CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net sales (Note 3)	$ 2,065	$ 1,808	$ 3,930	$ 3,501
Costs of products sold	1,447	1,336	2,795	2,608
Gross margin	618	472	1,135	893
Selling expenses	23	22	46	44
General and administrative expenses	80	76	158	163
Research and development expenses	2	4	4	8
Charges for integration and restructuring, closures and asset impairments (Note 15)	0	151	2	164
Charges (recoveries) for product remediation, net (Note 16)	20	50	0	50
Other operating costs, net (Note 17)	17	12	45	14
Operating income	476	157	880	450
Non-operating pension and other postretirement benefit costs	(13)	(8)	(37)	(30)
Interest income and other	11	9	23	18
Interest expense, net of capitalized interest	(92)	(100)	(185)	(199)
Earnings before income taxes	382	58	681	239
Income taxes (Note 18)	(65)	(34)	(95)	(58)
Net earnings	$ 317	$ 24	$ 586	$ 181
Earnings per share, basic and diluted (Note 5)	$ 0.42	$ 0.03	$ 0.77	$ 0.24
Dividends paid per share	$ 0.32	$ 0.31	$ 0.64	$ 0.62
Weighted average shares outstanding (in thousands) (Note 5):
Basic	757,829	752,630	757,317	751,674
Diluted	760,533	756,451	759,992	755,625