RETIREMENT BENEFITS (Tables)

12 Months Ended

Dec. 31, 2022

Retirement Benefits [Abstract]

Schedule Of Defined Benefit Obligations And Assets

Changes in defined benefit pension plan obligations, assets, funded status and amounts recognized in the consolidated balance sheets were as follows:

	Year Ended December 31,
Dollars in Millions	2022		2021
Benefit obligations at beginning of year	$	2,935	$	3,242
Service cost—benefits earned during the year	36		51
Interest cost	42		35
Settlements and curtailments	(58)		(101)
Actuarial (gains)/losses	(760)		(153)
Benefits paid	(68)		(46)
Foreign currency and other	(151)		(93)
Benefit obligations at end of year	$	1,976	$	2,935
Fair value of plan assets at beginning of year	$	2,815	$	2,807
Actual return on plan assets	(570)		125
Employer contributions	76		87
Settlements	(53)		(83)
Benefits paid	(68)		(46)
Foreign currency and other	(173)		(75)
Fair value of plan assets at end of year	$	2,027	$	2,815
Funded status	$	51	$	(120)
Assets/(Liabilities) recognized:
Other non-current assets	$	285	$	317
Other current liabilities	(21)		(24)
Other non-current liabilities	(213)		(413)
Funded status	$	51	$	(120)
Recognized in Accumulated other comprehensive loss:
Net actuarial losses	$	869	$	1,015
Prior service credit	(25)		(29)
Total	$	844	$	986

Schedule Of Accumulated And Projected Benefit Obligation In Excess Of Fair Value Of Plan Assets

Additional information related to pension plans was as follows:

	December 31,
Dollars in Millions	2022		2021
Pension plans with projected benefit obligations in excess of plan assets:
Projected benefit obligation	$	728	$	1,274
Fair value of plan assets	495		836
Pension plans with accumulated benefit obligations in excess of plan assets:
Accumulated benefit obligation	728		1,245
Fair value of plan assets	495		832

Schedule Of Defined Benefit Actuarial Assumptions Benefit Obligations

Weighted-average assumptions used to determine defined benefit pension plan obligations were as follows:

	December 31,
	2022		2021
Discount rate	4.0	%	1.6	%
Rate of compensation increase	1.2	%	1.0	%
Interest crediting rate	2.5	%	2.1	%

Schedule Of Defined Benefit Actuarial Assumptions Net Periodic Benefit Cost

Weighted-average actuarial assumptions used to determine defined benefit pension plan net periodic benefit cost were as follows:

	Year Ended December 31,
	2022		2021		2020
Discount rate	1.6	%	1.2	%	1.6	%
Expected long-term return on plan assets	3.6	%	3.6	%	4.1	%
Rate of compensation increase	1.0	%	1.3	%	1.3	%
Interest crediting rate	2.1	%	2.2	%	2.2	%

Fair Value of Pension Plan Assets by Asset Category

The fair value of pension plan assets by asset category at December 31, 2022 and 2021 was as follows:

	December 31, 2022								December 31, 2021
Dollars in Millions	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Plan Assets
Equity securities	$	1	$	—	$	—	$	1	$	44	$	—	$	—	$	44
Equity funds	—		368		—		368		—		625		—		625
Fixed income funds	—		697		—		697		—		815		—		815
Corporate debt securities	—		376		—		376		—		485		—		485
U.S. Treasury and agency securities	—		75		—		75		—		67		—		67
Insurance contracts	—		—		123		123		—		—		130		130
Cash and cash equivalents	43		—		—		43		47		—		—		47
Other	—		15		35		50		—		224		42		266
Plan assets subject to leveling	$	44	$	1,531	$	158	$	1,733	$	91	$	2,216	$	172	$	2,479
Plan assets measured at NAV as a practical expedient							294								336
Net plan assets							$	2,027							$	2,815