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, 2025	Dec. 31, 2024	Dec. 31, 2023
Unrecognized Tax Benefits [Roll Forward]
Gross unrecognized tax benefits, beginning of year	$ 1,384	$ 1,387	$ 1,191
Increases in tax positions for prior years	41	3	200
Decreases in tax positions for prior years	(12)	(20)	(4)
Increases in tax positions for current year	0	15	0
Lapse in statute of limitations	(1)	(1)	0
Gross unrecognized tax benefits, end of year	$ 1,412	$ 1,384	$ 1,387