Income taxes

6 Months Ended

Jun. 30, 2024

Income Tax Disclosure [Abstract]

Income taxes

Income taxes

Provision for income taxes is based on the following:

	For Three Months Ended						For Six Months Ended
	June 30,						June 30,
	2024			2023			2024			2023
Taxes calculated using the estimated annual effective tax rate	$	170		$	289		$	346		$	565
Discrete tax items	(50)			(9)			(38)			(47)
Provision for income taxes	$	120		$	280		$	308		$	518
Effective tax rate	10		%	14		%	12		%	13		%

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