Stockholders' (Deficit) Equity (Narrative) (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
	Mar. 31, 2012	Jun. 27, 2010
Treasury Stock Repurchase Programs [Line Items]
Common stock authorized to repurchase		$ 1,100,000,000
Remaining common stock available for repurchase	762,900,000
Common stock, held in treasury	159.4
Common stock repurchased	4,700,000,000
Restricted Stock Units [Member]
Treasury Stock Repurchase Programs [Line Items]
Common stock repurchase, share	0.2
Average stock price	$ 37.58
Aggregate cost of share	6,700,000
2008 Share Buyback Program [Member]
Treasury Stock Repurchase Programs [Line Items]
Remaining common stock available for repurchase		393,600,000
2010 Share Buyback Program [Member]
Treasury Stock Repurchase Programs [Line Items]
Common stock authorized to repurchase		1,500,000,000
Common stock repurchase, share	1.8
Average stock price	$ 37.34
Aggregate cost of share	$ 68,400,000