Equity Company Information (Narrative) (Details) - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Share of equity company revenues from sales to consolidated companies	9.00%	11.00%	10.00%
Upstream
Schedule of Equity Method Investments [Line Items]
Impairment related to equity method investments	$ 0.6	$ 0.6	$ 0.2