Quarterly report pursuant to Section 13 or 15(d)

Debt - Senior Notes (Details)

v3.19.3
Debt - Senior Notes (Details) - USD ($)
3 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Nov. 30, 2014
Oct. 31, 2014
Debt Instrument            
Unamortized discount $ 8,528,000 $ 8,738,000        
Treasury lock | Derivatives designated as hedging instruments | Cash flow hedge contracts - foreign currency | 2018 Rate lock agreements | Senior notes            
Debt Instrument            
Derivative, notional amount       $ 500,000,000.0    
Treasury lock | Derivatives designated as hedging instruments | Cash flow hedge contracts - foreign currency | Portion of senior notes | Senior notes            
Debt Instrument            
Derivative, notional amount           $ 1,000,000,000.00
Senior notes            
Debt Instrument            
Face amount     $ 1,200,000,000   $ 2,500,000,000  
Unamortized discount     $ 6,700,000   $ 4,000,000.0  
Redemption price 101.00%          
Fair value disclosure $ 3,820,000,000 $ 3,700,000,000