Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income including noncontrolling interest	$ 2,216,958,000		$ 473,426,000
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on SCUSA Change in Control	(2,291,003,000)		0
Net gain on sale of SCUSA shares	(137,536,000)		0
Gain on sale of branches	(10,648,000)		0
Provision for credit losses	1,021,364,000		26,850,000
Deferred taxes	854,940,000		104,599,000
Depreciation, amortization and accretion	305,517,000		147,506,000
Net gain on sale of loans	(47,303,000)		(50,876,000)
Net gain on sale of investment securities	(11,349,000)		(96,195,000)
Net gain on sale of leased vehicles	(5,576,000)		0
OTTI recognized in earnings	0		63,630,000
Loss on debt extinguishment	3,635,000		270,000
Net loss on real estate owned and premises and equipment	(3,590,000)		2,213,000
Stock-based compensation	2,840,000		(1,441,000)
Equity earnings from equity method investments	(12,226,000)		(294,737,000)
Distributions from equity method investments, net	(13,498,000)		191,997,000
Originations of loans held for sale, net of repayments	(2,264,013,000)		(2,440,144,000)
Purchases of loans held-for-sale	0		(13,841,000)
Proceeds from sales of loans held-for-sale	2,587,625,000		2,840,519,000
Purchases of trading securities	(211,590,000)		0
Proceeds from sales of trading securities	86,474,000		0
Net change in:
Other assets and bank owned life insurance	955,627,000		162,479,000
Other liabilities	(683,581,000)		(287,920,000)
Other	(3,558,000)		38,741,000
NET CASH PROVIDED BY OPERATING ACTIVITIES	2,339,509,000		867,076,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales of available-for-sale investment securities	289,881,000		5,695,170,000
Proceeds from prepayments and maturities of available-for-sale investment securities	1,179,870,000		2,144,432,000
Purchases of available-for-sale investment securities	(1,286,348,000)		(3,362,266,000)
Proceeds from sales of other investments	166,012,000		66,240,000
Purchases of other investments	(194,110,000)		(22,260,000)
Net change in restricted cash	(88,255,000)		354,275,000
Proceeds from sales of loans held for investment	952,864,000		69,554,000
Purchases of loans held for investment	(1,039,938,000)		(430,686,000)
Net change in loans other than purchases and sales	(4,974,462,000)		2,716,422,000
Purchases of leased vehicles	(3,162,089,000)		0
Proceeds from the sale of leased vehicles	364,833,000		0
Manufacturer incentives	479,924,000		0
Proceeds from sales of real estate owned and premises and equipment	632,614,000		27,640,000
Purchases of premises and equipment	(141,599,000)		(86,911,000)
Net cash transferred on the sale of branches	(151,286,000)		0
Proceeds from sale of SCUSA shares	320,145,000		0
Cash acquired in SCUSA Change in Control	11,076,000		0
NET CASH PROVIDED BY/(USED IN) INVESTING ACTIVITIES	(6,640,868,000)		7,171,610,000
CASH FLOWS FROM FINANCING ACTIVITIES:
Net change in deposits and other customer accounts	552,862,000		(1,061,280,000)
Net change in short-term borrowings	(157,976,000)		(6,594,941,000)
Net proceeds from long-term borrowings	18,173,797,000		0
Repayments of long-term borrowings	(16,684,629,000)		(260,058,000)
Proceeds from FHLB advances (with maturities greater than 90 days)	0		1,500,000,000
Repayments of FHLB advances (with maturities greater than 90 days)	813,635,000		(40,494,000)
Net change in advance payments by borrowers for taxes and insurance	12,957,000		23,671,000
Cash dividends paid to preferred stockholders	(7,300,000)		(7,300,000)
Dividends paid to noncontrolling interest	(20,667,000)		0
Proceeds from the issuance of common stock	1,777,381,000		0
NET CASH PROVIDED BY/(USED IN) FINANCING ACTIVITIES	4,460,060,000		(6,440,402,000)
NET CHANGE IN CASH AND CASH EQUIVALENTS	158,701,000		1,598,284,000
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	4,226,947,000		2,220,811,000
CASH AND CASH EQUIVALENTS, END OF PERIOD	4,385,648,000		3,819,095,000
SUPPLEMENTAL DISCLOSURES
Income taxes paid/(received), net	(399,502,000)		60,970,000
Interest paid	552,892,000		401,074,000
NON-CASH TRANSACTIONS(1)
Loans transferred to other real estate owned	26,458,000	[1]	35,608,000	[1]
Loans transferred to repossessed vehicles	601,659,000	[1]	0	[1]
Loans transferred from held for investment to held for sale, net	225,262,000	[1]	14,898,000	[1]
Conversion of debt to common equity	750,000,000	[1]	0	[1]
Liquidation of common equity securities	$ 24,742,000	[1]	$ 0	[1]

[1] The Change in Control and subsequent consolidation of SCUSA was accounted for as a non-cash transaction. See Note 3 to the Condensed Consolidated Financial Statements for detail on the Change in Control.