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Insurance Contracts and Private Pension - Summary of Changes in Technical Provisions (Detail) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of other provisions [line items] |  |
Unearned premiums (PPNG) | R$ 2,858 | R$ 2,310
Mathematical provisions for benefits to be granted (PMBAC) and granted benefits (PMBC) | 209,215 | 215,233
Redemptions and Other Unsettled Amounts (PVR) | 377 | 348
Financial surplus (PEF) | 692 | 657
Unsettled claims (PSL) | 585 | 583
Claims / events incurred but not reported (IBNR) | 361 | 316
Related Expenses (PDR) | 94 | 117
Other provisions | 794 | 1,436
Total | 214,976 | 221,000
Current | 3,643 | 3,063
Non-current | 211,333 | 217,937
Opening balance | 221,000 | 218,334
Additions arising from premiums / contributions | 14,782 | 14,565
Deferral due to elapsed risk | (4,563) | (4,221)
Payment of claims / benefits | (1,971) | (1,627)
Reported claims | 1,534 | 1,322
Redemptions | (16,872) | (15,431)
Net Portability | (3,417) | 563
Adjustment of reserves and financial surplus | 5,023 | 7,849
Other (increase / reversal) | (544) | (133)
Corporate Reorganization | 4 | (221)
Closing balance | 214,976 | 221,000
Insurance [member] |  |
Disclosure of other provisions [line items] |  |
Unearned premiums (PPNG) | 2,846 | 2,298
Mathematical provisions for benefits to be granted (PMBAC) and granted benefits (PMBC) | 19 | 17
Redemptions and Other Unsettled Amounts (PVR) | 19 | 16
Financial surplus (PEF) | 1 | 2
Unsettled claims (PSL) | 506 | 515
Claims / events incurred but not reported (IBNR) | 334 | 294
Related Expenses (PDR) | 29 | 29
Other provisions | 129 | 132
Total | 3,883 | 3,303
Current | 3,102 | 2,537
Non-current | 781 | 766
Opening balance | 3,303 | 3,688
Additions arising from premiums / contributions | 5,106 | 4,176
Deferral due to elapsed risk | (4,563) | (4,221)
Payment of claims / benefits | (1,598) | (1,263)
Reported claims | 1,534 | 1,322
Redemptions |  | 0
Adjustment of reserves and financial surplus | 14 | 12
Other (increase / reversal) | 83 | (190)
Corporate Reorganization | 4 | (221)
Closing balance | 3,883 | 3,303
Private Pension [Member] |  |
Disclosure of other provisions [line items] |  |
Unearned premiums (PPNG) | 12 | 12
Mathematical provisions for benefits to be granted (PMBAC) and granted benefits (PMBC) | 209,196 | 215,216
Redemptions and Other Unsettled Amounts (PVR) | 358 | 332
Financial surplus (PEF) | 691 | 655
Unsettled claims (PSL) | 79 | 68
Claims / events incurred but not reported (IBNR) | 27 | 22
Related Expenses (PDR) | 65 | 88
Other provisions | 665 | 1,304
Total | 211,093 | 217,697
Current | 541 | 526
Non-current | 210,552 | 217,171
Opening balance | 217,697 | 214,646
Additions arising from premiums / contributions | 9,676 | 10,389
Payment of claims / benefits | (373) | (364)
Redemptions | (16,872) | (15,431)
Net Portability | (3,417) | 563
Adjustment of reserves and financial surplus | 5,009 | 7,837
Other (increase / reversal) | (627) | 57
Closing balance | R$ 211,093 | R$ 217,697

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