(Accounts And Notes Receivable) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts and notes receivable	$ 2,966	$ 3,059
Trade Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts and notes receivable	2,703	2,841
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts and notes receivable	$ 263	$ 218