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Derivative Instruments (Change In Our Unrealized Gain On Derivative Instruments In Accumulated OCI) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Change in our unrealized gain on derivative instruments in accumulated OCI |  |  |
Balance as of beginning-of-year | $ 8,931 |  |
Income tax benefit (expense) | (233) | $ 76 | $ (33)
Balance as of end-of-period | 6,441 | 8,931 |
Unrealized Gain (Loss) on Derivative Instruments [Member] |  |  |
Change in our unrealized gain on derivative instruments in accumulated OCI |  |  |
Balance as of beginning-of-year | (402) | (11) | 139
Change in foreign currency exchange rate adjustment | 152 | (174) | (52)
Change in DAC, VOBA, DSI and DFEL | 8 | (17) | (4)
Income tax benefit (expense) | (87) | 94 | 31
Associated amortization of DAC, VOBA, DSI and DFEL | (1) | (1) | (1)
Income tax benefit (expense) | (5) | (10) | (9)
Balance as of end-of-period | (103) | (402) | (11)
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Contracts [Member] |  |  |
Change in our unrealized gain on derivative instruments in accumulated OCI |  |  |
Unrealized holding gains (losses) arising during the period | 116 | (350) | (201)
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Contracts [Member] | Net Investment Income [Member] |  |  |
Change in our unrealized gain on derivative instruments in accumulated OCI |  |  |
Reclassification adjustment for gains (losses) included in net income (loss) | 3 | 2 | 3
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Contracts [Member] | Interest and Debt Expense [Member] |  |  |
Change in our unrealized gain on derivative instruments in accumulated OCI |  |  |
Reclassification adjustment for gains (losses) included in net income (loss) | (23) | (16) | (5)
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Foreign currency contracts [Member] |  |  |
Change in our unrealized gain on derivative instruments in accumulated OCI |  |  |
Unrealized holding gains (losses) arising during the period | 130 | 93 | 108
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Foreign currency contracts [Member] | Net Investment Income [Member] |  |  |
Change in our unrealized gain on derivative instruments in accumulated OCI |  |  |
Reclassification adjustment for gains (losses) included in net income (loss) | 48 | 56 | 35
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Foreign currency contracts [Member] | Realized Gain (Loss) [Member] |  |  |
Change in our unrealized gain on derivative instruments in accumulated OCI |  |  |
Reclassification adjustment for gains (losses) included in net income (loss) | $ (2) | $ 6 | $ 9

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- Definition Change in deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads associated with unrealized holding gains (losses) on derivative instruments. + References No definition available. + Details
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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(4)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(a)(3)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 65 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 65 -Paragraph 2 -Subparagraph (g)(2)(ii) -URI http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e681-108580 + Details
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