Significant Components of the Company's Deferred Tax Assets and Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Sep. 28, 2013	Sep. 29, 2012
Deferred tax assets:
Accrued liabilities and other reserves	$ 1,892	$ 1,346
Deferred revenue	1,475	1,145
Basis of capital assets and investments	1,020	451
Share-based compensation	458	411
Other	1,029	947
Total deferred tax assets	5,874	4,300
Less valuation allowance	0	0
Deferred tax assets, net of valuation allowance	5,874	4,300
Deferred tax liabilities:
Unremitted earnings of foreign subsidiaries	18,044	14,712
Other	112	456
Total deferred tax liabilities	18,156	15,168
Net deferred tax liabilities	$ (12,282)	$ (10,868)