Employee Stock And Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 02, 2011	Oct. 03, 2010	Sep. 27, 2009
Common stock available for issuance pursuant to future equity-based compensation awards	32.7
Shares available for issuance under plan	8.5
Total intrinsic value of stock options exercised	$ 323	$ 118	$ 44
Total fair value of options vested	126	108	75
Matching contributions	45.5	23.5	19.7
Non-Employee Directors [Member] | Stock Options [Member]
Award vesting period, minimum (years)	one
Award vesting period, maximum (years)	three
Employee Stock Purchase Plan ("ESPP") [Member]
Maximum permitted contribution to Deferred Stock Plan, percent	10.00%
Discounted stock purchase price, percent of market value	95.00%
Number of shares issued under plan	0.5
Stock Options [Member]
Award expiration period (years)	10
Total unrecognized stock-based compensation expense, net of estimated forfeitures	44
Weighted average recognition period for total unrecognized stock-based compensation expense (in years)	2.4
Restricted Stock Units (RSUs) [Member]
Total unrecognized stock-based compensation expense, net of estimated forfeitures	$ 71
Weighted average recognition period for total unrecognized stock-based compensation expense (in years)	2.2
2009 Option Exchange Program [Member]
Award vesting period (years)	two
Award expiration period (years)	7
Deferred Stock Plan [Member]
Minimum deferral period (years)	5
Shares were deferred under plan	3.4	3.4