v3.26.1
Financing arrangements - Schedule of Borrowings (Details)
Jun. 30, 2026
EUR (€)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
GBP (£)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2025
Debt Instrument [Line Items]            
Principal amount       $ 4,000,000,000.0    
Unamortized bond discounts, premiums and issuance costs, net   $ (1,317,000,000)     $ (1,306,000,000)  
Fair value adjustments   (217,000,000)     (161,000,000)  
Other   24,000,000     27,000,000  
Total carrying value of debt   57,304,000,000     54,604,000,000  
Less current portion   (5,445,000,000)     (4,599,000,000)  
Total long-term debt   51,859,000,000     50,005,000,000  
Notes            
Debt Instrument [Line Items]            
Total principal amount of debt   58,814,000,000     56,044,000,000  
Total carrying value of debt   $ 55,500,000,000     52,800,000,000  
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   $ 0     881,000,000  
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   $ 1,250,000,000     1,250,000,000  
Term loan due October 2026 | Secured Debt            
Debt Instrument [Line Items]            
Total principal amount of debt   $ 1,800,000,000     1,800,000,000  
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   $ 630,000,000     640,000,000  
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   $ 1,724,000,000     1,724,000,000  
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   $ 1,000,000,000     1,000,000,000  
5.15% notes due 2028 (5.15% 2028 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.15% 5.15% 5.15%      
Total principal amount of debt   $ 3,750,000,000     3,750,000,000  
1.65% notes due 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   $ 1,234,000,000     1,234,000,000  
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   $ 750,000,000     750,000,000  
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   $ 1,250,000,000     1,250,000,000  
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   $ 928,000,000     944,000,000  
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   $ 1,250,000,000     1,250,000,000  
5.25% notes due 2030 (5.25% 2030 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.25% 5.25% 5.25%      
Total principal amount of debt   $ 2,750,000,000     2,750,000,000  
4.20% notes due 2031 (4.20% 2031 Notes)            
Debt Instrument [Line Items]            
Interest rate, stated percentage       4.20%    
Principal amount       $ 1,000,000,000.0    
4.20% notes due 2031 (4.20% 2031 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.20% 4.20% 4.20%      
Total principal amount of debt   $ 1,000,000,000     0  
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   $ 1,250,000,000     1,250,000,000  
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   $ 987,000,000     987,000,000  
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   $ 1,000,000,000     1,000,000,000  
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   $ 750,000,000     750,000,000  
5.25% notes due 2033 (5.25% 2033 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.25% 5.25% 5.25%      
Total principal amount of debt   $ 4,250,000,000     4,250,000,000  
4.85% notes due 2036 (4.85% 2036 Notes)            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.85% 4.85% 4.85% 4.85%    
Principal amount       $ 1,750,000,000    
4.85% notes due 2036 (4.85% 2036 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 4.85% 4.85% 4.85%      
Total principal amount of debt   $ 1,750,000,000     0  
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   $ 478,000,000     478,000,000  
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   $ 254,000,000     254,000,000  
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   $ 333,000,000     333,000,000  
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%
Total principal amount of debt   $ 1,478,000,000     1,478,000,000  
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   $ 373,000,000     373,000,000  
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%
Total principal amount of debt   $ 543,000,000     568,000,000  
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   $ 600,000,000     600,000,000  
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   $ 729,000,000     729,000,000  
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   $ 415,000,000     415,000,000  
5.60% notes due 2043 (5.60% 2043 Notes)            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.60% 5.60% 5.60%      
5.60% notes due 2043 (5.60% 2043 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.60% 5.60% 5.60%      
Total principal amount of debt   $ 2,750,000,000     2,750,000,000  
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   $ 185,000,000     185,000,000  
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   $ 2,250,000,000     2,250,000,000  
5.50% notes due 2046 (5.50% 2046 Notes)            
Debt Instrument [Line Items]            
Interest rate, stated percentage       5.50%    
Principal amount       $ 500,000,000    
5.50% notes due 2046 (5.50% 2046 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.50% 5.50% 5.50%      
Total principal amount of debt   $ 500,000,000     0  
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   $ 1,415,000,000     1,415,000,000  
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%
Total principal amount of debt   $ 1,269,000,000     1,462,000,000  
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   $ 3,541,000,000     3,541,000,000  
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%
Total principal amount of debt   $ 598,000,000     703,000,000  
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%
Total principal amount of debt   $ 882,000,000     882,000,000  
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   $ 1,000,000,000     1,000,000,000  
5.65% notes due 2053 (5.65% 2053 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.65% 5.65% 5.65%      
Total principal amount of debt   $ 4,250,000,000     4,250,000,000  
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   $ 940,000,000     940,000,000  
5.65% notes due 2056 (5.65% 2056 Notes)            
Debt Instrument [Line Items]            
Interest rate, stated percentage       5.65%    
Principal amount       $ 750,000,000    
5.65% notes due 2056 (5.65% 2056 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.65% 5.65% 5.65%      
Total principal amount of debt   $ 750,000,000     0  
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%
Total principal amount of debt   $ 1,128,000,000     1,128,000,000  
5.75% notes due 2063 (5.75% 2063 Notes) | Notes            
Debt Instrument [Line Items]            
Interest rate, stated percentage 5.75% 5.75% 5.75%      
Total principal amount of debt   $ 2,750,000,000     2,750,000,000  
Other notes due 2097 | Notes            
Debt Instrument [Line Items]            
Total principal amount of debt   $ 100,000,000     $ 100,000,000