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Pensions and Other Postretirement Benefits - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	5 Months Ended
	Jun. 30, 2024	May 31, 2024
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain		$ 0
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain	$ 20
Percent reduction in future years of service of plan participants (as a percent)		10.00%

X

- Definition

Defined Benefit Plan, Increase (Decrease) In Future Years Of Service For Plan Participants, Percent

+ References

No definition available.

+ Details

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X

- 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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X

- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees.

+ 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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X

- Details

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Namespace Prefix:
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X

- Details

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