Revenue - Net Sales Disaggregated by Significant Products and Services (Details) - USD ($) $ in Millions	3 Months Ended
Dec. 28, 2024	Dec. 30, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 124,300	$ 119,575
iPhone
Disaggregation of Revenue [Line Items]
Net sales	69,138	69,702
Mac
Disaggregation of Revenue [Line Items]
Net sales	8,987	7,780
iPad
Disaggregation of Revenue [Line Items]
Net sales	8,088	7,023
Wearables, Home and Accessories
Disaggregation of Revenue [Line Items]
Net sales	11,747	11,953
Services
Disaggregation of Revenue [Line Items]
Net sales	$ 26,340	$ 23,117

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.

Amount, excluding 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