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Sale of accounts receivable (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 29, 2024 | Jul. 01, 2023 | Jun. 29, 2024 | Jul. 01, 2023 | Dec. 30, 2023
Transfer of Financial Assets Accounted for as Sales [Line Items] |  |  |  |  |
Transfers of accounts receivable agreements | $ 350 |  | $ 350 |  |
Restricted cash | 16 |  | 16 |  | $ 13
Other income (expense) |  |  |  |  |
Transfer of Financial Assets Accounted for as Sales [Line Items] |  |  |  |  |
Gain (loss) on sale of accounts receivable | 5 | $ 4 | 9 | $ 8 |
Sold And Outstanding |  |  |  |  |
Transfer of Financial Assets Accounted for as Sales [Line Items] |  |  |  |  |
Transfer of financial assets accounted for as sales, amount derecognized | $ 313 |  | $ 313 |  | $ 266

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