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)
-Number Title 12
-Chapter V
-Section 563c.102
-Paragraph 8
-Subparagraph a(ii)
-Subsection I
-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)
-Number 114
-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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010	Dec. 31, 2009
Composition of mortgage and other loans receivable
Total mortgage and other loans receivable	$ 20,088	$ 21,115
Allowance for losses	(835)	(878)	(2,328)	(2,444)
Mortgage and other loans receivable, net	19,253	20,237
Commercial mortgages
Composition of mortgage and other loans receivable
Total mortgage and other loans receivable	13,303	13,571
Allowance for losses	(432)	(470)	(417)	(432)
Percentage of loans that are current as to payments of principal and interest (as a percent)	98.00%	97.00%
Commercial mortgages \| California
Composition of mortgage and other loans receivable
Percentage of mortgage loans in geographic area (as a percent)	26.00%
Commercial mortgages \| New York
Composition of mortgage and other loans receivable
Percentage of mortgage loans in geographic area (as a percent)	11.00%
Residential mortgages
Composition of mortgage and other loans receivable
Total mortgage and other loans receivable	9	9
Life insurance policy loans
Composition of mortgage and other loans receivable
Total mortgage and other loans receivable	3,071	3,133
Commercial loans, other loans and notes receivable
Composition of mortgage and other loans receivable
Total mortgage and other loans receivable	$ 3,705	$ 4,402