Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Supplemental Cash Flow Information

Significant noncash activities are presented below.

	Six months ended June 30,
(in millions)	2015		2014
Trading assets retained from securitization of MHFS	$	20,816	12,373
Transfers from loans to MHFS	4,757		6,662
Transfers from loans to LHFS	52		9,828
Transfers from loans to foreclosed and other assets	1,688		2,268
Transfers from available-for-sale to held-to-maturity securities	4,972		—