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Equity (Schedule of Reclassifications out of AOCI) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |
Investment related gains (losses), net |  | $ (251) | $ 17
Investment income |  | 594 | 580
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest |  | (96) | 217
Income Tax Expense (Benefit) |  | 8 | (47)
Net income |  | (88) | 170
Unrealized Appreciation Depreciation Of Investments [Member] |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |
Investment related gains (losses), net |  | (39) | 0
Deferred policy acquisition costs attributed to unrealized gains and losses | [1] | (102) | 15
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest |  | (141) | 15
Income Tax Expense (Benefit) |  | 27 | (3)
Net income |  | (114) | 12
Amortization Of Unrealized Pension And Postretirement Benefits [Member] |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |
Prior service cost | [2] | 0 | 0
Actuarial gains/(losses) | [2] | (1) | (1)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest |  | (1) | (1)
Income Tax Expense (Benefit) |  | 0 | 0
Net income |  | (1) | (1)
Amounts Reclassified From AOCI [Member] |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net income |  | (115) | 11
Interest Rate Options [Member] | Unrealized Appreciation Depreciation Of Investments [Member] | Unrealized Gains Losses On Available For Sale Securities [Member] |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | [3] | 0 | 0
Currency Swap [Member] | Unrealized Appreciation Depreciation Of Investments [Member] | Unrealized Gains Losses On Available For Sale Securities [Member] |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | [3] | $ 0 | $ 0
[1] | This AOCI component is included in the computation of the deferred policy acquisition cost. See Note 8 – “Deferred Policy Acquisition Costs” of the 2019 Annual Report for additional details.
[2] | This AOCI component is included in the computation of the net periodic pension cost. See Note 10 – “Employee Benefit Plans” for additional details.
[3] | See Note 5 – “Derivative Instruments” for additional information on cash flow hedges.

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