Income Taxes - Reconciliation of the beginning and ending amount of unrecognized tax benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of the Company's beginning and ending amount of unrecognized tax benefits
Balance at the beginning of the period	$ 347	$ 321
Additions based on tax positions related to the current year	35	33
Additions for tax positions of prior years	226	7
Reductions for tax positions of prior years	(1)	(4)
Settlements	(1)	0
Business combinations	0	0
Lapse of statute of limitations	(5)	(10)
Foreign currency translation	0	0
Balance at the end of the period	$ 601	$ 347