Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Income (loss) from continuing operations	$ (1,274)	$ 252	$ 2,487
Income from discontinued operations, net of income taxes	5	13,356	3,180
Net income (loss)	$ (1,269)	$ 13,608	$ 5,667
Denominator:
Weighted average shares of common stock - basic (in shares)	558	652	710
Dilutive effect of equity incentive awards (in shares)	0	11	8
Weighted average shares of common stock - diluted (in shares)	558	663	718
Income (loss) per share - basic:
Continuing operations (in usd per share)	$ (2.28)	$ 0.39	$ 3.50
Discontinued operations (in usd per share)	0.01	20.48	4.48
Net income per share - basic (in usd per share)	(2.27)	20.87	7.98
Income (loss) per share - diluted:
Continuing operations (in usd per share)	(2.28)	0.38	3.46
Discontinued operations (in usd per share)	0.01	20.16	4.43
Net income per share - diluted (in usd per share)	$ (2.27)	$ 20.54	$ 7.89
Common stock equivalents excluded from income per diluted share because their effect would have been anti-dilutive (in shares)	13	1	5