Pension Benefits Level 3 Gains and Losses (Details) - Pension - Global Plans [Member] - USD ($) $ in Millions	12 Months Ended
Jan. 02, 2021	Dec. 28, 2019
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair Value, Beginning of Year	$ 5,170	$ 4,677
Currency translation	106	34
Fair Value, End of Year	5,211	5,170
Level 3 [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair Value, Beginning of Year	0
Fair Value, End of Year	280	0
Other Investments [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair Value, Beginning of Year	97
Fair Value, End of Year	87	97
Other Investments [Member] \| Level 3 [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair Value, Beginning of Year	0
Fair Value, End of Year	0	0
Buy-in annuity contract
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair Value, End of Year	280
Buy-in annuity contract \| Level 3 [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair Value, Beginning of Year	0
Purchases	268
Realized gain and unrealized gain (loss)	4
Currency translation	8
Fair Value, End of Year	$ 280	$ 0

Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets sold.

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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.

+ References

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+ Details

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan.

+ References

+ Details

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- Definition

Amount, measured using unobservable input, of increase (decrease) in plan asset of defined benefit plan from purchase, sale and settlement of trade associated with underlying investment.

+ References

+ Details

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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.

+ References

No definition available.

+ Details

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