Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

	2016									2015
(In millions)	Owned			Capital Leases			Total			Owned			Capital Leases			Total
Property, plant and equipment, at cost:
Land	$	397		$	—		$	397		$	387		$	—		$	387
Buildings	2,288			35			2,323			2,230			32			2,262
Machinery and equipment	12,232			46			12,278			11,719			68			11,787
Construction in progress	887			—			887			783			—			783
	15,804			81			15,885			15,119			100			15,219
Accumulated depreciation	(9,102		)	(23		)	(9,125		)	(8,605		)	(32		)	(8,637		)
	6,702			58			6,760			6,514			68			6,582
Spare parts	280			—			280			195			—			195
	$	6,982		$	58		$	7,040		$	6,709		$	68		$	6,777