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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Schedule of other comprehensive income | The following table presents the changes in the balances, net of income taxes, of each component of AOCI:
(in millions) |  | Net Unrealized (Losses) Gains on Derivatives |  | Net Unrealized (Losses) Gains on Securities |  | Employee Benefit Plans |  | Total AOCI
Balance at January 1, 2018 |  | ($143) |  |  | ($236) |  |  | ($441) |  |  | ($820) |
Other comprehensive loss before reclassifications |  | (33) |  |  | (239) |  |  | — |  |  | (272) |
Other-than-temporary impairment not recognized in earnings on debt securities |  | — |  |  | (3) |  |  | — |  |  | (3) |
Amounts reclassified to the Consolidated Statements of Operations |  | 33 |  |  | (12) |  |  | (22) |  |  | (1) |
Net other comprehensive loss |  | — |  |  | (254) |  |  | (22) |  |  | (276) |
Balance at December 31, 2018 |  | ($143) |  |  | ($490) |  |  | ($463) |  |  | ($1,096) |
Other comprehensive income before reclassifications |  | 103 |  |  | 501 |  |  | — |  |  | 604 |
Amounts reclassified to the Consolidated Statements of Operations |  | 43 |  |  | (15) |  |  | 48 |  |  | 76 |
Net other comprehensive income |  | 146 |  |  | 486 |  |  | 48 |  |  | 680 |
Cumulative effect of change in accounting principle |  | — |  |  | 5 |  |  | — |  |  | 5 |
Balance at December 31, 2019 |  | $3 |  |  | $1 |  |  | ($415) |  |  | ($411) |
Other comprehensive income before reclassifications |  | 97 |  |  | 382 |  |  | — |  |  | 479 |
Amounts reclassified to the Consolidated Statements of Operations |  | (111) |  |  | (3) |  |  | (14) |  |  | (128) |
Net other comprehensive (loss) income |  | (14) |  |  | 379 |  |  | (14) |  |  | 351 |
Balance at December 31, 2020 |  | ($11) |  |  | $380 |  |  | ($429) |  |  | ($60) |
Primary location in the Consolidated Statement of Operations of amounts reclassified from AOCI |  | Net interest income |  | Securities gains, net |  | Other operating expense |  |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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