Other Investments (Tables)

12 Months Ended

Mar. 31, 2011

Other Investments

Schedule of Cost, Fair Value, and Gross Unrealized Holding Gains and Losses for Securities

(¥ in millions)
	2011								2010
At March 31:	Cost		Fair Value		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses		Cost		Fair Value		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses
Other investments:
Available-for-sale:
Equity securities of financial institutions	¥	25,525	¥	34,839	¥	10,403	¥	1,089	¥	24,422	¥	44,186	¥	19,775	¥	11
Other equity securities		14,883		55,634		40,793		42		16,080		54,985		38,946		41
	¥	40,408	¥	90,473	¥	51,196	¥	1,131	¥	40,502	¥	99,171	¥	58,721	¥	52

Schedule of Gross Unrealized Losses on, and Related Fair Value of Available-For-Sale Securities

(¥ in millions)
	2011								2010
	Less than 12 months				12 months or longer				Less than 12 months				12 months or longer
At March 31:	Fair Value		Gross Unrealized Holding Losses		Fair Value		Gross Unrealized Holding Losses		Fair Value		Gross Unrealized Holding Losses		Fair Value		Gross Unrealized Holding Losses
Other investments:
Available-for-sale:
Equity securities of financial institutions	¥	9,283	¥	1,089	¥	—	¥	—	¥	22	¥	11	¥	—	¥	—
Other equity securities		625		42		—		—		700		41		—		—
	¥	9,908	¥	1,131	¥	—	¥	—	¥	722	¥	52	¥	—	¥	—

Schedule of Sales of Available-For-Sale Securities and Gross Realized Gains and Losses

(¥ in millions)
For the years ended March 31:	2011		2010		2009
Proceeds from sales of available-for-sale securities	¥	6,188	¥	3,588	¥	182
Gross realized gains		4,843		1,821		20
Gross realized losses		—		—		(132	)