|
DERIVATIVES AND RISK MANAGEMENT ACTIVITIES Table 1 (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2011
|
Dec. 31, 2010
|
|---|---|---|
| Derivatives, Fair Value | ||
| Asset Derivatives | $ 147,797 | $ 94,471 |
| Liability Derivatives | (160,889) | (93,032) |
|
Designated as Hedging Instrument
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 124,503 | 47,839 |
| Liability Derivatives | (148,990) | (32,005) |
|
Designated as Hedging Instrument | Commodity contracts | Other current assets
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 36,116 | 0 |
| Liability Derivatives | (33,616) | 0 |
|
Designated as Hedging Instrument | Commodity contracts | Other long-term assets, net
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 86,052 | 0 |
| Liability Derivatives | (66,175) | 0 |
|
Designated as Hedging Instrument | Commodity contracts | Accrued liabilities
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 0 | 2,176 |
| Liability Derivatives | 0 | (2,522) |
|
Designated as Hedging Instrument | Interest rate swaps | Other long-term assets, net
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 2,335 | 45,663 |
| Liability Derivatives | 0 | 0 |
|
Designated as Hedging Instrument | Interest rate swaps | Accrued liabilities
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 0 | 0 |
| Liability Derivatives | (22,009) | 0 |
|
Designated as Hedging Instrument | Interest rate swaps | Other long-term liabilities
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 0 | 0 |
| Liability Derivatives | (27,190) | (29,483) |
|
Not Designated as Hedging Instrument
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 23,294 | 46,632 |
| Liability Derivatives | (11,899) | (61,027) |
|
Not Designated as Hedging Instrument | Commodity contracts | Other current assets
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 15,568 | 0 |
| Liability Derivatives | (5,956) | 0 |
|
Not Designated as Hedging Instrument | Commodity contracts | Other long-term assets, net
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 7,207 | 0 |
| Liability Derivatives | 0 | 0 |
|
Not Designated as Hedging Instrument | Commodity contracts | Accrued liabilities
|
||
| Derivatives, Fair Value | ||
| Asset Derivatives | 519 | 46,632 |
| Liability Derivatives | $ (5,943) | $ (61,027) |