Fair Value Measurements - Significant Unobservable Inputs - Freestanding Derivatives (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Fair Value Inputs and Valuation Techniques
Adjustment Resulting from Broker Prices Received	$ 0
Significant Unobservable Inputs (Level 3)
Fair Value Inputs and Valuation Techniques
Derivative Assets (Liabilities), at Fair Value, Net	$ 1	$ 1

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480463/815-10-45-5

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