CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net Income	$ (793)	$ 210	$ 1,001	$ 355
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities	526	208	131	480
Total other comprehensive income (loss), net of tax	526	208	131	480
Total comprehensive income	$ (267)	$ 418	$ 1,132	$ 835