v3.24.2
Debt - Carrying Values of Debt Instruments (Details) - USD ($)
Jun. 30, 2024
Dec. 31, 2023
Oct. 31, 2023
Mar. 31, 2023
Jan. 31, 2022
Aug. 31, 2021
Debt Instrument [Line Items]            
Long-term debt, gross and lease obligation $ 13,093,900,000 $ 12,949,100,000        
Adjustments (134,200,000) (129,700,000)        
Total Debt 12,959,700,000 12,819,400,000        
Less: current portion (1,432,900,000) (932,300,000)        
Long-term portion 11,526,800,000 11,887,100,000        
Credit facilities: Uncommitted Credit Facility            
Debt Instrument [Line Items]            
Maximum borrowing capacity         $ 200,000,000.0  
Principal 0 0        
Adjustments 0 0        
Carrying Value 0 0        
Credit facilities: August 2026            
Debt Instrument [Line Items]            
Principal 182,700,000 297,100,000        
Adjustments 0 0        
Carrying Value 182,700,000 297,100,000        
Credit facilities: August 2026 | Line of Credit            
Debt Instrument [Line Items]            
Maximum borrowing capacity     $ 3,500,000,000     $ 3,000,000,000.0
Credit facilities: Term Loan            
Debt Instrument [Line Items]            
Principal 0 500,000,000.0        
Adjustments 0 0        
Carrying Value 0 500,000,000.0        
Credit facilities: Commercial Paper Facility            
Debt Instrument [Line Items]            
Maximum borrowing capacity 1,500,000,000          
Principal 180,000,000.0 496,000,000.0        
Adjustments (100,000) (700,000)        
Carrying Value $ 179,900,000 495,300,000        
Senior notes: August 2024            
Debt Instrument [Line Items]            
Interest Rate 2.50%          
Principal $ 900,000,000.0 900,000,000.0        
Adjustments (200,000) (1,200,000)        
Carrying Value $ 899,800,000 898,800,000        
Senior notes: March 2025            
Debt Instrument [Line Items]            
Interest Rate 3.20%          
Principal $ 500,000,000.0 500,000,000.0        
Adjustments (500,000) (900,000)        
Carrying Value $ 499,500,000 499,100,000        
Senior notes: November 2025            
Debt Instrument [Line Items]            
Interest Rate 0.875%          
Principal $ 350,000,000.0 350,000,000.0        
Adjustments (900,000) (1,200,000)        
Carrying Value $ 349,100,000 348,800,000        
Senior notes: July 2026            
Debt Instrument [Line Items]            
Interest Rate 2.90%          
Principal $ 500,000,000.0 500,000,000.0        
Adjustments (1,300,000) (1,600,000)        
Carrying Value $ 498,700,000 498,400,000        
Senior notes: November 2027            
Debt Instrument [Line Items]            
Interest Rate 3.375%          
Principal $ 650,000,000.0 650,000,000.0        
Adjustments (2,100,000) (2,500,000)        
Carrying Value $ 647,900,000 647,500,000        
Senior notes: May 2028            
Debt Instrument [Line Items]            
Interest Rate 3.95%          
Principal $ 800,000,000.0 800,000,000.0        
Adjustments (8,000,000.0) (8,900,000)        
Carrying Value $ 792,000,000.0 $ 791,100,000        
Senior notes: April 2029            
Debt Instrument [Line Items]            
Interest Rate 4.875% 4.875%   4.875%    
Principal $ 750,000,000.0 $ 750,000,000.0        
Adjustments (7,000,000.0) (6,900,000)        
Carrying Value $ 743,000,000.0 743,100,000        
Senior notes: November 2029            
Debt Instrument [Line Items]            
Interest Rate 5.00%          
Principal $ 400,000,000.0 0        
Adjustments (3,800,000) 0        
Carrying Value $ 396,200,000 0        
Senior notes: March 2030            
Debt Instrument [Line Items]            
Interest Rate 2.30%          
Principal $ 600,000,000.0 600,000,000.0        
Adjustments (4,200,000) (4,500,000)        
Carrying Value $ 595,800,000 595,500,000        
Senior notes: February 2031            
Debt Instrument [Line Items]            
Interest Rate 1.45%          
Principal $ 650,000,000.0 650,000,000.0        
Adjustments (5,800,000) (6,200,000)        
Carrying Value $ 644,200,000 643,800,000        
Senior notes: February 2032            
Debt Instrument [Line Items]            
Interest Rate 1.75%          
Principal $ 750,000,000.0 750,000,000.0        
Adjustments (5,100,000) (5,400,000)        
Carrying Value $ 744,900,000 744,600,000        
Senior notes: March 2033            
Debt Instrument [Line Items]            
Interest Rate 2.375%          
Principal $ 700,000,000.0 700,000,000.0        
Adjustments (6,200,000) (6,500,000)        
Carrying Value $ 693,800,000 $ 693,500,000        
Senior notes: December 2033            
Debt Instrument [Line Items]            
Interest Rate 5.00% 5.00%        
Principal $ 650,000,000.0 $ 650,000,000.0        
Adjustments (9,500,000) (8,900,000)        
Carrying Value $ 640,500,000 641,100,000        
Senior notes: April 2034            
Debt Instrument [Line Items]            
Interest Rate 5.00%     5.00%    
Principal $ 800,000,000.0 800,000,000.0   $ 800,000,000.0    
Adjustments (10,300,000) (10,700,000)        
Carrying Value $ 789,700,000 789,300,000        
Senior notes: November 2034            
Debt Instrument [Line Items]            
Interest Rate 5.20%          
Principal $ 500,000,000.0 0        
Adjustments (5,600,000) 0        
Carrying Value $ 494,400,000 0        
Senior notes: March 2035            
Debt Instrument [Line Items]            
Interest Rate 6.086%          
Principal $ 181,900,000 181,900,000        
Adjustments (11,200,000) (11,500,000)        
Carrying Value $ 170,700,000 170,400,000        
Senior notes: March 2040            
Debt Instrument [Line Items]            
Interest Rate 6.20%          
Principal $ 399,900,000 399,900,000        
Adjustments (3,200,000) (3,300,000)        
Carrying Value $ 396,700,000 396,600,000        
Senior notes: May 2041            
Debt Instrument [Line Items]            
Interest Rate 5.70%          
Principal $ 385,700,000 385,700,000        
Adjustments (4,600,000) (4,700,000)        
Carrying Value $ 381,100,000 381,000,000.0        
Senior notes: March 2050            
Debt Instrument [Line Items]            
Interest Rate 3.05%          
Principal $ 400,000,000.0 400,000,000.0        
Adjustments (6,700,000) (6,800,000)        
Carrying Value $ 393,300,000 393,200,000        
Debentures: September 2035            
Debt Instrument [Line Items]            
Interest Rate 7.40%          
Principal $ 148,100,000 148,100,000        
Adjustments (28,200,000) (28,800,000)        
Carrying Value 119,900,000 119,300,000        
Tax-exempt            
Debt Instrument [Line Items]            
Principal 1,439,100,000 1,289,100,000        
Adjustments (9,700,000) (8,500,000)        
Carrying Value $ 1,429,400,000 1,280,600,000        
Tax-exempt | Minimum            
Debt Instrument [Line Items]            
Interest Rate 3.50%          
Tax-exempt | Maximum            
Debt Instrument [Line Items]            
Interest Rate 4.375%          
Finance leases            
Debt Instrument [Line Items]            
Finance leases $ 276,500,000 $ 251,300,000        
Finance leases | Minimum            
Debt Instrument [Line Items]            
Interest Rate 0.81%          
Finance leases | Maximum            
Debt Instrument [Line Items]            
Interest Rate 9.75%