PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS (Tables)

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Net Periodic Benefit Cost Relating to Pension and Other Postemployment Employee Benefit Plans

The following is a summary of net periodic benefit cost relating to our pension and OPEB plans.

	Three months ended March 31,
			As Restated
(in millions)	2020		2019
Pension benefits
Service cost	$	21	$	18
Interest cost	24		47
Expected return on plan assets	(41)		(72)
Amortization of net losses and prior service costs	19		15
Net periodic pension benefit cost	$	23	$	8
OPEB
Interest cost	$	1	$	2
Amortization of net loss and prior service credit	(4)		(7)
Net periodic OPEB cost (income)	$	(3)	$	(5)