Defined Severance Benefits - Schedule of Expected Maturity Analysis of Undiscounted Defined Severance Benefits (Details) $ in Millions	Dec. 31, 2023 USD ($)
Retirement Benefits [Abstract]
Defined severance benefits, less than 1 year	$ 87
Defined severance benefits, between 1-2 years	90
Defined severance benefits, between 2-5 years	275
Defined severance benefits, over 5 years	437
Defined severance benefits	$ 889

Defined Benefit Plan, Expected Future Benefit Payment

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- Definition

Defined Benefit Plan, Expected Future Benefit Payment, Between Two And Five Years

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- Definition

Defined Benefit Plan, Expected Future Benefit Payment, Due After Five Years

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- Definition

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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

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- Definition

Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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