LOANS AND ALLOWANCE FOR CREDIT LOSSES (Consumer Lending Asset Quality Indicators-CLTV Range) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013		Jun. 30, 2013
Loans Receivable [Line Items]
Financing receivable	$ 75,928,295		$ 50,050,626		$ 50,352,595
Home mortgages [Member]
Loans Receivable [Line Items]
Financing receivable	9,651,706	[1]	9,672,204	[1]
Percentage of total home mortgages	100.00%	[1]	100.00%	[1]
Self-originated home equity [Member]
Loans Receivable [Line Items]
Financing receivable	6,190,475		6,311,694
Percentage of total self-originated home equity loans	100.00%		100.00%
LTV of less than or equal to 80% [Member] | Home mortgages [Member]
Loans Receivable [Line Items]
Financing receivable	7,638,124	[1]	7,124,926	[1]
Percentage of total home mortgages	79.10%	[1]	73.70%	[1]
LTV of less than or equal to 80% [Member] | Self-originated home equity [Member]
Loans Receivable [Line Items]
Financing receivable	4,807,983		4,061,541
Percentage of total self-originated home equity loans	77.70%		64.30%
LTV of 80.01% to 90% [Member] | Home mortgages [Member]
Loans Receivable [Line Items]
Financing receivable	603,291	[1]	665,806	[1]
Percentage of total home mortgages	6.30%	[1]	6.90%	[1]
LTV of 80.01% to 90% [Member] | Self-originated home equity [Member]
Loans Receivable [Line Items]
Financing receivable	351,249		946,933
Percentage of total self-originated home equity loans	5.70%		15.00%
LTV of 90.01% to 100% [Member] | Home mortgages [Member]
Loans Receivable [Line Items]
Financing receivable	464,951	[1]	647,079	[1]
Percentage of total home mortgages	4.80%	[1]	6.70%	[1]
LTV of 90.01% to 100% [Member] | Self-originated home equity [Member]
Loans Receivable [Line Items]
Financing receivable	218,471		357,817
Percentage of total self-originated home equity loans	3.50%		5.70%
LTV of 100.01% to 120% [Member] | Home mortgages [Member]
Loans Receivable [Line Items]
Financing receivable	276,393	[1]	451,833	[1]
Percentage of total home mortgages	2.90%	[1]	4.70%	[1]
LTV of 100.01% to 120% [Member] | Self-originated home equity [Member]
Loans Receivable [Line Items]
Financing receivable	282,413		338,194
Percentage of total self-originated home equity loans	4.60%		5.40%
LTV of 120.01% to 140% [Member] | Home mortgages [Member]
Loans Receivable [Line Items]
Financing receivable	114,636	[1]	188,201	[1]
Percentage of total home mortgages	1.20%	[1]	1.90%	[1]
LTV of 120.01% to 140% [Member] | Self-originated home equity [Member]
Loans Receivable [Line Items]
Financing receivable	106,662		125,099
Percentage of total self-originated home equity loans	1.70%		2.00%
LTV greater than 140% [Member] | Home mortgages [Member]
Loans Receivable [Line Items]
Financing receivable	134,741	[1]	199,016	[1]
Percentage of total home mortgages	1.40%	[1]	2.10%	[1]
LTV greater than 140% [Member] | Self-originated home equity [Member]
Loans Receivable [Line Items]
Financing receivable	84,424		108,664
Percentage of total self-originated home equity loans	1.40%		1.70%
LTV not applicable [Member] | Home mortgages [Member]
Loans Receivable [Line Items]
Financing receivable	419,570	[1]	395,343	[1]
Percentage of total home mortgages	4.30%	[1]	4.00%	[1]
LTV not applicable [Member] | Self-originated home equity [Member]
Loans Receivable [Line Items]
Financing receivable	$ 339,273		$ 373,446
Percentage of total self-originated home equity loans	5.40%		5.90%

[1] Includes LHFS.