Interest Expense (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Interest Expense

Interest expense includes interest and the amortization of deferred financing fees and debt discounts, less amounts capitalized, as follows:

(In millions)	2018			2017			2016
Interest expense before capitalization	$	335		$	358		$	398
Capitalized interest	(14		)	(23		)	(26		)
	$	321		$	335		$	372