Quarterly report pursuant to Section 13 or 15(d)

DEBT AND FINANCING ARRANGEMENTS - Carrying Value of Outstanding Debt (Details)

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DEBT AND FINANCING ARRANGEMENTS - Carrying Value of Outstanding Debt (Details)
Sep. 30, 2024
USD ($)
Sep. 03, 2024
USD ($)
May 22, 2024
USD ($)
May 21, 2024
USD ($)
May 21, 2024
CAD ($)
Dec. 31, 2023
USD ($)
Debt Instrument [Line Items]            
Principal Amount $ 22,139,000,000          
Finance lease obligations (see note 10) 439,000,000         $ 472,000,000
Total debt 21,930,000,000         22,264,000,000
Less: current maturities (1,606,000,000)         (3,348,000,000)
Long-term debt $ 20,324,000,000         18,916,000,000
Senior notes | 2.800% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 2.80%          
Principal Amount $ 500,000,000          
Long-term debt $ 500,000,000         499,000,000
Senior notes | 2.200% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 2.20%          
Principal Amount $ 0 $ 400,000,000        
Long-term debt $ 0         400,000,000
Senior notes | 3.900% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 3.90%          
Principal Amount $ 1,000,000,000          
Long-term debt $ 999,000,000         999,000,000
Senior notes | 2.400% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 2.40%          
Principal Amount $ 500,000,000          
Long-term debt $ 499,000,000         499,000,000
Senior notes | 3.050% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 3.05%          
Principal Amount $ 1,000,000,000          
Long-term debt $ 997,000,000         996,000,000
Senior notes | 3.400% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 3.40%          
Principal Amount $ 750,000,000          
Long-term debt $ 748,000,000         747,000,000
Senior notes | 2.500% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 2.50%          
Principal Amount $ 400,000,000          
Long-term debt $ 398,000,000         398,000,000
Senior notes | 4.450% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 4.45%          
Principal Amount $ 750,000,000          
Long-term debt $ 746,000,000         745,000,000
Senior notes | 4.875% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 4.875%          
Principal Amount $ 900,000,000          
Long-term debt $ 895,000,000         894,000,000
Senior notes | 5.150% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 5.15%   5.15%      
Principal Amount $ 900,000,000   $ 900,000,000      
Long-term debt $ 893,000,000         0
Senior notes | 6.200% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 6.20%          
Principal Amount $ 1,500,000,000          
Long-term debt $ 1,486,000,000         1,485,000,000
Senior notes | 5.200% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 5.20%          
Principal Amount $ 500,000,000          
Long-term debt $ 494,000,000         494,000,000
Senior notes | 4.875% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 4.875%          
Principal Amount $ 500,000,000          
Long-term debt $ 491,000,000         491,000,000
Senior notes | 3.625% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 3.625%          
Principal Amount $ 375,000,000          
Long-term debt $ 369,000,000         369,000,000
Senior notes | 3.400% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 3.40%          
Principal Amount $ 500,000,000          
Long-term debt $ 492,000,000         492,000,000
Senior notes | 3.750% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 3.75%          
Principal Amount $ 1,150,000,000          
Long-term debt $ 1,138,000,000         1,138,000,000
Senior notes | 4.250% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 4.25%          
Principal Amount $ 750,000,000          
Long-term debt $ 743,000,000         743,000,000
Senior notes | 3.400% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 3.40%          
Principal Amount $ 700,000,000          
Long-term debt $ 689,000,000         689,000,000
Senior notes | 5.300% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 5.30%          
Principal Amount $ 1,250,000,000          
Long-term debt $ 1,232,000,000         1,232,000,000
Senior notes | 5.050% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 5.05%          
Principal Amount $ 1,100,000,000          
Long-term debt $ 1,083,000,000         1,083,000,000
Senior notes | 5.500% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 5.50%   5.50%      
Principal Amount $ 1,100,000,000   $ 1,100,000,000      
Long-term debt $ 1,087,000,000         0
Senior notes | 5.600% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 5.60%   5.60%      
Principal Amount $ 600,000,000   $ 600,000,000      
Long-term debt 590,000,000         0
Senior notes | Floating-rate senior notes            
Debt Instrument [Line Items]            
Principal Amount 1,775,000,000          
Long-term debt $ 1,755,000,000         1,545,000,000
Senior notes | 7.620% debentures            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 7.62%          
Principal Amount $ 276,000,000          
Long-term debt $ 279,000,000         280,000,000
Pound Sterling notes | 5.500% notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 5.50%          
Principal Amount $ 89,000,000          
Long-term debt $ 88,000,000         84,000,000
Pound Sterling notes | 5.125% notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 5.125%          
Principal Amount $ 608,000,000          
Long-term debt $ 578,000,000         550,000,000
Euro Senior Notes | 1.625% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 1.625%          
Principal Amount $ 783,000,000          
Long-term debt $ 783,000,000         774,000,000
Euro Senior Notes | 1.000% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 1.00%          
Principal Amount $ 560,000,000          
Long-term debt $ 558,000,000         551,000,000
Euro Senior Notes | 1.500% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 1.50%          
Principal Amount $ 560,000,000          
Long-term debt $ 557,000,000         551,000,000
Canadian Senior Notes | 2.125% senior notes            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate 2.125%     2.125% 2.125%  
Principal Amount $ 0     $ 550,000,000 $ 750,000,000  
Long-term debt 0         566,000,000
Facility notes and bonds            
Debt Instrument [Line Items]            
Principal Amount 320,000,000          
Long-term debt 320,000,000         320,000,000
Other debt            
Debt Instrument [Line Items]            
Principal Amount 4,000,000          
Long-term debt 4,000,000         6,000,000
Commercial Paper            
Debt Instrument [Line Items]            
Principal Amount 0          
Short-term debt $ 0         $ 2,172,000,000