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EQUITY (Tables) | 9 Months Ended
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Sep. 30, 2021
Equity [Abstract] |
Summary of changes in equity | A summary of changes in equity for the three months and nine months ended September 30, 2021 and 2020 is provided below:
|  | Three Months Ended September 30, 2021
In millions |  | Parent Company Investment |  | Accumulated Other Comprehensive Income (Loss) |  | Total Parent Company Equity
Balance, July 1, 2021 |  | $ | 3,777 |  |  | $ | (1,493) |  |  | $ | 2,284 |
Net transfers to Parent |  | (457) |  |  | (30) |  |  | (487) |
Special payment to Parent |  | (1,520) |  |  | — |  |  | (1,520) |
Comprehensive income (loss) |  | 92 |  |  | (104) |  |  | (12) |
Balance, September 30, 2021 |  | $ | 1,892 |  |  | $ | (1,627) |  |  | $ | 265 |
|  | Nine Months Ended September 30, 2021
In millions |  | Parent Company Investment |  | Accumulated Other Comprehensive Income (Loss) |  | Total Parent Company Equity
Balance, January 1, 2021 |  | $ | 3,592 |  |  | $ | (1,480) |  |  | $ | 2,112 |
Net transfers to Parent |  | (449) |  |  | (30) |  |  | (479) |
Special payment to Parent |  | (1,520) |  |  | — |  |  | (1,520) |
Comprehensive income (loss) |  | 269 |  |  | (117) |  |  | 152 |
Balance, September 30, 2021 |  | $ | 1,892 |  |  | $ | (1,627) |  |  | $ | 265 |
|  | Three Months Ended September 30, 2020
In millions |  | Parent Company Investment |  | Accumulated Other Comprehensive Income (Loss) |  | Total Parent Company Equity
Balance, July 1, 2020 |  | $ | 3,633 |  |  | $ | (1,554) |  |  | $ | 2,079 |
Net transfers to Parent |  | (22) |  |  | — |  |  | (22) |
Comprehensive income (loss) |  | 51 |  |  | (17) |  |  | 34 |
Balance, September 30, 2020 |  | $ | 3,662 |  |  | $ | (1,571) |  |  | $ | 2,091 |
|  | Nine Months Ended September 30, 2020
In millions |  | Parent Company Investment |  | Accumulated Other Comprehensive Income (Loss) |  | Total Parent Company Equity
Balance, January 1, 2020 |  | $ | 3,746 |  |  | $ | (1,229) |  |  | $ | 2,517 |
Adoption of ASU 2016-13 expected credit losses on trade receivables and contract assets |  | 1 |  |  | — |  |  | 1 |
Net transfers to Parent |  | (190) |  |  | — |  |  | (190) |
Comprehensive income (loss) |  | 105 |  |  | (342) |  |  | (237) |
Balance, September 30, 2020 |  | $ | 3,662 |  |  | $ | (1,571) |  |  | $ | 2,091 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 + Details
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