Transactions with Affiliates Level 1 (Notes)	6 Months Ended
Jun. 30, 2018
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	Transactions (Predecessor Company) Transactions of the Company with Hartford Fire Insurance Company ("Hartford Fire"), Hartford Holdings Inc. ("HHI") and its affiliates related principally to tax settlements, reinsurance, insurance coverage, rental and service fees, payment of dividends and capital contributions, and employee costs. In addition, the Company had issued structured settlement contracts to fund claims settlements of property casualty insurance companies and self-insured entities. In many cases, the structured settlement contracts were to fund claim settlements of the Company's affiliated property and casualty companies whereby these property and casualty companies transferred funds to another affiliate of the Company to purchase the contracts. Reserves for annuities issued by the Company to The Hartford's property and casualty subsidiaries to fund structured settlement payments where the claimant has not released The Hartford's property and casualty subsidiaries of their primary obligation totaled $682 (Predecessor Company) as of December 31, 2017. Prior to the sale of the Company, substantially all general insurance expenses related to the Company were initially paid by The Hartford. Expenses were allocated to the Company using specific identification if available, or other applicable methods, that would include a blend of revenue, expense and capital. In 1990, Hartford Fire guaranteed the obligations of the Company with respect to life, accident and health insurance and annuity contracts issued after January 1, 1990. The guarantee was issued to provide an increased level of security to potential purchasers of the Company’s products. Although the guarantee was terminated in 1997, it still covers policies that were issued from 1990 to 1997. As of December 31, 2017, no recoverables have been recorded for this guarantee as the Company was able to meet these policyholder obligations. Reinsurance Ceded to Affiliates (Predecessor Company) The Company maintains a reinsurance agreement with HLA, whereby the Company cedes both group life and group accident and health risk business. Under this treaty, the Company ceded group life premium of $3 for the period of April 1, 2018 to May 31, 2018 (Predecessor Company), $9 for the three months ended June 30, 2017 (Predecessor Company), $9 for the period of January 1, 2018 to May 31, 2018 (Predecessor Company), and $15 for the six months ended June 30, 2017 (Predecessor Company). The Company ceded accident and health premiums to HLA of $9 for the period of April 1, 2018 to May 31, 2018 (Predecessor Company), $18 for the three months ended June 30, 2017 (Predecessor Company), $25 for the period of January 1, 2018 to May 31, 2018 (Predecessor Company), and $36 for the six months ended June 30, 2017 (Predecessor Company).

Transactions (Predecessor Company)

Transactions of the Company with Hartford Fire Insurance Company ("Hartford Fire"), Hartford Holdings Inc. ("HHI") and its affiliates related principally to tax settlements, reinsurance, insurance coverage, rental and service fees, payment of dividends and capital contributions, and employee costs. In addition, the Company had issued structured settlement contracts to fund claims settlements of property casualty insurance companies and self-insured entities. In many cases, the structured settlement contracts were to fund claim settlements of the Company's affiliated property and casualty companies whereby these property and casualty companies transferred funds to another affiliate of the Company to purchase the contracts. Reserves for annuities issued by the Company to The Hartford's property and casualty subsidiaries to fund structured settlement payments where the claimant has not released The Hartford's property and casualty subsidiaries of their primary obligation totaled $682 (Predecessor Company) as of December 31, 2017.

Prior to the sale of the Company, substantially all general insurance expenses related to the Company were initially paid by The Hartford. Expenses were allocated to the Company using specific identification if available, or other applicable methods, that would include a blend of revenue, expense and capital.

In 1990, Hartford Fire guaranteed the obligations of the Company with respect to life, accident and health insurance and annuity contracts issued after January 1, 1990. The guarantee was issued to provide an increased level of security to potential purchasers of the Company’s products. Although the guarantee was terminated in 1997, it still covers policies that were issued from 1990 to 1997. As of December 31, 2017, no recoverables have been recorded for this guarantee as the Company was able to meet these policyholder obligations.

Reinsurance Ceded to Affiliates (Predecessor Company)

The Company maintains a reinsurance agreement with HLA, whereby the Company cedes both group life and group accident and health risk business. Under this treaty, the Company ceded group life premium of $3 for the period of April 1, 2018 to May 31, 2018 (Predecessor Company), $9 for the three months ended June 30, 2017 (Predecessor Company), $9 for the period of January 1, 2018 to May 31, 2018 (Predecessor Company), and $15 for the six months ended June 30, 2017 (Predecessor Company). The Company ceded accident and health premiums to HLA of $9 for the period of April 1, 2018 to May 31, 2018 (Predecessor Company), $18 for the three months ended June 30, 2017 (Predecessor Company), $25 for the period of January 1, 2018 to May 31, 2018 (Predecessor Company), and $36 for the six months ended June 30, 2017 (Predecessor Company).