Quarterly report pursuant to Section 13 or 15(d)

Debt - Senior Notes (Details)

v3.19.3.a.u2
Debt - Senior Notes (Details) - USD ($)
6 Months Ended
Dec. 31, 2019
Oct. 31, 2019
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Nov. 30, 2014
Oct. 31, 2014
Debt Instrument              
Unamortized discount $ 8,319,000   $ 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  
Face amount, repaid   $ 250,000,000.0          
Unamortized discount       $ 6,700,000   $ 4,000,000.0  
Redemption price 101.00%            
Fair value disclosure $ 3,560,000,000   $ 3,700,000,000