Supplemental Cash Flow Disclosures Supplemental Cash Flow Disclosures (Tables)

12 Months Ended

Dec. 31, 2012

Supplemental Cash Flows Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

The summary of supplemental cash flow disclosures as of and for the years ended December 31 is as follows (in millions):

	2012		2011		2010
Interest paid, net of amounts capitalized	$	331	$	358	$	331
Income taxes received, net	$	205	$	425	$	395

Supplemental disclosure of non-cash investing and financing activities:
Accounts payable related to property, plant and equipment additions	$	167	$	231	$	216