The allowance for loan and lease losses represents the reserve to cover probable credit losses related to specifically identified loans and leases, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for loan losses in connection with business combinations determined to be appropriate.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher OTS

-Name Federal Regulation (FR)

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-Chapter V

-Section 563c.102

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-Subparagraph a(ii)

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-LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 9

-Section 03

-Paragraph 7

-Subparagraph d

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 8, 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

+ Details

LENDING ACTIVITIES (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010
Composition of Mortgages and other loans receivable
Total mortgage and other loans receivable	$ 20,227	$ 20,229
Allowance for losses	(708)	(740)	(843)	(878)
Mortgage and other loans receivable, net	19,519	19,489
Commercial mortgages
Composition of Mortgages and other loans receivable
Total mortgage and other loans receivable	13,764	13,554
Allowance for losses	(296)	(305)	(422)	(470)
Percentage of loans that are current as to payments of principal and interest	98.00%	98.00%
Commercial mortgages \| California
Composition of Mortgages and other loans receivable
Percentage of mortgage loans in geographic area	24.00%	24.00%
Commercial mortgages \| New York
Composition of Mortgages and other loans receivable
Percentage of mortgage loans in geographic area	14.00%	14.00%
Life insurance policy loans
Composition of Mortgages and other loans receivable
Total mortgage and other loans receivable	3,022	3,049
Commercial loans, other loans and notes receivable
Composition of Mortgages and other loans receivable
Total mortgage and other loans receivable	$ 3,441	$ 3,626