|
Joint Venture Acquisition Obligation (Details) (USD $)
|
9 Months Ended |
|---|---|
|
Sep. 30, 2012
|
|
| Joint Venture Acquisition Obligation (Textual) [Abstract] | |
| Initial acquisition obligation to joint venture | $ 7,500,000,000 |
| Time period for contribution | 10 |
| Quarterly principal and interest payments for joint venture acquisition obligation | 237,000,000 |
| Short-term portion of principal obligation amount | 763,000,000 |
| Principal payment for joint venture obligation | $ 546,000,000 |
| Percentage of quarterly interest payment as capital contribution | 50.00% |
| X | ||||||||||
|
- Definition
Obligation to Joint Venture over a 10-year period, beginning in 2007. No definition available.
|
| X | ||||||||||
|
- Definition
Amount of the required quarterly payments applied to principal. No definition available.
|
| X | ||||||||||
|
- Definition
Amount of the required quarterly payments including both interest and principal payments for Joint Venture Acquisition Obligation. No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Percent of the quarterly interest payment that is reflected as a capital contribution. No definition available.
|
| X | ||||||||||
|
- Definition
Short-term portion of principal obligation amount. No definition available.
|
| X | ||||||||||
|
- Definition
Time period for contribution. No definition available.
|