(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, 2021	Dec. 31, 2020	Dec. 31, 2019
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	201	$ 214
Service cost	0	0	$ 0
Interest cost	5	7	8
Participants’ contributions	3	3
Actuarial (gain) loss	(12)	4
Benefits paid	(26)	(28)
Less: Federal subsidy	1	1
Divestitures	0	0
Currency Impact	0	0
Benefit obligation, December 31	172	201	214
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, January 1	0	0
Company contributions	23	25
Participants’ contributions	3	3
Benefits paid	(26)	(28)
Fair value of plan assets, December 31	0	0	0
Funded status, December 31	(172)	(201)
Current liability	(17)	(18)
Non-current liability	(155)	(183)
Amounts recognized in the consolidated balance sheet	(172)	(201)
Net actuarial loss (gain)	29	46
Prior service credit	0	0
Amounts recognized in accumulated other comprehensive income (pre-tax)	29	46
Non-U.S. Plans | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, January 1	20	31
Service cost	0	0	1
Interest cost	1	2	1
Participants’ contributions	0	0
Actuarial (gain) loss	0	1
Benefits paid	0	(1)
Less: Federal subsidy	0	0
Divestitures	(15)	(7)
Currency Impact	(1)	(6)
Benefit obligation, December 31	5	20	31
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, January 1	0	0
Company contributions	0	1
Participants’ contributions	0	0
Benefits paid	0	(1)
Fair value of plan assets, December 31	0	0	$ 0
Funded status, December 31	(5)	(20)
Current liability	0	0
Non-current liability	(5)	(20)
Amounts recognized in the consolidated balance sheet	(5)	(20)
Net actuarial loss (gain)	0	12
Prior service credit	0	(12)
Amounts recognized in accumulated other comprehensive income (pre-tax)	$ 0	$ 0