v3.25.2
Debt (Tables)
 12 Months Ended
Mar. 31, 2025
Debt Disclosure [Abstract]  
Schedule of Outstanding Debt Net of Discounts and Fees, Weighted Average Contractual Interest Rates and Range of Contractual Interest Rates
The Company issues debt in various currencies with both floating and fixed interest rates. Outstanding debt net of discounts and fees, weighted average contractual interest rates and range of contractual interest rates were as follows:
Weighted average
contractual interest rate (1)
Contractual
interest rate ranges
March 31,March 31,March 31,
202520242025202420252024
(U.S. dollars in millions)
Unsecured debt:
Commercial paper$6,022 $5,293 4.36 %5.64 %
2.73 - 4.70%
5.02 - 5.70%
Related party debt1,800 — 4.59 %— %
4.59 - 4.60%
— - —%
Bank loans2,100 1,804 4.56 %6.05 %
3.59 - 5.27%
5.68 - 6.57%
Public MTN program37,153 31,151 4.02 %3.58 %
0.30 - 5.85%
0.30 - 6.06%
Other debt3,088 3,318 3.53 %3.59 %
1.34 - 5.73%
1.34 - 6.40%
Total unsecured debt50,163 41,566 
Secured debt12,384 9,351 4.77 %4.56 %
0.88 - 5.87%
0.27 - 5.94%
Total debt
$62,547 $50,917 
_______________________
(1)Weighted average contractual interest rates for commercial paper are bond equivalent yields. Contractual interest rates approximate effective yields.
Scheduled and Projected Maturities of Debt
The Company’s secured debt is amortizing, and unsecured debt is non-amortizing. Scheduled and projected maturities of the Company’s debt at March 31, 2025 are summarized below:

20262027202820292030ThereafterTotal
(U.S. dollars in millions)
Unsecured debt:
Commercial paper$6,060 $— $— $— $— $— $6,060 
Related party debt1,800 — — — — — 1,800 
Bank loans1,028 743 174 — 156 — 2,101 
Public MTN program9,375 8,706 6,307 4,947 1,250 6,653 37,238 
Other debt869 417 904 556 348 — 3,094 
Total unsecured debt19,132 9,866 7,385 5,503 1,754 6,653 50,293 
Secured debt (1)
6,289 3,981 1,874 258 — — 12,402 
Total debt (2)
$25,421 $13,847 $9,259 $5,761 $1,754 $6,653 $62,695 
Unamortized discounts/fees(148)
Total debt, net$62,547 
________________________
(1)Projected repayment schedule of secured debt. Reflects payment performance assumptions on underlying assets.
(2)Principal amounts.