Payout percentage during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Increase (decrease) in payout percentage made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Share Based Compensation Arrangement by Share Base Payment Award Number of Equivalent Shares of Common Stock Per Unit (e.g. performance units, restricted stock units, etc.).

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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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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Number of share options (or share units) exercised during the current period.

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Share-Based Compensation (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended		1 Months Ended				3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 24, 2010	Sep. 30, 2011	Sep. 24, 2010	May 31, 2011 Performance Units	May 31, 2011 Performance Units Minimum	May 31, 2011 Performance Units Maximum	May 31, 2011 Restricted Stock Units (RSUs)	Sep. 30, 2011 Stock Options	Sep. 24, 2010 Stock Options	Sep. 30, 2011 Stock Options	Sep. 24, 2010 Stock Options	Dec. 25, 2009 Stock Options
Share-based Compensation
Share-based Compensation Arrangement Awards Granted					1,100,000			360,000
Share-based Compensation Arrangement Vesting Period					3 years			3 years
Share Based Compensation Arrangement Number of Equivalent Shares of Common Stock Per Unit					1
Share Based Compensation Arrangement Payout Percentage						0.00%	200.00%
Share Based Compensation Arrangement Payout Percentage Increase (Decrease)					(30.00%)
Share-Based Compensation Expense	$ 7	$ 13	$ 30	$ 46
Income Tax Benefit	3	5	11	17
Number of Stock Options Exercised									589,000	280,000	4,543,000	1,193,000
Number of Stock Options Expired or Cancelled									6,000	0	27,000	0
Future expense related to vested options													$ 0
Number of Stock Options Outstanding									5,000,000		5,000,000