Debt (Schedule of Short-term Debt) (Details) - USD ($) $ in Millions		Dec. 31, 2025	Dec. 31, 2024
Short-Term Borrowings and Current Installments of Long-Term Debt - Third Party and Affiliates
Current installments of long-term debt		$ 1,114	$ 1,393
Short-term borrowings, including amounts due to affiliates(1)	[1]	47	53
Total		1,204	1,501
Revolving Credit Facility
Short-Term Borrowings and Current Installments of Long-Term Debt - Third Party and Affiliates
Revolving credit facilities(2)	[2]	$ 43	$ 55
Weighted average interest rate, short-term borrowings		3.10%	3.10%
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		2.20%	2.10%
Revolving Credit Facility | Revolving Credit Facility
Short-Term Borrowings and Current Installments of Long-Term Debt - Third Party and Affiliates
Revolving credit facilities(2)		$ 0

[1] The weighted average interest rate was 2.2% and 2.1% as of December 31, 2025 and 2024, respectively.

[2] The weighted average interest rate was 3.1% and 3.1% as of December 31, 2025 and 2024, respectively.