LOANS (Details 7) (Corporate., USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Financing receivable impaired
Recorded Investment	$ 4,819		$ 4,819		$ 8,610
Unpaid principal balance	6,800		6,800		13,203
Related Specific Allowance	617		617		1,689
Average Carrying Value	7,214		7,214		10,633
Interest Income Recognized	33	30	46	42
Impaired financing receivable with specific allowance	2,444		2,444		6,324
Impaired financing receivable without specific allowance	2,375		2,375		2,286
Mortgage and real estate
Financing receivable impaired
Recorded Investment	1,911		1,911		1,782
Unpaid principal balance	2,138		2,138		2,328
Related Specific Allowance	204		204		369
Average Carrying Value	1,914		1,914		2,474
Interest Income Recognized	4		7
Impaired financing receivable with specific allowance	956		956		1,008
Impaired financing receivable without specific allowance	955		955		774
Commercial and industrial
Financing receivable impaired
Recorded Investment	1,326		1,326		5,125
Unpaid principal balance	1,845		1,845		8,021
Related Specific Allowance	247		247		843
Average Carrying Value	3,498		3,498		6,016
Interest Income Recognized	16		24
Impaired financing receivable with specific allowance	686		686		4,257
Impaired financing receivable without specific allowance	640		640		868
Lease financing
Financing receivable impaired
Recorded Investment	24		24		45
Unpaid principal balance	33		33		71
Average Carrying Value	42		42		55
Interest Income Recognized	1		2
Impaired financing receivable without specific allowance	24		24		45
Other,
Financing receivable impaired
Recorded Investment	439		439		400
Unpaid principal balance	922		922		948
Related Specific Allowance	119		119		218
Average Carrying Value	705		705		1,205
Interest Income Recognized	12		13
Impaired financing receivable with specific allowance	270		270		241
Impaired financing receivable without specific allowance	169		169		159
Financial institutions
Financing receivable impaired
Recorded Investment	1,119		1,119		1,258
Unpaid principal balance	1,862		1,862		1,835
Related Specific Allowance	47		47		259
Average Carrying Value	1,055		1,055		883
Impaired financing receivable with specific allowance	532		532		818
Impaired financing receivable without specific allowance	$ 587		$ 587		$ 440