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CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - 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 (loss) |  | $ (752) | $ 1,869 | $ 514 | $ 3,425
Other comprehensive income (loss) items: |  |  |  |  |
Losses on derivatives | [1] | (114) | (1) | (130) | (5)
Pension and postretirement (losses) gains | [2] | (34) | 144 | (30) | 153
Reclassification of losses on derivatives | [3] | 0 | 10 | 0 | 13
Other comprehensive (loss) income, net of tax |  | (148) | 153 | (160) | 161
Comprehensive income (loss) |  | (900) | 2,022 | 354 | 3,586
Comprehensive income attributable to noncontrolling interests |  | (42) | 0 | (42) | 0
Comprehensive income (loss) attributable to preferred and common stockholders |  | $ (942) | $ 2,022 | $ 312 | $ 3,586
[1] | Net of tax of $32 million and zero for the three months ended September 30, 2019, and 2018, and $36 million and $1 million for the nine months ended September 30, 2019, and 2018, respectively.
[2] | Net of tax of $10 million and $(40) million for the three months ended September 30, 2019, and 2018, and $8 million and $(43) million for the nine months ended September 30, 2019, and 2018, respectively.
[3] | Net of tax of $(3) million for the three months ended September 30, 2018, and $(4) million for the nine months ended September 30, 2018, respectively.

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