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Summary of significant accounting policies (Tables) | 12 Months Ended
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Dec. 29, 2024
Accounting Policies [Abstract] |
Estimated Useful Lives of Assets | Property, plant and equipment are stated at cost. The Company utilizes the straight-line method of depreciation over the estimated useful lives of the assets:
Building and building equipment | 30 years
Land and leasehold improvements | 10 - 20 years
Machinery and equipment | 2 - 13 years
Supplier Finance Program | The rollforward of the Company's valid obligations under the program were as follows:
|  | 2024
(Dollars in Millions) |  |
Confirmed obligations - beginning of the year |  | $704
Invoices confirmed during the year |  | 3,048
Confirmed invoices paid during the year |  | 2,964
Confirmed obligations - end of the year |  | $788

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