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v3.20.2

ALLOWANCE FOR CREDIT LOSSES, NONPERFORMING ASSETS, AND CONCENTRATIONS OF CREDIT RISK - Summary of Changes in Allowance for Credit Losses (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Provision charged to income |  |  | $ 1,492 | $ 283
Allowance for loan and lease losses |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | $ 2,448 | $ 1,227 | 1,252 | 1,242
Charge-offs | (257) | (159) | (611) | (453)
Recoveries | 38 | 46 | 108 | 145
Net charge-offs | (219) | (113) | (503) | (308)
Provision charged to income | 313 | 149 | 1,340 | 329
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Ending balance | 2,542 | 1,263 | 2,542 | 1,263
Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 79 | 93 | 44 | 91
Provision for unfunded lending commitments | 115 | (48) | 152 | (46)
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Ending balance | 194 | 45 | 194 | 45
Commercial | Allowance for loan and lease losses |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 1,235 | 680 | 674 | 690
Charge-offs | (171) | (35) | (292) | (106)
Recoveries | 1 | 3 | 7 | 17
Net charge-offs | (170) | (32) | (285) | (89)
Provision charged to income | 224 | 64 | 1,076 | 111
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Ending balance | 1,289 | 712 | 1,289 | 712
Commercial | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 69 | 93 | 44 | 91
Provision for unfunded lending commitments | 83 | (48) | 111 | (46)
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Ending balance | 152 | 45 | 152 | 45
Retail | Allowance for loan and lease losses |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 1,213 | 547 | 578 | 552
Charge-offs | (86) | (124) | (319) | (347)
Recoveries | 37 | 43 | 101 | 128
Net charge-offs | (49) | (81) | (218) | (219)
Provision charged to income | 89 | 85 | 264 | 218
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Ending balance | 1,253 | 551 | 1,253 | 551
Retail | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 10 | 0 | 0 | 0
Provision for unfunded lending commitments | 32 | 0 | 41 | 0
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Ending balance | 42 | $ 0 | 42 | $ 0
Cumulative Effect, Period Of Adoption, Adjustment | Allowance for loan and lease losses |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 0 |  | 453 |
Cumulative Effect, Period Of Adoption, Adjustment | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 0 |  | (2) |
Cumulative Effect, Period Of Adoption, Adjustment | Commercial | Allowance for loan and lease losses |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 0 |  | (176) |
Cumulative Effect, Period Of Adoption, Adjustment | Commercial | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 0 |  | (3) |
Cumulative Effect, Period Of Adoption, Adjustment | Retail | Allowance for loan and lease losses |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 0 |  | 629 |
Cumulative Effect, Period Of Adoption, Adjustment | Retail | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 0 |  | 1 |
Cumulative Effect, Period Of Adoption, Adjusted Balance | Allowance for loan and lease losses |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 2,448 |  | 1,705 |
Cumulative Effect, Period Of Adoption, Adjusted Balance | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 79 |  | 42 |
Cumulative Effect, Period Of Adoption, Adjusted Balance | Commercial | Allowance for loan and lease losses |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 1,235 |  | 498 |
Cumulative Effect, Period Of Adoption, Adjusted Balance | Commercial | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 69 |  | 41 |
Cumulative Effect, Period Of Adoption, Adjusted Balance | Retail | Allowance for loan and lease losses |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | 1,213 |  | 1,207 |
Cumulative Effect, Period Of Adoption, Adjusted Balance | Retail | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Allowance for loan and lease losses / Reserve for unfunded lending commitments, Beginning balance | $ 10 |  | $ 1 |

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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