CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDER'S EQUITY - USD ($) $ in Millions	Total	Common stock	Additional capital paid-in	Retained income	Accumulated other comprehensive income
Increase (decrease) in equity
Cumulative effect of change in accounting principle				$ 0	$ 0
Balance, beginning of period at Dec. 31, 2016			$ 1,990	3,736	678
Increase (decrease) in equity
Gain on reinsurance with an affiliate			34
Net income	$ 86			86
Dividends				(300)
Change in unrealized net capital gains and losses	65				65
Change in unrealized foreign currency translation adjustments	(3)				(3)
Balance, end of period at Mar. 31, 2017	6,291	$ 5	2,024	3,522	740
Increase (decrease) in equity
Cumulative effect of change in accounting principle				314	(238)
Balance, beginning of period at Dec. 31, 2017	6,855		2,024	3,981	845
Increase (decrease) in equity
Gain on reinsurance with an affiliate			0
Net income	90			90
Dividends				0
Change in unrealized net capital gains and losses	(175)				(175)
Change in unrealized foreign currency translation adjustments	4				4
Balance, end of period at Mar. 31, 2018	$ 6,850	$ 5	$ 2,024	$ 4,385	$ 436