Financial Instruments (Details) $ in Millions	3 Months Ended
	Jun. 30, 2025 USD ($)
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost and Fair Value, Maturity, Allocated and Single Maturity Date, Year One	$ 75
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five	28
Debt Securities, Available-for-Sale, Unrealized Gain (Loss)	(1)
Fair Value, one to five years	$ 27