XML 88 R82.htm IDEA: XBRL DOCUMENT
v3.23.3

Credit Quality of Financial Assets and the Allowance for Credit Losses - Summary of Origination Years of Financial Assets (Detail) - JPY (¥) ¥ in Millions | 6 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Mar. 31, 2023
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | ¥ 237 |
One year ago (Gross write-offs) |  | 2,190 |
Two years ago (Gross write-offs) |  | 1,596 |
Three years ago (Gross write-offs) |  | 490 |
Four years ago (Gross write-offs) |  | 560 |
Prior (Gross write-offs) |  | 9,005 |
Total financing receivables |  | 4,933,639 | ¥ 4,743,956
Total financing receivables (Gross write-offs) |  | 14,078 |
Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 782,141 | 1,171,744
One year ago |  | 906,426 | 804,937
Two years ago |  | 716,300 | 551,251
Three years ago |  | 488,689 | 636,069
Four years ago |  | 588,520 | 450,935
Prior |  | 1,208,980 | 903,567
Total financing receivables |  | 4,691,056 | 4,518,503
Non-Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 9,553 | 13,910
One year ago |  | 14,100 | 9,578
Two years ago |  | 17,098 | 10,431
Three years ago |  | 10,103 | 9,258
Four years ago |  | 11,403 | 7,790
Prior |  | 48,916 | 42,641
Total financing receivables |  | 111,173 | 93,608
Consumer borrowers |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 136 |
One year ago (Gross write-offs) |  | 1,770 |
Two years ago (Gross write-offs) |  | 736 |
Three years ago (Gross write-offs) |  | 154 |
Four years ago (Gross write-offs) |  | 103 |
Prior (Gross write-offs) |  | 175 |
Total financing receivables |  | 2,296,276 | 2,299,307
Total financing receivables (Gross write-offs) |  | 3,074 |
Consumer borrowers | Consumer - Real Estate Loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 0 |
Two years ago (Gross write-offs) |  | 0 |
Three years ago (Gross write-offs) |  | 0 |
Four years ago (Gross write-offs) |  | 0 |
Prior (Gross write-offs) |  | 144 |
Total financing receivables |  | 2,042,588 | 2,056,959
Total financing receivables (Gross write-offs) |  | 144 |
Consumer borrowers | Other loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) | [1] | 136 |
One year ago (Gross write-offs) | [1] | 1,770 |
Two years ago (Gross write-offs) | [1] | 736 |
Three years ago (Gross write-offs) | [1] | 154 |
Four years ago (Gross write-offs) | [1] | 103 |
Prior (Gross write-offs) | [1] | 31 |
Total financing receivables |  | 80,546 | 70,713
Total financing receivables (Gross write-offs) | [1] | 2,930 |
Consumer borrowers | Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 187,132 | 300,198
One year ago |  | 228,270 | 200,041
Two years ago |  | 186,944 | 281,872
Three years ago |  | 268,576 | 360,726
Four years ago |  | 349,046 | 293,297
Prior |  | 865,427 | 656,584
Total financing receivables |  | 2,085,395 | 2,092,718
Consumer borrowers | Performing | Consumer - Real Estate Loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 167,178 | 266,663
One year ago |  | 201,748 | 190,076
Two years ago |  | 179,433 | 279,690
Three years ago |  | 267,260 | 359,321
Four years ago |  | 348,336 | 292,388
Prior |  | 864,500 | 655,811
Total financing receivables |  | 2,028,455 | 2,043,949
Consumer borrowers | Performing | Other loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year | [1] | 19,954 | 33,535
One year ago | [1] | 26,522 | 9,965
Two years ago | [1] | 7,511 | 2,182
Three years ago | [1] | 1,316 | 1,405
Four years ago | [1] | 710 | 909
Prior | [1] | 927 | 773
Total financing receivables | [1] | 56,940 | 48,769
Consumer borrowers | Non-Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 6,438 | 10,896
One year ago |  | 9,147 | 5,259
Two years ago |  | 4,076 | 3,140
Three years ago |  | 2,918 | 2,257
Four years ago |  | 1,803 | 1,078
Prior |  | 13,357 | 12,324
Total financing receivables |  | 37,739 | 34,954
Consumer borrowers | Non-Performing | Consumer - Real Estate Loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 4 | 17
One year ago |  | 53 | 81
Two years ago |  | 254 | 378
Three years ago |  | 792 | 474
Four years ago |  | 479 | 239
Prior |  | 12,551 | 11,821
Total financing receivables |  | 14,133 | 13,010
Consumer borrowers | Non-Performing | Other loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year | [1] | 6,434 | 10,879
One year ago | [1] | 9,094 | 5,178
Two years ago | [1] | 3,822 | 2,762
Three years ago | [1] | 2,126 | 1,783
Four years ago | [1] | 1,324 | 839
Prior | [1] | 806 | 503
Total financing receivables | [1] | 23,606 | 21,944
Corporate borrowers |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 101 |
One year ago (Gross write-offs) |  | 4 |
Two years ago (Gross write-offs) |  | 225 |
Three years ago (Gross write-offs) |  | 73 |
Four years ago (Gross write-offs) |  | 112 |
Prior (Gross write-offs) |  | 1,643 |
Total financing receivables |  | 1,471,574 | 1,357,086
Total financing receivables (Gross write-offs) |  | 2,158 |
Corporate borrowers | Non-recourse Loans | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 0 |
Two years ago (Gross write-offs) |  | 0 |
Three years ago (Gross write-offs) |  | 0 |
Four years ago (Gross write-offs) |  | 0 |
Prior (Gross write-offs) |  | 0 |
Total financing receivables |  | 103,685 | 124,499
Total financing receivables (Gross write-offs) |  | 0 |
Corporate borrowers | Non-recourse Loans | The Americas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 0 |
Two years ago (Gross write-offs) |  | 0 |
Three years ago (Gross write-offs) |  | 0 |
Four years ago (Gross write-offs) |  | 0 |
Prior (Gross write-offs) |  | 0 |
Total financing receivables |  | 43,350 | 38,654
Total financing receivables (Gross write-offs) |  | 0 |
Corporate borrowers | Real estate companies in Japan | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 0 |
Two years ago (Gross write-offs) |  | 0 |
Three years ago (Gross write-offs) |  | 0 |
Four years ago (Gross write-offs) |  | 4 |
Prior (Gross write-offs) |  | 0 |
Total financing receivables |  | 320,155 | 296,228
Total financing receivables (Gross write-offs) |  | 4 |
Corporate borrowers | Real estate companies in overseas | Overseas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 0 |
Two years ago (Gross write-offs) |  | 0 |
Three years ago (Gross write-offs) |  | 0 |
Four years ago (Gross write-offs) |  | 0 |
Prior (Gross write-offs) |  | 0 |
Total financing receivables |  | 59,825 | 79,645
Total financing receivables (Gross write-offs) |  | 0 |
Corporate borrowers | Commercial, industrial and other companies in Japan | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 1 |
Two years ago (Gross write-offs) |  | 0 |
Three years ago (Gross write-offs) |  | 0 |
Four years ago (Gross write-offs) |  | 22 |
Prior (Gross write-offs) |  | 0 |
Total financing receivables |  | 256,094 | 160,530
Total financing receivables (Gross write-offs) |  | 23 |
Corporate borrowers | Commercial, industrial and other companies in overseas | Overseas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 101 |
One year ago (Gross write-offs) |  | 3 |
Two years ago (Gross write-offs) |  | 225 |
Three years ago (Gross write-offs) |  | 73 |
Four years ago (Gross write-offs) |  | 86 |
Prior (Gross write-offs) |  | 1,643 |
Total financing receivables |  | 688,465 | 657,530
Total financing receivables (Gross write-offs) |  | 2,131 |
Corporate borrowers | Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 309,556 | 427,902
One year ago |  | 302,774 | 346,629
Two years ago |  | 320,807 | 127,984
Three years ago |  | 109,252 | 171,314
Four years ago |  | 160,645 | 103,628
Prior |  | 218,685 | 139,503
Total financing receivables |  | 1,421,719 | 1,316,960
Corporate borrowers | Performing | Non-recourse Loans | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 25,529 | 65,874
One year ago |  | 30,596 | 17,831
Two years ago |  | 11,504 | 6,699
Three years ago |  | 6,707 | 22,384
Four years ago |  | 22,058 | 4,158
Prior |  | 7,291 | 7,553
Total financing receivables |  | 103,685 | 124,499
Corporate borrowers | Performing | Non-recourse Loans | The Americas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 0 | 2,901
One year ago |  | 5,734 | 706
Two years ago |  | 1,800 | 5,217
Three years ago |  | 147 | 15,153
Four years ago |  | 19,679 | 10,595
Prior |  | 12,365 | 834
Total financing receivables |  | 39,725 | 35,406
Corporate borrowers | Performing | Real estate companies in Japan | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 78,728 | 124,452
One year ago |  | 89,599 | 43,210
Two years ago |  | 36,194 | 30,996
Three years ago |  | 26,002 | 27,022
Four years ago |  | 25,098 | 22,251
Prior |  | 62,824 | 46,222
Total financing receivables |  | 318,445 | 294,153
Corporate borrowers | Performing | Real estate companies in overseas | Overseas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 1,907 | 34,508
One year ago |  | 18,799 | 12,639
Two years ago |  | 11,665 | 9,091
Three years ago |  | 3,604 | 6,998
Four years ago |  | 4,644 | 1,627
Prior |  | 3,946 | 1,165
Total financing receivables |  | 44,565 | 66,028
Corporate borrowers | Performing | Commercial, industrial and other companies in Japan | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 139,480 | 76,764
One year ago |  | 48,159 | 27,327
Two years ago |  | 22,640 | 16,743
Three years ago |  | 14,258 | 17,003
Four years ago |  | 12,861 | 8,383
Prior |  | 17,647 | 12,878
Total financing receivables |  | 255,045 | 159,098
Corporate borrowers | Performing | Commercial, industrial and other companies in overseas | Overseas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 63,912 | 123,403
One year ago |  | 109,887 | 244,916
Two years ago |  | 237,004 | 59,238
Three years ago |  | 58,534 | 82,754
Four years ago |  | 76,305 | 56,614
Prior |  | 114,612 | 70,851
Total financing receivables |  | 660,254 | 637,776
Corporate borrowers | Non-Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 87 | 257
One year ago |  | 478 | 793
Two years ago |  | 9,344 | 5,485
Three years ago |  | 5,509 | 4,959
Four years ago |  | 7,843 | 4,624
Prior |  | 26,594 | 24,008
Total financing receivables |  | 49,855 | 40,126
Corporate borrowers | Non-Performing | Non-recourse Loans | The Americas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 0 | 0
One year ago |  | 69 | 0
Two years ago |  | 0 | 0
Three years ago |  | 0 | 0
Four years ago |  | 0 | 0
Prior |  | 3,556 | 3,248
Total financing receivables |  | 3,625 | 3,248
Corporate borrowers | Non-Performing | Real estate companies in Japan | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 0 | 0
One year ago |  | 3 | 230
Two years ago |  | 0 | 0
Three years ago |  | 0 | 913
Four years ago |  | 834 | 9
Prior |  | 873 | 923
Total financing receivables |  | 1,710 | 2,075
Corporate borrowers | Non-Performing | Real estate companies in overseas | Overseas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 0 | 0
One year ago |  | 18 | 0
Two years ago |  | 543 | 741
Three years ago |  | 508 | 0
Four years ago |  | 1,750 | 813
Prior |  | 12,441 | 12,063
Total financing receivables |  | 15,260 | 13,617
Corporate borrowers | Non-Performing | Commercial, industrial and other companies in Japan | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 0 | 125
One year ago |  | 121 | 80
Two years ago |  | 76 | 431
Three years ago |  | 208 | 264
Four years ago |  | 196 | 133
Prior |  | 448 | 399
Total financing receivables |  | 1,049 | 1,432
Corporate borrowers | Non-Performing | Commercial, industrial and other companies in overseas | Overseas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 87 | 132
One year ago |  | 267 | 483
Two years ago |  | 8,725 | 4,313
Three years ago |  | 4,793 | 3,782
Four years ago |  | 5,063 | 3,669
Prior |  | 9,276 | 7,375
Total financing receivables |  | 28,211 | 19,754
Purchased loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 409 |
Two years ago (Gross write-offs) |  | 226 |
Three years ago (Gross write-offs) |  | 29 |
Four years ago (Gross write-offs) |  | 206 |
Prior (Gross write-offs) |  | 6,742 |
Total financing receivables (Gross write-offs) |  | 7,612 |
Purchased loans | Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 0 | 26
One year ago |  | 27 | 396
Two years ago |  | 596 | 0
Three years ago |  | 199 | 21
Four years ago |  | 69 | 406
Prior |  | 9,390 | 10,385
Total financing receivables |  | 10,281 | 11,234
Purchased loans | Non-Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 0 | 0
One year ago |  | 0 | 0
Two years ago |  | 0 | 0
Three years ago |  | 0 | 0
Four years ago |  | 12 | 0
Prior |  | 1,109 | 1,021
Total financing receivables |  | 1,121 | 1,021
Net investment in leases |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 7 |
Two years ago (Gross write-offs) |  | 409 |
Three years ago (Gross write-offs) |  | 234 |
Four years ago (Gross write-offs) |  | 139 |
Prior (Gross write-offs) |  | 445 |
Total financing receivables |  | 1,165,789 | 1,087,563
Total financing receivables (Gross write-offs) |  | 1,234 |
Net investment in leases | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 5 |
Two years ago (Gross write-offs) |  | 36 |
Three years ago (Gross write-offs) |  | 52 |
Four years ago (Gross write-offs) |  | 80 |
Prior (Gross write-offs) |  | 327 |
Total financing receivables |  | 639,433 | 632,120
Total financing receivables (Gross write-offs) |  | 500 |
Net investment in leases | Overseas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 2 |
Two years ago (Gross write-offs) |  | 373 |
Three years ago (Gross write-offs) |  | 182 |
Four years ago (Gross write-offs) |  | 59 |
Prior (Gross write-offs) |  | 118 |
Total financing receivables |  | 526,356 | 455,443
Total financing receivables (Gross write-offs) |  | 734 |
Net investment in leases | Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 282,112 | 440,421
One year ago |  | 372,170 | 257,871
Two years ago |  | 207,953 | 139,306
Three years ago |  | 108,800 | 103,726
Four years ago |  | 78,472 | 53,604
Prior |  | 95,566 | 75,794
Total financing receivables |  | 1,145,073 | 1,070,722
Net investment in leases | Performing | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 115,467 | 193,297
One year ago |  | 165,315 | 136,285
Two years ago |  | 118,882 | 99,739
Three years ago |  | 83,911 | 80,542
Four years ago |  | 62,476 | 44,853
Prior |  | 88,499 | 72,295
Total financing receivables |  | 634,550 | 627,011
Net investment in leases | Performing | Overseas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 166,645 | 247,124
One year ago |  | 206,855 | 121,586
Two years ago |  | 89,071 | 39,567
Three years ago |  | 24,889 | 23,184
Four years ago |  | 15,996 | 8,751
Prior |  | 7,067 | 3,499
Total financing receivables |  | 510,523 | 443,711
Net investment in leases | Non-Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 3,028 | 2,757
One year ago |  | 4,475 | 3,228
Two years ago |  | 3,346 | 1,806
Three years ago |  | 1,676 | 2,042
Four years ago |  | 1,745 | 1,720
Prior |  | 6,446 | 5,288
Total financing receivables |  | 20,716 | 16,841
Net investment in leases | Non-Performing | Japan |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 24 | 212
One year ago |  | 380 | 660
Two years ago |  | 764 | 658
Three years ago |  | 720 | 798
Four years ago |  | 742 | 811
Prior |  | 2,253 | 1,970
Total financing receivables |  | 4,883 | 5,109
Net investment in leases | Non-Performing | Overseas |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 3,004 | 2,545
One year ago |  | 4,095 | 2,568
Two years ago |  | 2,582 | 1,148
Three years ago |  | 956 | 1,244
Four years ago |  | 1,003 | 909
Prior |  | 4,193 | 3,318
Total financing receivables |  | 15,833 | 11,732
Other financial assets measured at amortized cost |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year (Gross write-offs) |  | 0 |
One year ago (Gross write-offs) |  | 0 |
Two years ago (Gross write-offs) |  | 0 |
Three years ago (Gross write-offs) |  | 0 |
Four years ago (Gross write-offs) |  | 0 |
Prior (Gross write-offs) |  | 0 |
Total financing receivables (Gross write-offs) |  | 0 |
Other financial assets measured at amortized cost | Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 3,341 | 3,197
One year ago |  | 3,185 | 0
Two years ago |  | 0 | 2,089
Three years ago |  | 1,862 | 282
Four years ago |  | 288 | 0
Prior |  | 19,912 | 21,301
Total financing receivables |  | 28,588 | 26,869
Other financial assets measured at amortized cost | Non-Performing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Current fiscal year |  | 0 | 0
One year ago |  | 0 | 298
Two years ago |  | 332 | 0
Three years ago |  | 0 | 0
Four years ago |  | 0 | 368
Prior |  | 1,410 | 0
Total financing receivables |  | ¥ 1,742 | ¥ 666
[1] | Other in loans to consumer borrowers includes claims receivable arising from payments on guarantee of consumer loans. For further information, see Note 24 “Commitments, Guarantees and Contingent Liabilities.”

X
- Definition Financing receivable allowance for credit loss write-off excluding revolving repayment card loans. + References No definition available. + Details
Name: | ck0001070304_FinancingReceivableAllowanceForCreditLossWriteoffExcludingRevolvingRepaymentCardLoans
Namespace Prefix: | ck0001070304_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated four years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearOneOriginatedCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated in fiscal year before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-80 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) -Publisher SEC Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) -Publisher SEC Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph (a) -Publisher SEC Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-14 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7A -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_ConsumerRealEstateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_OtherConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ck0001070304_CorporatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_NonRecourseLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_JP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_AmericasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_RealEstateCompaniesInJapanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_RealEstateCompaniesInOverseasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=ck0001070304_OverseasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_CommercialIndustrialAndOtherCompaniesInJapanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ck0001070304_CommercialIndustrialAndOtherCompaniesInOverseasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ck0001070304_PurchasedLoanPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ck0001070304_NetInvestmentInLeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ck0001070304_OtherFinancialAssetsAtAmortisedCostMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |