v3.25.2
Derivative Instruments (Tables)
12 Months Ended
Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Notional Balances and Fair Values of Derivatives
The notional balances and fair values of the Company’s derivatives are presented below. The derivative instruments are presented on a gross basis in the Company’s consolidated balance sheets. Refer to Note 13 regarding the valuation of derivative instruments.
March 31,
20252024
Notional
balances
AssetsLiabilitiesNotional
balances
AssetsLiabilities
(U.S. dollars in millions)
Interest rate swaps$73,058 $338 $676 $64,146 $714 $881 
Cross currency swaps8,225 51 444 5,755 29 591 
Gross derivative assets/liabilities389 1,120 743 1,472 
Collateral posted/held43 — 
Counterparty netting adjustment(429)(429)(701)(701)
Net derivative assets/liabilities$$691 $43 $780 
Income Statement Impact of Derivative Instruments
The income statement impact of derivative instruments is presented below. There were no derivative instruments designated as part of a hedge accounting relationship during the periods presented.
Years ended March 31,
202520242023
(U.S. dollars in millions)
Interest rate swaps$(52)$132 $113 
Cross currency swaps(120)(151)(810)
Total loss on derivative instruments$(172)$(19)$(697)