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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | 12 Months Ended | |||
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Sep. 30, 2012
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Sep. 30, 2011
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS | |||||
| Increase (decrease) of capital expenditures in accounts payable | $ 1 | $ 12 | $ 16 | $ 14 | $ (13) |
| Stock-based compensation | $ 20 | $ 17 | $ 22 | $ 24 | $ 16 |
| X | ||||||||||
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- Definition
Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Costs and payments related to employee benefits and equity-based compensation, such as pension expense and contributions, other postretirement benefits expense and payments, stock or unit options expense, and amortization of restricted stock or unit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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