Repurchases of Common Shares in Open Market (Detail) - Open Market Repurchases - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended	12 Months Ended
Dec. 26, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 26, 2015
Stock Repurchase Program [Line Items]
Number of Shares	25,984	121,802	31,231	56,400	45,704	255,137
Average Repurchase Price Per Share	$ 115.45	$ 115.15	$ 128.08	$ 124.11	$ 109.40
Amount	$ 3,000	$ 14,026	$ 4,000	$ 7,000	$ 5,000	$ 30,026

Stock Repurchase Program [Line Items]

No definition available.

Name:	aapl_StockRepurchaseProgramLineItems
Namespace Prefix:	aapl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average price of the shares that have been repurchased and retired during the period.

+ References

No definition available.

+ Details

Name:	aapl_StockRepurchasedAndRetiredDuringPeriodWeightedAveragePrice
Namespace Prefix:	aapl_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30
-Article 5

+ Details

Name:	us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

+ Details

Name:	us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ShareRepurchaseProgramAxis=aapl_OpenMarketRepurchasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: