Related Party Transactions - Williams (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Operating Costs and Expenses	$ 2,179	$ 1,984	$ 1,817
Accounts payable	1,613	1,379
Revenues	10,503	10,907	10,965
Investee
Related Party Transaction [Line Items]
Operating Costs and Expenses	266	776	1,300
Other Operating Income	2	5	76
Accounts Receivable, after Allowance for Credit Loss, Current	1	2
Accounts payable	19	33
OperatingFeesAndCostsBilledToThirdParty	52	64	65
Director
Related Party Transaction [Line Items]
Revenues	59	90	180
Cost of Revenue	$ 40	$ 25	$ 86