v3.26.1
Debt - Schedule of Long-term Debt (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Long-term debt, gross $ 19,102 $ 19,149
Less: Unamortized discount and debt issuance costs (117) (122)
Less: Cumulative hedge accounting fair value adjustment (25) (27)
Total debt outstanding 18,960 19,000
Less: short-term debt (1,748) (749)
Long-term debt 17,212 18,251
Senior Notes | Floating Rate March 2028 Notes    
Debt Instrument [Line Items]    
Long-term debt, gross $ 300 300
Debt instrument, basis spread on variable rate 0.44%  
Senior Notes | 4.550% March 2028 Notes    
Debt Instrument [Line Items]    
Stated interest rate 4.55%  
Long-term debt, gross $ 450 450
Effective interest rate 4.727%  
Senior Notes | March 2032 Notes    
Debt Instrument [Line Items]    
Stated interest rate 4.95%  
Long-term debt, gross $ 500 500
Effective interest rate 5.063%  
Senior Notes | January 2028 Notes    
Debt Instrument [Line Items]    
Stated interest rate 4.10%  
Long-term debt, gross $ 750 750
Effective interest rate 4.262%  
Senior Notes | January 2032 Notes    
Debt Instrument [Line Items]    
Stated interest rate 4.35%  
Long-term debt, gross $ 1,150 1,150
Effective interest rate 4.446%  
Senior Notes | January 2035 Notes    
Debt Instrument [Line Items]    
Stated interest rate 4.55%  
Long-term debt, gross $ 1,100 1,100
Effective interest rate 4.633%  
Senior Notes | May 2034 Notes    
Debt Instrument [Line Items]    
Stated interest rate 4.875%  
Long-term debt, gross $ 1,000 1,000
Effective interest rate 5.047%  
Senior Notes | 4.875% March 2028 Notes    
Debt Instrument [Line Items]    
Stated interest rate 4.875%  
Long-term debt, gross $ 750 750
Effective interest rate 5.003%  
Senior Notes | March 2033 Notes    
Debt Instrument [Line Items]    
Stated interest rate 4.85%  
Long-term debt, gross $ 750 750
Effective interest rate 4.923%  
Senior Notes | February 2029 Notes    
Debt Instrument [Line Items]    
Stated interest rate 1.00%  
Long-term debt, gross $ 861 882
Effective interest rate 1.138%  
Senior Notes | November 2031 Notes    
Debt Instrument [Line Items]    
Stated interest rate 2.00%  
Long-term debt, gross $ 750 750
Effective interest rate 2.112%  
Senior Notes | March 2031 Notes    
Debt Instrument [Line Items]    
Stated interest rate 1.90%  
Long-term debt, gross $ 600 600
Effective interest rate 1.981%  
Senior Notes | March 2051 Notes    
Debt Instrument [Line Items]    
Stated interest rate 2.95%  
Long-term debt, gross $ 700 700
Effective interest rate 3.013%  
Senior Notes | 2027 Notes    
Debt Instrument [Line Items]    
Stated interest rate 3.30%  
Long-term debt, gross $ 1,000 1,000
Effective interest rate 3.42%  
Senior Notes | 2030 Notes    
Debt Instrument [Line Items]    
Stated interest rate 3.35%  
Long-term debt, gross $ 1,500 1,500
Effective interest rate 3.43%  
Senior Notes | Senior Notes Due March 2050    
Debt Instrument [Line Items]    
Stated interest rate 3.85%  
Long-term debt, gross $ 1,500 1,500
Effective interest rate 3.896%  
Senior Notes | 2029 Notes    
Debt Instrument [Line Items]    
Stated interest rate 2.95%  
Long-term debt, gross $ 1,000 1,000
Effective interest rate 3.03%  
Senior Notes | 2049 Notes    
Debt Instrument [Line Items]    
Stated interest rate 3.65%  
Long-term debt, gross $ 1,000 1,000
Effective interest rate 3.689%  
Senior Notes | 2028 Notes    
Debt Instrument [Line Items]    
Stated interest rate 3.50%  
Long-term debt, gross $ 500 500
Effective interest rate 3.598%  
Senior Notes | 2048 Notes    
Debt Instrument [Line Items]    
Stated interest rate 3.95%  
Long-term debt, gross $ 500 500
Effective interest rate 3.99%  
Senior Notes | 2026 Notes    
Debt Instrument [Line Items]    
Stated interest rate 2.95%  
Long-term debt, gross $ 750 750
Effective interest rate 3.044%  
Senior Notes | 2046 Notes    
Debt Instrument [Line Items]    
Stated interest rate 3.80%  
Long-term debt, gross $ 600 600
Effective interest rate 3.893%  
Senior Notes | 2.1% Notes due 2027    
Debt Instrument [Line Items]    
Stated interest rate 2.10%  
Long-term debt, gross $ 919 941
Effective interest rate 2.189%  
Senior Notes | 2.5% Notes due 2030    
Debt Instrument [Line Items]    
Stated interest rate 2.50%  
Long-term debt, gross $ 172 $ 176
Effective interest rate 2.562%