Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Accounts receivable, net of allowances	$ 13	$ 12
Preferred stock authorized (in shares)	1,000,000,000	1,000,000,000
Preferred stock issued (in shares)	0	0
Common stock authorized (in shares)	5,000,000,000	5,000,000,000
Common stock issued (in shares)	474,237,738	473,119,786
Common stock outstanding (in shares)	474,237,738	473,119,786