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Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2021
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Changes In The Components Of AOCI | The following table presents the changes in the components of AOCI for the six months ended June 30, 2021:
|  | Unrealized |  |  |  | Instrument-Specific |  |
|  | Gains (Losses) |  |  |  | Credit Risk of |  |
|  | on AFS |  | Foreign Currency |  | Liabilities Measured |  |
In millions |  | Securities, Net |  | Translation, Net |  | at Fair Value, Net |  | Total
Balance, December 31, 2020 |  | $ | 176 |  |  | $ | (10 | ) |  | $ | (51 | ) |  | $ | 115 |
Other comprehensive income (loss) before reclassifications |  |  | (32 | ) |  |  | 3 |  |  |  | 1 |  |  |  | (28 | )
Amounts reclassified from AOCI |  |  | (8 | ) |  |  | - |  |  |  | 24 |  |  |  | 16 |
Net period other comprehensive income (loss) |  |  | (40 | ) |  |  | 3 |  |  |  | 25 |  |  |  | (12 | )
Balance, June 30, 2021 |  | $ | 136 |  |  | $ | (7 | ) |  | $ | (26 | ) |  | $ | 103 |
Reclassifications From AOCI | The following table presents the details of the reclassifications from AOCI for the three and six months ended June 30, 2021 and 2020:​​​​​​​
In millions |  | Amounts Reclassified from AOCI |  |
|  | Three Months Ended June 30, |  | Six Months Ended June 30, |  |
Details about AOCI Components |  | 2021 |  | 2020 |  | 2021 |  | 2020 |  | Affected Line Item on the Consolidated Statements of Operations
Unrealized gains (losses) on AFS securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized gains (losses) on sale of securities |  | $ | 3 |  |  | $ | 5 |  |  | $ | 8 |  |  | $ | 8 |  |  | Net gains (losses) on financial instruments at fair value and foreign exchange
Total unrealized gains (losses) on AFS securities |  |  | 3 |  |  |  | 5 |  |  |  | 8 |  |  |  | 8 |  |  |
Instrument-specific credit risk of liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement of liabilities |  |  | (4 | ) |  |  | (1 | ) |  |  | (24 | ) |  |  | (3 | ) |  | Net gains (losses) on financial instruments at fair value and foreign exchange
Total reclassifications for the period |  | $ | (1 | ) |  | $ | 4 |  |  | $ | (16 | ) |  | $ | 5 |  |  | Net income (loss)

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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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