XML 61 R49.htm IDEA: XBRL DOCUMENT v3.25.3
Debt - Carrying Values of Debt Instruments (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Debt Instrument [Line Items]        
Finance leases and other $ 400 $ 315    
Long-term debt, gross and lease obligation 13,407 12,840    
Adjustments (133) (127)    
Total Debt 13,274 12,713    
Less: current portion (921) (862)    
Long-term portion 12,353 11,851    
Credit facilities: Uncommitted Credit Facility        
Debt Instrument [Line Items]        
Principal 68 0    
Adjustments 0 0    
Carrying Value 68 0    
Credit facilities: The Credit Facility        
Debt Instrument [Line Items]        
Principal 147 514    
Adjustments 0 0    
Carrying Value 147 514    
Credit facilities: Commercial Paper Facility        
Debt Instrument [Line Items]        
Principal 598 477    
Adjustments 0 0    
Carrying Value $ 598 477    
Senior notes: March 2025        
Debt Instrument [Line Items]        
Interest Rate 3.20%      
Principal $ 0 500    
Adjustments 0 0    
Carrying Value $ 0 500    
Senior notes: November 2025        
Debt Instrument [Line Items]        
Interest Rate 0.875%      
Principal $ 350 350    
Adjustments 0 0    
Carrying Value $ 350 350    
Senior notes: July 2026        
Debt Instrument [Line Items]        
Interest Rate 2.90%      
Principal $ 500 500    
Adjustments (1) (1)    
Carrying Value $ 499 499    
Senior notes: November 2027        
Debt Instrument [Line Items]        
Interest Rate 3.375%      
Principal $ 650 650    
Adjustments (1) (2)    
Carrying Value $ 649 648    
Senior notes: May 2028        
Debt Instrument [Line Items]        
Interest Rate 3.95%      
Principal $ 800 800    
Adjustments (6) (7)    
Carrying Value $ 794 793    
Senior notes: April 2029        
Debt Instrument [Line Items]        
Interest Rate 4.875%      
Principal $ 750 750    
Adjustments (5) (6)    
Carrying Value $ 745 744    
Senior notes: November 2029        
Debt Instrument [Line Items]        
Interest Rate 5.00%      
Principal $ 400 400 $ 400  
Adjustments (3) (4)    
Carrying Value $ 397 396    
Senior notes: March 2030        
Debt Instrument [Line Items]        
Interest Rate 2.30%      
Principal $ 600 600    
Adjustments (3) (4)    
Carrying Value $ 597 596    
Senior notes: July 2030        
Debt Instrument [Line Items]        
Interest Rate 4.75%      
Principal $ 500 0   $ 500
Adjustments (6) 0    
Carrying Value $ 494 0    
Senior notes: February 2031        
Debt Instrument [Line Items]        
Interest Rate 1.45%      
Principal $ 650 650    
Adjustments (5) (5)    
Carrying Value $ 645 645    
Senior notes: February 2032        
Debt Instrument [Line Items]        
Interest Rate 1.75%      
Principal $ 750 750    
Adjustments (4) (5)    
Carrying Value $ 746 745    
Senior notes: March 2033        
Debt Instrument [Line Items]        
Interest Rate 2.375%      
Principal $ 700 700    
Adjustments (5) (6)    
Carrying Value $ 695 694    
Senior notes: December 2033        
Debt Instrument [Line Items]        
Interest Rate 5.00%      
Principal $ 650 650    
Adjustments (8) (9)    
Carrying Value $ 642 641    
Senior notes: April 2034        
Debt Instrument [Line Items]        
Interest Rate 5.00%      
Principal $ 800 800    
Adjustments (9) (10)    
Carrying Value $ 791 790    
Senior notes: November 2034        
Debt Instrument [Line Items]        
Interest Rate 5.20%      
Principal $ 500 500 $ 500  
Adjustments (6) (6)    
Carrying Value $ 494 494    
Senior notes: March 2035        
Debt Instrument [Line Items]        
Interest Rate 6.086%      
Principal $ 182 182    
Adjustments (10) (11)    
Carrying Value $ 172 171    
Senior notes: March 2035        
Debt Instrument [Line Items]        
Interest Rate 5.15%      
Principal $ 700 0   $ 700
Adjustments (11) 0    
Carrying Value $ 689 0    
Senior notes: March 2040        
Debt Instrument [Line Items]        
Interest Rate 6.20%      
Principal $ 400 400    
Adjustments (3) (3)    
Carrying Value $ 397 397    
Senior notes: May 2041        
Debt Instrument [Line Items]        
Interest Rate 5.70%      
Principal $ 386 386    
Adjustments (5) (5)    
Carrying Value $ 381 381    
Senior notes: March 2050        
Debt Instrument [Line Items]        
Interest Rate 3.05%      
Principal $ 400 400    
Adjustments (7) (7)    
Carrying Value $ 393 393    
Debentures: September 2035        
Debt Instrument [Line Items]        
Interest Rate 7.40%      
Principal $ 148 148    
Adjustments (26) (27)    
Carrying Value 122 121    
Tax-exempt        
Debt Instrument [Line Items]        
Principal 1,378 1,418    
Adjustments (9) (9)    
Carrying Value $ 1,369 $ 1,409    
Tax-exempt | Minimum        
Debt Instrument [Line Items]        
Interest Rate 3.20%      
Tax-exempt | Maximum        
Debt Instrument [Line Items]        
Interest Rate 4.375%      
Finance leases | Minimum        
Debt Instrument [Line Items]        
Interest Rate 1.726%      
Finance leases | Maximum        
Debt Instrument [Line Items]        
Interest Rate 9.75%