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Deferred Policy Acquisition and Sales Inducement Costs -Deferred policy acquisition costs activity (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Deferred policy acquisition costs activity |  |  |
Balance, beginning of year | $ 4,699 | $ 4,784 | $ 4,191
Acquisition costs deferred | 5,758 | 5,622 | 5,663
Amortization charged to income | (5,630) | (5,533) | (5,222)
Effect of unrealized gains and losses | (127) | (174) | 152
Balance, end of year | $ 4,700 | $ 4,699 | $ 4,784

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- Definition Deferred Policy Acquisition Costs, Amortization Charged to Income + References No definition available. + Details
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- Definition Represents the impact of unrealized capital gains and losses on the carrying amount of (a) capitalized costs that vary with and are primarily related to the acquisition of new and renewal insurance contracts and coverages, and (b) capitalized present value of future profits (also known as value of business acquired). + References No definition available. + Details
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- Definition Amount of addition in deferred policy acquisition costs and present value of future profits from insurance contract acquired in business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section S99 -Paragraph 2 -Subparagraph (2) -URI http://asc.fasb.org/extlink&oid=27015749&loc=d3e569990-122904 + Details
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- Definition Amount, after accumulated amortization, of deferred policy acquisition costs and present value of future profits from insurance contract acquired in business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35755530&loc=d3e11264-158415 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.7) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section S99 -Paragraph 2 -Subparagraph (2) -URI http://asc.fasb.org/extlink&oid=27015749&loc=d3e569990-122904 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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