Equity Method Investments (Tables)

12 Months Ended

Dec. 31, 2012

Equity Method Investments [Abstract]

Equity method investments

Equity method investments are as follows:

	December 31,
	2012		2011
(millions)
Equity Method Investments
AMPCO	$	137	$	147
Alba Plant	93		96
CONE	121		72
Other	16		14
Total Equity Method Investments	$	367	$	329

Summarized, 100% combined financial information for equity method investees is as follows:

	December 31,
	2012		2011
(millions)
Balance Sheet Information
Current Assets	$	384	$	374
Noncurrent Assets	902		827
Current Liabilities	348		360
Noncurrent Liabilities	24		16

	Year Ended December 31,
	2012			2011			2010
(millions)
Statements of Operations Information
Operating Revenues	$	1,173		$	1,139		$	809
Operating Expenses	361			335			296
Operating Income	812			804			513
Other (Income) Net	(5		)	(12		)	(12		)
Income Before Income Taxes	817			816			525
Income Tax Provision	200			201			133
Net Income	$	617		$	615		$	392