10-K Income Taxes (Change In The Carrying Amount Of Gross Unrecognized Tax Benefits From Uncertain Tax Positions) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Change in carrying amount of gross unrecognized tax benefits from uncertain tax positions
Unrecognized Tax Benefits	$ 271	$ 249
Additions for tax positions related to current year	22	10
Additions for tax positions related to prior years	57	17
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	(1)	(5)
Unrecognized Tax Benefits	$ 349	$ 271