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Supplemental Cash Flows Information
3 Months Ended
Mar. 31, 2012
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flows Information
Supplemental Cash Flows Information
 
Three Months Ended March 31,
(in millions)
2012
 
2011
Cash paid (received)
 
 
 
Interest (net of amount capitalized)1
$
6

 
$
(4
)
Income taxes
1

 
9

Cash payments under plant operating leases
76

 
76

Non-cash activities from vendor financing
$
4

 
$
6

1 
Interest capitalized for the three months ended March 31, 2012 and 2011 was $6 million and $10 million, respectively. Interest paid for the three months ended March 31, 2011 was $6 million.
Accrued capital expenditures at March 31, 2012 and 2011 were $7 million and $38 million, respectively. Accrued capital expenditures will be included as an investing activity in the consolidated statements of cash flows in the period paid.