PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2020

Pension And Other Postretirement Benefit Expense [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost are:

	PENSION
	QUARTER ENDED
DOLLAR AMOUNTS IN MILLIONS	MARCH 2020			MARCH 2019
Service cost	$	10		$	8
Interest cost		35			43
Expected return on plan assets		(59	)		(62	)
Amortization of actuarial loss		30			30
Amortization of prior service cost		1			1
Settlement charge		—			455
Total net periodic benefit cost - pension	$	17		$	475

	OTHER POSTRETIREMENT BENEFITS
	QUARTER ENDED
DOLLAR AMOUNTS IN MILLIONS	MARCH 2020		MARCH 2019
Interest cost	$	1	$	2
Amortization of actuarial loss		1		2
Amortization of prior service credit		—		(1	)
Total net periodic benefit cost - other postretirement benefits	$	2	$	3