Consolidated Statement of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Net income (a)	$ 1,052	[1]	$ 1,115	[1]	$ 2,112	[1]	$ 2,110	[1]
Other Comprehensive Income (Loss), before Tax [Abstract]
Net unrealized gains (losses) on non-OTTI securities	212		(793)		401		(963)
Net unrealized gains (losses) on OTTI securities	41		(45)		107		96
Net unrealized gains (losses) on cash flow hedge derivatives	81		(281)		76		(388)
Pension and other postretirement benefit plan adjustments	9		7		91		53
Other	(4)		(7)		7		(13)
Other comprehensive income (loss), before tax and net of reclassifications into Net income	339		(1,119)		682		(1,215)
Income tax benefit (expense) related to items of other comprehensive income	(114)		397		(237)		426
Other comprehensive income (loss), after tax and net of reclassifications into Net income	225		(722)		445		(789)
Comprehensive income	1,277		393		2,557		1,321
Less: Comprehensive income (loss) attributable to noncontrolling interests (a)	3	[1]	4	[1]	1	[1]	(4)	[1]
Comprehensive income attributable to PNC	$ 1,274		$ 389		$ 2,556		$ 1,325

[1] Amounts for 2013 periods have been updated to reflect the first quarter 2014 adoption of Accounting Standards Update (ASU) 2014-01 related to investments in low income housing tax credits.