CONSOLIDATED STATEMENTS OF STOCKHOLDER'S EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	COMMON STOCK	RETAINED EARNINGS
Balance at beginning of period at Dec. 31, 2022		$ 10,050	$ 3,517
Increase (Decrease) in Stockholder's Equity
Net income			454
Balance at end of period at Mar. 31, 2023	$ 14,021	10,050	3,971
Balance at beginning of period at Dec. 31, 2023	10,756	10,050	706
Increase (Decrease) in Stockholder's Equity
Net income			353
Balance at end of period at Mar. 31, 2024	$ 11,109	$ 10,050	$ 1,059