Basis of Financial Statements - Income Tax (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Income tax expense	$ 44	$ 141	$ 223	$ 245
Income tax expense as percentage of earnings before income taxes, percent	14.00%	23.00%	20.00%	28.00%