Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income (loss) from continuing operations	$ 731	$ 1,038	$ 1,780	$ 2,942
Net income attributable to noncontrolling interests	(388)	(198)	(774)	(575)
Undistributed dividends and earnings allocated to participating securities	(5)	(4)	(5)	(5)
Net income attributable to common stockholders	$ 338	$ 836	$ 1,001	$ 2,362
Basic weighted-average shares of common stock outstanding	1,434	1,447	1,434	1,451
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units (RSUs)	8	10	9	12
Diluted weighted-average shares of common stock outstanding	1,442	1,457	1,443	1,463
Earnings per share, basic (in dollars per share)	$ 0.24	$ 0.58	$ 0.70	$ 1.63
Earnings per share, diluted (in dollars per share)	$ 0.23	$ 0.57	$ 0.69	$ 1.61
Dilutive Securities Excluded from Computation of EPS Amount	0	0	0	1