Pension, Other Postretirement Benefits and Savings Plans - Changes in Fair Value of Non-U.S. Pension Plan Insurance Contracts (Details) - Foreign Plan [Member] - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan, Changes in Fair Value of Non-U.S. Pension Plan Insurance Contracts Classified as Level 3
Beginning balance	$ 650
Ending balance	360	$ 650
Pension Plan [Member]
Defined Benefit Plan, Changes in Fair Value of Non-U.S. Pension Plan Insurance Contracts Classified as Level 3
Beginning balance	3,272	3,041
Foreign currency translation	(285)	(62)
Ending balance	2,043	3,272
Pension Plan [Member] \| Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan, Changes in Fair Value of Non-U.S. Pension Plan Insurance Contracts Classified as Level 3
Beginning balance	25
Ending balance	20	25
Pension Plan [Member] \| Fair Value, Inputs, Level 3 [Member] \| Defined Benefit Plan Alternatives Insurance Contracts [Member]
Defined Benefit Plan, Changes in Fair Value of Non-U.S. Pension Plan Insurance Contracts Classified as Level 3
Beginning balance	25	28
Unrealized gains relating to instruments still held at the reporting date	(3)	(1)
Foreign currency translation	(2)	(2)
Ending balance	$ 20	$ 25

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(01)
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-Publisher FASB
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-Publisher FASB
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-Publisher FASB
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

+ Details

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- Details

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- Details

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- Details

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- Details

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