Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Total	Member’s Equity	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2018	$ 42,649	$ 42,519	$ 130
Increase (Decrease) in Total Equity [Roll Forward]
Cash distributions	(4,425)	(4,425)	0
Comprehensive income (loss), net of tax	5,496	5,481	15
Balance at Dec. 31, 2019	43,720	43,575	145
Increase (Decrease) in Total Equity [Roll Forward]
Cash distributions	(4,830)	(4,830)	0
Comprehensive income (loss), net of tax	5,114	5,161	(47)
Balance at Dec. 31, 2020	44,004	43,906	98
Increase (Decrease) in Total Equity [Roll Forward]
Cash distributions	(3,800)	(3,800)	0
Comprehensive income (loss), net of tax	6,245	5,990	255
Balance at Dec. 31, 2021	$ 46,449	$ 46,096	$ 353