Interest Expense (Tables)

12 Months Ended

Dec. 31, 2019

Interest Expense [Abstract]

Schedule of interest expense

Details of interest expense are as follows:

	Year ended December 31,
	2019			2018			2017
	(in millions)
Interest on borrowings(1)	$	223		$	228		$	300
Fees on financing agreements(1)	13			13			16
Interest on tax liabilities	3			1			1
Interest capitalized	(2		)	(1		)	(2		)
Interest expense	$	237		$	241		$	315

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See Note 12—Financing Agreements for additional information.