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Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities (Separate Account Liabilities) (Details 2) - USD ($) $ in Millions | Mar. 31, 2019 | Dec. 31, 2018
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Separate Accounts Disclosure [Abstract] |  |
Variable annuity | $ 71,748 | $ 66,913
VUL insurance | 7,034 | 6,451
Other insurance | 30 | 29
Threadneedle investment liabilities | 4,759 | 4,532
Total | $ 83,571 | $ 77,925

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- Definition The equivalent summary total of separate account assets representing contract holder funds related to investment funds managed by the entity. + References No definition available. + Details
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- Definition The equivalent summary total of separate account assets representing contract holder funds related to other insurance policies, not otherwise described in the taxonomy. + References No definition available. + Details
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- Definition The equivalent summary total of separate account assets representing contract holder funds related to variable universal life insurance policies. + References No definition available. + Details
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- Definition Amount of liability for variable contracts that meet specified criteria that are backed by assets held in separate accounts and carried at the fair value of those assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -URI http://asc.fasb.org/topic&trid=2303980 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 80 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6484115&loc=d3e19393-158473 Reference 3: 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(a)(18)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 80 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6484091&loc=d3e19268-158472 + Details
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