Consolidated Statement of Shareholder's Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
Beginning balance at Dec. 31, 2014	$ 2,389	$ 0	$ 161	$ (787)	$ 3,015
Net (loss) income	214				214
Other comprehensive income (loss)	(369)			(369)
Cash Dividends Paid	(115)				(115)
Ending balance at Dec. 31, 2015	2,119	0	161	(1,156)	3,114
Net (loss) income	197				197
Other comprehensive income (loss)	(107)			(107)
Cash Dividends Paid	0				0
Ending balance at Dec. 31, 2016	2,209	0	161	(1,263)	3,311
Net (loss) income	(603)				(603)
Other comprehensive income (loss)	265			265
Cash Dividends Paid	0				0
Ending balance at Dec. 31, 2017	$ 1,871	$ 0	$ 161	$ (998)	$ 2,708