Interest Expense (Tables)

12 Months Ended

Dec. 31, 2016

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)	2016			2015			2014
Interest expense before capitalization	$	398		$	457		$	468
Capitalized interest	(26		)	(19		)	(24		)
	$	372		$	438		$	444