Average Debt Service Coverage Ratio Of Mortgages Subject To Loss Sharing Arrangements

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- Definition

Average Loan To Value Ratio Of Mortgages Subject To Loss Sharing Arrangements

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No definition available.

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- Definition

Losses Incurred On Mortgages Serviced Subject To Loss Sharing Arrangements

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No definition available.

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- Definition

Dollar amount of loans serviced by the company that are subject to loss sharing agreements.

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No definition available.

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Loss, including interest and principal, incurred on a defaulted security, expressed as a percentage of the original principal balance, used as an input to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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Indicates, if estimable, (as a percentage) the approximate extent to which the proceeds from liquidation of any assets held either as collateral or by third parties would be expected to cover the maximum potential amount of future payments under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (f)
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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

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-Section 50
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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Commitments and Guarantees, Contingent Liabilities and Litigation and Regulatory Matters (Narrative Excluding Litigation) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Commitments and Guarantees and Contingent Liabilities [Line Items]
Rental expense, net of sub-lease income	$ 258	$ 252	$ 232
Operating and capital leases reserve accrual	644
Sub-lease income accrual	0
Accrued reserves
Commitments and Guarantees and Contingent Liabilities [Line Items]
Operating and capital leases reserve accrual	2
Sub-lease income accrual	$ 0
Indemnification \| Securities Lending Transactions
Commitments and Guarantees and Contingent Liabilities [Line Items]
Guarantor Obligations, Liquidation Proceeds, Percentage	102.00%
Indemnification \| Serviced Mortgages Loans
Commitments and Guarantees and Contingent Liabilities [Line Items]
Mortgages subject to loss-sharing arrangements	$ 12,892	$ 11,445
Weighted-average debt service coverage ratio of mortgages subject to loss-sharing arrangements	1.82	1.82
Weighted-average loan-to-value ratio of mortgages subject to loss-sharing arrangements	59.00%	59.00%
Total share of losses settled	$ 0	$ 0	$ 1
Indemnification \| Minimum \| Serviced Mortgages Loans
Commitments and Guarantees and Contingent Liabilities [Line Items]
Share losses incurred of loan balances, Percent	2.00%
Indemnification \| Maximum \| Serviced Mortgages Loans
Commitments and Guarantees and Contingent Liabilities [Line Items]
Share losses incurred of loan balances, Percent	20.00%
Yield maintenance guarantee
Commitments and Guarantees and Contingent Liabilities [Line Items]
Guarantees related to certain investments the Company sold	$ 31	$ 51