Derivatives - Offsetting Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Offsetting
Gross Amount of Derivative Assets Presented in the Consolidated Balance Sheet	$ 84	$ 217
Gross Amount of Eligible Offsetting Recognized Derivative Liabilities	30	40
Net Amount of Derivative Assets	$ 54	$ 177

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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