Other Earnings (Tables)

12 Months Ended

Dec. 31, 2012

Other Income and Expenses [Abstract]

Components of Other Earnings

(Millions)	2012		2011		2010
Royalty income	$	51	$	55	$	58
Share of net earnings of equity affiliates (See Note 5)	11		37		45
Gain on sale of assets	4		12		8
Other	83		73		69
Total	$	149	$	177	$	180