Contingencies, Commitments and Guarantees - Other commitments (Details) - USD ($) $ in Billions	3 Months Ended	12 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Other Commitments [Line Items]
Other commitments	$ 4.6		$ 4.6
Minimum capital contributed (as a percent)	250.00%	250.00%	250.00%	250.00%
Promissory Notes
Other Commitments [Line Items]
Principal amount percentage	100.00%		100.00%
Net present value of interest payments (as a percent)	100.00%		100.00%

Debt Instrument, Collateral Principal Amount, Percentage

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- Definition

Debt Instrument, Percentage Of Net Present Value Of Schedule Interest Payments

+ References

No definition available.

+ Details

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- Definition

Percentage of capital contributed to capital committed by investment company's investors.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 205
-Section 50
-Paragraph 25
-URI https://asc.fasb.org/extlink&oid=25866437&loc=d3e10491-115837

+ Details

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

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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.

+ Details

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- Details

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