Stockholders' Equity - Capital Return Program (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award
Remaining authorized repurchase amount	$ 28,230		$ 28,230
Shares repurchased and retired	$ 9,762	$ 6,315	$ 23,159	$ 20,950
Percent increase in cash dividends	5.00%
January 2017 Share Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award
Remaining authorized repurchase amount					$ 51,280
Class A
Share-based Compensation Arrangement by Share-based Payment Award
Shares repurchased and retired (in shares)			36
Shares repurchased and retired			$ 23,160