CONSOLIDATED BALANCE SHEETS (Parenthetical) - shares shares in Millions	Dec. 31, 2024	Dec. 31, 2023
Common Class A
Common stock, shares authorized (in shares)	10,000	10,000
Common stock, shares outstanding (in shares)	1,643	1,616
Common Class B
Common stock, shares authorized (in shares)	250	250
Common stock, shares outstanding (in shares)	158	175