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Pension Retiree Annuity Purchase (Details) retiree in Thousands, $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 15, 2022 USD ($) retiree	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Retirement Benefits [Abstract]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement, Period Increase (Decrease)		$ 3
Pension settlement loss		$ (4)	$ 24	$ 0	$ 24	$ 21
Defined Benefit Plan, number of employees affected | retiree	4
Defined Benefit Plan, Benefit Obligation, Divestiture	$ 375

X

- Definition

Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement, Period Increase (Decrease)

+ References

No definition available.

+ Details

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- Definition

Defined Benefit Plan, number of employees affected

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

Amount of decrease in benefit obligation of defined benefit plan from disposal or classification as held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(9)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 3A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480535/715-20-45-3A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (h)(7)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)(7)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-6

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