Employee Stock And Benefit Plans (Summary Of Stock Options Outstanding) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 02, 2011
Options Outstanding, Number of Options	45.3
Options Outstanding, Weighted Average Remaining Contractual Life, years	6.4
Options Outstanding, Weighted Average Exercise Price	$ 18.57
Options Exercisable, Number of Options	23.2
Options Exercisable, Weighted Average Exercise Price	$ 18.81
Under $10.00 [Member]
Range of Prices, Upper Range Limit	$ 10.00
Options Outstanding, Number of Options	13.9
Options Outstanding, Weighted Average Remaining Contractual Life, years	7.0
Options Outstanding, Weighted Average Exercise Price	$ 8.65
Options Exercisable, Number of Options	5.0
Options Exercisable, Weighted Average Exercise Price	$ 8.65
$10.01 - $20.00 [Member]
Range of Prices, Lower Range Limit	$ 10.01
Range of Prices, Upper Range Limit	$ 20.00
Options Outstanding, Number of Options	8.7
Options Outstanding, Weighted Average Remaining Contractual Life, years	3.6
Options Outstanding, Weighted Average Exercise Price	$ 14.14
Options Exercisable, Number of Options	8.5
Options Exercisable, Weighted Average Exercise Price	$ 14.65
$20.01 - $30.00 [Member]
Range of Prices, Lower Range Limit	$ 20.01
Range of Prices, Upper Range Limit	$ 30.00
Options Outstanding, Number of Options	15.0
Options Outstanding, Weighted Average Remaining Contractual Life, years	7.0
Options Outstanding, Weighted Average Exercise Price	$ 23.09
Options Exercisable, Number of Options	6.1
Options Exercisable, Weighted Average Exercise Price	$ 24.10
Over $30.00 [Member]
Range of Prices, Lower Range Limit	$ 30.00
Options Outstanding, Number of Options	7.7
Options Outstanding, Weighted Average Remaining Contractual Life, years	7.0
Options Outstanding, Weighted Average Exercise Price	$ 32.50
Options Exercisable, Number of Options	3.6
Options Exercisable, Weighted Average Exercise Price	$ 33.62