CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
Dec. 27, 2014	Dec. 28, 2013
Net income	$ 18,024us-gaap_NetIncomeLoss	$ 13,072us-gaap_NetIncomeLoss
Other comprehensive income/(loss):
Change in foreign currency translation, net of tax	(66)	(67)
Change in unrecognized gains/losses on derivative instruments:
Change in fair value of derivatives, net of tax	1,982	213
Adjustment for net losses/(gains) realized and included in net income, net of tax	(565)	72
Total change in unrecognized gains/losses on derivative instruments, net of tax	1,417	285
Change in unrealized gains/losses on marketable securities:
Change in fair value of marketable securities, net of tax	(456)	(42)
Adjustment for net losses/(gains) realized and included in net income, net of tax	(14)	(11)
Total change in unrealized gains/losses on marketable securities, net of tax	(470)	(53)
Total other comprehensive income/(loss)	881	165
Total comprehensive income	$ 18,905us-gaap_ComprehensiveIncomeNetOfTax	$ 13,237us-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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