Gross Amounts Reclassified from AOCI into Condensed Consolidated Statements of Operations (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 28, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrecognized gains/losses on derivative instruments reclassified from AOCI	$ 88
Total amounts reclassified from AOCI	71
Other income/(expense), net
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains/losses on marketable securities reclassified from AOCI	(17)
Foreign exchange contracts | Revenue
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrecognized gains/losses on derivative instruments reclassified from AOCI	184
Foreign exchange contracts | Cost of Sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrecognized gains/losses on derivative instruments reclassified from AOCI	(110)
Foreign exchange contracts | Other income/(expense), net
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrecognized gains/losses on derivative instruments reclassified from AOCI	10
Interest rate contract | Other income/(expense), net
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrecognized gains/losses on derivative instruments reclassified from AOCI	$ 4