Long-Term Debt - Summary of Notes Issued (Details)	May 31, 2016 USD ($)	May 26, 2016 USD ($)	May 06, 2016 EUR (€)	May 04, 2016 EUR (€)	Feb. 26, 2016 EUR (€)	Feb. 18, 2016 EUR (€)	Nov. 30, 2015 USD ($)
Debt Instrument [Line Items]
Long-term debt	$ 5,406,624,000						$ 5,640,722,000
Unsecured Debt [Member]
Debt Instrument [Line Items]
Long-term debt	5,385,005,000						5,640,722,000
Unsecured Debt [Member] | Variable Rate Structured Notes, due February 18, 2028 [Member]
Debt Instrument [Line Items]
Debt principal amount | €						€ 30,000,000.0
Long-term debt	30,101,000						0
Unsecured Debt [Member] | Fixed to Floating Rate Structured Notes, due February 26, 2019 [Member]
Debt Instrument [Line Items]
Debt principal amount | €					€ 10,000,000
Long-term debt	10,859,000						0
Unsecured Debt [Member] | Floating Rate Puttable Notes Due 2018 [Member]
Debt Instrument [Line Items]
Debt principal amount | €				€ 6,000,000
Unsecured Debt [Member] | Fixed to Floating Rate Structured Notes, Due May 6, 2026 [Member]
Debt Instrument [Line Items]
Debt principal amount | €			€ 5,000,000
Long-term debt	4,978,000						0
Unsecured Debt [Member] | Fixed Rate Step-Up Callable Notes, Due May 26, 2026 [Member]
Debt Instrument [Line Items]
Debt principal amount		$ 50,000,000
Long-term debt	$ 47,055,000						$ 0