Pensions and Other Benefit Plans (Details 5) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011
Retirement Plans [Member]
Change in Benefit Obligation
Projected benefit obligation - beginning of year	$ 17,424	$ 14,993
Service cost	722	638	550
Interest cost	878	853	791
Plan participant contributions	35	54
Amendments	12	(24)
Actuarial losses	2,662	1,698
Divestitures & acquisitions	629	14
Curtailments & settlements & restructuring	(6)	(6)
Benefits paid from plan	(697)	(659)
Effect of exchange rates	170	(137)
Projected benefit obligation - end of year	21,829	17,424	14,993
Other Benefit Plans [Member]
Change in Benefit Obligation
Projected benefit obligation - beginning of year	3,790	3,572
Service cost	175	149	134
Interest cost	165	188	202
Plan participant contributions	0	0
Amendments	0	0
Actuarial losses	459	213
Divestitures & acquisitions	0	0
Curtailments & settlements & restructuring	0	0
Benefits paid from plan	(432)	(320)
Effect of exchange rates	2	(12)
Projected benefit obligation - end of year	$ 4,159	$ 3,790	$ 3,572

The amount of increase or decrease related to curtailments, settlements and restructuring.

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- Definition

The amount of increase or decrease in the benefit obligation due to acquisitions and divestitures.

+ References

No definition available.

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- Definition

Amount of gain (loss) from a decision to temporarily deviate from the substantive plan, or from a change in benefit obligation or plan asset value from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover or salary scale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Gain or Loss

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- Definition

1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Accumulated Postretirement Benefit Obligation

-URI http://asc.fasb.org/extlink&oid=6503904

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 6

-Subparagraph a

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-Paragraph 5

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Projected Benefit Obligation

-URI http://asc.fasb.org/extlink&oid=6522206

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The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.

+ References

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-Topic 715

-SubTopic 20

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-Paragraph 5

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-Name FASB Staff Position (FSP)

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Postretirement Benefits

-URI http://asc.fasb.org/extlink&oid=6521376

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- Definition

The amount of contributions made by plan participants. This item represents a periodic increase to the plan obligation and an increase to plan assets.

+ References

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- Definition

Amount of gain (loss) from foreign currency exchange rate changes for benefit obligation for plans of a foreign operation whose functional currency is not the reporting currency.

+ References

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- Definition

The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

+ References

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- Definition

The amount of increase or decrease due to a change in the terms of an existing plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Plan Amendment

-URI http://asc.fasb.org/extlink&oid=6520782

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- Definition

The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Service Cost (Component of Net Periodic Pension Cost)

-URI http://asc.fasb.org/extlink&oid=6525008

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-Number 87

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