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Stock Plans and Share-Based Compensation (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Dec. 31, 2010
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Net financing cash flows	$ 37	$ 35	$ 38
Share-Based Compensation Expense	14	30	62
Income Tax Benefit	$ 5	$ 11	$ 24

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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