CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
CONSOLIDATED STATEMENTS OF EARNINGS
Net sales (including sales to related parties, see note 16)	$ 7,096.7	$ 6,654.5	$ 5,379.8
Operating cost and expenses:
Cost of sales (exclusive of depreciation, amortization and depletion shown separately below)	3,409.0	3,252.8	3,034.1
Selling, general and administrative	102.6	93.1	94.3
Depreciation, amortization and depletion	674.3	671.1	647.1
Exploration	29.6	28.8	40.1
Environmental remediation		(10.2)
Total operating costs and expenses	4,215.5	4,035.6	3,815.6
Operating income	2,881.2	2,618.9	1,564.2
Interest expense	(360.9)	(357.4)	(360.3)
Capitalized interest	83.8	51.4	69.6
Other expense	(30.7)	(15.7)	(24.6)
Interest income	16.0	5.5	7.1
Income before income taxes	2,589.4	2,302.7	1,256.0
Current income taxes and royalty taxes	1,105.0	951.7	623.6
Deferred income taxes	(51.5)	641.7	(122.5)
Net income before equity earnings of affiliate	1,535.9	709.3	754.9
Equity earnings of affiliate, net of income tax	12.3	23.1	23.9
Net income	1,548.2	732.4	778.8
Less: Net income attributable to the non-controlling interest	5.2	3.9	2.3
Net income attributable to SCC	$ 1,543.0	$ 728.5	$ 776.5
Per common share amounts attributable to SCC:
Net earnings - basic and diluted	$ 2.00	$ 0.94	$ 1.00
Dividends declared and paid	$ 1.40	$ 0.59	$ 0.18
Weighted average shares outstanding - basic and diluted	773.0	773.0	773.6