Summary Information by Operating Segment (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011
Segment Reporting Information [Line Items]
Net sales	$ 35,023	$ 28,571	$ 120,542	$ 79,979
Operating income	11,573	9,379	44,297	25,080
Americas
Segment Reporting Information [Line Items]
Net sales	12,806	10,126	43,702	28,667
Operating income	5,202	3,596	18,069	10,250
Europe
Segment Reporting Information [Line Items]
Net sales	8,237	7,098	28,300	20,381
Operating income	3,261	3,107	11,816	8,414
Japan
Segment Reporting Information [Line Items]
Net sales	2,009	1,510	8,204	4,326
Operating income	1,073	735	4,597	1,996
Asia-Pacific
Segment Reporting Information [Line Items]
Net sales	7,887	6,332	25,737	16,062
Operating income	3,374	2,782	11,452	6,869
Retail
Segment Reporting Information [Line Items]
Net sales	4,084	3,505	14,599	10,543
Operating income	$ 868	$ 802	$ 3,871	$ 2,590