PENSION AND POSTRETIREMENT BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2019

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

The net periodic benefit cost/(credit) of defined benefit pension plans includes:

	Three Months Ended June 30,						Six Months Ended June 30,
Dollars in Millions	2019			2018			2019			2018
Service cost – benefits earned during the year	$	5		$	7		$	12		$	14
Interest cost on projected benefit obligation	37			50			81			96
Expected return on plan assets	(70		)	(109		)	(134		)	(218		)
Amortization of prior service credits	(1		)	(1		)	(2		)	(2		)
Amortization of net actuarial loss	17			19			35			40
Curtailments and settlements	44			38			93			69
Net periodic pension benefit cost/(credit)	$	32		$	4		$	85		$	(1	)