XML 59 R49.htm IDEA: XBRL DOCUMENT v3.23.1
SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Expected Credit Losses (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Allowance for expected credit losses $ 24 $ 20