Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 162	$ (121)	$ (284)	$ (662)	$ 458	$ (783)	$ (646)
Effective income tax rate (percent)	33.00%	(10.00%)			18.00%	12.00%