Supplemental Income Statement Information

6 Months Ended

Jun. 30, 2021

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				Six months ended
	June 30,				June 30,
(Millions)	2021		2020		2021		2020
Interest expense	$	121	$	137	$	253	$	260
Interest income		(8)		(9)		(12)		(19)
Pension and postretirement net periodic benefit cost (benefit)		(80)		(38)		(159)		(76)
Total	$	33	$	90	$	82	$	165

Interest expense includes an early debt extinguishment pre-tax charge of approximately $11 million in the first quarter of 2021.

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.