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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 449 | $ 443 | $ 1,341 | $ 1,256
Other comprehensive income (loss): |  |  |  |
Net unrealized derivative instruments (losses) gains arising during the periods, net of income taxes of ($1), ($9), $35 and ($31), respectively | (4) |  | 103 |
Net unrealized derivative instrument gains (losses) arising during the periods, net of income taxes of ($1), ($9), $35 and ($31), respectively, before 2017-12 adoption |  | (26) |  | (91)
Reclassification adjustment for net derivative losses included in net income, net of income taxes of $4, $3, $13 and $6, respectively | 10 |  | 40 |
Reclassification adjustment for net derivative losses, included in net income, net of income taxes of $4, $3, $13, and $6, respectively, before 2017-12 adoption |  | 11 |  | 19
Net unrealized debt securities gains (losses) arising during the periods, net of income taxes of $13, ($34), $165 and ($139), respectively | 42 | (95) | 509 | (427)
Other-than-temporary impairment not recognized in earnings on debt securities, net of income taxes of $0, ($1), $0 and ($1), respectively | (1) | 0 | 0 | (1)
Reclassification of net debt securities gains to net income, net of income taxes of $0, $0, ($3) and ($2), respectively | (2) | (2) | (10) | (8)
Amortization of actuarial loss, net of income taxes of $2, $1, $5 and $3, respectively | 3 | 4 | 9 | 10
Net other comprehensive (loss) income | 48 | (108) | 651 | (498)
Total comprehensive income | $ 497 | $ 335 | $ 1,992 | $ 758

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