Short-Term and Long-Term Debt (Tables)

12 Months Ended

Mar. 31, 2011

Short-Term and Long-Term Debt (Tables) [Abstract]

Short-term debt

					Thousands of
	Millions of yen				U.S. dollars
	2011		2010		2011
Banks, insurance companies and other financial institutions	¥	130,308	¥	92,438	$	1,569,976
Commercial paper		—		31,000		—
Short-term debt	¥	130,308	¥	123,438	$	1,569,976

Long-term debt

	Millions of yen						U.S. dollars
	2011			2010			2011
Long-term debt with collateral (Note 9):
Banks, insurance companies and other financial institutions,	¥	—		¥	50		$	—
Long-term debt without collateral:
Banks, insurance companies and other financial institutions, maturing serially through 2011-2025, weighted-average rate 3.3%		217,554			228,311			2,621,132
Euro Medium-Term Notes maturing serially through 2011-2015, weighted-average rate 1.0%		55,167			68,142			664,663
1.66% Unsecured Bonds due 2012		20,000			20,000			240,964
0.85% Unsecured Bonds due 2012		10,000			10,000			120,482
1.53% Unsecured Bonds due 2013		30,000			30,000			361,446
1.19% Unsecured Bonds due 2014		30,000			30,000			361,446
Capital lease obligations (Note 16)		48,526			72,951			584,650
Other		2,513			3,487			30,277
Total		413,760			462,941			4,985,060
Less: current maturities		(122,608	)		(105,956	)		(1,477,205	)
Long-term debt	¥	291,152		¥	356,985		$	3,507,855

Maturities of long-term debt

Year ending March 31	Millions of yen
2012	¥	115,699
2013		121,955
2014		93,510
2015		55,526
2016		18,264
2017 and thereafter		484
Total	¥	405,438