Income Taxes - Components of Income Tax Benefit (Expense) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Income from continuing operations before income taxes	$ 4,986	$ 143	$ 8,069	$ 458
Current
Federal	(640)	(30)	(855)	0
State and Local	(50)	21	(84)	11
Foreign	(338)	(165)	(536)	(282)
Total current tax expense	(1,028)	(174)	(1,475)	(271)
Deferred
Federal	(231)	(62)	1,982	16
State and Local	5	79	78	83
Foreign	23	114	(23)	113
Total deferred tax benefit (expense)	(203)	131	2,037	212
Total income tax benefit (expense)	(1,231)	(43)	562	(59)
Income from continuing operations	$ 3,755	$ 100	$ 8,631	$ 399
Worldwide effective tax rate	25.00%	30.00%	(7.00%)	13.00%