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Postretirement Benefit Plans - Narrative (Details) - Pension	3 Months Ended	9 Months Ended
	Oct. 01, 2021 USD ($)	Oct. 01, 2021 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Pension plan assets transferred to annuity	$ 81,000,000	$ 250,000,000
Reduction in defined benefit obligations due to transfer of plan assets to annuity	81,000,000	250,000,000
Pre-tax settlement loss on pension plan assets transferred to annuity	7,000,000	4,000,000
Required employer contributions during the remainder of 2021 and thereafter	$ 0	$ 0

X

- Definition

Amount of (increase) decrease in accumulated benefit obligation of defined benefit plan from effects of settlement and curtailment.

+ References

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- Definition

Amount of increase (decrease) in plan assets of defined benefit plan from assets transferred into (from) plan.

+ References

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- Definition

Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year.

+ References

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-Publisher FASB
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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

+ References

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