Trade Notes and Accounts Receivable [Tables]

12 Months Ended

Mar. 31, 2011

Trade Notes and Accounts Receivable (Tables) [Abstract]

Receivables

							Thousands of
	Millions of yen						U.S. dollars
	2011			2010			2011
Trade notes	¥	84,372		¥	82,954		$	1,016,530
Accounts receivable		461,132			379,680			5,555,807
Total		545,504			462,634			6,572,337
Long-term trade receivables		186,316			150,972			2,244,771
Total trade receivables		731,820			613,606			8,817,108
Less: total allowance		(15,793	)		(14,941	)		(190,277	)
Net trade receivables	¥	716,027		¥	598,665		$	8,626,831

Allowance for Credit losses of financing receivables

				Thousands of
	Millions of yen			U.S. dollars
	2011			2011
Balance at March 31, 2010	¥	7,550		$	90,964
Provision		2,277			27,433
Charge-offs		(1,855	)		(22,349	)
Other		(498	)		(6,000	)
Balance at March 31, 2011	¥	7,474		$	90,048

Lease receivables

							Thousands of
	Millions of yen						U.S. dollars
	2011			2010			2011
Minimum lease payments receivable	¥	209,723		¥	166,983		$	2,526,783
Unearned income		(20,035	)		(16,078	)		(241,385	)
Net lease receivables	¥	189,688		¥	150,905			2,285,398

Components of securitized trade receivables and other assets managed

						Thousands of
	Millions of yen					U.S. dollars
	2011		2010			2011
Total amount of trade receivables that are managed and securitized	¥	731,820	¥	635,610		$	8,817,108
Assets transferred		—		(22,004	)		—
Total amount of trade receivable on balance sheet	¥	731,820	¥	613,606		$	8,817,108

Fair value of retained interests related to securitization transactions

	2010
Weighted-average life	23 months
Prepayment speed over the life		0.6	%
Expected credit losses over the life		5.6	%