Earnings Per Share Net Income for Earnings Per Share Calculations - Basic and Diluted (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Income (loss) from continuing operations after income taxes	$ (322)	$ 36	$ 1,257	$ 1,667
Net income (loss) Attributable to Noncontrolling Interest, Continuing Operations	3	2	9	8
Net income (loss) from Continuing Operations Available to Common Shareholders	(325)	34	1,248	1,659
Income (loss) from discontinued operations after income taxes	(6)	(4)	(46)	(59)
Net income (loss) Available to Common Stockholders	$ (331)	$ 30	$ 1,202	$ 1,600