Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Senior Notes (Details)

v3.20.2
Borrowings - Senior Notes (Details) - USD ($)
Aug. 31, 2020
Apr. 30, 2020
Mar. 31, 2020
Schedule of Debt [Line Items]      
Debt instrument, face amount     $ 2,000,000,000.0
Unsecured debt      
Schedule of Debt [Line Items]      
Percentage of outstanding principal amount as redemption price   100.00%  
2.875% Senior Notes | Unsecured debt      
Schedule of Debt [Line Items]      
Debt instrument, face amount   $ 600,000,000.0  
Basis points above adjusted treasury rate 35.00%    
Coupon rates of notes   2.875%  
3.75% Senior Notes | Unsecured debt      
Schedule of Debt [Line Items]      
Debt instrument, face amount   $ 600,000,000.0  
Basis points above adjusted treasury rate 40.00%    
Coupon rates of notes   3.75%