v3.26.1
Debt (Tables)
 3 Months Ended
Jun. 30, 2026
Debt Disclosure [Abstract]  
Summary of Outstanding Debt, Weighted Average Contractual Interest Rates and Range of Contractual Interest Rates
The Company issues debt in various currencies with floating or fixed interest rates. Outstanding debt, net of discounts and fees, and weighted average contractual interest rates were as follows:
 
Weighted average
contractual interest rate (1)
June 30, 2026March 31, 2026June 30, 2026March 31, 2026
(U.S. dollars in millions)
Unsecured debt:
Commercial paper$5,638 $2,929 3.83 %3.64 %
Bank loans2,355 2,382 3.73 %3.73 %
Public MTN Program39,084 40,726 4.01 %3.91 %
Other debt3,199 3,407 3.76 %3.74 %
Total unsecured debt50,276 49,444 
Secured debt14,908 15,344 4.29 %4.33 %
Total debt$65,184 $64,788 
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(1)Weighted average contractual interest rates for commercial paper are bond equivalent yields. Contractual interest rates approximate effective yields. Weighted average contractual interest rate of short-term debt was 3.83% and 3.77% as of June 30, 2026 and March 31, 2026, respectively.