Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net income (loss) from continuing operations	$ 560	$ 1,723	$ 3,502	$ 4,007
Net income attributable to noncontrolling interests	(156)	(324)	(731)	(807)
Undistributed dividends and earnings allocated to participating securities	(5)	(4)	(6)	(6)
Net income attributable to common stockholders	$ 399	$ 1,395	$ 2,765	$ 3,194
Basic weighted-average shares of common stock outstanding	1,431	1,469	1,444	1,466
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units (RSUs)	8	15	11	15
Diluted weighted-average shares of common stock outstanding	1,439	1,484	1,455	1,481
Earnings per share, basic (in dollars per share)	$ 0.28	$ 0.95	$ 1.91	$ 2.18
Earnings per share, diluted (in dollars per share)	$ 0.28	$ 0.94	$ 1.90	$ 2.16
Dilutive Securities Excluded from Computation of EPS Amount	3	4	1	6