Segment Reporting - Net Sales by Geography (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 27, 2025	Dec. 28, 2024	Dec. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 24,942	$ 25,846	$ 26,640
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	16,784	17,768	18,377
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,802	1,775	1,749
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,270	1,280	1,271
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 5,086	$ 5,023	$ 5,243

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details

Kraft Heinz Co 10-K