CONSOLIDATED STATEMENTS OF SHAREHOLDER'S EQUITY - USD ($) $ in Millions	Total	Common stock	Additional capital paid-in	Retained income	Accumulated other comprehensive income
Balance, beginning of year at Dec. 31, 2014			$ 1,990	$ 2,973	$ 1,379
Increase (decrease) in equity
Net income	$ 561			561
Dividends				(103)
Reclassification of tax effects due to change in accounting principle				0	0
Gain (loss) on reinsurance with an affiliate			0	(12)
Loss on sale of subsidiaries to affiliate				(2)
Change in unrealized net capital gains and losses	(854)				(854)
Change in unrealized foreign currency translation adjustments	(4)				(4)
Balance, end of year at Dec. 31, 2015	5,933	$ 5	1,990	3,417	521
Increase (decrease) in equity
Net income	319			319
Dividends				0
Reclassification of tax effects due to change in accounting principle				0	0
Gain (loss) on reinsurance with an affiliate			0	0
Loss on sale of subsidiaries to affiliate				0
Change in unrealized net capital gains and losses	153				153
Change in unrealized foreign currency translation adjustments	4				4
Balance, end of year at Dec. 31, 2016	6,409	5	1,990	3,736	678
Increase (decrease) in equity
Net income	996			996
Dividends				(600)
Reclassification of tax effects due to change in accounting principle				(151)	151
Gain (loss) on reinsurance with an affiliate			34	0
Loss on sale of subsidiaries to affiliate				0
Change in unrealized net capital gains and losses	5				5
Change in unrealized foreign currency translation adjustments	11				11
Balance, end of year at Dec. 31, 2017	$ 6,855	$ 5	$ 2,024	$ 3,981	$ 845