Derivatives and Risk Management Activities - Offsetting Asset and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Derivative Asset Positions
Effect of Collateral Netting	$ (13)	$ (168)
Commodity derivatives
Derivative Asset Positions
Effect of Collateral Netting	(13)	(168)
Derivative Liability Positions
Gross Position - Asset	158	311
Gross Position - Liability	(158)	(89)
Net Carrying Value Presented on the Balance Sheet	(13)	54
Commodity derivatives | Other current assets
Derivative Asset Positions
Gross Position - Asset	153	300
Gross Position - Liability	(79)	(71)
Effect of Collateral Netting	(13)	(168)
Net Carrying Value Presented on the Balance Sheet	61	61
Commodity derivatives | Other long-term assets, net
Derivative Asset Positions
Gross Position - Asset	3	9
Gross Position - Liability		(5)
Net Carrying Value Presented on the Balance Sheet	3	4
Commodity derivatives | Other current liabilities
Derivative Liability Positions
Gross Position - Asset	1	2
Gross Position - Liability	(64)	(13)
Net Carrying Value Presented on the Balance Sheet	(63)	(11)
Commodity derivatives | Other long-term liabilities and deferred credits
Derivative Liability Positions
Gross Position - Asset	1	0
Gross Position - Liability	(15)	0
Net Carrying Value Presented on the Balance Sheet	$ (14)	$ 0