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v3.24.1.1.u2

Short-Term and Long-Term Debt (Composition of Long-Term Debt, Weighted Average Contract Interest Rate on Long-Term Debt and Repayment Due Dates) (Detail) - JPY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Debt Instrument [Line Items] |  |
Long-term Debt | ¥ 5,626,376 | ¥ 5,209,723
Weighted average rate | 2.70% | 2.40%
Fixed rate, Banks |  |
Debt Instrument [Line Items] |  |
Long-term Debt | ¥ 777,366 | ¥ 666,764
Weighted average rate | 1.60% | 1.60%
Minimum maturity date | 2025 | 2025
Maximum maturity date | 2083 | 2083
Floating rate, Banks |  |
Debt Instrument [Line Items] |  |
Long-term Debt | ¥ 2,587,324 | ¥ 2,448,488
Weighted average rate | 3.40% | 2.80%
Minimum maturity date | 2025 | 2024
Maximum maturity date | 2077 | 2077
Fixed rate, Insurance companies and others |  |
Debt Instrument [Line Items] |  |
Long-term Debt | ¥ 352,035 | ¥ 323,653
Weighted average rate | 0.60% | 0.80%
Minimum maturity date | 2029 | 2025
Maximum maturity date | 2083 | 2083
Floating rate, Insurance companies and others |  |
Debt Instrument [Line Items] |  |
Long-term Debt | ¥ 271,029 | ¥ 295,625
Weighted average rate | 2.40% | 2.00%
Minimum maturity date | 2029 | 2026
Maximum maturity date | 2077 | 2077
Unsecured bonds |  |
Debt Instrument [Line Items] |  |
Long-term Debt | ¥ 1,208,672 | ¥ 1,175,087
Weighted average rate | 2.00% | 2.00%
Minimum maturity date | 2026 | 2024
Maximum maturity date | 2081 | 2081
Unsecured notes under medium-term note program |  |
Debt Instrument [Line Items] |  |
Long-term Debt | ¥ 272,064 | ¥ 149,535
Weighted average rate | 3.80% | 3.70%
Minimum maturity date | 2028 | 2025
Maximum maturity date | 2030 | 2029
Payables under securitized loan receivables and investment in securities |  |
Debt Instrument [Line Items] |  |
Long-term Debt | ¥ 157,886 | ¥ 150,571
Weighted average rate | 6.00% | 5.50%
Minimum maturity date | 2025 | 2024
Maximum maturity date | 2044 | 2051

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