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LOANS, NET (Details 2) - PEN (S/) S/ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  |  |  | S/ 4,416,692 | [1] | S/ 4,032,219 |
Write-offs |  |  |  | (1,426,201) |  | (1,612,138) |
Balances at the end of the period |  | S/ 5,314,340 |  | 4,943,008 | [1] | 4,416,692 | [1]
Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the end of the period | [2] | 1,819,129 |  |  |  |  |
Stage 1 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 1,005,897 |  |  |  |  |
Transfer to Stage 2 |  | (71,550) |  |  |  |  |
Transfer to Stage 3 |  | (34,270) |  |  |  |  |
Transfer from Stage 2 |  | 157,520 |  |  |  |  |
Transfer from Stage 3 |  | 49,333 |  |  |  |  |
Transfers between classes of loans |  | 0 |  |  |  |  |
New loans and liquidation, net |  | 144,705 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 37,753 |  |  |  |  |
Write-offs |  | (336,344) |  |  |  |  |
Sale of loan portfolio |  | 0 |  |  |  |  |
Exchange differences and others |  | 8,740 |  |  |  |  |
Balances at the end of the period |  | 961,784 |  |  |  |  |
Stage 2 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 901,704 |  |  |  |  |
Transfer to Stage 1 |  | (157,520) |  |  |  |  |
Transfer to Stage 3 |  | (120,735) |  |  |  |  |
Transfer from Stage 1 |  | 71,550 |  |  |  |  |
Transfer from Stage 3 |  | 47,548 |  |  |  |  |
Transfers between classes of loans |  | 0 |  |  |  |  |
New loans and liquidation, net |  | 135,661 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 441,341 |  |  |  |  |
Write-offs |  | (384,662) |  |  |  |  |
Sale of loan portfolio |  | 0 |  |  |  |  |
Exchange differences and others |  | 3,644 |  |  |  |  |
Balances at the end of the period |  | 938,531 |  |  |  |  |
Stage 3 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 3,356,359 |  |  |  |  |
Transfer to Stage 1 |  | (49,333) |  |  |  |  |
Transfer to Stage 2 |  | (47,548) |  |  |  |  |
Transfer from Stage 1 |  | 34,270 |  |  |  |  |
Transfer from Stage 2 |  | 120,735 |  |  |  |  |
Transfers between classes of loans |  | 0 |  |  |  |  |
New loans and liquidation, net |  | 27,086 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 1,028,352 |  |  |  |  |
Write-offs |  | (861,190) |  |  |  |  |
Sale of loan portfolio |  | (158,551) |  |  |  |  |
Exchange differences and others |  | (35,964) |  |  |  |  |
Balances at the end of the period |  | 3,414,216 |  |  |  |  |
Consolidated 3 Stages [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 5,263,960 |  | 4,943,008 |  |  |
Transfers between classes of loans |  | 0 |  |  |  |  |
New loans and liquidation, net |  | 307,452 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 1,507,446 |  |  |  |  |
Write-offs |  | (1,582,196) |  |  |  |  |
Sale of loan portfolio |  | (158,551) |  |  |  |  |
Exchange differences and others |  | (23,580) |  |  |  |  |
Effect of adopting IFRS 9 |  |  |  | 320,952 |  |  |
Balances at the end of the period |  | 5,314,531 | [2] |  |  | 4,943,008 |
Commercial loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  |  |  | 1,235,970 | [1] | 1,197,713 |
Write-offs |  |  |  | (217,160) |  | (143,871) |
Balances at the end of the period | [1] |  |  | 1,680,126 |  | 1,235,970 |
Commercial loans [Member] | Stage 1 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 280,211 |  |  |  |  |
Transfer to Stage 2 |  | (13,311) |  |  |  |  |
Transfer to Stage 3 |  | (6,647) |  |  |  |  |
Transfer from Stage 2 |  | 16,464 |  |  |  |  |
Transfer from Stage 3 |  | 10,864 |  |  |  |  |
Transfers between classes of loans |  | 5,238 |  |  |  |  |
New loans and liquidation, net |  | 30,376 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | (5,007) |  |  |  |  |
Write-offs |  | (7,972) |  |  |  |  |
Sale of loan portfolio |  | 0 |  |  |  |  |
Exchange differences and others |  | 1,551 |  |  |  |  |
Balances at the end of the period |  | 311,767 |  |  |  |  |
Commercial loans [Member] | Stage 2 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 99,004 |  |  |  |  |
Transfer to Stage 1 |  | (16,464) |  |  |  |  |
Transfer to Stage 3 |  | (20,602) |  |  |  |  |
Transfer from Stage 1 |  | 13,311 |  |  |  |  |
Transfer from Stage 3 |  | 13,696 |  |  |  |  |
Transfers between classes of loans |  | (254) |  |  |  |  |
New loans and liquidation, net |  | 34,236 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 33,375 |  |  |  |  |
Write-offs |  | (4,952) |  |  |  |  |
Sale of loan portfolio |  | 0 |  |  |  |  |
Exchange differences and others |  | 649 |  |  |  |  |
Balances at the end of the period |  | 151,999 |  |  |  |  |
Commercial loans [Member] | Stage 3 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 1,259,257 |  |  |  |  |
Transfer to Stage 1 |  | (10,864) |  |  |  |  |
Transfer to Stage 2 |  | (13,696) |  |  |  |  |
Transfer from Stage 1 |  | 6,647 |  |  |  |  |
Transfer from Stage 2 |  | 20,602 |  |  |  |  |
Transfers between classes of loans |  | (34,932) |  |  |  |  |
New loans and liquidation, net |  | 37,701 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 294,960 |  |  |  |  |
Write-offs |  | (102,442) |  |  |  |  |
Sale of loan portfolio |  | (48,442) |  |  |  |  |
Exchange differences and others |  | (53,429) |  |  |  |  |
Balances at the end of the period |  | 1,355,362 |  |  |  |  |
Commercial loans [Member] | Consolidated 3 Stages [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 1,638,473 |  | 1,680,126 |  |  |
Transfers between classes of loans |  | (29,948) |  |  |  |  |
New loans and liquidation, net |  | 102,313 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 323,328 |  |  |  |  |
Write-offs |  | (115,366) |  |  |  |  |
Sale of loan portfolio |  | (48,442) |  |  |  |  |
Exchange differences and others |  | (51,229) |  |  |  |  |
Effect of adopting IFRS 9 |  |  |  | (41,653) |  |  |
Balances at the end of the period |  |  |  |  |  | 1,680,126 |
Residential mortgage loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  |  |  | 193,385 | [1] | 173,879 |
Write-offs |  |  |  | (10,662) |  | (7,877) |
Balances at the end of the period | [1] |  |  | 228,287 |  | 193,385 |
Residential mortgage loans [Member] | Stage 1 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 18,614 |  |  |  |  |
Transfer to Stage 2 |  | (1,716) |  |  |  |  |
Transfer to Stage 3 |  | (817) |  |  |  |  |
Transfer from Stage 2 |  | 2,565 |  |  |  |  |
Transfer from Stage 3 |  | 5,556 |  |  |  |  |
Transfers between classes of loans |  | 449 |  |  |  |  |
New loans and liquidation, net |  | 7,674 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | (1,114) |  |  |  |  |
Write-offs |  | (142) |  |  |  |  |
Sale of loan portfolio |  | 0 |  |  |  |  |
Exchange differences and others |  | 410 |  |  |  |  |
Balances at the end of the period |  | 31,479 |  |  |  |  |
Residential mortgage loans [Member] | Stage 2 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 13,747 |  |  |  |  |
Transfer to Stage 1 |  | (2,565) |  |  |  |  |
Transfer to Stage 3 |  | (2,945) |  |  |  |  |
Transfer from Stage 1 |  | 1,716 |  |  |  |  |
Transfer from Stage 3 |  | 3,201 |  |  |  |  |
Transfers between classes of loans |  | 7 |  |  |  |  |
New loans and liquidation, net |  | 1,761 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 7,296 |  |  |  |  |
Write-offs |  | (144) |  |  |  |  |
Sale of loan portfolio |  | 0 |  |  |  |  |
Exchange differences and others |  | 330 |  |  |  |  |
Balances at the end of the period |  | 22,404 |  |  |  |  |
Residential mortgage loans [Member] | Stage 3 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 411,087 |  |  |  |  |
Transfer to Stage 1 |  | (5,556) |  |  |  |  |
Transfer to Stage 2 |  | (3,201) |  |  |  |  |
Transfer from Stage 1 |  | 817 |  |  |  |  |
Transfer from Stage 2 |  | 2,945 |  |  |  |  |
Transfers between classes of loans |  | 302 |  |  |  |  |
New loans and liquidation, net |  | (45,198) |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 142,064 |  |  |  |  |
Write-offs |  | (11,478) |  |  |  |  |
Sale of loan portfolio |  | (32,089) |  |  |  |  |
Exchange differences and others |  | 10,593 |  |  |  |  |
Balances at the end of the period |  | 470,286 |  |  |  |  |
Residential mortgage loans [Member] | Consolidated 3 Stages [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 443,448 |  | 228,287 |  |  |
Transfers between classes of loans |  | 758 |  |  |  |  |
New loans and liquidation, net |  | (35,763) |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 148,246 |  |  |  |  |
Write-offs |  | (11,764) |  |  |  |  |
Sale of loan portfolio |  | (32,089) |  |  |  |  |
Exchange differences and others |  | 11,333 |  |  |  |  |
Effect of adopting IFRS 9 |  |  |  | 215,161 |  |  |
Balances at the end of the period |  | 524,169 | [2] |  |  | 228,287 |
Micro-business loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  |  |  | 1,353,168 | [1] | 1,372,099 |
Write-offs |  |  |  | (437,594) |  | (606,546) |
Balances at the end of the period | [1] |  |  | 1,476,578 |  | 1,353,168 |
Micro-business loans [Member] | Stage 1 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 350,134 |  |  |  |  |
Transfer to Stage 2 |  | (27,116) |  |  |  |  |
Transfer to Stage 3 |  | (17,238) |  |  |  |  |
Transfer from Stage 2 |  | 46,522 |  |  |  |  |
Transfer from Stage 3 |  | 13,148 |  |  |  |  |
Transfers between classes of loans |  | (5,634) |  |  |  |  |
New loans and liquidation, net |  | 68,232 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 86,904 |  |  |  |  |
Write-offs |  | (178,657) |  |  |  |  |
Sale of loan portfolio |  | 0 |  |  |  |  |
Exchange differences and others |  | 6,224 |  |  |  |  |
Balances at the end of the period |  | 342,519 |  |  |  |  |
Micro-business loans [Member] | Stage 2 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 281,227 |  |  |  |  |
Transfer to Stage 1 |  | (46,522) |  |  |  |  |
Transfer to Stage 3 |  | (43,715) |  |  |  |  |
Transfer from Stage 1 |  | 27,116 |  |  |  |  |
Transfer from Stage 3 |  | 7,817 |  |  |  |  |
Transfers between classes of loans |  | 378 |  |  |  |  |
New loans and liquidation, net |  | 42,058 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 168,748 |  |  |  |  |
Write-offs |  | (176,095) |  |  |  |  |
Sale of loan portfolio |  | 0 |  |  |  |  |
Exchange differences and others |  | 2,581 |  |  |  |  |
Balances at the end of the period |  | 263,593 |  |  |  |  |
Micro-business loans [Member] | Stage 3 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 1,001,287 |  |  |  |  |
Transfer to Stage 1 |  | (13,148) |  |  |  |  |
Transfer to Stage 2 |  | (7,817) |  |  |  |  |
Transfer from Stage 1 |  | 17,238 |  |  |  |  |
Transfer from Stage 2 |  | 43,715 |  |  |  |  |
Transfers between classes of loans |  | 34,709 |  |  |  |  |
New loans and liquidation, net |  | 13,267 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 296,807 |  |  |  |  |
Write-offs |  | (340,693) |  |  |  |  |
Sale of loan portfolio |  | (67,682) |  |  |  |  |
Exchange differences and others |  | 1,610 |  |  |  |  |
Balances at the end of the period |  | 979,293 |  |  |  |  |
Micro-business loans [Member] | Consolidated 3 Stages [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 1,632,647 |  | 1,476,578 |  |  |
Transfers between classes of loans |  | 29,453 |  |  |  |  |
New loans and liquidation, net |  | 123,557 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 552,459 |  |  |  |  |
Write-offs |  | (695,445) |  |  |  |  |
Sale of loan portfolio |  | (67,682) |  |  |  |  |
Exchange differences and others |  | 10,415 |  |  |  |  |
Effect of adopting IFRS 9 |  |  |  | 156,069 |  |  |
Balances at the end of the period |  | 1,585,404 | [2] |  |  | 1,476,578 |
Consumer loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  |  |  | 1,634,169 | [1] | 1,288,528 |
Write-offs |  |  |  | (760,785) |  | (853,844) |
Balances at the end of the period | [1] |  |  | 1,558,017 |  | 1,634,169 |
Consumer loans [Member] | Stage 1 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 356,938 |  |  |  |  |
Transfer to Stage 2 |  | (29,407) |  |  |  |  |
Transfer to Stage 3 |  | (9,568) |  |  |  |  |
Transfer from Stage 2 |  | 91,969 |  |  |  |  |
Transfer from Stage 3 |  | 19,765 |  |  |  |  |
Transfers between classes of loans |  | (53) |  |  |  |  |
New loans and liquidation, net |  | 38,423 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | (43,030) |  |  |  |  |
Write-offs |  | (149,573) |  |  |  |  |
Sale of loan portfolio |  | 0 |  |  |  |  |
Exchange differences and others |  | 555 |  |  |  |  |
Balances at the end of the period |  | 276,019 |  |  |  |  |
Consumer loans [Member] | Stage 2 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 507,726 |  |  |  |  |
Transfer to Stage 1 |  | (91,969) |  |  |  |  |
Transfer to Stage 3 |  | (53,473) |  |  |  |  |
Transfer from Stage 1 |  | 29,407 |  |  |  |  |
Transfer from Stage 3 |  | 22,834 |  |  |  |  |
Transfers between classes of loans |  | (131) |  |  |  |  |
New loans and liquidation, net |  | 57,606 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 231,922 |  |  |  |  |
Write-offs |  | (203,471) |  |  |  |  |
Sale of loan portfolio |  | 0 |  |  |  |  |
Exchange differences and others |  | 84 |  |  |  |  |
Balances at the end of the period |  | 500,535 |  |  |  |  |
Consumer loans [Member] | Stage 3 [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 684,728 |  |  |  |  |
Transfer to Stage 1 |  | (19,765) |  |  |  |  |
Transfer to Stage 2 |  | (22,834) |  |  |  |  |
Transfer from Stage 1 |  | 9,568 |  |  |  |  |
Transfer from Stage 2 |  | 53,473 |  |  |  |  |
Transfers between classes of loans |  | (79) |  |  |  |  |
New loans and liquidation, net |  | 21,316 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 294,521 |  |  |  |  |
Write-offs |  | (406,577) |  |  |  |  |
Sale of loan portfolio |  | (10,338) |  |  |  |  |
Exchange differences and others |  | 5,262 |  |  |  |  |
Balances at the end of the period |  | 609,275 |  |  |  |  |
Consumer loans [Member] | Consolidated 3 Stages [Member] | Portfolio of Direct and Indirect Loans [Member] |  |  |  |  |  |  |
Disclosure of Loans, Net [Line Items] |  |  |  |  |  |  |
Balances at the beginning of the period |  | 1,549,392 |  | 1,558,017 |  |  |
Transfers between classes of loans |  | (263) |  |  |  |  |
New loans and liquidation, net |  | 117,345 |  |  |  |  |
Changes in PDs, LGDs, EADs |  | 483,413 |  |  |  |  |
Write-offs |  | (759,621) |  |  |  |  |
Sale of loan portfolio |  | (10,338) |  |  |  |  |
Exchange differences and others |  | 5,901 |  |  |  |  |
Effect of adopting IFRS 9 |  |  |  | S/ (8,625) |  |  |
Balances at the end of the period |  | S/ 1,385,829 | [2] |  |  | S/ 1,558,017 |
[1] | The movement in the allowance for loan losses for 2017 included the allowance for direct and indirect loans for approximately S/4,500.5 million y S/442.5 million, respectively (approximately S/4,207.1 million and S/209.6 million, respectively, for 2016). The allowance for indirect loan losses was included in “Other liabilities” of the consolidated statement of financial position, Note 12(a). In Management’s opinion, the allowance for loan losses recorded as of December 31, 2017 and 2016 was established in accordance with IAS 39 and was sufficient to cover incurred losses on the loan portfolio.
[2] | The movement in the allowance for loan losses of the period 2018 includes the allowance for direct and indirect loans for approximately S/4,952.4 million y S/362.1 million, respectively. The allowance for indirect loan losses is included in “Other liabilities” of the consolidated statement of financial position, Note 12(a). In Management’s opinion, the allowance for loan losses recorded as of December 31, 2018 has been established in accordance with IFRS 9 and is sufficient to cover incurred losses on the loan portfolio.

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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Transfer between class of loans + References No definition available. + Details
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Namespace Prefix: | bap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Trasfer from Stage one + References No definition available. + Details
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Namespace Prefix: | bap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Trasfer from Stage 3 + References No definition available. + Details
Name: | bap_TransferFromStageThree
Namespace Prefix: | bap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Trasfer from Stage 3 + References No definition available. + Details
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Namespace Prefix: | bap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Transfer to Stage One + References No definition available. + Details
Name: | bap_TransferToStageOne
Namespace Prefix: | bap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Transfer to Stage 3 + References No definition available. + Details
Name: | bap_TransferToStageTHREE
Namespace Prefix: | bap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Transfer from Levell 1 to Level 2 + References No definition available. + Details
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Namespace Prefix: | bap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_16&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The decrease in an allowance account for credit losses of financial assets resulting from the reversal of impairment. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_16&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | bap_StagesOfLoansReceivablesAxis=bap_StageOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | bap_StagesOfLoansReceivablesAxis=bap_StageThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | bap_StagesOfLoansReceivablesAxis=bap_ConsolidationOfAllStagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |