Schedule I Condensed Financial Statements (Parent Company Only) - Condensed Statements of Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed Financial Statements, Captions [Line Items]
Net income	$ 3,144	$ 6,189	$ 7,014
Other comprehensive (loss) income, net of tax	(806)	217	154
Comprehensive income	2,338	6,406	7,168
Comprehensive income attributable to noncontrolling interests	426	404	71
Comprehensive income (loss) attributable to parent	1,912	6,002	7,097
Parent Company
Condensed Financial Statements, Captions [Line Items]
Net income	2,721	5,790	6,944
Other comprehensive (loss) income, net of tax	(809)	212	154
Comprehensive income	1,912	6,002	7,098
Comprehensive income attributable to noncontrolling interests	0	0	1
Comprehensive income (loss) attributable to parent	$ 1,912	$ 6,002	$ 7,097