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Combined and Condensed Information Related to Affiliates (Detail) (JPY ¥) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2012
Operations: |  |  |
Total revenues | ¥ 1,076,506 | ¥ 827,740 | ¥ 945,635
Income before income taxes | 136,760 | 97,301 | 74,223
Net income | 90,262 | 64,699 | 51,940
Financial position: |  |  |
Total assets | 5,710,165 | 5,237,184 | 4,561,537
Total liabilities | 4,560,504 | 4,031,673 | 3,508,038
Total equity | ¥ 1,149,661 | ¥ 1,205,511 | ¥ 1,053,499

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