Segment Information (Schedule Of Operations In Geographical Areas) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 29,453	$ 22,284	$ 17,911
Property, plant and equipment, net	3,790	3,262	2,302
Reportable geographical components | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	11,283	8,616	6,660
Property, plant and equipment, net	1,799	1,317	1,077
Reportable geographical components | China
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	3,975	2,688	2,308
Reportable geographical components | Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	1,482	1,238	1,013
Property, plant and equipment, net	223	207	163
Reportable geographical components | All other (each country individually less than 5% of total)
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	12,713	9,742	7,930
Property, plant and equipment, net	995	971	867
Reportable geographical components | Sweden
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	513	553	32
Reportable geographical components | United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 260	$ 214	$ 163
Geographic concentration risk | Reportable geographical components | Total sales
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage	5.00%	5.00%	5.00%
Geographic concentration risk | Reportable geographical components | Total property, plant and equipment
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage	5.00%	5.00%	5.00%