CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012		Dec. 31, 2011
COMPREHENSIVE INCOME:
Net income	$ 1,624,181	$ 1,941,372		$ 2,344,353
Other comprehensive income (loss) net of tax:
Decrease (increase) in pension and other post-retirement benefits (net of income tax of $1.4 million, $(1.5) million and $4.7 million)	2,207	(3,394)		8,310
Derivative instruments classified as cash flow hedge:
Decrease in prior period accumulated unrealized (gain) loss (net of income taxes of $3.5 million and $(71.4) million in 2012 and 2011, respectively)		(5,452)	[1]	125,562	[1]
Unrealized gain (loss) of the period (net of income tax of $(3.5) million in 2012)				5,452
Unrealized net gain on derivative instruments classified as cash flow hedges		(5,452)		131,014
Total other comprehensive gain (loss)	2,207	(8,846)		139,324
Total comprehensive income	1,626,388	1,932,526		2,483,677
Comprehensive income attributable to the non-controlling interest	5,664	6,736		7,956
Comprehensive income attributable to SCC	$ 1,620,724	$ 1,925,790		$ 2,475,721

[1] The decrease in prior period unrealized (gain) loss is the reversal of (losses) gains or open copper derivative positions that subsequently expired with net realized gain or (loss), due to changes in copper prices.