(Schedule Of Net Funded Status) (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)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Plan Assets, Divestiture	(255)
Overfunded Pension Plan Assets	595	$ 0
Underfunded pension benefit obligation - non-current	(377)	(1,032)
U.S. Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, January 1	13,020	11,699
Service cost	100	85	$ 68
Interest cost	333	393	440
Curtailment	0	0
Settlements	0	0
Actuarial (gain) loss	(760)	1,357
Divestitures	(287)	0
Plan amendments	0	42
Benefits paid	(573)	(556)
Effect of foreign currency exchange rate movements	0	0
Benefit obligation, December 31	11,833	13,020	11,699
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, January 1	12,018	10,165
Actual return on plan assets	864	2,377
Company contributions	21	32
Benefits paid	(573)	(556)
Settlements	0	0
Defined Benefit Plan, Plan Assets, Divestiture	(255)	0
Effect of foreign currency exchange rate movements	0	0
Fair value of plan assets, December 31	12,075	12,018	10,165
Funded status, December 31	242	(1,002)
Overfunded Pension Plan Assets	595	0
Underfunded pension benefit obligation - current	(21)	(20)
Underfunded pension benefit obligation - non-current	(332)	(982)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	242	(1,002)
Non-U.S. Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, January 1	264	253
Service cost	5	5	5
Interest cost	4	6	8
Curtailment	0	(1)
Settlements	0	(5)
Actuarial (gain) loss	(11)	10
Divestitures	(187)	(1)
Plan amendments	0	0
Benefits paid	(5)	(7)
Effect of foreign currency exchange rate movements	(5)	4
Benefit obligation, December 31	65	264	253
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, January 1	190	183
Actual return on plan assets	4	11
Company contributions	6	9
Benefits paid	(5)	(7)
Settlements	0	(5)
Defined Benefit Plan, Plan Assets, Divestiture	(175)	0
Effect of foreign currency exchange rate movements	(1)	(1)
Fair value of plan assets, December 31	19	190	$ 183
Funded status, December 31	(46)	(74)
Overfunded Pension Plan Assets	0	5
Underfunded pension benefit obligation - current	(1)	(3)
Underfunded pension benefit obligation - non-current	(45)	(76)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	$ (46)	$ (74)