CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net Income	$ 1,794	$ 145
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities	(395)	272
Total other comprehensive income (loss), net of tax	(395)	272
Total comprehensive income	$ 1,399	$ 417