Annual report pursuant to Section 13 and 15(d)

Derivative Instruments and Hedging Activities Schedule of Interest Rate Swap Receivers (Details)

v3.10.0.1
Derivative Instruments and Hedging Activities Schedule of Interest Rate Swap Receivers (Details) - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Derivative [Line Items]      
Notional $ 36,528,169,000 $ 31,226,878,000 $ 18,802,500,000
Interest Rate Swap [Member] | Short [Member]      
Derivative [Line Items]      
Notional $ 8,117,438,000 $ 5,561,990,000  
Weighted Average Variable Interest Rate 2.612% 1.462%  
Weighted Average Fixed Interest Rate 2.757% 2.211%  
Weighted Average Remaining Maturity 5 years 2 months 19 days 7 years 7 months 28 days  
Interest Rate Swap [Member] | Derivative Maturity Over One And Within Two Years From Balance Sheet Date [Member] | Short [Member]      
Derivative [Line Items]      
Notional $ 250,000,000    
Weighted Average Variable Interest Rate 2.469%    
Weighted Average Fixed Interest Rate 2.258%    
Weighted Average Remaining Maturity 1 year 21 days    
Interest Rate Swap [Member] | Derivative Maturity Over Two And Within Three Years From Balance Sheet Date [Member] | Short [Member]      
Derivative [Line Items]      
Notional $ 2,477,438,000 $ 200,000,000  
Weighted Average Variable Interest Rate 2.538% 1.391%  
Weighted Average Fixed Interest Rate 2.736% 1.642%  
Weighted Average Remaining Maturity 2 years 2 months 26 days 2 years 7 months 6 days  
Interest Rate Swap [Member] | Derivative Maturity Over Three And Within Four Years From Balance Sheet Date [Member] | Short [Member]      
Derivative [Line Items]      
Notional $ 800,000,000 $ 500,000,000  
Weighted Average Variable Interest Rate 2.653% 1.357%  
Weighted Average Fixed Interest Rate 2.975% 1.327%  
Weighted Average Remaining Maturity 3 years 4 months 20 days 3 years 18 days  
Interest Rate Swap [Member] | Derivative Maturity Over Four Years From Balance Sheet Date [Member] | Short [Member]      
Derivative [Line Items]      
Notional $ 4,590,000,000 $ 4,861,990,000  
Weighted Average Variable Interest Rate 2.653% 1.475%  
Weighted Average Fixed Interest Rate 2.757% 2.325%  
Weighted Average Remaining Maturity 7 years 4 months 13 days 8 years 4 months 2 days