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Financial Instruments - Debt Securities, Available-for-Sale (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Jun. 30, 2026	Jun. 27, 2026	Jun. 28, 2025	Dec. 27, 2025
Derivative [Line Items]
Amortized Cost Basis		$ 366		$ 1,281
Gross Unrealized Gains		0		0
Gross Unrealized Losses		0		0
Estimated Fair Value		366		1,281
Repayments of long-term debt		2,981	$ 676
Repayments of long-term debt		2,981	$ 676
Senior Notes due June 2026 \| Senior Notes \| Subsequent Event
Derivative [Line Items]
Repayments of long-term debt	$ 1,900
Repayments of long-term debt	$ 1,900
Corporate bonds
Derivative [Line Items]
Amortized Cost Basis		153		456
Gross Unrealized Gains		0		0
Gross Unrealized Losses		0		0
Estimated Fair Value		153		456
Commercial paper
Derivative [Line Items]
Amortized Cost Basis		85		752
Gross Unrealized Gains		0		0
Gross Unrealized Losses		0		0
Estimated Fair Value		85		752
US Treasury and Government
Derivative [Line Items]
Amortized Cost Basis		24		72
Gross Unrealized Gains		0		0
Gross Unrealized Losses		0		0
Estimated Fair Value		24		72
Money Market Funds
Derivative [Line Items]
Amortized Cost Basis		104		1
Gross Unrealized Gains		0		0
Gross Unrealized Losses		0		0
Estimated Fair Value		$ 104		$ 1