Supplemental Income Statement Information (Tables)

9 Months Ended

Sep. 30, 2021

Other Income and Expenses [Abstract]

Schedule of other expense (income), net

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

	Three months ended September 30,				Nine months ended September 30,
(Millions)	2021		2020		2021		2020
Interest expense	$	117	$	128	$	370	$	388
Interest income	(6)		(5)		(18)		(24)
Pension and postretirement net periodic benefit cost (benefit)	(80)		(40)		(239)		(116)
Total	$	31	$	83	$	113	$	248