Consolidated Statement of Comprehensive Income - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net income	$ 1,044,000,000	$ 1,052,000,000	$ 2,048,000,000	$ 2,112,000,000
Other Comprehensive Income (Loss), before Tax [Abstract]
Net unrealized gains (losses) on non-OTTI securities	(365,000,000)	212,000,000	(291,000,000)	401,000,000
Net unrealized gains (losses) on OTTI securities	4,000,000	41,000,000	7,000,000	107,000,000
Net unrealized gains (losses) on cash flow hedge derivatives	(170,000,000)	81,000,000	69,000,000	76,000,000
Pension and other postretirement benefit plan adjustments	(10,000,000)	9,000,000	50,000,000	91,000,000
Other	(9,000,000)	(4,000,000)	(36,000,000)	7,000,000
Other comprehensive income (loss), before tax and net of reclassifications into Net income	(550,000,000)	339,000,000	(201,000,000)	682,000,000
Income tax benefit (expense) related to items of other comprehensive income	226,000,000	(114,000,000)	77,000,000	(237,000,000)
Other comprehensive income (loss), after tax and net of reclassifications into Net income	(324,000,000)	225,000,000	(124,000,000)	445,000,000
Comprehensive income	720,000,000	1,277,000,000	1,924,000,000	2,557,000,000
Less: Comprehensive income (loss) attributable to noncontrolling interests	4,000,000	3,000,000	5,000,000	1,000,000
Comprehensive income attributable to PNC	$ 716,000,000	$ 1,274,000,000	$ 1,919,000,000	$ 2,556,000,000