|
Debt Debt - Fair Value of Other Financial Instruments (Table) (Details) (USD $)
In Millions, unless otherwise specified |
Jun. 30, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Total long-term debt, net | $ 11,549 | $ 12,886 |
|
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member]
|
||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Total long-term debt, net | 11,539 | 10,501 |
|
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]
|
||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Total long-term debt, net | 12,802 | 11,557 |
|
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member]
|
||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Total long-term debt, net | 0 | 2,372 |
|
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]
|
||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Total long-term debt, net | $ 0 | $ 2,369 |