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Derivative Instruments (Effects Of Qualifying And Non-Qualifying Hedges) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Realized Gain (Loss) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total Line Items in which the Effects of Fair Value or Cash Flow Hedges are Recorded | $ (181) | $ (24)
Net Investment Income [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total Line Items in which the Effects of Fair Value or Cash Flow Hedges are Recorded | 1,510 | 1,375
Interest and Debt Expense [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total Line Items in which the Effects of Fair Value or Cash Flow Hedges are Recorded | 65 | 68
Interest Rate Contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges Gain (Loss) | (1,159) | 2,150
Interest Rate Contracts [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Net Investment Income [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of gain or (loss) reclassified from AOCI into income | 1 |
Interest Rate Contracts [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Interest and Debt Expense [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of gain or (loss) reclassified from AOCI into income | (6) | (3)
Interest Rate Contracts [Member] | Fair Value Hedges [Member] | Designated as Hedging Instrument [Member] | Net Investment Income [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Hedged items | (84) | 127
Derivatives designated as hedging instruments | 84 | (127)
Interest Rate Contracts [Member] | Fair Value Hedges [Member] | Designated as Hedging Instrument [Member] | Interest and Debt Expense [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Hedged items | 85 | 82
Derivatives designated as hedging instruments | (85) | (82)
Foreign currency contracts [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Realized Gain (Loss) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of gain or (loss) reclassified from AOCI into income | (2) | 1
Foreign currency contracts [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Net Investment Income [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of gain or (loss) reclassified from AOCI into income | 10 | 11
Equity market contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges Gain (Loss) | 1,242 | 1,070
Credit contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges Gain (Loss) |  | (4)
Embedded derivatives - GLB [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges Gain (Loss) | 1,188 | (4,369)
Reinsurance Related [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges Gain (Loss) | 148 | 463
Indexed Annuity And IUL Contracts [Member] | Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges Gain (Loss) | $ (594) | $ 1,028

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- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986 + Details
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