PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2018

Components of Net Periodic Benefit Costs

The components of net periodic benefit costs are:

	PENSION
	QUARTER ENDED
DOLLAR AMOUNTS IN MILLIONS	MARCH 2018			MARCH 2017
Service cost	$	10		$	10
Interest cost	60			66
Expected return on plan assets	(100		)	(102		)
Amortization of actuarial loss	61			55
Amortization of prior service cost	1			1
Total net periodic benefit cost - pension	$	32		$	30

	OTHER POSTRETIREMENT BENEFITS
	QUARTER ENDED
DOLLAR AMOUNTS IN MILLIONS	MARCH 2018			MARCH 2017
Interest cost	$	2		$	2
Amortization of actuarial loss	2			2
Amortization of prior service credit	(2		)	(2		)
Total net periodic benefit cost - other postretirement benefits	$	2		$	2