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, 2013	$ 7,557	$ 915	$ 2	$ 211	$ 6,429
Net income	335				335
Other comprehensive income (loss), net of tax	(13)			(13)
Dividends	(665)				(665)
Balance at Sep. 30, 2013	7,214	915	2	198	6,099
Balance at Mar. 31, 2014	7,738	915	2	200	6,621
Net income	655				655
Other comprehensive income (loss), net of tax	8			8
Dividends	(435)				(435)
Balance at Sep. 30, 2014	$ 7,966	$ 915	$ 2	$ 208	$ 6,841