Net Income (Loss) Per Share (Components Of Basic And Diluted Income (Loss) Per Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Apr. 02, 2011
Net Income (Loss) Per Share [Abstract]
Numerator for basic income (loss) per share	$ (590)	$ 510
Interest expense and amortization of financing cost		7
Numerator for basic and diluted net income (loss) per share	$ (590)	$ 517
Denominator for basic and diluted income (loss) per share	734	720
Employee stock options and restricted stock units		20
5.75% convertible senior notes		24
Denominator for basic and diluted income (loss) per share	734	764
Basic	$ (0.80)	$ 0.71
Diluted	$ (0.80)	$ 0.68
Convertible senior notes	5.75%

Interest rate stated in the contractual debt agreement.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The after-tax amount of interest recognized in the period associated with any convertible debt.

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Net Income or Loss Available to Common Stockholders plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.

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