Consolidated Statement of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net income	$ 1,123	$ 546	$ 2,127	$ 1,357
Other Comprehensive Income (Loss), before Tax [Abstract]
Net unrealized gains (losses) on non-OTTI securities	(793)	158	(963)	396
Net unrealized gains (losses) on OTTI securities	(45)	8	96	414
Net unrealized gains (losses) on cash flow hedge derivatives	(281)	6	(388)	(84)
Pension and other postretirement benefit plan adjustments	7	39	53	87
Total Other, net activity	(7)	(30)	(13)	(18)
Other comprehensive income (loss), before tax and net of reclassifications into Net income	(1,119)	181	(1,215)	795
Income tax expense related to items of other comprehensive income	397	(60)	426	(288)
Other comprehensive income (loss), after tax and net of reclassifications into Net income	(722)	121	(789)	507
Comprehensive income	401	667	1,338	1,864
Less: Comprehensive income (loss) attributable to noncontrolling interests	1	(5)	(8)	1
Comprehensive income attributable to PNC	$ 400	$ 672	$ 1,346	$ 1,863