| Summary of Financing Arrangements |
The following table summarizes the carrying amount of our borrowings under various financing arrangements: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (in millions) | | Carrying Amount | | Type of Borrowing | | Issue Date | | Maturity Date | | Interest Rate | | December 31, 2025 | | December 31, 2024 | | Senior Unsecured | | November 2014 | | February 2025 | | 3.50% | | $ | — | | | $ | 1,750 | | | Senior Unsecured | | September 2015 | | March 2026 | | 3.65% | | 2,750 | | | 2,747 | | | Senior Unsecured | | September 2016 | | March 2027 | | 2.95% | | 1,249 | | | 1,249 | | | Senior Unsecured | | September 2020 | | October 2027 | | 1.20% | | 749 | | | 748 | | | Senior Unsecured | | November 2024 | | November 2029 | | 4.80% | | 747 | | | 746 | | | Senior Unsecured | | September 2020 | | October 2030 | | 1.65% | | 996 | | | 995 | | | Senior Unsecured | | September 2023 | | October 2033 | | 5.25% | | 994 | | | 993 | | | Senior Unsecured | | November 2024 | | June 2035 | | 5.10% | | 992 | | | 991 | | | Senior Unsecured | | September 2015 | | September 2035 | | 4.60% | | 994 | | | 994 | | | Senior Unsecured | | September 2016 | | September 2036 | | 4.00% | | 744 | | | 744 | | | Senior Unsecured | | September 2020 | | October 2040 | | 2.60% | | 990 | | | 989 | | | Senior Unsecured | | December 2011 | | December 2041 | | 5.65% | | 997 | | | 997 | | | Senior Unsecured | | March 2014 | | April 2044 | | 4.80% | | 1,738 | | | 1,738 | | | Senior Unsecured | | November 2014 | | February 2045 | | 4.50% | | 1,736 | | | 1,735 | | | Senior Unsecured | | September 2015 | | March 2046 | | 4.75% | | 2,225 | | | 2,224 | | | Senior Unsecured | | September 2016 | | March 2047 | | 4.15% | | 1,731 | | | 1,730 | | | Senior Unsecured | | September 2020 | | October 2050 | | 2.80% | | 1,480 | | | 1,479 | | | Senior Unsecured | | September 2023 | | October 2053 | | 5.55% | | 989 | | | 988 | | | Senior Unsecured | | November 2024 | | November 2054 | | 5.50% | | 989 | | | 989 | | | Senior Unsecured | | November 2024 | | November 2064 | | 5.60% | | 739 | | | 738 | | | Total senior unsecured notes | | 23,827 | | | 25,562 | | | Liability related to future royalties | | 1,110 | | | 1,148 | | | Total debt, net | | 24,937 | | | 26,710 | | | Less: Current portion of long-term debt, net | | 2,807 | | | 1,815 | | | Total Long-term debt, net | | $ | 22,129 | | | $ | 24,896 | |
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| Summary of Contractual Maturities of Financing Obligations |
The following table summarizes the aggregate future principal maturities of our senior unsecured notes as of December 31, 2025: | | | | | | | | | | (in millions) | | Amount | | 2026 | | $ | 2,750 | | | 2027 | | 2,000 | | | 2028 | | — | | | 2029 | | 750 | | | 2030 | | 1,000 | | | Thereafter | | 17,500 | | | Total | | $ | 24,000 | |
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