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Debt and Derivative Instruments (Details) - USD ($)
9 Months Ended
Nov. 03, 2019
Jun. 30, 2019
Jun. 15, 2019
Feb. 03, 2019
Jun. 15, 2017
Debt Instrument [Line Items]          
Senior notes $ 27,311,000,000     $ 26,814,000,000  
Debt instrument redemption price (in percentage) 100.00%        
Debt instrument change of control redemption price (in percentage) 101.00%        
Senior notes due June 15, 2047          
Debt Instrument [Line Items]          
Senior notes   $ 1,200,000,000      
Senior notes          
Debt Instrument [Line Items]          
Issuance costs     $ 9,900,000    
Senior notes | Senior notes due June 15, 2029          
Debt Instrument [Line Items]          
Debt instrument face amount     $ 1,000,000,000.0    
Debt instrument interest rate (in percentage)     2.95%    
Debt instrument unamortized discount     $ 6,000,000    
Senior notes | Senior notes due June 15, 2047          
Debt Instrument [Line Items]          
Debt instrument face amount     $ 400,000,000   $ 750,000,000
Debt instrument interest rate (in percentage)     3.90%   3.90%
Debt instrument unamortized premium     $ 10,000,000    
Senior notes | Senior notes due June 15, 2019          
Debt Instrument [Line Items]          
Debt instrument interest rate (in percentage)     2.00%    
Interest rate swap          
Debt Instrument [Line Items]          
Interest rate swap agreement notional amount     $ 350,000,000