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Cash Flow Information
12 Months Ended
Dec. 31, 2012
Cash Flow Information Disclosure [Abstract]  
Cash Flow Information
Cash Flow Information
Detail of supplemental disclosures of cash flow and non-cash investing and financing information was:

 
Year Ended December 31,
 
2012
 
2011
 
2010
 
(In millions)
Interest paid, net of amount capitalized
$
579

 
$
642

 
$
609

Income taxes paid (a)
17

 
26

 
20

Non-cash investing and financing activities:
 
 
 
 
 
Additions to fixed assets for accrued capital expenditures
563

 
292

 
393

Decrease to fixed assets for accrued grants and related tax impact
(87
)
 
(32
)
 

Decrease to 4.0% preferred stock from conversion to common stock

 

 
149

Decrease to notes receivable for equity conversion

 
63

 
56

Increase to treasury stock from shares returned by affiliates of CS

 

 
(160
)
Issuance of shares for GenOn acquisition
(2,188
)
 

 


(a)
2011 and 2010 income taxes paid are net of $8 million, and $14 million, respectively, of income tax refunds received. For 2012, no tax refunds were received.