Stockholders' Equity (Deficit) - Narrative (Details) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Jul. 31, 2023 $ / shares	Jun. 30, 2023 $ / shares	Mar. 31, 2024 USD ($) vote $ / shares	Mar. 31, 2023 USD ($) $ / shares	Mar. 31, 2022 $ / shares
Stockholders' Equity Note [Abstract]
Number of votes per share of common stock permitted on proposals presented to stockholders (vote) | vote			1
Cash dividends declared per common share (in dollars per share) | $ / shares	$ 0.62	$ 0.54	$ 2.40	$ 2.09	$ 1.83
Excise taxes | $			$ 25	$ 0