Commitments and Contingencies (Environmental Matters) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Accrued liabilities for remediation	$ 387	$ 401
Accrued liabilities for remediation, statement of financial position [extensible enumeration]	Deferred credits and other liabilities, Other current liabilities	Deferred credits and other liabilities, Other current liabilities
Receivables for recoverable costs	$ 5	$ 6