Below Investment Grade Securities, Gross Unrealized Losses

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- Definition

The amount of any significant purchases of commercial mortgage and other loans during the period.

+ References

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The amount of any significant sales of commercial mortgage and other loans during the period.

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- Definition

Commercial Mortgage Loan, Concentration Percentage

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- Definition

Investment Grade Securities, Gross Unrealized Losses

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- Definition

Other Trading Securities, Unrealized Holding Gain (Loss)

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- Definition

[Line Items] for Schedule Of Marketable Securities [Table]

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- Definition

Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses

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- Definition

Securities, Continuous Unrealized Loss Position, declines in value of greater than 20 Percent Aggregate Losses

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- Definition

Securities, Continuous Unrealized Loss Position, Less than 6 Months, Aggregate Losses

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- Definition

Troubled Debt Restructuring Commitment To Borrowers

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- Definition

Troubled Debt Restructuring, Private Debt Commitments

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Amount, after allowance for bad debt, of commercial and industrial loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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- Definition

Other short-term assets not otherwise listed in the existing taxonomy that are pledged or subject to withdrawal restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of unrealized holding gain (loss) recognized in the income statement for investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Trading Securities
-URI http://asc.fasb.org/extlink&oid=6526789

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 35
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-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e24584-111560

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-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

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Investments (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
Investments (Narrative) (Details) - USD ($)	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Investments [Abstract]
Net change in unrealized gains (losses) from trading account assets supporting insurance liabilities	$ 136,000,000	$ (276,000,000)	$ 375,000,000	$ (266,000,000)
Net change in unrealized gains (losses) from other trading account assets	137,000,000	$ 61,000,000	161,000,000	9,000,000
Schedule Of Marketable Securities [Line Items]
Net carrying value of commercial loans held for sale	591,000,000		591,000,000		$ 274,000,000
Acquired	0			53,000,000
Sold	0			$ 18,000,000
Troubled Debt Restructuring Commitment To Borrowers	0		0		0
Troubled Debt Restructuring, Private Debt Commitments			0
Gross unrealized losses related to high or highest quality securities	1,349,000,000		1,349,000,000		3,750,000,000
Gross unrealized losses related to other than high or highest quality securities	542,000,000		542,000,000		583,000,000
Twelve months or more Unrealized Losses	1,196,000,000		1,196,000,000		1,802,000,000
Gross unrealized losses representing declines in value of greater than 20%	24,000,000		24,000,000		19,000,000
Gross unrealized losses in a continuous loss position for less than six months	11,000,000		11,000,000		$ 19,000,000
Other Restricted Assets, Current	$ 1,200,000,000		$ 1,200,000,000
California
Schedule Of Marketable Securities [Line Items]
Commercial mortgage loan, concentration percentage	26.00%		26.00%
New York
Schedule Of Marketable Securities [Line Items]
Commercial mortgage loan, concentration percentage	9.00%		9.00%
Texas
Schedule Of Marketable Securities [Line Items]
Commercial mortgage loan, concentration percentage	9.00%		9.00%
Europe
Schedule Of Marketable Securities [Line Items]
Commercial mortgage loan, concentration percentage	4.00%		4.00%
Asia
Schedule Of Marketable Securities [Line Items]
Commercial mortgage loan, concentration percentage	1.00%		1.00%