Financial Information By Business Segment And Geographic Area (Information By Geographic Area, Net Sales Footnotes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Segment Information, Previously Divested Businesses			$ 44
Segment Information, Previously Divested Businesses, Operating Profit			9
Segment Information, Previously Divested Business, External Sales by Segment			44
United States
Segment Reporting Information [Line Items]
Segment reporting information, unaffiliated revenue	$ 2,700	$ 3,200	$ 2,600