Employee Benefits (Schedule Of Amounts Recognized In The Consolidated Balance Sheet) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Noncurrent liabilities	$ (291)	$ (391)
Other Postretirement Benefits Plan | United States
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	(8)	(8)
Noncurrent liabilities	(51)	(55)
Net amount recognized	(59)	(63)
Other Postretirement Benefits Plan | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	0	0
Noncurrent liabilities	(3)	(5)
Net amount recognized	(3)	(5)
Pension Plan | United States
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	(2)	(2)
Noncurrent liabilities	(109)	(183)
Net amount recognized	(111)	(185)
Pension Plan | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	(3)	(4)
Noncurrent liabilities	(128)	(148)
Net amount recognized	$ (131)	$ (152)