Related Party Transactions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Operating Costs and Expenses	$ 1,984	$ 1,817	$ 1,548
Accounts payable	1,379	2,327
Revenues	10,907	10,965	10,627
Investee
Related Party Transaction [Line Items]
Operating Costs and Expenses	776	1,346	948
Other Operating Income	5	76	46
Accounts Receivable, after Allowance for Credit Loss, Current	2	17
Accounts payable	33	87
OperatingFeesAndCostsBilledToThirdParty	64	65	$ 70
Director
Related Party Transaction [Line Items]
Revenues	90	180
Cost of Revenue	$ 25	$ 86