XML 39 R30.htm IDEA: XBRL DOCUMENT v3.22.1
Accounts Receivable (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]    
Accounts Receivable $ 546 $ 474
Less allowance for bad debts (49) (45)
Accounts receivable, net $ 497 $ 429