Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Total	Member’s Equity	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2021	$ 46,449	$ 46,096	$ 353
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash distributions	(1,000)	(1,000)	0
Comprehensive income (loss), net of tax	1,376	1,371	5
Ending Balance at Mar. 31, 2022	46,825	46,467	358
Beginning Balance at Dec. 31, 2021	46,449	46,096	353
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash distributions	(3,600)
Comprehensive income (loss), net of tax	4,491
Ending Balance at Sep. 30, 2022	47,340	46,973	367
Beginning Balance at Mar. 31, 2022	46,825	46,467	358
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash distributions	(1,100)	(1,100)	0
Comprehensive income (loss), net of tax	1,667	1,664	3
Ending Balance at Jun. 30, 2022	47,392	47,031	361
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash distributions	(1,500)	(1,500)	0
Comprehensive income (loss), net of tax	1,448	1,442	6
Ending Balance at Sep. 30, 2022	47,340	46,973	367
Beginning Balance at Dec. 31, 2022	47,236	47,042	194
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss), net of tax	1,240	1,247	(7)
Ending Balance at Mar. 31, 2023	48,476	48,289	187
Beginning Balance at Dec. 31, 2022	47,236	47,042	194
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash distributions	(1,100)
Comprehensive income (loss), net of tax	3,711
Ending Balance at Sep. 30, 2023	49,847	49,674	173
Beginning Balance at Mar. 31, 2023	48,476	48,289	187
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash distributions	(1,100)	(1,100)	0
Comprehensive income (loss), net of tax	1,257	1,264	(7)
Ending Balance at Jun. 30, 2023	48,633	48,453	180
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss), net of tax	1,214	1,221	(7)
Ending Balance at Sep. 30, 2023	$ 49,847	$ 49,674	$ 173