Risks and Uncertainties (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Dec. 31, 2021	Sep. 30, 2022
Unusual Risk or Uncertainty [Line Items]
Other than Temporary Impairment Losses, Investments, Held-to-Maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Default Rate		10.00%
Alto Maipo [Member]
Unusual Risk or Uncertainty [Line Items]
Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount	$ 1,200

Amount of gain (loss) from remeasurement to fair value of retained investment in former subsidiary and group of assets constituting business or nonprofit activity deconsolidated and derecognized, excluding conveyance of oil and gas mineral rights and transfer of product or service in contract with customer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684

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- Definition

This item represents the default rate of the underlying assets in the security that was considered as one of the potential factors in reaching a conclusion that the held-to-maturity investments are other than temporarily impaired and only the amount of impairment related to credit loss was recognized in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 8A
-Subparagraph a.1.
-URI https://asc.fasb.org/extlink&oid=126970911&loc=SL6284381-111563

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- 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.

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