Common Stock, Stock Option Plans and Stock Compensation Agreements (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
Dec. 30, 2012 StockBasedCompensationPlans	Jan. 01, 2012	Jan. 02, 2011
Restricted Share Units (Textual)
Number of stock-based compensation plan	4
Number of shares authorized for issuance under long-term incentive plan	200,000,000
Shares available for future grants under long-term incentive plan	201,800,000
Compensation cost charged for Long term incentive plan	$ 662	$ 621	$ 614
Total income tax benefit recognized	220	207	205
Stock options expiration date	10 years
Average fair value of option granted	$ 6.39	$ 7.47	$ 8.03
Total intrinsic value of options exercised	547	167	278
Total compensation cost not yet recognized for option	565	562	613
Weighted average period for total compensation cost not yet recognized	1 year 0 months 8 days	11 months 20 days	1 year 0 months 20 days
Stock options exercisable	138,126,000	141,275,000
Stock options average price	$ 59.94	$ 59.25
Stock options average life	4 years 2 months 12 days	4 years 8 months 12 days
Fair Value of restricted share units settled	$ 483.2	$ 458.9	$ 375.0
Restricted Stock Units (RSUs) [Member]
Restricted Share Units (Textual)
Stock option units vesting period	3 years
Average fair value of RSU's and PSU's granted	$ 58.93	$ 55.90	$ 56.69
Performance Shares [Member]
Restricted Share Units (Textual)
Stock option units vesting period	3 years
Average fair value of RSU's and PSU's granted	$ 55.01
Minimum [Member]
Restricted Share Units (Textual)
Stock option units vesting period	6 months
Maximum [Member]
Restricted Share Units (Textual)
Stock option units vesting period	4 years

Number of stock-based compensation plans.

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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.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph A240

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

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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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Period 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, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The weighted average fair value at grant date for nonvested equity-based awards issued 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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The total fair value of equity-based awards for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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-Paragraph A240

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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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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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.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph A240

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Period an equity-based award is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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