v3.8.0.1

Policyholders' Liabilities (Policyholders' Account Balances) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Liability for Policyholders' Account Balance, by Product Segment [Line Items]
Total policyholders’ account balances	$ 148,189	$ 145,205
Individual annuities
Liability for Policyholders' Account Balance, by Product Segment [Line Items]
Total policyholders’ account balances	41,449	40,338
Group annuities
Liability for Policyholders' Account Balance, by Product Segment [Line Items]
Total policyholders’ account balances	28,152	28,350
Guaranteed investment contracts and guaranteed interest accounts
Liability for Policyholders' Account Balance, by Product Segment [Line Items]
Total policyholders’ account balances	14,002	14,528
Funding agreements
Liability for Policyholders' Account Balance, by Product Segment [Line Items]
Total policyholders’ account balances	4,631	4,794
Interest-sensitive life contracts
Liability for Policyholders' Account Balance, by Product Segment [Line Items]
Total policyholders’ account balances	36,879	34,452
Dividend accumulation and other
Liability for Policyholders' Account Balance, by Product Segment [Line Items]
Total policyholders’ account balances	$ 23,076	$ 22,743

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- Definition

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.

+ References

No definition available.

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- Definition

The liability as of the balance sheet date to the policyholders for deposits held under the terms of insurance contracts.

+ 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 210.7-03.13(a)(3))
-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 944
-SubTopic 40
-Section 30
-Paragraph 16
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49168914&loc=d3e13951-158433

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