Annual report pursuant to Section 13 and 15(d)

Debt - Senior Notes (Details)

v3.5.0.2
Debt - Senior Notes (Details) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Nov. 19, 2014
Nov. 30, 2014
Dec. 31, 2014
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Oct. 31, 2014
Debt Instrument [Line Items]              
Cash dividends declared per share (in dollars per share)       $ 2.08 $ 18.5 $ 1.8  
Cash dividends paid       $ 323,836,000 $ 3,083,059,000 $ 298,871,000  
Unamortized discount       3,312,000 3,723,000    
Treasury Lock | Derivatives Designated as Hedging Instruments | Cash Flow Hedging | Senior Notes | Portion of Senior Notes              
Debt Instrument [Line Items]              
Notional amount of derivative             $ 1,000,000,000.00
Special Cash Dividend              
Debt Instrument [Line Items]              
Cash dividends declared per share (in dollars per share) $ 16.50 $ 16.50 $ 16.50        
Cash dividends paid   $ 2,760,000,000   $ 21,800,000 1,800,000    
Senior Notes              
Debt Instrument [Line Items]              
Face amount   2,500,000,000.00          
Unamortized discount   $ 4,000,000          
Frequency of periodic payment   semi-annually          
Redemption price, percentage       101.00%      
Debt instrument, fair value disclosure       $ 2,680,000,000 $ 2,520,000,000    
Senior Notes | Senior Notes Due May 1, 2018              
Debt Instrument [Line Items]              
Face amount   $ 750,000,000          
Senior Notes | Standard & Poor's, BBplus Rating              
Debt Instrument [Line Items]              
Decrease in credit rating, interest rate adjustment       0.25%      
Senior Notes | Standard & Poor's, BB Rating              
Debt Instrument [Line Items]              
Decrease in credit rating, interest rate adjustment       0.50%      
Senior Notes | Standard & Poor's, BB- Rating              
Debt Instrument [Line Items]              
Decrease in credit rating, interest rate adjustment       0.75%      
Senior Notes | Standard & Poor's, Bplus Rating              
Debt Instrument [Line Items]              
Decrease in credit rating, interest rate adjustment       1.00%      
Senior Notes | Moody's, Ba1 Rating              
Debt Instrument [Line Items]              
Decrease in credit rating, interest rate adjustment       0.25%      
Senior Notes | Moody's, Ba2 Rating              
Debt Instrument [Line Items]              
Decrease in credit rating, interest rate adjustment       0.50%      
Senior Notes | Moody's, Ba3 Rating              
Debt Instrument [Line Items]              
Decrease in credit rating, interest rate adjustment       0.75%      
Senior Notes | Moody's, B1 Rating              
Debt Instrument [Line Items]              
Decrease in credit rating, interest rate adjustment       1.00%