Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Income Taxes [Line Items]
Unrecognized tax benefits that would impact effective tax rate	$ 155	$ 150
Unrecognized tax benefits, income tax penalties and interest accrued	58	64
Unrecognized tax benefits, reductions resulting from tax audit resolutions	10
Domestic production deduction	25	24
Reduction in unrecognized tax benefits	19	16
Reduction in state valuation allowance	9
Negative impact on effective income tax rate	0.00%	0.90%	(36.10%)
Increase in foreign valuation allowance which increased tax expense			21
General business credits which decreased tax expense			12
Tax planning in foreign jurisdictions which decreased tax expense			9
Deferred tax liabilities, undistributed foreign earnings	339	260
Expiring [Member] | Foreign Country [Member]
Income Taxes [Line Items]
Operating loss carryforwards	63
Minimum [Member] | Foreign Country [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates	2012
Minimum [Member] | State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates	2012
Minimum [Member] | Tax Credit [Member]
Income Taxes [Line Items]
Tax credit carryforward, expiration dates	2012
Maximum [Member] | Foreign Country [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates	2020
Maximum [Member] | State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates	2029
Maximum [Member] | Tax Credit [Member]
Income Taxes [Line Items]
Tax credit carryforward, expiration dates	2025
Foreign Country [Member]
Income Taxes [Line Items]
Operating loss carryforwards	160
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Operating loss carryforwards	635
Tax Credit [Member]
Income Taxes [Line Items]
Tax credit carryforward	$ 19