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Debt - Additional Information (Detail)
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3 Months Ended | 9 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2014
USD ($)
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Sep. 30, 2014
USD ($)
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Sep. 30, 2014
Yen Term Loan [Member]
USD ($)
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Sep. 30, 2014
Yen Term Loan [Member]
JPY (¥)
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Sep. 30, 2014
Yen Term Loan [Member]
London Interbank Offered Rate (LIBOR) [Member]
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Sep. 30, 2014
Euro Term Loan [Member]
USD ($)
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Sep. 30, 2014
Euro Term Loan [Member]
EUR (€)
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Sep. 30, 2014
Exchangeable Senior Notes [Member]
USD ($)
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Sep. 30, 2013
Exchangeable Senior Notes [Member]
USD ($)
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Sep. 30, 2014
Exchangeable Senior Notes [Member]
USD ($)
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Sep. 30, 2013
Exchangeable Senior Notes [Member]
USD ($)
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Dec. 31, 2013
Exchangeable Senior Notes [Member]
USD ($)
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Sep. 30, 2014
Global Facility [Member]
USD ($)
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Sep. 30, 2014
Global Facility [Member]
Minimum [Member]
USD ($)
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Sep. 30, 2014
Global Facility [Member]
Maximum [Member]
USD ($)
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Sep. 30, 2014
Revolver [Member]
USD ($)
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Sep. 30, 2014
Revolver [Member]
JPY (¥)
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| Debt [Line Items] | |||||||||||||||||
| Credit facility current borrowing capacity | $ 2,430,000,000 | $ 2,000,000,000 | $ 2,500,000,000 | $ 410,000,000 | ¥ 45,000,000,000 | ||||||||||||
| Maximum borrowing capacity | 2,840,200,000 | 2,840,200,000 | 372,800,000 | 40,900,000,000 | 629,200,000 | 500,000,000 | 514,800,000 | 56,500,000,000 | |||||||||
| Senior notes issued | 1,300,000,000 | 1,300,000,000 | |||||||||||||||
| Debt extinguishment costs | 84,800,000 | 163,400,000 | |||||||||||||||
| Fair value of derivative liability | 19,900,000 | 19,900,000 | 41,000,000 | ||||||||||||||
| Unrealized gains (losses) | 27,600,000 | 6,500,000 | 21,200,000 | (6,600,000) | |||||||||||||
| Increased borrowing limit | $ 465,600,000 | ¥ 51,100,000,000 | $ 1,300,000,000 | € 1,000,000,000 | |||||||||||||
| Debt instrument basis spread | 1.20% | ||||||||||||||||