Credit Facilities and Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Schedule of Credit Facilities and Long-Term Debt

(in millions)	March 31, 2013			December 31, 2012
Short-term borrowings and current maturities of long-term debt	$	6		$	6
Long-term debt
3.550% Senior Notes due 2016 (a)	$	600		$	600
4.875% Senior Notes due 2021 (a)	600			600
Unamortized discount (b)	(1		)	(1		)
Long-term debt	$	1,199		$	1,199
Total debt	$	1,205		$	1,205

(a) The fair value of our Senior Notes (as defined below) was determined using quoted prices in active markets for identical securities, which are considered Level 1 inputs. The fair value of our Senior Notes due 2016 was $639 million as of both March 31, 2013 and December 31, 2012. The fair value of our Senior Notes due 2021 was $669 million and $680 million as of March 31, 2013 and December 31, 2012, respectively.

(b) The unamortized discount is recognized as a reduction in the carrying value of the Senior Notes (as defined below) in the Condensed Consolidated Balance Sheets and is being amortized to interest expense in our Condensed Consolidated Income Statements over the expected remaining terms of the Senior Notes.