Income Taxes - Schedule of reconciliation of the beginning and ending balances of the total amounts of gross unrecognized tax benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Gross unrecognized tax benefits, beginning of year	$ 1,157	$ 2,343	$ 4,762
Increases in tax positions for prior years	29	22	45
Decreases in tax positions for prior years	(33)	(1,233)	(131)
Increases in tax positions for current year	59	37	13
Lapse in statute of limitations	(21)	0	0
Settlements	0	(12)	(2,346)
Gross unrecognized tax benefits, end of year	$ 1,191	$ 1,157	$ 2,343