v2.4.0.8

Financial Instruments and Fair Value Measurements - Additional Information (Detail) | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 USD ($) | Sep. 30, 2013 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2013 USD ($) | Sep. 30, 2014 Foreign Currency Forward Contracts [Member] USD ($) | Dec. 31, 2013 Foreign Currency Forward Contracts [Member] USD ($) | Sep. 30, 2014 Foreign Currency Forward Contracts [Member] EUR (€) | Feb. 28, 2014 Foreign Currency Forward Contracts [Member] USD ($) | Feb. 28, 2014 Foreign Currency Forward Contracts [Member] EUR (€) | Dec. 31, 2013 Foreign Currency Forward Contracts [Member] EUR (€)
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Debt issued | $ 8,813,000,000 |  | $ 8,813,000,000 |  | $ 2,400,000,000 | $ 1,000,000,000 | € 1,900,000,000 | $ 1,600,000,000 | € 1,200,000,000 | € 700,000,000
Amount of gain (loss) included in AOCI | (130,763,000) | 88,001,000 | (72,022,000) | (250,251,000) | 214,600,000 | (14,900,000) |  |  |  |
Hedge ineffectiveness | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |  |  |

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