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	921	0	0	0	921
Other comprehensive income (loss), net of tax	9	0	0	9	0
Balance at Jun. 30, 2021	16,525	915	2	17	15,591
Balance at Mar. 31, 2022	18,101	915	2	(21)	17,205
Net income	170	0	0	0	170
Other comprehensive income (loss), net of tax	(26)	0	0	(26)	0
Balance at Jun. 30, 2022	$ 18,245	$ 915	$ 2	$ (47)	$ 17,375