Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Statement Of Financial Position [Abstract]
Accounts receivable, allowance	$ 0.9	$ 0.9
Common stock, par value	$ 0.00000625	$ 0.00000625
Common stock, shares authorized	2,020,500,000	2,020,500,000
Common stock, shares outstanding	1,137,300,000	1,130,500,000