Annual report pursuant to Section 13 and 15(d)

Borrowings (Details)

v3.19.1
Borrowings (Details) - USD ($)
Feb. 28, 2019
Oct. 31, 2018
Sep. 30, 2018
Aug. 31, 2018
Feb. 28, 2018
Nov. 30, 2017
Jul. 31, 2017
May 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Nov. 30, 2014
May 31, 2013
Short-term Debt                        
Short-term borrowings $ 791,500,000       $ 746,800,000              
Long-term Debt                        
Other, Current 12,400,000                      
Other, Long-term 16,500,000                      
Other, Total 28,900,000       268,000,000              
Long-term debt, Current 1,065,200,000       22,300,000              
Long-term debt, Long-term 11,759,800,000       9,417,600,000              
Long-term debt, Total 12,825,000,000       9,439,900,000              
Debt instrument, face amount $ 2,500,000,000                      
Unsecured debt [Member]                        
Long-term Debt                        
Percentage of outstanding principal amount as redemption price 100.00%                      
Unsecured debt [Member] | Senior credit facility, Term loan [Member]                        
Long-term Debt                        
Unsecured debt, Current $ 5,000,000                      
Unsecured debt, Long-term 487,800,000                      
Unsecured debt, Total 492,800,000       497,700,000              
Unsecured debt [Member] | Term loan credit facility [Member]                        
Long-term Debt                        
Unsecured debt, Current 50,000,000                      
Unsecured debt, Long-term 1,436,400,000                      
Unsecured debt, Total 1,486,400,000       0              
Debt instrument, face amount 1,500,000,000   $ 1,500,000,000                  
Unsecured debt [Member] | Senior notes [Member]                        
Long-term Debt                        
Unsecured debt, Current 997,800,000                      
Unsecured debt, Long-term 9,819,100,000                      
Unsecured debt, Total 10,816,900,000       8,674,200,000              
Unsecured debt [Member] | U.S. Term A-1 Facility [Member]                        
Long-term Debt                        
Unsecured debt, Total 492,800,000                      
Debt instrument, face amount $ 500,000,000           $ 500,000,000          
Interest rate 4.00%                      
LIBOR margin 1.50%                      
Unsecured debt [Member] | Three-Year Term Facility [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 499,500,000                      
Debt instrument, face amount $ 500,000,000   500,000,000                  
Interest rate 3.60%                      
LIBOR margin 1.13%                      
Unsecured debt [Member] | Five-Year Term Facility [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 986,900,000                      
Debt instrument, face amount $ 1,000,000,000   1,000,000,000                  
Interest rate 3.80%                      
LIBOR margin 1.25%                      
Unsecured debt [Member] | May 2013 Eight Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 498,600,000       498,000,000              
Debt instrument, face amount                       $ 500,000,000
Basis points above adjusted treasury rate 50.00%                      
Coupon rate of notes 3.75%                      
Unsecured debt [Member] | May 2013 Ten Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 1,045,400,000       1,044,400,000              
Debt instrument, face amount                       $ 1,050,000,000
Basis points above adjusted treasury rate 50.00%                      
Coupon rate of notes 4.25%                      
Unsecured debt [Member] | November 2014 Five Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 399,100,000       397,900,000              
Debt instrument, face amount                     $ 400,000,000  
Basis points above adjusted treasury rate 50.00%                      
Coupon rate of notes 3.875%                      
Unsecured debt [Member] | November 2014 Ten Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 396,400,000       395,900,000              
Debt instrument, face amount                     $ 400,000,000  
Basis points above adjusted treasury rate 50.00%                      
Coupon rate of notes 4.75%                      
Unsecured debt [Member] | December 2015 Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 395,800,000       395,300,000              
Debt instrument, face amount                   $ 400,000,000    
Basis points above adjusted treasury rate 50.00%                      
Coupon rate of notes 4.75%                      
Unsecured debt [Member] | December 2016 Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 595,400,000       594,900,000              
Debt instrument, face amount                 $ 600,000,000      
Basis points above adjusted treasury rate 25.00%                      
Coupon rate of notes 3.70%                      
Unsecured debt [Member] | May 2017 Five Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 496,800,000       495,900,000              
Debt instrument, face amount               $ 500,000,000        
Basis points above adjusted treasury rate 15.00%                      
Coupon rate of notes 2.70%                      
Unsecured debt [Member] | May 2017 Ten Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 495,600,000       495,100,000              
Debt instrument, face amount               500,000,000        
Basis points above adjusted treasury rate 20.00%                      
Coupon rate of notes 3.50%                      
Unsecured debt [Member] | May 2017 Thirty Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 492,900,000       492,700,000              
Debt instrument, face amount               $ 500,000,000        
Basis points above adjusted treasury rate 25.00%                      
Coupon rate of notes 4.50%                      
Unsecured debt [Member] | November 2017 Two Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 598,600,000       596,800,000              
Debt instrument, face amount           $ 600,000,000            
Basis points above adjusted treasury rate 10.00%                      
Coupon rate of notes 2.00%                      
Unsecured debt [Member] | November 2017 Three Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 696,800,000       695,000,000              
Debt instrument, face amount           700,000,000            
Basis points above adjusted treasury rate 10.00%                      
Coupon rate of notes 2.25%                      
Unsecured debt [Member] | November 2017 Five Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 693,900,000       692,300,000              
Debt instrument, face amount           $ 700,000,000            
Basis points above adjusted treasury rate 15.00%                      
Coupon rate of notes 2.65%                      
Unsecured debt [Member] | February 2018 Five Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 596,000,000       595,000,000              
Debt instrument, face amount         600,000,000              
Basis points above adjusted treasury rate 13.00%                      
Coupon rate of notes 3.20%                      
Unsecured debt [Member] | February 2018 Ten Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 693,800,000       693,200,000              
Debt instrument, face amount         700,000,000              
Basis points above adjusted treasury rate 15.00%                      
Coupon rate of notes 3.60%                      
Unsecured debt [Member] | February 2018 Thirty Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 592,000,000       591,800,000              
Debt instrument, face amount         600,000,000              
Basis points above adjusted treasury rate 20.00%                      
Coupon rate of notes 4.10%                      
Unsecured debt [Member] | October 2018 Senior Floating Rate Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 646,800,000       0              
Debt instrument, face amount   $ 650,000,000                    
Unsecured debt [Member] | October 2018 Seven Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 495,400,000       0              
Debt instrument, face amount   500,000,000                    
Basis points above adjusted treasury rate 20.00%                      
Coupon rate of notes 4.40%                      
Unsecured debt [Member] | October 2018 Ten Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 494,700,000       0              
Debt instrument, face amount   500,000,000                    
Basis points above adjusted treasury rate 25.00%                      
Coupon rate of notes 4.65%                      
Unsecured debt [Member] | October 2018 Thirty Year Senior Notes [Member]                        
Long-term Debt                        
Unsecured debt, Total $ 492,900,000       0              
Debt instrument, face amount   $ 500,000,000                    
Basis points above adjusted treasury rate 30.00%                      
Coupon rate of notes 4.25%                      
Senior credit facility, Revolving credit loans [Member]                        
Short-term Debt                        
Short-term borrowings $ 59,000,000       79,000,000              
Long-term Debt                        
Debt instrument, face amount $ 2,000,000,000   $ 2,000,000,000 $ 1,500,000,000     $ 1,500,000,000          
Interest rate 3.60%                      
LIBOR margin 1.13%                      
Remaining borrowing capacity $ 1,196,700,000                      
Letters of credit [Member]                        
Long-term Debt                        
Debt instrument, face amount 200,000,000                      
Outstanding letters of credit 10,800,000                      
Commercial paper [Member]                        
Short-term Debt                        
Short-term borrowings 732,500,000       $ 266,900,000              
Long-term Debt                        
Debt instrument, face amount $ 733,500,000                      
Interest rate 3.00%       2.10%              
Other [Member]                        
Short-term Debt                        
Short-term borrowings $ 0       $ 400,900,000