Financial Instruments - Energy Segments Derivatives (Details) - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Derivative assets, net		$ 24	$ 64
Derivative liabilities		702	979
Collateral for derivative positions		4	13
Energy
Derivative [Line Items]
Asset derivatives, Gross	[1]	(10)	(6)
Derivative assets, net		10	25
Liability derivatives, Gross	[1]	(10)	(6)
Derivative liabilities		9
Commodity Contracts | Energy
Derivative [Line Items]
Asset derivatives, Gross		20	31
Liability derivatives, Gross		$ 19	$ 6

[1] Excludes netting of derivatives primarily related to initial margin requirements of $4 million and $13 million at March 31, 2024 and December 31, 2023, respectively, which was not offset against derivatives liabilities, net in the condensed consolidated balance sheets.