Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net income (loss) from continuing operations	$ 964	$ 560	$ 2,744	$ 3,502
Net income attributable to noncontrolling interests	(510)	(156)	(1,284)	(731)
Undistributed dividends and earnings allocated to participating securities	(5)	(5)	(5)	(6)
Net income attributable to common stockholders	$ 449	$ 399	$ 1,455	$ 2,765
Basic weighted-average shares of common stock outstanding	1,435	1,431	1,434	1,444
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units (RSUs)	8	8	9	11
Diluted weighted-average shares of common stock outstanding	1,443	1,439	1,443	1,455
Earnings per share, basic (in dollars per share)	$ 0.31	$ 0.28	$ 1.01	$ 1.91
Earnings per share, diluted (in dollars per share)	$ 0.31	$ 0.28	$ 1.01	$ 1.90
Dilutive Securities Excluded from Computation of EPS Amount	0	3	0	1