Properties, Plants, and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Schedule of Properties, Plants, and Equipment, Net

Properties, Plants, and Equipment, Net

December 31,	2018		2017
Land and land rights	$	136	$	140
Structures:
Engineered Products and Solutions	796		784
Global Rolled Products	1,068		1,090
Transportation and Construction Solutions	248		268
Other	252		253
	2,364		2,395
Machinery and equipment:
Engineered Products and Solutions	3,437		3,054
Global Rolled Products	4,629		4,641
Transportation and Construction Solutions	748		777
Other	420		358
	9,234		8,830
	11,734		11,365
Less: accumulated depreciation and amortization	6,769		6,392
	4,965		4,973
Construction work-in-progress	739		621
	$	5,704	$	5,594