Supplemental Income Statement Information

9 Months Ended

Sep. 30, 2018

Supplemental Income Statement Information

Supplemental Income Statement Information

NOTE 6.  Supplemental Income Statement Information

Other expense (income), net consists of the following:

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2018		2017		2018		2017
Interest expense	$	85	$	57	$	255	$	156
Interest income		(15)		(13)		(52)		(33)
Pension and postretirement net periodic benefit cost (benefit)		(19)		(33)		(59)		(96)
Total	$	51	$	11	$	144	$	27

Pension and postretirement net periodic benefit costs described in the table above include all components of defined benefit plan net periodic benefit costs except service cost, which is reported in various operating expense lines. Refer to Note 11 for additional details on the components of pension and postretirement net periodic benefit costs.