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Supplemental Cash Flow Information	9 Months Ended
Supplemental Cash Flow Information	Sep. 30, 2019
Supplemental Cash Flow Elements [Abstract]
Supplemental Cash Flow Information	Non-cash investing activities include $2.1 billion of investments transferred to a reinsurer as consideration paid during the second quarter of 2019 in connection with the Company's reinsurance of a $2.9 billion block of in force fixed and variable annuity business. See Note 6 for further information. Non-cash investing activities in respect to modifications or exchanges of fixed maturity securities as well as paid-in-kind activity for policy loans were insignificant for the nine months ended September 30, 2019 and 2018, respectively.