CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014
Net income	$ 13,569us-gaap_NetIncomeLoss	$ 10,223us-gaap_NetIncomeLoss	$ 31,593us-gaap_NetIncomeLoss	$ 23,295us-gaap_NetIncomeLoss
Other comprehensive income:
Change in foreign currency translation, net of tax	(180)	(19)	(246)	(86)
Change in unrealized gains/losses on derivative instruments:
Change in fair value of derivatives, net of tax	1,037	(109)	3,019	104
Adjustment for net (gains)/losses realized and included in net income, net of tax	(739)	(13)	(1,304)	59
Total change in unrealized gains/losses on derivative instruments, net of tax	298	(122)	1,715	163
Change in unrealized gains/losses on marketable securities:
Change in fair value of marketable securities, net of tax	593	235	137	193
Adjustment for net (gains)/losses realized and included in net income, net of tax	36	(39)	22	(50)
Total change in unrealized gains/losses on marketable securities, net of tax	629	196	159	143
Total other comprehensive income/(loss)	747	55	1,628	220
Total comprehensive income	$ 14,316us-gaap_ComprehensiveIncomeNetOfTax	$ 10,278us-gaap_ComprehensiveIncomeNetOfTax	$ 33,221us-gaap_ComprehensiveIncomeNetOfTax	$ 23,515us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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