Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Assets
Cash and due from banks	$ 1,735		$ 1,759
Interest bearing deposits in banks	2,787		3,930
Federal funds sold and securities purchased under resale agreements	92		62
Total cash and cash equivalents	4,614		5,751
Trading account assets (includes $54 at March 31, 2015 and $69 at December 31, 2014 of assets pledged as collateral)	1,233		1,114
Securities available for sale	13,338		13,724
Securities held to maturity (Fair value $9,333 at March 31, 2015 and $8,412 at December 31, 2014)	9,125		8,291
Loans held for investment	76,808	[1]	76,804	[1]
Allowance for loan losses	(530)		(537)
Loans held for investment, net	76,278		76,267
Premises and equipment, net	623		621
Goodwill	3,225		3,225
Other assets	5,262		4,630
Total assets	113,698		113,623
Deposits:
Noninterest bearing	29,854		30,534
Interest bearing	52,887		55,470
Total deposits	82,741		86,004
Commercial paper and other short-term borrowings	3,475		2,704
Long-term debt	8,856		6,972
Trading account liabilities	944		894
Other liabilities	2,266		1,897
Total liabilities	98,282		98,471
Commitments, contingencies and guarantees—See Note 11
MUAH stockholder's equity:
Authorized 5,000,000 shares; no shares issued or outstanding	0		0
Authorized 300,000,000 shares, 136,330,831 shares issued and outstanding as of March 31, 2015 and December 31, 2014	136		136
Additional paid-in capital	7,241		7,232
Retained earnings	8,420		8,283
Accumulated other comprehensive loss	(597)		(729)
Total MUAH stockholder's equity	15,200		14,922
Noncontrolling interests	216		230
Total equity	15,416		15,152
Total liabilities and equity	$ 113,698		$ 113,623

[1] Includes $150 million and $151 million at March 31, 2015 and December 31, 2014, respectively, for net unamortized discounts and premiums and deferred fees and costs.