Net Income (Loss) Per Share - Schedule of basic and diluted net income per share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Income (loss) from continuing operations	$ 569	$ (1,339)
Income (loss) from discontinued operations, net of income taxes	(2)	(2)
Net income (loss)	$ 567	$ (1,341)
Denominator:
Weighted average shares of common stock - basic (in shares)	537	587
Dilutive effect of equity incentive awards (in shares)	4	0
Weighted average shares of common stock - diluted (in shares)	541	587
Income (loss) per share - basic:
Continuing operations (in usd per share)	$ 1.06	$ (2.28)
Discontinued operations (in usd per share)	0	0
Net income (loss) per share - basic (in usd per share)	1.06	(2.28)
Income (loss) per share - diluted:
Continuing operations (in usd per share)	1.05	(2.28)
Discontinued operations (in usd per share)	0	0
Net income (loss) per share - diluted (in usd per share)	$ 1.05	$ (2.28)
Common stock equivalents excluded from income (loss) per diluted share because their effect would have been anti-dilutive (in shares)	12	7