Pensions and Other Benefit Plans - Information Related to the Benefit Obligation and the Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Dec. 29, 2019	Dec. 30, 2018
Qualified Plans \| U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	$ 21,398	$ 17,725
Projected Benefit Obligation	22,034	18,609
Accumulated Benefit Obligation	19,831	16,851
Projected Benefit Obligation	(636)	(884)
Accumulated Benefit Obligation	1,567	874
Non-Qualified Plans \| U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	0	0
Projected Benefit Obligation	2,544	2,176
Accumulated Benefit Obligation	2,115	1,793
Projected Benefit Obligation	(2,544)	(2,176)
Accumulated Benefit Obligation	(2,115)	(1,793)
Funded Plans \| International Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	10,803	9,093
Projected Benefit Obligation	12,132	10,467
Accumulated Benefit Obligation	11,040	9,510
Projected Benefit Obligation	(1,329)	(1,374)
Accumulated Benefit Obligation	(237)	(417)
Unfunded Plans \| International Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	0	0
Projected Benefit Obligation	478	418
Accumulated Benefit Obligation	430	379
Projected Benefit Obligation	(478)	(418)
Accumulated Benefit Obligation	$ (430)	$ (379)

Defined benefit plan over (under) funded status ABO

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

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

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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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.

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