Taxes - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Effective income tax rate	23.10%	23.10%	23.40%
Undistributed earnings of foreign subsidiaries	$ 2,500
Net tax loss and credit carry forwards (tax effected)	1,940	$ 2,224
Net tax loss and credit carry forwards (tax effected), portion that will expire	1,200
Operating loss carry forwards amount	732
Decrease in valuation allowance	227
Valuation allowance	1,347	1,574
Unrecognized tax benefits, that if recognized, would favorably affect the effective income tax rate	$ 2,500	$ 2,800	$ 2,500