|
Basis Of Presentation And Recent Accounting Standards (Details)
In Millions, unless otherwise specified |
6 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Jun. 30, 2012
USD ($)
|
Jun. 30, 2011
USD ($)
|
Jun. 30, 2012
Venezuela [Member]
USD ($)
|
Jun. 30, 2012
Venezuela [Member]
VEF
|
Dec. 31, 2011
Venezuela [Member]
USD ($)
|
Dec. 31, 2011
Venezuela [Member]
VEF
|
|
| Basis of Presentation [Line Items] | ||||||
| Net Assets Subject To Foreign Currency Restrictions | $ 636 | $ 438 | ||||
| Amounts Receivable By Other Subsidiairies From Currency Restricted Subsidiary | 540 | 380 | ||||
| Amounts of Foreign Currency Payment Pending Approval | 751 | 3,200 | 535 | 2,300 | ||
| Capital Expenditures Incurred but Not yet Paid | $ 3,737 | $ 2,989 | ||||