Income Taxes (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Sep. 24, 2010
Net Operating Loss Carryforward
Valuation allowance	$ 1,826	$ 1,149
Unrecognized tax benefits that would affect the effective tax rate	107	125
Accrued interest and penalties related to the unrecognized tax benefits	38	37
Income tax expense for interest and penalties accrued related to unrecognized tax benefits	3	2	12
Reconciliation of the beginning and ending amount of unrecognized tax benefit
Unrecognized tax benefit, balance at beginning of period	145	137	115
Additions based on tax positions related to the current year	18	9	5
Additions based on tax positions related to prior years	7	31	25
Reductions based on tax positions related to prior years	(38)	(28)	(3)
Reduction related to settlements	(1)	(4)	(1)
Reductions related to lapse of the applicable statute of limitations	(3)	(6)	(1)
Foreign currency translation adjustments	(7)	6	(3)
Unrecognized tax benefit, balance at end of period	121	145	137
Non-U.S. jurisdictions
Net Operating Loss Carryforward
Net operating loss carryforwards	6,874
Net operating loss carryforwards with no expiration	6,462
Net operating loss carryforwards which will expire in future years	412
U.S. jurisdictions
Net Operating Loss Carryforward
Net operating loss carryforwards	727
State jurisdictions
Net Operating Loss Carryforward
Net operating loss carryforwards	$ 470