Fair value measurements - Schedule of Effect of Net Investment Hedges (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Dec. 28, 2025 |
Dec. 29, 2024 |
Dec. 28, 2025 |
Dec. 29, 2024 |
|
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Gain/(Loss) Recognized In Accumulated OCI | $ (1,190) | $ 282 | ||
| Cross currency interest rate swaps contracts: | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Gain/(Loss) Recognized In Accumulated OCI | $ 277 | $ 955 | ||
| Other (Income) Expense | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Gain/(Loss) Reclassified from Accumulated OCI Into Income | $ 0 | $ 0 | ||
| Other (Income) Expense | Cross currency interest rate swaps contracts: | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Gain/(Loss) Reclassified from Accumulated OCI Into Income | $ 0 | $ 0 | ||
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, before tax and adjustments, of gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|