Supplemental Cash Flows Information

6 Months Ended

Jun. 30, 2012

Supplemental Cash Flow Elements [Abstract]



	Six Months Ended June 30,
(in millions)	2012			2011
Cash paid (received)
Interest (net of amount capitalized)¹	$	154		$	142
Income taxes	(9		)	6
Cash payments under plant operating leases	124			189

Non-cash activities from vendor financing	$	6		$	19
Purchase of equipment with notes payable	$	—		$	56


¹	Interest paid for the six months ended June 30, 2012 and 2011 was $167 million and $158 million, respectively. Interest capitalized for the six months ended June 30, 2012 and 2011 was $13 million and $16 million, respectively.

Accrued capital expenditures at June 30, 2012 and 2011 were $25 million and $47 million, respectively. Accrued capital expenditures will be included as an investing activity in the consolidated statements of cash flows in the period paid.

- Definition

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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