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Employee Benefits (Composition of Fair Value of the Plan Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Levels of fair value hierarchy [Line Items]
Equity instruments	$ 166	$ 280
Debt instruments	242	340
Deposits with insurance companies	24	28
Fair value of plan assets	432	648
With quoted market price [Member]
Levels of fair value hierarchy [Line Items]
Equity instruments	126	230
Debt instruments	232	337
Without quoted market price [Member]
Levels of fair value hierarchy [Line Items]
Equity instruments	40	50
Debt instruments	$ 10	$ 3

X

- Definition

The amount instruments representing debt (rather than equity) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]]

+ References

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- Definition

The amount other types of assets not separately disclosed contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]]

+ References

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-Number 19
-IssueDate 2022-03-24
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- Definition

The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]]

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