(Changes In Postretirement Benefit Obligation, Plan Assets, Funded Status And Amounts Recognized In Balance Sheet And Accumulated Other Comprehensive (Loss) Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Divestitures	$ (287)
U.S. Plans | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, January 1	172	$ 201
Service cost	0	0	$ 0
Interest cost	5	5	7
Participants’ contributions	3	3
Actuarial (gain) loss	(33)	(12)
Benefits paid	(23)	(26)
Less: Federal subsidy	1	1
Divestitures	0	0
Currency Impact	0	0
Benefit obligation, December 31	125	172	201
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, January 1	0	0
Company contributions	20	23
Participants’ contributions	3	3
Benefits paid	(23)	(26)
Fair value of plan assets, December 31	0	0	0
Funded status, December 31	(125)	(172)
Current liability	(15)	(17)
Non-current liability	(110)	(155)
Amounts recognized in the consolidated balance sheet	(125)	(172)
Net actuarial loss (gain)	(6)	29
Prior service credit	0	0
Amounts recognized in accumulated other comprehensive income (pre-tax)	(6)	29
Non-U.S. Plans | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, January 1	5	20
Service cost	0	0	0
Interest cost	0	1	2
Participants’ contributions	0	0
Actuarial (gain) loss	0	0
Benefits paid	0	0
Less: Federal subsidy	0	0
Divestitures	0	(15)
Currency Impact	(1)	(1)
Benefit obligation, December 31	4	5	20
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, January 1	0	0
Company contributions	0	0
Participants’ contributions	0	0
Benefits paid	0	0
Fair value of plan assets, December 31	0	0	$ 0
Funded status, December 31	(4)	(5)
Current liability	0	0
Non-current liability	(4)	(5)
Amounts recognized in the consolidated balance sheet	(4)	(5)
Net actuarial loss (gain)	(1)	0
Prior service credit	0	0
Amounts recognized in accumulated other comprehensive income (pre-tax)	$ (1)	$ 0