Annual report pursuant to Section 13 and 15(d)

Derivative Instruments and Hedging Activities - Additional Information (Details)

v3.7.0.1
Derivative Instruments and Hedging Activities - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Nov. 30, 2014
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2014
Oct. 31, 2014
Senior notes            
Derivative            
Face amount $ 2,500,000,000.00          
Senior notes due November 1, 2024 | Senior notes            
Derivative            
Face amount           $ 1,250,000,000
Stated interest rate   4.65% [1]       4.65%
Senior notes due May 1, 2018 | Senior notes            
Derivative            
Face amount 750,000,000          
Derivatives designated as hedging instruments | Cash flow hedge contracts | Portion of Senior notes | Senior notes | Treasury lock            
Derivative            
Derivative, notional amount           $ 1,000,000,000.00
Unrealized Gains (Losses) on Cash Flow Hedges         $ 7,500,000  
Gain (Loss) on Sale of Derivatives       $ 7,500,000    
Derivatives designated as hedging instruments | Cash flow hedge contracts | Portion of Senior notes | Senior notes | Treasury lock | Interest expense            
Derivative            
Unrealized Gains (Losses) on Cash Flow Hedges   $ 5,500,000        
Gain reclassified from accumulated OCI into income, effective portion   $ 800,000 $ 800,000 $ 500,000    
Derivatives not designated as hedging instruments | Senior notes due May 1, 2018 | Senior notes | Treasury lock            
Derivative            
Derivative, notional amount 750,000,000          
Derivative, gain on derivative $ 1,200,000          
[1] The effective interest rate disclosed above for this series of Senior Notes excludes the impact of the treasury rate lock hedge discussed below. The effective interest rate including the impact of the treasury rate lock hedge was 4.626%.