|
DERIVATIVES AND RISK MANAGEMENT ACTIVITIES Table 1 (Details) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Derivatives, Fair Value | ||
| Asset Derivatives | $ 246,750 | $ 147,797 |
| Liability Derivatives | (267,552) | (160,889) |
|
Designated as Hedging Instrument
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 88,073 | 124,503 |
| Liability Derivatives | (136,531) | (148,990) |
|
Designated as Hedging Instrument | Commodity contracts | Other current assets
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 5,776 | 36,116 |
| Liability Derivatives | (5,010) | (33,616) |
|
Designated as Hedging Instrument | Commodity contracts | Other long-term assets, net
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 36,782 | 86,052 |
| Liability Derivatives | (27,220) | (66,175) |
|
Designated as Hedging Instrument | Commodity contracts | Accrued liabilities
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 35,863 | 0 |
| Liability Derivatives | (50,514) | 0 |
|
Designated as Hedging Instrument | Commodity contracts | Other long-term liabilities
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 9,652 | 0 |
| Liability Derivatives | (16,496) | 0 |
|
Designated as Hedging Instrument | Interest rate swaps | Other long-term assets, net
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 0 | 2,335 |
| Liability Derivatives | 0 | 0 |
|
Designated as Hedging Instrument | Interest rate swaps | Accrued liabilities
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 0 | 0 |
| Liability Derivatives | (37,291) | (22,009) |
|
Designated as Hedging Instrument | Interest rate swaps | Other long-term liabilities
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 0 | 0 |
| Liability Derivatives | 0 | (27,190) |
|
Not Designated as Hedging Instrument
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 158,677 | 23,294 |
| Liability Derivatives | (131,021) | (11,899) |
|
Not Designated as Hedging Instrument | Commodity contracts | Other current assets
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 91,480 | 15,568 |
| Liability Derivatives | (46,371) | (5,956) |
|
Not Designated as Hedging Instrument | Commodity contracts | Other long-term assets, net
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 13,921 | 7,207 |
| Liability Derivatives | (14,387) | 0 |
|
Not Designated as Hedging Instrument | Commodity contracts | Accrued liabilities
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 32,997 | 519 |
| Liability Derivatives | (55,483) | (5,943) |
|
Not Designated as Hedging Instrument | Commodity contracts | Other long-term liabilities
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 20,279 | 0 |
| Liability Derivatives | $ (14,780) | $ 0 |