v3.26.3
Income Taxes - Aggregate Changes in Gross Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 26, 2026
Sep. 27, 2025
Sep. 28, 2024
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Beginning balances $ 23,242 $ 22,038 $ 19,454
Increases related to tax positions taken during a prior year 1,267 1,971 1,727
Decreases related to tax positions taken during a prior year (2,827) (71) (386)
Increases related to tax positions taken during the current year 4,068 3,795 2,542
Decreases related to settlements with taxing authorities (264) (2,939) (1,070)
Decreases related to expiration of the statute of limitations (2,999) (1,552) (229)
Ending balances $ 22,487 $ 23,242 $ 22,038