Other Income (Expense), Net (Tables)

3 Months Ended

Mar. 31, 2020

Income Statement [Abstract]

Components of Other Income (Expense), Net

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

	Three Months Ended March 31,
(millions)	2020			2019
Revenues from contracts with customers	$	1		$	1
Other income		3			4
Other expense		(2	)		(10	)
Allowance for equity funds used during construction		1			—
Other income (expense), net	$	3		$	(5	)