Contingencies, Commitments and Guarantees - Other commitments (Details) $ in Billions	3 Months Ended
Mar. 31, 2024 USD ($)
Other Commitments [Line Items]
Other commitments	$ 4.4
Promissory Notes
Other Commitments [Line Items]
Debt instrument term (in years)	5 years
Principal amount collateral (AS a percent)	100.00%
Net present value of interest payments (as a percent)	100.00%

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.

No definition available.

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant