Stock Transactions And Stock-Based Compensation (Narrative) (Details) (USD $)	0 Months Ended		3 Months Ended	9 Months Ended
	Sep. 28, 2012	May 12, 2010	Sep. 28, 2012	Sep. 28, 2012	Sep. 30, 2011	May 31, 2012	May 09, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized (shares)						2,000,000,000	1,000,000,000
Common stock, par value (dollars per share)	$ 0.01		$ 0.01	$ 0.01		$ 0.01		$ 0.01
Stock repurchase program, authorized amount		$ 20,000,000
Treasury stock purchase, shares, acquired				5,000,000
Purchase of treasury stock				(258,480,000)	0
Stock repurchase program, remaining authorized repurchase amount	15,000,000
Common shares reserved for issuance under the 2007 Stock Incentive Plan (shares)	16,000,000		16,000,000	16,000,000
Aggregate intrinsic value of options exercised				161,000,000	73,000,000
Cash receipts due to exercise of options				146,000,000	76,000,000
Tax benefit realized related to exercise of stock options			10,000,000	54,000,000
Tax benefit related to the vesting of restricted stock units			6,000,000	28,000,000
Total number of shares withheld sufficient to fund minimum tax withholding requirements related to the vesting of restricted stock units (shares)				1,000,000
Total value of shares withheld sufficient to fund minimum tax withholding requirements related to the vesting of restricted stock units				62,000,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost	145,000,000		145,000,000	145,000,000
Weighted average period for cost to be recognized (in years)				2
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost	$ 141,000,000		$ 141,000,000	$ 141,000,000
Weighted average period for cost to be recognized (in years)				2