|
Long-term Debt (Parenthetical) (Detail)
In Millions, unless otherwise specified |
Jun. 30, 2014
USD ($)
|
Jun. 30, 2013
USD ($)
|
Dec. 31, 2013
USD Debt Issued in Period
USD ($)
|
Dec. 31, 2013
EUR Debt Issued in Period
EUR (€)
|
Apr. 30, 2013
EUR Debt Issued in Period
EUR (€)
|
|---|---|---|---|---|---|
| Debt Instrument [Line Items] | |||||
| Face Value | $ 20,745 | $ 15,665 | $ 3,300 | € 3,500 | € 550 |