Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Total	Member’s Equity	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2020	$ 44,004	$ 43,906	$ 98
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash distributions	(1,000)	(1,000)	0
Comprehensive income (loss), net of tax	1,252	1,251	1
Ending Balance at Mar. 31, 2021	44,256	44,157	99
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