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v3.19.3.a.u2

Allowance for Loan and Lease Losses and Reserve for Unfunded Lending Commitments - Allowance for Loan and Lease Losses and Reserve for Unfunded Lending Commitments Activity (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | $ 7,220 |  |
Allowance build (release) for loan and lease losses | $ (68) |  |  |
Balance at end of the period |  | 7,208 | $ 7,220 |
Provision (benefit) for credit losses |  | (6,236) | (5,856) | $ (7,551)
Allowance |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 7,220 | 7,502 | 6,503
Charge-offs |  | (8,809) | (8,615) | (8,513)
Recoveries |  | 2,557 | 2,503 | 1,951
Net charge-offs |  | (6,252) | (6,112) | (6,562)
Provision (benefit) for loan and lease losses |  | 6,223 | 5,858 | 7,563
Allowance build (release) for loan and lease losses |  | (29) | (254) | 1,001
Other changes |  | 17 | (28) | (2)
Balance at end of the period |  | 7,208 | 7,220 | 7,502
Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 122 | 124 | 136
Provision (benefit) for loan and lease losses |  | 13 | (2) | (12)
Balance at end of the period |  | 135 | 122 | 124
Combined allowance and reserve |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 7,342 | 7,626 |
Balance at end of the period |  | 7,343 | 7,342 | 7,626
Credit Card |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 5,535 | 5,648 | 4,606
Charge-offs |  | (6,711) | (6,657) | (6,321)
Recoveries |  | 1,562 | 1,588 | 1,267
Net charge-offs |  | (5,149) | (5,069) | (5,054)
Provision (benefit) for loan and lease losses |  | 4,992 | 4,984 | 6,066
Allowance build (release) for loan and lease losses |  | (157) | (85) | 1,012
Other changes |  | 17 | (28) | 30
Balance at end of the period |  | 5,395 | 5,535 | 5,648
Credit Card | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 0 | 0 | 0
Provision (benefit) for loan and lease losses |  | 0 | 0 | 0
Balance at end of the period |  | 0 | 0 | 0
Credit Card | Combined allowance and reserve |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 5,535 | 5,648 |
Balance at end of the period |  | 5,395 | 5,535 | 5,648
Consumer Banking |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 1,048 | 1,242 | 1,102
Charge-offs |  | (1,917) | (1,832) | (1,677)
Recoveries |  | 970 | 851 | 639
Net charge-offs |  | (947) | (981) | (1,038)
Provision (benefit) for loan and lease losses |  | 937 | 841 | 1,180
Allowance build (release) for loan and lease losses |  | (10) | (140) | 142
Other changes |  | 0 | (54) | (2)
Balance at end of the period |  | 1,038 | 1,048 | 1,242
Consumer Banking | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 4 | 7 | 7
Provision (benefit) for loan and lease losses |  | 1 | (3) | 0
Balance at end of the period |  | 5 | 4 | 7
Consumer Banking | Combined allowance and reserve |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 1,052 | 1,249 |
Balance at end of the period |  | 1,043 | 1,052 | 1,249
Commercial Banking |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 637 | 611 | 793
Charge-offs |  | (181) | (119) | (481)
Recoveries |  | 25 | 63 | 16
Net charge-offs |  | (156) | (56) | (465)
Provision (benefit) for loan and lease losses |  | 294 | 82 | 313
Allowance build (release) for loan and lease losses |  | 138 | 26 | (152)
Other changes |  | 0 | 0 | (30)
Balance at end of the period |  | 775 | 637 | 611
Commercial Banking | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 118 | 117 | 129
Provision (benefit) for loan and lease losses |  | 12 | 1 | (12)
Balance at end of the period |  | 130 | 118 | 117
Commercial Banking | Combined allowance and reserve |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 755 | 728 |
Balance at end of the period |  | 905 | 755 | 728
Other |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 0 | 1 | 2
Charge-offs |  |  | (7) | (34)
Recoveries |  |  | 1 | 29
Net charge-offs |  |  | (6) | (5)
Provision (benefit) for loan and lease losses |  |  | (49) | 4
Allowance build (release) for loan and lease losses |  |  | (55) | (1)
Other changes |  |  | 54 | 0
Balance at end of the period |  |  | 0 | 1
Other | Reserve for unfunded lending commitments |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 0 | 0 | 0
Provision (benefit) for loan and lease losses |  |  | 0 | 0
Balance at end of the period |  |  | 0 | 0
Other | Combined allowance and reserve |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance as beginning of the period |  | 0 | 1 |
Balance at end of the period |  |  | 0 | 1
Other |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Provision (benefit) for credit losses |  | $ 0 | 49 | $ (4)
Other | Home loan portfoilio |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Gain (loss) on sale of home loan portfolio |  |  | 499 |
Provision (benefit) for credit losses |  |  | $ (46) |

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=118936363&loc=SL6953423-111524 + Details
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- Definition Amount of other addition (reduction) in 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 15 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of increase (decrease) of allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + 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=118936363&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount, after recoveries, of loans and leases that have been written-off. + References No definition available. + Details
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- Definition The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118959141&loc=d3e21310-158488 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118959141&loc=d3e21286-158488 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=117337389&loc=d3e21493-158490 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
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