Consolidated Statements of Shareholder's Equity - USD ($) $ in Millions	Total	Capital stock	Additional paid-in capital	Accumulated other comprehensive income (loss)	Retained earnings
Balance at Mar. 31, 2021	$ 15,595	$ 915	$ 2	$ 8	$ 14,670
Net income	2,535	0	0	0	2,535
Other comprehensive loss, net of tax	(29)	0	0	(29)	0
Balance at Mar. 31, 2022	18,101	915	2	(21)	17,205
Net income	979	0	0	0	979
Other comprehensive loss, net of tax	(36)	0	0	(36)	0
Dividends	(2,535)	0	0	0	(2,535)
Balance at Mar. 31, 2023	16,509	915	2	(57)	15,649
Net income	1,460	0	0	0	1,460
Other comprehensive loss, net of tax	(8)	0	0	(8)	0
Dividends	(979)	0	0	0	(979)
Balance at Mar. 31, 2024	$ 16,982	$ 915	$ 2	$ (65)	$ 16,130