Debt and Credit Agreements - Narrative (Details) $ in Millions			6 Months Ended
	Mar. 16, 2026 USD ($) series	Mar. 06, 2026 USD ($)	Jun. 27, 2026 USD ($)	Jun. 28, 2025 USD ($)
Debt Instrument [Line Items]
Debt instrument, number of series of debt issued | series	9
Proceeds from issuance of long-term debt			$ 15,843	$ 0
Long-term debt			15,900
Senior notes			$ 16,006
Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 16,000
Proceeds from issuance of long-term debt	9,100
Senior Notes Due 2046, 2056, and 2066 | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 6,000
364-Day Credit Agreement | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Short-term debt, borrowing capacity		$ 1,000
Debt term (in days)		364 days
Five-Year Credit Agreement | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Debt term (in days)		5 years
Line of credit facility, maximum borrowing capacity		$ 3,000
Revolving Credit Facilities | Base Rate | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.00%
Revolving Credit Facilities | SOFR Floor | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.00%
Revolving Credit Facilities | Minimum | Secured Overnight Financing Rate (SOFR) | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.75%
Revolving Credit Facilities | Maximum | Secured Overnight Financing Rate (SOFR) | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.25%