PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2018

Components of Net Periodic Benefit Costs

The components of net periodic benefit cost are:

	PENSION
	QUARTER ENDED						YEAR-TO-DATE ENDED
DOLLAR AMOUNTS IN MILLIONS	SEPTEMBER 2018			SEPTEMBER 2017			SEPTEMBER 2018			SEPTEMBER 2017
Service cost	$	10		$	9		$	28		$	26
Interest cost	58			66			177			198
Expected return on plan assets	(100		)	(101		)	(300		)	(306		)
Amortization of actuarial loss	56			48			169			145
Amortization of prior service cost	1			1			3			3
Total net periodic benefit cost - pension	$	25		$	23		$	77		$	66

	OTHER POSTRETIREMENT BENEFITS
	QUARTER ENDED						YEAR-TO-DATE ENDED
DOLLAR AMOUNTS IN MILLIONS	SEPTEMBER 2018			SEPTEMBER 2017			SEPTEMBER 2018			SEPTEMBER 2017
Interest cost	$	2		$	2		$	5		$	6
Amortization of actuarial loss	2			2			6			6
Amortization of prior service credit	(2		)	(2		)	(6		)	(6		)
Total net periodic benefit cost - other postretirement benefits	$	2		$	2		$	5		$	6