Income taxes

9 Months Ended

Sep. 30, 2024

Income Tax Disclosure [Abstract]

Income taxes

Income taxes

Provision for income taxes is based on the following:

	For Three Months Ended						For Nine Months Ended
	September 30,						September 30,
	2024			2023			2024			2023
Taxes calculated using the estimated annual effective tax rate	$	227		$	229		$	573		$	794
Discrete tax items	(35)			(16)			(73)			(63)
Provision for income taxes	$	192		$	213		$	500		$	731
Effective tax rate	12		%	11		%	12		%	12		%

The effective tax rate differs from the 21% U.S. statutory corporate tax rate due to the effect of U.S. tax benefits.