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v3.20.2

Changes in Accumulated Other Comprehensive Losses (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |
Beginning balance | $ 134,386 | $ 157,451 | $ 145,208 | $ 155,642
Components of Other Comprehensive Income (Loss): |  |  |  |
Before Reclassifications |  |  | 9 | (27)
Reclassifications |  |  | 474 | 302
Other Comprehensive Gain (Loss), Net of Tax | 243 | 88 | 483 | 275
Ending balance | 132,038 | 156,892 | 132,038 | 156,892
Related income taxes | 165 | 1,469 | (1,591) | 4,429
Total |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |
Beginning balance | (4,750) | (3,357) | (4,990) | (3,544)
Components of Other Comprehensive Income (Loss): |  |  |  |
Other Comprehensive Gain (Loss), Net of Tax | 243 | 88 | 483 | 275
Ending balance | (4,507) | (3,269) | (4,507) | (3,269)
Currency Translation Adjustment |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |
Beginning balance |  |  | (142) | (124)
Components of Other Comprehensive Income (Loss): |  |  |  |
Before Reclassifications |  |  | 5 | (32)
Reclassifications |  |  | 0 | 0
Other Comprehensive Gain (Loss), Net of Tax |  |  | 5 | (32)
Ending balance | (137) | (156) | (137) | (156)
Unrealized Holding Gains (Losses) on Securities |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |
Beginning balance |  |  | (8) | (10)
Components of Other Comprehensive Income (Loss): |  |  |  |
Before Reclassifications |  |  | (5) | 2
Reclassifications |  |  | 0 | 0
Other Comprehensive Gain (Loss), Net of Tax |  |  | (5) | 2
Ending balance | (13) | (8) | (13) | (8)
Derivatives |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |
Beginning balance |  |  | 0 | (2)
Components of Other Comprehensive Income (Loss): |  |  |  |
Before Reclassifications |  |  | 0 | 2
Reclassifications |  |  | 0 | 0
Other Comprehensive Gain (Loss), Net of Tax |  |  | 0 | 2
Ending balance | 0 | 0 | 0 | 0
Defined Benefit Plans |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |
Beginning balance |  |  | (4,840) | (3,408)
Components of Other Comprehensive Income (Loss): |  |  |  |
Before Reclassifications |  |  | 9 | 1
Reclassifications |  |  | 474 | 302
Other Comprehensive Gain (Loss), Net of Tax |  |  | 483 | 303
Ending balance | $ (4,357) | $ (3,105) | (4,357) | $ (3,105)
Defined Benefit Plans | Reclassification out of Accumulated Other Comprehensive Income |  |  |  |
Components of Other Comprehensive Income (Loss): |  |  |  |
Employee Benefits for reclassified components |  |  | 615 |
Related income taxes |  |  | $ 141 |

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