Represents the portion of other investments categorized as agent loans, as of the balance sheet date.

No definition available.

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- Definition

Represents the portion of other investments categorized as bank loans, as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Represents contract holder funds on investment contracts as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

The liability to return cash and securities received as collateral in conjunction with securities lending and over-the-counter derivatives.

+ References

No definition available.

+ Details

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- References

No definition available.

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- References

No definition available.

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- Definition

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

+ References

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

The amount for notes payable (written promise to pay), due to related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.17)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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Fair Value of Assets and Liabilities - Carrying Values and Fair Value Estimates of Financial Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Financial assets
Mortgage loans	$ 3,988	$ 3,876
Financial liabilities
Liability for collateral	461	542	$ 575	$ 550
Notes due to related parties	140	140
Carrying value
Financial assets
Mortgage loans	3,988	3,876
Bank loans	450	437
Agent loans	562	538
Financial liabilities
Contractholder funds on investment contracts	10,053	10,331
Liability for collateral	461	542
Notes due to related parties	140	140
Fair value
Financial assets
Mortgage loans	4,081	4,052
Bank loans	451	437
Agent loans	553	536
Financial liabilities
Contractholder funds on investment contracts	10,562	11,036
Liability for collateral	461	542
Notes due to related parties	$ 139	$ 141