CONSOLIDATED STATEMENTS OF STOCKHOLDER'S EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	COMMON STOCK	RETAINED EARNINGS
Balance at beginning of period at Dec. 31, 2021		$ 10,050	$ 1,585
Increase (Decrease) in Stockholder's Equity
Net income			528
Balance at end of period at Mar. 31, 2022	$ 12,163	10,050	2,113
Balance at beginning of period at Dec. 31, 2022	13,554	10,050	3,504
Increase (Decrease) in Stockholder's Equity
Net income			454
Balance at end of period at Mar. 31, 2023	$ 14,008	$ 10,050	$ 3,958