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Changes in Accumulated Other Comprehensive (Loss) Income (Details 1) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Other non-interest revenue | $ 545 | $ 521 | $ 1,031 | $ 989
Interest expense on long-term debt and other | 286 | 305 | 561 | 612
Other expenses | 470 | 1,535 | 1,890 | 2,934
(Decrease) increase due to amounts reclassified into earnings | 0 |  |  | 1
Net Unrealized Gains (Losses) on Investment Securities [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Other non-interest revenue | 0 |  |  |
Income tax provision for other non-interest revenue | 0 |  |  |
(Decrease) increase due to amounts reclassified into earnings | 0 | 0 | (2) |
Foreign Currency Translation Adjustments [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
(Decrease) increase due to amounts reclassified into earnings |  | (1) | 0 | (1)
Accumulated Other Comprehensive Loss [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
(Decrease) increase due to amounts reclassified into earnings | 0 | 1 | 2 | 1
Reclassification out of accumulated other comprehensive income [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
(Decrease) increase due to amounts reclassified into earnings |  | 1 | 2 |
Reclassification out of accumulated other comprehensive income [Member] | Net Unrealized Gains (Losses) on Investment Securities [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Other non-interest revenue | 0 | 0 | 4 | 0
Income tax provision for other non-interest revenue | 0 | 0 | (2) | 0
(Decrease) increase due to amounts reclassified into earnings | 0 | 0 | 2 | 0
Reclassification out of accumulated other comprehensive income [Member] | Foreign Currency Translation Adjustments [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income tax benefit for other, net expense | 0 | 0 | 0 | 0
Other, net expense, net of taxes | 0 | 1 | 0 | 1
(Decrease) increase due to amounts reclassified into earnings | $ 0 | $ 1 | $ 0 | $ 1

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