Value, Recurring | Government money Market Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	620	1,496
Cash Equivalents | Level 1 | Fair Value, Recurring | Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Cash Equivalents | Level 1 | Fair Value, Recurring | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Cash Equivalents | Level 2 | Fair Value, Recurring | Government money Market Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Cash Equivalents | Level 2 | Fair Value, Recurring | Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	1,869	806
Cash Equivalents | Level 2 | Fair Value, Recurring | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	173	107
Cash Equivalents | Fair Value, Inputs, Level 3 | Fair Value, Recurring | Government money Market Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Cash Equivalents | Fair Value, Inputs, Level 3 | Fair Value, Recurring | Commercial Paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Cash Equivalents | Fair Value, Inputs, Level 3 | Fair Value, Recurring | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Foreign Currency Forward Contracts | Designated as Hedging Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, notional amount	2,300	2,200
Foreign Currency Forward Contracts | Not Designated as Hedging Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, notional amount	$ 1,100	$ 642