Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Available-for-sale securities, at fair value:
Fixed maturity available-for-sale securities (amortized cost)	$ 90,928	$ 91,219
Stockholder’s Equity
Common stock - shares authorized (in shares)	10,000,000	10,000,000
Common stock - shares issued (in shares)	10,000,000	10,000,000
Common stock - shares outstanding (in shares)	10,000,000	10,000,000