Other Income (Expense), Net

9 Months Ended

Sep. 30, 2020

Income Statement [Abstract]

Other Income (Expense), Net

15. OTHER INCOME (EXPENSE), NET

Components of other income (expense), net are as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
(millions)	2020			2019			2020			2019
Revenues from contracts with customers	$	—		$	1		$	1		$	4
Other income		3			11			10			17
Other expense		(6	)		(23	)		(11	)		(48	)
Allowance for equity funds used during construction		1			(2	)		3			—
Other income (expense), net	$	(2	)	$	(13	)	$	3		$	(27	)

Non-service cost components of pension and other postretirement benefits are included in other income (expense).