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Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2019
Other Comprehensive Income [Abstract] |
Other Comprehensive Income | Details of other comprehensive income (loss) are as follows: Table 86: Other Comprehensive Income (Loss)
In millions | 2019 |  | 2018 |  | 2017 |  |
Net unrealized gains (losses) on non-OTTI securities |  |  |  |
Increase in net unrealized gains (losses) on non-OTTI securities | $ | 1,505 |  | $ | (522 | ) | $ | 29 |  |
Less: Net gains (losses) realized as a yield adjustment reclassified to investment securities interest income | 11 |  | 12 |  | 25 |  |
Less: Net gains (losses) realized on sales of securities reclassified to noninterest income | 29 |  | (8 | ) | (12 | ) |
Net increase (decrease), pre-tax | 1,465 |  | (526 | ) | 16 |  |
Effect of income taxes | (337 | ) | 121 |  | (6 | ) |
Net increase (decrease), after-tax | 1,128 |  | (405 | ) | 10 |  |
Net unrealized gains (losses) on OTTI securities |  |  |  |
Increase in net unrealized gains (losses) on OTTI securities | 24 |  | (14 | ) | 173 |  |
Less: Net gains (losses) realized on sales of securities reclassified to noninterest income |  |  |  | 2 |  |
Less: OTTI losses realized on securities reclassified to noninterest income |  |  |  | (1 | ) |
Net increase (decrease), pre-tax | 24 |  | (14 | ) | 172 |  |
Effect of income taxes | (5 | ) | 3 |  | (63 | ) |
Net increase (decrease), after-tax | 19 |  | (11 | ) | 109 |  |
Net unrealized gains (losses) on cash flow hedge derivatives |  |  |  |
Increase in net unrealized gains (losses) on cash flow hedge derivatives | 334 |  | (118 | ) | (90 | ) |
Less: Net gains (losses) realized as a yield adjustment reclassified to loan interest income | 9 |  | 41 |  | 159 |  |
Less: Net gains (losses) realized as a yield adjustment reclassified to investment securities interest income | 9 |  | 11 |  | 21 |  |
Less: Net gains (losses) realized on sales of securities reclassified to noninterest income | 19 |  | 8 |  | 17 |  |
Net increase (decrease), pre-tax | 297 |  | (178 | ) | (287 | ) |
Effect of income taxes | (68 | ) | 41 |  | 105 |  |
Net increase (decrease), after-tax | 229 |  | (137 | ) | (182 | ) |
Pension and other postretirement benefit plan adjustments |  |  |  |
Net pension and other postretirement benefit activity | 146 |  | 10 |  | 126 |  |
Amortization of actuarial loss (gain) reclassified to other noninterest expense | 8 |  | 5 |  | 47 |  |
Amortization of prior service cost (credit) reclassified to other noninterest expense | 4 |  | 1 |  | (4 | ) |
Net increase (decrease), pre-tax | 158 |  | 16 |  | 169 |  |
Effect of income taxes | (36 | ) | (4 | ) | (62 | ) |
Net increase (decrease), after-tax | 122 |  | 12 |  | 107 |  |
Other |  |  |  |
Net investment hedge derivatives | (24 | ) | 76 |  | (81 | ) |
Foreign currency translation adjustments | 41 |  | (58 | ) | 90 |  |
Net increase (decrease), pre-tax | 17 |  | 18 |  | 9 |  |
Effect of income taxes | 5 |  | (17 | ) | 29 |  |
Net increase (decrease), after-tax | 22 |  | 1 |  | 38 |  |
Total other comprehensive income (loss) from continuing operations, pre-tax | 1,961 |  | (684 | ) | 79 |  |
Total other comprehensive income (loss) from continuing operations, tax effect | (441 | ) | 144 |  | 3 |  |
Total other comprehensive income (loss) from continuing operations, after-tax | $ | 1,520 |  | $ | (540 | ) | $ | 82 |  |
Total other comprehensive income (loss) from discontinued operations, after-tax | 4 |  | (43 | ) | 35 |  |
Total other comprehensive income (loss), after-tax | $ | 1,524 |  | $ | (583 | ) | $ | 117 |  |
Accumulated Other Comprehensive Income (Loss) Components | Table 87: Accumulated Other Comprehensive Income (Loss) Components
In millions, after-tax | Net unrealized gains (losses) on non-OTTI securities |  |  | Net unrealized gains (losses) on OTTI securities |  |  | Net unrealized gains (losses) on cash flow hedge derivatives |  |  | Pension and other postretirement benefit plan adjustments |  |  | Other |  |  | Accumulated other Comprehensive Income from Continuing Operations |  |  | Accumulated other Comprehensive Income from Discontinued Operations |  |  | Total |  |
Balance at December 31, 2016 | $ | 52 |  |  | $ | 106 |  |  | $ | 333 |  |  | $ | (553 | ) |  | $ | (106 | ) |  | $ | (168 | ) |  | $ | (97 | ) |  | $ | (265 | ) |
Net activity | 10 |  |  | 109 |  |  | (182 | ) |  | 107 |  |  | 38 |  |  | 82 |  |  | 35 |  |  | 117 |  |
Balance at December 31, 2017 | $ | 62 |  |  | $ | 215 |  |  | $ | 151 |  |  | $ | (446 | ) |  | $ | (68 | ) |  | $ | (86 | ) |  | $ | (62 | ) |  | $ | (148 | ) |
Cumulative effect of adopting ASU 2018-02 (a) | 59 |  |  |  |  |  | 33 |  |  | (96 | ) |  | 24 |  |  | 20 |  |  | (14 | ) |  | 6 |  |
Balance at January 1, 2018 | 121 |  |  | 215 |  |  | 184 |  |  | (542 | ) |  | (44 | ) |  | $ | (66 | ) |  | $ | (76 | ) |  | $ | (142 | ) |
Net activity | (405 | ) |  | (11 | ) |  | (137 | ) |  | 12 |  |  | 1 |  |  | (540 | ) |  | (43 | ) |  | (583 | ) |
Balance at December 31, 2018 | $ | (284 | ) |  | $ | 204 |  |  | $ | 47 |  |  | $ | (530 | ) |  | $ | (43 | ) |  | $ | (606 | ) |  | $ | (119 | ) |  | $ | (725 | ) |
Net activity | 1,128 |  |  | 19 |  |  | 229 |  |  | 122 |  |  | 22 |  |  | 1,520 |  |  | 4 |  |  | 1,524 |  |
Balance at December 31, 2019 | $ | 844 |  |  | $ | 223 |  |  | $ | 276 |  |  | $ | (408 | ) |  | $ | (21 | ) |  | $ | 914 |  |  | $ | (115 | ) |  | $ | 799 |  |
(a) Represents the cumulative impact of adopting ASU 2018-02 which permits the reclassification to retained earnings of the income tax effects stranded within AOCI. See the Recently Adopted Accounting Standards portion of Note 1 Accounting Policies in our 2018 Form 10-K for additional detail on this adoption.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: 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=118930883&loc=SL7669686-108580 + Details
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