Stock-Based Compensation - Schedule Of Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Millions	9 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares
Options (in thousands)
Options, outstanding, beginning balance (in shares) | shares	121
Options, granted (in shares) | shares	2
Options, exercised (in shares) | shares	(90)
Options, outstanding, ending balance (in shares) | shares	33
Options, vested and expected to vest (in shares) | shares	33
Options, exercisable (in shares) | shares	33
Weighted- Average Exercise Prices
Weighted-average exercise price of options outstanding, beginning balance (in dollars per share) | $ / shares	$ 40.43
Weighted-average exercise price of options granted during period (in dollars per share) | $ / shares	128.90
Weighted-average exercise price of options exercised during the period (in dollars per share) | $ / shares	39.28
Weighted-average exercise price of options outstanding, ending balance (in dollars per share) | $ / shares	50.31
Weighted-average exercise price of options vested and expected to vest (in dollars per share) | $ / shares	50.31
Weighted-average exercise price of options exercisable (in dollars per share) | $ / shares	$ 50.31
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Weighted-average remaining contractual term of options outstanding	2 years 7 months 13 days
Weighted-average remaining contractual term of options vested and expected to vest	2 years 7 months 13 days
Weighted-average remaining contractual term of options exercisable	2 years 7 months 13 days
Aggregate intrinsic value of options outstanding | $	$ 3
Aggregate intrinsic value of options vested and expected to vest | $	3
Aggregate intrinsic value of options exercisable | $	$ 3