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Consolidated Statement of Comprehensive Income - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 1,570 | $ 1,640 | $ 4,764 | $ 4,565
Other comprehensive income (loss), before tax and net of reclassifications into Net income |  |  |  |
Net change in debt securities | (932) | (1,738) | (304) | (10,768)
Net change in cash flow hedge derivatives | (35) | (1,025) | 176 | (3,484)
Pension and other postretirement benefit plan adjustments | 1 | 2 | (3) | 64
Net change in Other | 1 | 4 | 8 | (3)
Other comprehensive loss, before tax and net of reclassifications into Net income | (965) | (2,757) | (123) | (14,191)
Income tax benefit related to items of other comprehensive income | 229 | 629 | 34 | 3,296
Other comprehensive income loss, after tax and net of reclassifications into Net income | (736) | (2,128) | (89) | (10,895)
Comprehensive income (loss) | 834 | (488) | 4,675 | (6,330)
Less: Comprehensive income attributable to noncontrolling interests | 16 | 16 | 50 | 52
Comprehensive income (loss) attributable to PNC | $ 818 | $ (504) | $ 4,625 | $ (6,382)

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