Consolidated Statement of Shareholder's Equity (USD $) In Millions	Total	Capital stock	Additional paid-in capital	Accumulated other comprehensive income	Retained earnings
Balance at Mar. 31, 2012	$ 7,662	$ 915	$ 2	$ 160	$ 6,585
Net income	477	0	0	0	477
Other comprehensive income, net of tax	9	0	0	9	0
Stock-based compensation	0	0	0	0	0
Dividends	0	0	0	0	0
Balance at Jun. 30, 2012	8,148	915	2	169	7,062
Balance at Mar. 31, 2013	7,557	915	2	211	6,429
Net income	91	0	0	0	91
Other comprehensive income, net of tax	(38)	0	0	(38)	0
Dividends	0	0	0	0	0
Balance at Jun. 30, 2013	$ 7,610	$ 915	$ 2	$ 173	$ 6,520