Fair Value (Tables)

12 Months Ended

Mar. 31, 2011

Mar. 31, 2010

Fair Value

Estimated Fair Values of Financial Instruments

	Yen (millions)
	2011						2010
	Carrying amount			Fair value			Carrying amount			Fair value
Non-derivatives:
Assets:
Other investments and advances		409,938			410,023			454,313			454,516
Liabilities:
Long-term debt, including current portion		(1,535,858	)		(1,548,251	)		(1,236,052	)		(1,250,048	)
Derivatives:
Other current assets:
Forward:
To sell foreign currencies		1,420			1,420			3,511			3,511
To buy foreign currencies		451			451			5,494			5,494
Cross currency swaps		—			—			—			—
Interest rate swaps		0			0			23			23
Commodity futures:
To sell commodity		—			—			—			—
To buy commodity		20,390			20,390			12,561			12,561
Other current liabilities:
Forward:
To sell foreign currencies		(4,536	)		(4,536	)		(2,390	)		(2,390	)
To buy foreign currencies		(3,286	)		(3,286	)		(1,888	)		(1,888	)
Cross currency swaps		(462	)		(462	)		(283	)		(283	)
Commodity futures:
To sell commodity		(5,333	)		(5,333	)		(4,576	)		(4,576	)
To buy commodity		—			—			—			—

Assets and Liabilities Measured at Fair Value on Recurring Basis

	Yen (millions)
	2011
	Level 1			Level 2			Level 3		Total
Assets:
Available-for-sale securities:
Equity securities		313,813			—			—		313,813
Corporate and government bonds		—			2,201			—		2,201
Other debt securities		—			546			—		546
Total available-for-sale securities		313,813			2,747			—		316,560
Derivatives:
Foreign exchange contracts		—			1,871			—		1,871
Interest rate swaps		—			0			—		0
Commodity futures		18,564			1,826			—		20,390
Total derivatives		18,564			3,697			—		22,261
Total		332,377			6,444			—		338,821
Liabilities:
Derivatives:
Foreign exchange contracts		—			(7,822	)		—		(7,822	)
Cross currency swaps		—			(462	)		—		(462	)
Commodity futures		(2,427	)		(2,906	)		—		(5,333	)
Total derivatives		(2,427	)		(11,190	)		—		(13,617	)
Total		(2,427	)		(11,190	)		—		(13,617	)

	Yen (millions)
	2010
	Level 1			Level 2			Level 3		Total
Assets:
Available-for-sale securities:
Equity securities		379,358			—			—		379,358
Corporate and government bonds		—			3,961			—		3,961
Other debt securities		—			585			—		585
Total available-for-sale securities		379,358			4,546			—		383,904
Derivatives:
Foreign exchange contracts		—			9,005			—		9,005
Interest rate swaps		—			23			—		23
Commodity futures		12,561			—			—		12,561
Total derivatives		12,561			9,028			—		21,589
Total		391,919			13,574			—		405,493
Liabilities:
Derivatives:
Foreign exchange contracts		—			(4,278	)		—		(4,278	)
Cross currency swaps		—			(283	)		—		(283	)
Commodity futures		(3,345	)		(1,231	)		—		(4,576	)
Total derivatives		(3,345	)		(5,792	)		—		(9,137	)
Total		(3,345	)		(5,792	)		—		(9,137	)

Assets and Liabilities Measured at Fair Value on Nonrecurring Basis

	Yen (millions)
	2011
	Total  gains (losses)			Fair value
				Level 1		Level 2		Level 3		Total
Assets:
Investments in associated companies		(8,318	)		23,196		—		2,933		26,129
Long-lived assets		(34,692	)		—		—		31,114		31,114

	Yen (millions)
	2010
	Total  gains (losses)			Fair value
				Level 1		Level 2		Level 3		Total
Assets:
Investments in associated companies		(3,605	)		1,058		—		1,980		3,038
Long-lived assets		(79,259	)		—		—		27,800		27,800
Goodwill		(3,745	)		—		—		0		0