Condensed Consolidated Financial Statement Details (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Sep. 24, 2011	Dec. 25, 2010	Sep. 25, 2010
Property, Plant and Equipment
Land and buildings	$ 2,090	$ 2,059
Machinery, equipment and internal-use software	7,308	6,926
Office furniture and equipment	200	184
Leasehold improvements	2,742	2,599
Gross property, plant and equipment	12,340	11,768
Accumulated depreciation and amortization	(4,524)	(3,991)
Net property, plant and equipment	7,816	7,777
Accrued Expenses
Accrued taxes	2,520	1,140
Accrued warranty and related costs	1,676	1,240	904	761
Deferred margin on component sales	1,545	2,038
Accrued marketing and selling expenses	591	598
Accrued compensation and employee benefits	563	590
Other current liabilities	4,605	3,641
Total accrued expenses	11,500	9,247
Non-Current Liabilities
Deferred tax liabilities	9,725	8,159
Other non-current liabilities	2,108	1,941
Total other non-current liabilities	$ 11,833	$ 10,100