Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net income (loss) from continuing operations	$ 1,532	$ 1,181	$ 1,547	$ 3,448
Other comprehensive income (loss), before tax and net of reclassifications into Net income:
Net change in debt securities	10	214	2,028	1,556
Net change in cash flow hedge derivatives	(119)	79	678	433
Pension and other postretirement benefit plan adjustments	2	2	(3)	63
Net change in Other	0	4	10	14
Other comprehensive income (loss), before tax and net of reclassifications into Net income	(107)	276	2,861	2,037
Income tax benefit (expense) related to items of other comprehensive income	35	(70)	(663)	(475)
Other comprehensive income (loss), after tax and net of reclassifications into Net income	(72)	206	2,198	1,562
Net income from discontinued operations		211	4,555	589
Other comprehensive income (loss), after tax and net of reclassifications into Net income	(72)	206	2,198	1,562
Comprehensive income	1,460	1,598	8,300	5,599
Less: Comprehensive income attributable to noncontrolling interests	13	13	27	35
Comprehensive income attributable to PNC	1,447	1,585	8,273	5,564
Discontinued Operations, Disposed of by Sale
Other comprehensive income (loss), before tax and net of reclassifications into Net income:
Other comprehensive income (loss), before tax and net of reclassifications into Net income	0	(23)	148	(29)
Income tax benefit (expense) related to items of other comprehensive income	0	4	(33)	6
Other comprehensive income (loss), after tax and net of reclassifications into Net income	0	(19)	115	(23)
Continuing Operations
Other comprehensive income (loss), before tax and net of reclassifications into Net income:
Other comprehensive income (loss), before tax and net of reclassifications into Net income	(107)	299	2,713	2,066
Income tax benefit (expense) related to items of other comprehensive income	35	(74)	(630)	(481)
Other comprehensive income (loss), after tax and net of reclassifications into Net income	$ (72)	$ 225	$ 2,083	$ 1,585