Statutory Information and Restrictions (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)
Statutory accounting practices [Line Items]
Current Period Increase In Reserves	$ 450
RBC Ratio Company Action Level Low End	75.00%
RBC Ratio Company Action Level High End	100.00%
Amount of dividends that could be paid in the next year without prior approval	$ 800
INDIANA
Statutory accounting practices [Line Items]
Statutory limitation as percentage of insurer contract holder surplus	10.00%
NEW YORK
Statutory accounting practices [Line Items]
Statutory limitation as percentage of insurer contract holder surplus	10.00%