Stock Options Issued under Stock Option Program Awards (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 30, 2011
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 8
Range of Exercise Prices, Upper Limit	$ 49
Outstanding - Number of Stock Options (in millions)	16.4
Outstanding - Weighted Average Exercise Price (per unit)	$ 17
Outstanding - Weighted Average Remaining Life (in years)	2
Exercisable - Number of Stock Options (in millions)	16.3
Exercisable - Weighted Average Exercise Price (per unit)	$ 17
Exercisable - Weighted Average Remaining Life (in years)	2
Range 2
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 13
Range of Exercise Prices, Upper Limit	$ 17
Outstanding - Number of Stock Options (in millions)	11.7
Outstanding - Weighted Average Exercise Price (per unit)	$ 15
Outstanding - Weighted Average Remaining Life (in years)	2
Exercisable - Number of Stock Options (in millions)	11.7
Exercisable - Weighted Average Exercise Price (per unit)	$ 15
Exercisable - Weighted Average Remaining Life (in years)	2
Range 3
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 18
Range of Exercise Prices, Upper Limit	$ 22
Outstanding - Number of Stock Options (in millions)	3.3
Outstanding - Weighted Average Exercise Price (per unit)	$ 21
Outstanding - Weighted Average Remaining Life (in years)	3
Exercisable - Number of Stock Options (in millions)	3.3
Exercisable - Weighted Average Exercise Price (per unit)	$ 21
Exercisable - Weighted Average Remaining Life (in years)	3
Range 4
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 23
Range of Exercise Prices, Upper Limit	$ 49
Outstanding - Number of Stock Options (in millions)	1.4
Outstanding - Weighted Average Exercise Price (per unit)	$ 31
Outstanding - Weighted Average Remaining Life (in years)	5
Exercisable - Number of Stock Options (in millions)	1.3
Exercisable - Weighted Average Exercise Price (per unit)	$ 31
Exercisable - Weighted Average Remaining Life (in years)	4

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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-Name Statement of Financial Accounting Standard (FAS)

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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The weighted average period between the balance sheet date and expiration for all vested portions of options outstanding and currently exercisable (or convertible) under the plan, which may be expressed in a decimal value for number of years.

+ 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.

+ References

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The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

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The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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