Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Details Textual)

v3.19.2
Borrowings (Details Textual) - USD ($)
Jun. 28, 2019
May 31, 2019
Feb. 28, 2019
Oct. 31, 2018
Sep. 30, 2018
Schedule of Debt [Line Items]          
Debt instrument, face amount   $ 2,500,000,000.0     $ 2,500,000,000
Short-term borrowings   586,400,000 $ 791,500,000    
Commercial paper [Member]          
Schedule of Debt [Line Items]          
Debt instrument, face amount   532,100,000      
Short-term borrowings   $ 531,400,000 $ 732,500,000    
Interest rate   2.90%      
Commercial paper [Member] | Maximum [Member]          
Schedule of Debt [Line Items]          
Debt instrument, face amount       $ 2,000,000,000.0  
Unsecured debt [Member] | Term Credit Agreement [Member]          
Schedule of Debt [Line Items]          
Debt instrument, face amount   $ 1,500,000,000.0     1,500,000,000
Unsecured debt [Member] | Three-Year Term Facility [Member]          
Schedule of Debt [Line Items]          
Debt instrument, face amount   $ 500,000,000.0     500,000,000.0
Interest rate   3.60%      
Unsecured debt [Member] | Five-Year Term Facility [Member]          
Schedule of Debt [Line Items]          
Debt instrument, face amount   $ 1,000,000,000.0     $ 1,000,000,000.0
Interest rate   3.70%      
Unsecured debt [Member] | 2019 Five-Year Term Facility [Member] | Subsequent event [Member]          
Schedule of Debt [Line Items]          
Debt instrument, face amount $ 491,300,000