Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income including noncontrolling interest	$ 2,476,050,000		$ 550,134,000
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	2,034,721,000		26,850,000
Deferred taxes	890,534,000		144,972,000
Depreciation, amortization and accretion	(291,638,000)		212,762,000
Net gain on sale of loans	(190,388,000)		(50,458,000)
Net gain on sale of investment securities	(11,480,000)		(72,773,000)
Gain on residential loan securitizations	(37,905,000)		0
Net gain on sale of leased vehicles	(4,570,000)		0
OTTI recognized in earnings	0		63,630,000
Loss on debt extinguishment	11,946,000		558,000
Net (gain)/loss on real estate owned and premises and equipment	(2,384,000)		3,196,000
Stock-based compensation	3,312,000		(1,229,000)
Equity earnings from equity method investments	(7,607,000)		(365,067,000)
Distributions from equity method investments, net	(12,112,000)		194,807,000
Originations of loans held for sale, net of repayments	(3,604,794,000)		(3,070,987,000)
Purchases of loans held-for-sale	0		(14,585,000)
Proceeds from sales of loans held-for-sale	4,597,076,000		3,766,016,000
Purchases of trading securities	(211,590,000)		0
Proceeds from sales of trading securities	88,718,000		0
Net change in:
Other assets and bank owned life insurance	524,975,000		177,076,000
Other liabilities	(449,919,000)		(326,797,000)
Other	14,760,000		23,266,000
NET CASH PROVIDED BY OPERATING ACTIVITIES	3,378,518,000		1,261,371,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales of available-for-sale investment securities	311,019,000		8,044,695,000
Proceeds from prepayments and maturities of available-for-sale investment securities	1,711,253,000		2,763,871,000
Purchases of available-for-sale investment securities	(3,852,941,000)		(4,170,437,000)
Proceeds from sales of other investments	263,059,000		292,033,000
Proceeds from maturities of other investments	20,000,000		0
Purchases of other investments	(265,411,000)		(22,260,000)
Net change in restricted cash	(44,313,000)		370,170,000
Proceeds from sales of loans held for investment	878,956,000		102,033,000
Purchases of loans held for investment	(1,147,709,000)		(1,436,523,000)
Net change in loans other than purchases and sales	(4,969,990,000)		3,779,145,000
Purchases of leased vehicles	(4,579,833,000)		0
Proceeds from the sale of leased vehicles	410,529,000		0
Manufacturer incentives	564,376,000		0
Proceeds from sales of real estate owned and premises and equipment	50,964,000		34,701,000
Purchases of premises and equipment	(204,626,000)		(129,657,000)
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 (USED IN)/PROVIDED BY INVESTING ACTIVITIES	(10,674,732,000)		9,627,771,000
CASH FLOWS FROM FINANCING ACTIVITIES:
Net change in deposits and other customer accounts	2,034,024,000		(1,479,621,000)
Net change in short-term borrowings	51,036,000		(6,843,812,000)
Net proceeds from long-term borrowings	29,068,188,000		528,749,000
Repayments of long-term borrowings	(26,895,463,000)		(267,017,000)
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)	(913,635,000)		(2,040,494,000)
Net change in advance payments by borrowers for taxes and insurance	20,678,000		45,562,000
Cash dividends paid to preferred stockholders	(10,949,000)		(10,950,000)
Dividends paid to noncontrolling interest	(20,668,000)		0
Proceeds from the issuance of common stock	1,787,285,000		0
NET CASH PROVIDED BY/(USED IN) FINANCING ACTIVITIES	5,120,496,000		(8,567,583,000)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(2,175,718,000)		2,321,559,000
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	4,226,947,000		2,220,811,000
CASH AND CASH EQUIVALENTS, END OF PERIOD	2,051,229,000		4,542,370,000
SUPPLEMENTAL DISCLOSURES
Income taxes paid/(received), net	(135,644,000)		93,566,000
Interest paid	884,032,000		602,246,000
NON-CASH TRANSACTIONS
Loans transferred to other real estate owned	41,207,000	[1]	60,171,000	[1]
Loans transferred to repossessed vehicles	115,466,000	[1]	0	[1]
Loans transferred from held for investment to held for sale, net	(371,377,000)	[1]	0	[1]
Conversion of debt to common equity	750,000,000	[1]	0	[1]
Liquidation of common equity securities	(24,742,000)	[1]	0	[1]
Increase (Decrease) in Accounts Receivable from Securitization	$ 1,566,612,000	[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.