Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Millions	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income, Net	Noncontrolling Interest
Beginning balance at Dec. 31, 2022	$ 50,639	$ 850	$ 0	$ 6,298	$ 41,833	$ (2,149)	$ 3,807
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,103				989		114
Other comprehensive income (loss)	40					40
Preferred stock dividend	(8)				(8)
Distributions	(125)						(125)
Contributions	2						2
Ending balance at Mar. 31, 2023	51,651	850	0	6,298	42,814	(2,109)	3,798
Beginning balance at Dec. 31, 2023	49,740	0	0	5,573	44,765	(1,904)	1,306
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	689				653		36
Other comprehensive income (loss)	(127)					(127)
Preferred stock dividend	0
Distributions	(40)						(40)
Other equity transactions	(3)				(1)		(2)
Ending balance at Mar. 31, 2024	$ 50,259	$ 0	$ 0	$ 5,573	$ 45,417	$ (2,031)	$ 1,300