|
Debt - Term Loans Narrative (Details) (USD $)
|
6 Months Ended | 3 Months Ended | 3 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Dec. 31, 2012
Secured Debt [Member]
|
Nov. 07, 2012
Secured Debt [Member]
|
Dec. 31, 2012
Secured Debt [Member]
Premium on Extinguishment of Debt [Member]
|
Dec. 31, 2012
Secured Debt [Member]
Unamortized Discount on Extinguishment of Debt [Member]
|
Dec. 31, 2012
Secured Debt [Member]
Unamortized Deferred Charges on Extinguishment of Debt [Member]
|
Jun. 30, 2014
Senior Notes [Member]
|
Apr. 24, 2014
Senior Notes [Member]
|
|
| Long-Term Debt Instrument [Line Items] | |||||||||
| Credit Facility Commitment Period | five-year | ||||||||
| Unsecured Debt | $ 2,000,000,000 | ||||||||
| Proceeds from Issuance of Unsecured Debt | 1,935,000,000 | ||||||||
| Long-term Debt, Gross | 1,500,000,000 | 3,000,000,000 | 3,000,000,000 | ||||||
| Gains (Losses) on Extinguishment of Debt | $ (61,000,000) | $ (17,000,000) | $ 90,000,000 | $ 40,000,000 | $ 30,000,000 | $ 20,000,000 | |||