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	857				857
Other comprehensive income (loss), net of tax	(11)			(11)
Dividends	(665)				(665)
Balance at Mar. 31, 2014	7,738	915	2	200	6,621
Net income	1,197				1,197
Other comprehensive income (loss), net of tax	20			20
Dividends	(435)				(435)
Balance at Mar. 31, 2015	8,520	915	2	220	7,383
Net income	932				932
Other comprehensive income (loss), net of tax	(55)			(55)
Balance at Mar. 31, 2016	$ 9,397	$ 915	$ 2	$ 165	$ 8,315