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Summary of Balance Sheet Data (Tables)
3 Months Ended
Mar. 31, 2019
Statement of Financial Position [Abstract]  
Schedule of Inventory, Current The following schedule presents a summary of inventories by major class:
 
 
March 31, 2019
 
December 31, 2018
 
 
LIFO
 
Non-LIFO
 
Total
 
LIFO
 
Non-LIFO
 
Total
Raw materials
 
$
96

 
$
248

 
$
344

 
$
99

 
$
263

 
$
362

Work in process
 
119

 
93

 
212

 
120

 
94

 
214

Finished goods
 
494

 
725

 
1,219

 
461

 
692

 
1,153

Supplies and other
 

 
278

 
278

 

 
275

 
275

 
 
709

 
1,344

 
2,053

 
680

 
1,324

 
2,004

Excess of FIFO or weighted-average cost over LIFO cost
 
(196
)
 

 
(196
)
 
(191
)
 

 
(191
)
Total
 
$
513

 
$
1,344

 
$
1,857

 
$
489

 
$
1,324

 
$
1,813

Property, Plant and Equipment The following schedule presents a summary of property, plant and equipment, net:
 
March 31, 2019
 
December 31, 2018
Land
$
168

 
$
169

Buildings
2,814

 
2,787

Machinery and equipment
14,194

 
14,059

Construction in progress
648

 
699

 
17,824

 
17,714

Less accumulated depreciation
(10,685
)
 
(10,555
)
Total
$
7,139

 
$
7,159