| For the Three Months Ended September 30, 2013 (Millions), net of tax | | Net Unrealized Gains (Losses) on Investment Securities | | Net Unrealized Gains (Losses) on Cash Flow Hedges | | Foreign Currency Translation Adjustments | | Net Unrealized Pension and Other Postretirement Benefit Losses | | Accumulated Other Comprehensive (Loss) Income |
| Balances as of June 30, 2013 | | $ | 153 | | $ | ― | | $ | (1,027) | | $ | (434) | | $ | (1,308) |
| Net unrealized (losses) | | | (25) | | | | | | | | | | | | (25) |
| Reclassification for realized (gains) into earnings | | | (23) | | | | | | | | | | | | (23) |
| Net translation of investments in foreign operations | | | | | | | | | 134 | | | | | | 134 |
| Net losses related to hedges of investment in foreign operations | | | | | | | | | (123) | | | | | | (123) |
| Pension and other postretirement benefit losses | | | | | | | | | | | | 6 | | | 6 |
| Net change in accumulated other comprehensive (loss) income | | | (48) | | | ― | | | 11 | | | 6 | | | (31) |
| Balances as of September 30, 2013 | | $ | 105 | | $ | ― | | $ | (1,016) | | $ | (428) | | $ | (1,339) |
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| For the Nine Months Ended September 30, 2013 (Millions), net of tax | | Net Unrealized Gains (Losses) on Investment Securities | | Net Unrealized Gains (Losses) on Cash Flow Hedges | | Foreign Currency Translation Adjustments | | Net Unrealized Pension and Other Postretirement Benefit Losses | | Accumulated Other Comprehensive (Loss) Income |
| Balances as of December 31, 2012 | | $ | 315 | | $ | ― | | $ | (754) | | $ | (488) | | $ | (927) |
| Net unrealized (losses) | | | (141) | | | | | | | | | | | | (141) |
| Reclassification for realized (gains) into earnings | | | (69) | | | | | | | | | | | | (69) |
| Net translation of investments in foreign operations | | | | | | | | | (422) | | | | | | (422) |
| Net losses related to hedges of investment in foreign operations | | | | | | | | | 160 | | | | | | 160 |
| Pension and other postretirement benefit losses | | | | | | | | | | | | 60 | | | 60 |
| Net change in accumulated other comprehensive (loss) income | | | (210) | | | ― | | | (262) | | | 60 | | | (412) |
| Balances as of September 30, 2013 | | $ | 105 | | $ | ― | | $ | (1,016) | | $ | (428) | | $ | (1,339) |
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| For the Three Months Ended September 30, 2012 (Millions), net of tax | | Net Unrealized Gains (Losses) on Investment Securities | | Net Unrealized Gains (Losses) on Cash Flow Hedges | | Foreign Currency Translation Adjustments | | Net Unrealized Pension and Other Postretirement Benefit Losses | | Accumulated Other Comprehensive (Loss) Income |
| Balances as of June 30, 2012 | | $ | 319 | | $ | ― | | $ | (809) | | $ | (461) | | $ | (951) |
| Net unrealized gains | | | 43 | | | | | | | | | | | | 43 |
| Reclassification for realized (gains) into earnings | | | (22) | | | | | | | | | | | | (22) |
| Net translation of investments in foreign operations | | | | | | | | | 401 | | | | | | 401 |
| Net losses related to hedges of investment in foreign operations | | | | | | | | | (320) | | | | | | (320) |
| Pension and other postretirement benefit losses | | | | | | | | | | | | 14 | | | 14 |
| Net change in accumulated other comprehensive income | | | 21 | | | ― | | | 81 | | | 14 | | | 116 |
| Balances as of September 30, 2012 | | $ | 340 | | $ | ― | | $ | (728) | | $ | (447) | | $ | (835) |
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| For the Nine Months Ended September 30, 2012 (Millions), net of tax | | Net Unrealized Gains (Losses) on Investment Securities | | Net Unrealized Gains (Losses) on Cash Flow Hedges | | Foreign Currency Translation Adjustments | | Net Unrealized Pension and Other Postretirement Benefit Losses | | Accumulated Other Comprehensive (Loss) Income |
| Balances as of December 31, 2011 | | $ | 288 | | $ | (1) | | $ | (682) | | $ | (481) | | $ | (876) |
| Net unrealized gains | | | 108 | | | | | | | | | | | | 108 |
| Reclassification for realized (gains) losses into earnings | | | (56) | | | 1 | | | | | | | | | (55) |
| Net translation of investments in foreign operations | | | | | | | | | 248 | | | | | | 248 |
| Net losses related to hedges of investment in foreign operations | | | | | | | | | (294) | | | | | | (294) |
| Pension and other postretirement benefit losses | | | | | | | | | | | | 34 | | | 34 |
| Net change in accumulated other comprehensive (loss) income | | | 52 | | | 1 | | | (46) | | | 34 | | | 41 |
| Balances as of September 30, 2012 | | $ | 340 | | $ | ― | | $ | (728) | | $ | (447) | | $ | (835) |