XML 70 R55.htm IDEA: XBRL DOCUMENT v3.23.1
Fair Value Measurements (Narrative) (Details) - Not Designated as Hedging Instrument - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of net derivative asset position decrease $ 1  
Fair value of net derivative liability position decrease   $ 3