Inventories (Tables)

12 Months Ended

Dec. 31, 2017

Inventory, Net [Abstract]

Schedule of Inventory, Current [Table Text Block]

	Successor		Predecessor
(In millions)	December 31, 2017		December 31, 2016
Finished products	$	4,500	$	2,961
Semi-finished products	2,769		1,877
Raw materials	371		292
Stores and supplies	447		398
Total	$	8,087	$	5,528
Adjustment of inventories to a LIFO basis	546		(178		)
Total inventories	$	8,633	$	5,350