v3.25.4
Financing arrangements - Schedule of Borrowings (Details)
$ in Millions
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2025
GBP (£)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
Mar. 31, 2023
USD ($)
Debt Instrument [Line Items]            
Unamortized bond discounts, premiums and issuance costs, net $ (1,306)     $ (1,360)    
Fair value adjustments (161)     (343)    
Other 27     24    
Total carrying value of debt 54,604     60,099    
Less current portion (4,599)     (3,550)    
Total long-term debt 50,005     56,549    
Notes            
Debt Instrument [Line Items]            
Principal Amount           $ 24,000
Total principal amount of debt 56,044     61,778    
Total carrying value of debt $ 52,800     58,300    
1.90% notes due 2025 (1.90% 2025 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 1.90% 1.90% 1.90%      
Total principal amount of debt       500    
5.25% notes due 2025 (5.25% 2025 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.25% 5.25% 5.25%      
Principal Amount           2,000
Total principal amount of debt       2,000    
3.125% notes due 2025 (3.125% 2025 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 3.125% 3.125% 3.125%      
Total principal amount of debt $ 0     1,000    
2.00% €750 million notes due 2026 (2.00% 2026 euro Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 2.00% 2.00% 2.00%      
Principal Amount | €   € 750,000,000        
Total principal amount of debt $ 881     777    
5.507% notes due 2026 (5.507% 2026 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.507% 5.507% 5.507%      
Principal Amount           1,500
Total principal amount of debt $ 0     1,500    
2.60% notes due 2026 (2.60% 2026 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 2.60% 2.60% 2.60%      
Total principal amount of debt $ 1,250     1,250    
Term loan due October 2026 | Secured Debt            
Debt Instrument [Line Items]            
Total principal amount of debt $ 1,800     1,800    
5.50% £475 million notes due 2026 (5.50% 2026 pound sterling Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.50% 5.50% 5.50%      
Principal Amount | £     £ 475,000,000      
Total principal amount of debt $ 640     595    
2.20% notes due 2027 (2.20% 2027 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 2.20% 2.20% 2.20%      
Total principal amount of debt $ 1,724     1,724    
3.20% notes due 2027 (3.20% 2027 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 3.20% 3.20% 3.20%      
Total principal amount of debt $ 1,000     1,000    
5.15% notes due 2028 (5.15% 2028 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.15% 5.15% 5.15%      
Principal Amount           3,750
Total principal amount of debt $ 3,750     3,750    
1.65% notes due in 2028 (1.65% 2028 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 1.65% 1.65% 1.65%      
Total principal amount of debt $ 1,234     1,234    
3.00% notes due 2029 (3.00% 2029 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 3.00% 3.00% 3.00%      
Total principal amount of debt $ 750     750    
4.05% notes due 2029 (4.05% 2029 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.05% 4.05% 4.05%      
Total principal amount of debt $ 1,250     1,250    
4.00% £700 million notes due 2029 (4.00% 2029 pound sterling Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.00% 4.00% 4.00%      
Principal Amount | £     £ 700,000,000      
Total principal amount of debt $ 944     876    
2.45% notes due 2030 (2.45% 2030 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 2.45% 2.45% 2.45%      
Total principal amount of debt $ 1,250     1,250    
5.25% notes due 2030 (5.25% 2030 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.25% 5.25% 5.25%      
Principal Amount           2,750
Total principal amount of debt $ 2,750     2,750    
2.30% notes due 2031 (2.30% 2031 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 2.30% 2.30% 2.30%      
Total principal amount of debt $ 1,250     1,250    
2.00% notes due 2032 (2.00% 2032 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 2.00% 2.00% 2.00%   2.00%  
Total principal amount of debt $ 987     1,001    
3.35% notes due 2032 (3.35% 2032 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 3.35% 3.35% 3.35%      
Total principal amount of debt $ 1,000     1,000    
4.20% notes due 2033 (4.20% 2033 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.20% 4.20% 4.20%      
Total principal amount of debt $ 750     750    
5.25% notes due 2033 (5.25% 2033 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.25% 5.25% 5.25%      
Principal Amount           4,250
Total principal amount of debt $ 4,250     4,250    
6.375% notes due 2037 (6.375% 2037 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 6.375% 6.375% 6.375%      
Total principal amount of debt $ 478     478    
6.90% notes due 2038 (6.90% 2038 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 6.90% 6.90% 6.90%      
Total principal amount of debt $ 254     254    
6.40% notes due 2039 (6.40% 2039 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 6.40% 6.40% 6.40%      
Total principal amount of debt $ 333     $ 333    
3.15% notes due 2040 (3.15% 2040 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 3.15% 3.15% 3.15% 3.15% 3.15%  
Total principal amount of debt $ 1,478     $ 1,668    
5.75% notes due 2040 (5.75% 2040 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.75% 5.75% 5.75%      
Total principal amount of debt $ 373     $ 373    
2.80% notes due 2041 (2.80% 2041 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 2.80% 2.80% 2.80% 2.80% 2.80%  
Total principal amount of debt $ 568     $ 776    
4.95% notes due 2041 (4.95% 2041 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.95% 4.95% 4.95%      
Total principal amount of debt $ 600     600    
5.15% notes due 2041 (5.15% 2041 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.15% 5.15% 5.15%      
Total principal amount of debt $ 729     729    
5.65% notes due 2042 (5.65% 2042 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.65% 5.65% 5.65%      
Total principal amount of debt $ 415     415    
5.60% notes due 2043 (5.60% 2043 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.60% 5.60% 5.60%      
Principal Amount           2,750
Total principal amount of debt $ 2,750     2,750    
5.375% notes due 2043 (5.375% 2043 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.375% 5.375% 5.375%      
Total principal amount of debt $ 185     185    
4.40% notes due 2045 (4.40% 2045 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.40% 4.40% 4.40%      
Total principal amount of debt $ 2,250     2,250    
4.563% notes due 2048 (4.563% 2048 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.563% 4.563% 4.563%      
Total principal amount of debt $ 1,415     $ 1,415    
3.375% notes due 2050 (3.375% 2050 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 3.375% 3.375% 3.375% 3.375% 3.375%  
Total principal amount of debt $ 1,462     $ 1,764    
4.663% notes due 2051 (4.663% 2051 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.663% 4.663% 4.663%      
Total principal amount of debt $ 3,541     $ 3,541    
3.00% notes due 2052 (3.00% 2052 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 3.00% 3.00% 3.00% 3.00% 3.00%  
Total principal amount of debt $ 703     $ 890    
4.20% notes due 2052 (4.20% 2052 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.20% 4.20% 4.20% 4.20% 4.20%  
Total principal amount of debt $ 882     $ 895    
4.875% notes due 2053 (4.875% 2053 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.875% 4.875% 4.875%      
Total principal amount of debt $ 1,000     1,000    
5.65% notes due 2053 (5.65% 2053 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.65% 5.65% 5.65%      
Principal Amount           4,250
Total principal amount of debt $ 4,250     4,250    
2.77% notes due 2053 (2.77% 2053 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 2.77% 2.77% 2.77%      
Total principal amount of debt $ 940     $ 940    
4.40% notes due 2062 (4.40% 2062 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.40% 4.40% 4.40% 4.40% 4.40%  
Total principal amount of debt $ 1,128     $ 1,165    
5.75% notes due 2063 (5.75% 2063 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.75% 5.75% 5.75%      
Principal Amount           $ 2,750
Total principal amount of debt $ 2,750     2,750    
Other notes due 2097 | Notes            
Debt Instrument [Line Items]            
Total principal amount of debt $ 100     $ 100