Supplemental Balance Sheet Information (Tables)

6 Months Ended

Jun. 30, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Inventories

Total inventories consisted of the following:

(millions)	June 30, 2013		December 31, 2012
Finished goods and work in progress	$	264	$	245
Raw materials	59		59
Total	$	323	$	304