Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Income tax provision (benefit)	$ 84	$ 57	$ 234	$ (775)
Valuation allowance, deferred tax asset, increase (decrease), amount		$ 985