EMPLOYEE BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Schedule of Employer Contributions to Plans

Contributions to the plans were as follows:

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
(dollars in millions)	2020		2019		2020		2019
Defined benefit plans	$	2	$	5	$	27	$	27
Defined contribution plans	$	25	$	24	$	55	$	49
Multi-employer pension plans	$	5	$	5	$	10	$	10

Schedule of Defined Benefit Plans Disclosures

The following table illustrates the components of net periodic pension benefits for our defined benefit pension and post-retirement benefit plans:

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
(dollars in millions)	2020		2019		2020		2019
Service cost	$	7	$	8	$	15	$	16
Interest cost	13		16		26		33
Expected return on plan assets	(34)		(39)		(69)		(78)
Amortization of prior service credit	—		—		1		1
Recognized actuarial net loss	5		3		10		5
Net settlement, curtailment and special termination benefit loss	—		1		1		1
Net periodic pension benefit	$	(9)	$	(11)	$	(16)	$	(22)

Schedule of Multiemployer Plans

The pension and post-retirement expenses were as follows:

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
(dollars in millions)	2020		2019		2020		2019
Service cost	$	—	$	5	$	—	$	9
Non-service pension benefit	—		(19)		(2)		(39)
Total net periodic benefit	$	—	$	(14)	$	(2)	$	(30)