Employee Benefits (Schedule Of Net Benefit Costs, Other Changes in Plan Assets and Benefit Obligation Recognized In Other Comprehensive Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Expected net loss, Next Fiscal Year	$ (1)
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year	(2)
Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Expected net loss, Next Fiscal Year	1
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year	0
United States | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	$ 3	$ 3
Administrative expenses	3	3	3
Interest cost	14	11	17
Expected return on plan assets	(38)	(38)	(35)
Net amortization	0	0	0
Net periodic benefit cost (gain)	(20)	(21)	(12)
Net loss (gain) emerging	13	(49)	22
Prior service credit	0	(2)	0
Amortization of net gain (loss)	0	0	0
Foreign exchange effects	0	0	0
Total recognized in OCI	13	(51)	22
Total net periodic benefit cost and OCI	(7)	(72)	10
United States | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	1	1
Interest cost	1	1	1
Net amortization	1	0	0
Net periodic benefit cost (gain)	2	2	2
Net loss (gain) emerging	(7)	(2)	3
Prior service credit	0	4	0
Amortization of prior service cost	(1)	0	0
Total recognized in OCI	(8)	2	3
Total net periodic benefit cost and OCI	(6)	4	5
Foreign Plan | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	3	2	2
Administrative expenses	0	0	0
Interest cost	7	1	2
Expected return on plan assets	(12)	(1)	(1)
Net amortization	1	3	1
Net periodic benefit cost (gain)	(1)	5	4
Net loss (gain) emerging	(31)	(9)	13
Prior service credit	0	0	0
Amortization of net gain (loss)	(1)	(2)	(1)
Foreign exchange effects	(1)	0	0
Total recognized in OCI	(33)	(11)	12
Total net periodic benefit cost and OCI	(34)	(6)	16
Foreign Plan | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0
Interest cost	0	0	0
Net amortization	0	0	0
Net periodic benefit cost (gain)	0	0	0
Net loss (gain) emerging	(1)	(1)	0
Prior service credit	0	0	0
Amortization of prior service cost	0	0	0
Total recognized in OCI	(1)	(1)	0
Total net periodic benefit cost and OCI	$ (1)	$ (1)	$ 0