CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDER'S EQUITY (unaudited) - 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				$ 314	$ (238)
Balance, beginning of period at Dec. 31, 2017				3,981	845
Increase (decrease) in equity
Net income	$ 90			90
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
Increase (decrease) in equity
Cumulative effect of change in accounting principle				0	0
Balance, beginning of period at Dec. 31, 2018	6,692			4,410	253
Increase (decrease) in equity
Net income	164			164
Change in unrealized net capital gains and losses	346				346
Change in unrealized foreign currency translation adjustments	(3)				(3)
Balance, end of period at Mar. 31, 2019	$ 7,199	$ 5	$ 2,024	$ 4,574	$ 596