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Derivatives Instruments Level 4 Derivative Balance Sheet Classification (Details) - USD ($) $ in Millions | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Amount Not Offset Against Collateral | $ 809 | $ 963
Derivative, Notional Amount | 52,286 | 56,216
Derivative, Fair Value, Net | (498) | (1,001)
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement | 1,199 | 976
Derivative Asset, Fair Value, Gross Asset | 1,091 | 834
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset | 1,006 | 670
Derivative, Collateral, Obligation to Return Cash | (118) | (344)
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement | (1,697) | (1,977)
Derivative Asset, Fair Value of Collateral | 42 | 103
Derivative Asset, Fair Value, Amount Offset Against Collateral | 43 | 61
Derivative Liability, Fair Value, Gross Liability | (1,604) | (1,703)
Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset | 703 | 884
Derivative, Collateral, Right to Reclaim Cash | 185 | 130
Derivative Liability, Fair Value of Collateral | 888 | 763
Derivative Liability, Fair Value, Amount Offset Against Collateral | 13 | 56
Fixed Maturities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 156 | 322
Derivative, Fair Value, Net | 0 | 1
Derivative Asset, Fair Value, Gross Asset | 0 | 1
Derivative Liability, Fair Value, Gross Liability | 0 | 0
Other Investments [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 12,797 | 23,620
Derivative, Fair Value, Net | 203 | (180)
Derivative Asset, Fair Value, Gross Asset | 281 | 377
Derivative Liability, Fair Value, Gross Liability | (78) | (557)
Other Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 24,203 | 15,526
Derivative, Fair Value, Net | (716) | (689)
Derivative Asset, Fair Value, Gross Asset | 810 | 457
Derivative Liability, Fair Value, Gross Liability | (1,526) | (1,146)
Reinsurance Recoverable [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 3,333 | 3,584
Derivative, Fair Value, Net | 108 | 141
Derivative Asset, Fair Value, Gross Asset | 108 | 141
Derivative Liability, Fair Value, Gross Liability | 0 | 0
Other Policyholder Funds and Benefits Payable [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 11,797 | 13,164
Derivative, Fair Value, Net | (93) | (274)
Derivative Asset, Fair Value, Gross Asset | 0 | 0
Derivative Liability, Fair Value, Gross Liability | (93) | (274)
Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 48,132 | 52,537
Derivative, Fair Value, Net | (479) | (907)
Derivative Asset, Fair Value, Gross Asset | 1,114 | 954
Derivative Liability, Fair Value, Gross Liability | (1,593) | (1,861)
Put Option [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 0 | 500
Derivative, Fair Value, Net | 0 | 1
Derivative Asset, Fair Value, Gross Asset | 0 | 1
Derivative Liability, Fair Value, Gross Liability | 0 | 0
Derivative Financial Instruments, Liabilities [Member] | Other Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets (Liabilities), at Fair Value, Net | (716) | (689)
Derivative Financial Instruments, Assets [Member] | Other Investments [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets (Liabilities), at Fair Value, Net | 203 | (180)
Interest Rate Contract [Member] | Other Investments [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets (Liabilities), at Fair Value, Net | 2 | (427)
Interest Rate Contract [Member] | Other Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets (Liabilities), at Fair Value, Net | (479) | (542)
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 11,228 | 11,743
Derivative, Fair Value, Net | (476) | (890)
Derivative Asset, Fair Value, Gross Asset | 634 | 264
Derivative Liability, Fair Value, Gross Liability | (1,110) | (1,154)
Interest Rate Contract [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 3,855 | 3,440
Derivative, Fair Value, Net | (1) | (79)
Derivative Asset, Fair Value, Gross Asset | 79 | 11
Derivative Liability, Fair Value, Gross Liability | (80) | (90)
Cash Flow Hedging [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 4,154 | 3,679
Derivative, Fair Value, Net | (19) | (94)
Derivative Asset, Fair Value, Gross Asset | 85 | 22
Derivative Liability, Fair Value, Gross Liability | (104) | (116)
Currency Swap [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 165 | 1,064
Derivative, Fair Value, Net | (1) | 68
Derivative Asset, Fair Value, Gross Asset | 0 | 70
Derivative Liability, Fair Value, Gross Liability | (1) | (2)
Currency Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 299 | 239
Derivative, Fair Value, Net | (18) | (15)
Derivative Asset, Fair Value, Gross Asset | 6 | 11
Derivative Liability, Fair Value, Gross Liability | (24) | (26)
Three Win Related Foreign Currency Swaps [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 804 | 804
Derivative, Fair Value, Net | (255) | (263)
Derivative Asset, Fair Value, Gross Asset | 0 | 0
Derivative Liability, Fair Value, Gross Liability | (255) | (263)
Credit Default Swap, Buying Protection [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 144 | 209
Derivative, Fair Value, Net | (3) | (4)
Derivative Asset, Fair Value, Gross Asset | 0 | 0
Derivative Liability, Fair Value, Gross Liability | (3) | (4)
Credit Default Swap, Selling Protection [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 1,105 | 1,309
Derivative, Fair Value, Net | 4 | 10
Derivative Asset, Fair Value, Gross Asset | 23 | 15
Derivative Liability, Fair Value, Gross Liability | (19) | (5)
Credit Derivatives in Offsetting Positions [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 1,842 | 3,317
Derivative, Fair Value, Net | 4 | (1)
Derivative Asset, Fair Value, Gross Asset | 25 | 39
Derivative Liability, Fair Value, Gross Liability | (21) | (40)
Equity Contract [Member] | Other Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets (Liabilities), at Fair Value, Net | 2 | 33
Equity Contract [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 167 | 105
Derivative, Fair Value, Net | 2 | 0
Derivative Asset, Fair Value, Gross Asset | 2 | 33
Derivative Liability, Fair Value, Gross Liability | 0 | (33)
Equity Contract [Member] | Fair Value Hedging [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Fair Value, Net | (41) | (27)
GMWB Product Derivatives [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 11,797 | 13,114
Derivative, Fair Value, Net | (93) | (241)
Derivative Asset, Fair Value, Gross Asset | 0 | 0
Derivative Liability, Fair Value, Gross Liability | (93) | (241)
GMWB Reinsurance [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 2,450 | 2,709
Derivative, Fair Value, Net | 51 | 73
Derivative Asset, Fair Value, Gross Asset | 51 | 73
Derivative Liability, Fair Value, Gross Liability | 0 | 0
GMWB Hedging Instruments [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 9,391 | 10,256
Derivative, Fair Value, Net | 65 | 94
GMWB Hedging Instruments [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 9,391 | 10,256
Derivative, Fair Value, Net | 65 | 94
Derivative Asset, Fair Value, Gross Asset | 130 | 190
Derivative Liability, Fair Value, Gross Liability | (65) | (96)
Macro Hedge Program [Member] | Other Investments [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets (Liabilities), at Fair Value, Net | 158 | 128
Macro Hedge Program [Member] | Other Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets (Liabilities), at Fair Value, Net | 8 | 50
Macro Hedge Program [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 8,157 | 6,532
Derivative, Fair Value, Net | 166 | 178
Derivative Asset, Fair Value, Gross Asset | 192 | 201
Derivative Liability, Fair Value, Gross Liability | (26) | (23)
Coinsurance and Modified Coinsurance Reinsurance Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Fair Value, Net | 57 | 68
Derivative Asset, Fair Value, Gross Asset | 57 | 68
Derivative Liability, Fair Value, Gross Liability | 0 | 0
Coinsurance and Modified Coinsurance Reinsurance Contracts [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Invested Assets Suppoting Modco | $ 882 | $ 875

X
- Definition Amount of invested assets supporting other policyholder fund liabilities under a modified coinsurance agreement. + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, and obligation to return cash collateral under master netting arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226003-175313 + Details
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- Definition Fair value of securities received as collateral against derivative assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226013-175313 + Details
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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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- Definition Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=d3e41678-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226016-175313 + Details
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- Definition Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226016-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=d3e41678-113959 + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=64830801&loc=SL51823488-111719 + Details
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- Definition Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, and right to receive cash collateral under master netting arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226003-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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