CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Accounts receivable, allowance for expected credit losses	$ 119	$ 101
Prepaid expenses, allowance for expected credit losses, current	2	29
Other assets, allowance for expected credit losses, noncurrent	$ 25	$ 18
Common stock, par value (in dollars per share)	$ 0.008	$ 0.008
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	63,774,398	63,584,444
Treasury stock, shares (in shares)	24,685,111	22,518,391
Short-term Investments
Available-for-sale debt securities, amortized cost	$ 117	$ 25
Long-term Investments
Available-for-sale debt securities, amortized cost	$ 617