Pensions and Other Benefit Plans - Information Related to the Benefit Obligation and the Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Dec. 30, 2018	Dec. 31, 2017
Qualified Plans \| U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	$ 17,725	$ 18,681
Projected Benefit Obligation	18,609	19,652
Accumulated Benefit Obligation	16,851	17,654
Projected Benefit Obligation	(884)	(971)
Accumulated Benefit Obligation	874	1,027
Non-Qualified Plans \| U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	0	0
Projected Benefit Obligation	2,176	2,257
Accumulated Benefit Obligation	1,793	1,849
Projected Benefit Obligation	(2,176)	(2,257)
Accumulated Benefit Obligation	(1,793)	(1,849)
Funded Plans \| International Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	9,093	9,723
Projected Benefit Obligation	10,467	10,863
Accumulated Benefit Obligation	9,510	9,893
Projected Benefit Obligation	(1,374)	(1,140)
Accumulated Benefit Obligation	(417)	(170)
Unfunded Plans \| International Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	0	0
Projected Benefit Obligation	418	449
Accumulated Benefit Obligation	379	397
Projected Benefit Obligation	(418)	(449)
Accumulated Benefit Obligation	$ (379)	$ (397)

Defined benefit plan over (under) funded status ABO

No definition available.

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- Definition

Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

+ References

+ Details

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- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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- Definition

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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No definition available.

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- Definition

Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.

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- Definition

Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1703-114919

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