Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2013

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

The following table summarizes the components of net periodic benefit cost for the three and nine month periods ended September 30, 2013 and 2012 for the Ryerson pension plans and postretirement benefits other than pension:

	Three Months Ended September 30,
	Pension Benefits						Other Benefits
	2013			2012			2013			2012
	(In millions)
Components of net periodic benefit cost
Service cost	$	1		$	1		$	—		$	1
Interest cost		9			11			1			1
Expected return on assets		(11	)		(12	)		—			—
Recognized actuarial net (gain) loss		3			3			(2	)		(2	)
Net periodic benefit cost (credit)	$	2		$	3		$	(1	)	$	—
	Nine Months Ended September 30,
	Pension Benefits						Other Benefits
	2013			2012			2013			2012
	(In millions)
Components of net periodic benefit cost
Service cost	$	2		$	2		$	—		$	1
Interest cost		27			31			3			5
Expected return on assets		(33	)		(34	)		—			—
Prior service credit		—			—			(1	)		—
Recognized actuarial net (gain) loss		10			9			(5	)		(6	)
Net periodic benefit cost (credit)	$	6		$	8		$	(3	)	$	—