Debt (Schedule of Short-term Debt) (Details) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Short-Term Borrowings and Current Installments of Long-Term Debt - Third Party and Affiliates
Current installments of long-term debt		$ 1,025	$ 506
Short-term borrowings, including amounts due to affiliates	[1]	146	500
Total		1,383	1,306
Revolving Credit Facility
Short-Term Borrowings and Current Installments of Long-Term Debt - Third Party and Affiliates
Line of Credit, Current	[2]	$ 212	$ 300
Weighted average interest rate, short-term borrowings		3.40%	5.80%
Short-term Debt [Member]
Short-Term Borrowings and Current Installments of Long-Term Debt - Third Party and Affiliates
Weighted average interest rate, short-term borrowings		2.90%	5.80%

[1] The weighted average interest rate was 2.9% and 5.8% as of December 31, 2023 and 2022, respectively.

[2] The weighted average interest rate was 3.4% and 5.8% as of December 31, 2023 and 2022, respectively.