Earnings Per Share Net Income for Earnings Per Share Calculations - Basic and Diluted (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Income (loss) from continuing operations after income taxes	$ 1,002	$ 1,018	$ 1,579	$ 1,631
Net income (loss) Attributable to Noncontrolling Interest, Continuing Operations	3	3	6	6
Net income (loss) from Continuing Operations Available to Common Shareholders	999	1,015	1,573	1,625
Income (loss) from discontinued operations after income taxes	(30)	(45)	(40)	(55)
Net income (loss) Available to Common Stockholders	$ 969	$ 970	$ 1,533	$ 1,570