Pensions and Other Benefit Plans - Information Related to the Benefit Obligation and the Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Jan. 03, 2021	Dec. 29, 2019
Qualified Plans \| U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	$ 25,554	$ 21,398
Projected Benefit Obligation	25,466	22,034
Accumulated Benefit Obligation	24,158	19,831
Projected Benefit Obligation	88	(636)
Accumulated Benefit Obligation	1,396	1,567
Non-Qualified Plans \| U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	0	0
Projected Benefit Obligation	2,748	2,544
Accumulated Benefit Obligation	2,495	2,115
Projected Benefit Obligation	(2,748)	(2,544)
Accumulated Benefit Obligation	(2,495)	(2,115)
Funded Plans \| International Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	12,641	10,803
Projected Benefit Obligation	14,541	12,132
Accumulated Benefit Obligation	13,210	11,040
Projected Benefit Obligation	(1,900)	(1,329)
Accumulated Benefit Obligation	(569)	(237)
Unfunded Plans \| International Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	0	0
Projected Benefit Obligation	545	478
Accumulated Benefit Obligation	493	430
Projected Benefit Obligation	(545)	(478)
Accumulated Benefit Obligation	$ (493)	$ (430)

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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